├── CONTRIBUTORS ├── FindCrypt.java ├── LICENSE ├── Licenses └── Crypto++.txt ├── Misc ├── demo.gif ├── resDemo.png └── updDemo.png ├── README.md ├── Utils └── FCExporter │ ├── .gitignore │ ├── FCExporter.sln │ ├── FCExporter │ ├── FCExporter.vcxproj │ ├── FCExporter.vcxproj.filters │ ├── Main.cpp │ ├── compression.cpp │ ├── compression.h │ ├── consts.cpp │ └── consts.h │ └── README.txt ├── _config.yml └── findcrypt_ghidra ├── database.d3v ├── last_chlog.txt ├── last_update.txt └── script_update.txt /CONTRIBUTORS: -------------------------------------------------------------------------------- 1 | Luca Massimiliano Francioni 2 | Pawlos 3 | Learath2 4 | -------------------------------------------------------------------------------- /FindCrypt.java: -------------------------------------------------------------------------------- 1 | /* 2 | GNU GENERAL PUBLIC LICENSE 3 | Version 3, 29 June 2007 4 | 5 | Copyright (C) 2007 Free Software Foundation, Inc. 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The GNU General Public License is a free, copyleft license for 12 | software and other kinds of works. 13 | 14 | The licenses for most software and other practical works are designed 15 | to take away your freedom to share and change the works. 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It is safest 631 | to attach them to the start of each source file to most effectively 632 | state the exclusion of warranty; and each file should have at least 633 | the "copyright" line and a pointer to where the full notice is found. 634 | 635 | 636 | Copyright (C) 637 | 638 | This program is free software: you can redistribute it and/or modify 639 | it under the terms of the GNU General Public License as published by 640 | the Free Software Foundation, either version 3 of the License, or 641 | (at your option) any later version. 642 | 643 | This program is distributed in the hope that it will be useful, 644 | but WITHOUT ANY WARRANTY; without even the implied warranty of 645 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 646 | GNU General Public License for more details. 647 | 648 | You should have received a copy of the GNU General Public License 649 | along with this program. If not, see . 650 | 651 | Also add information on how to contact you by electronic and paper mail. 652 | 653 | If the program does terminal interaction, make it output a short 654 | notice like this when it starts in an interactive mode: 655 | 656 | Copyright (C) 657 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 658 | This is free software, and you are welcome to redistribute it 659 | under certain conditions; type `show c' for details. 660 | 661 | The hypothetical commands `show w' and `show c' should show the appropriate 662 | parts of the General Public License. Of course, your program's commands 663 | might be different; for a GUI interface, you would use an "about box". 664 | 665 | You should also get your employer (if you work as a programmer) or school, 666 | if any, to sign a "copyright disclaimer" for the program, if necessary. 667 | For more information on this, and how to apply and follow the GNU GPL, see 668 | . 669 | 670 | The GNU General Public License does not permit incorporating your program 671 | into proprietary programs. If your program is a subroutine library, you 672 | may consider it more useful to permit linking proprietary applications with 673 | the library. If this is what you want to do, use the GNU Lesser General 674 | Public License instead of this License. But first, please read 675 | . 676 | */ 677 | // Quickly find references to cryptographic functions and constants. 678 | // This is a port of IDA Pro's FindCrypt plugin, with an updated and customizable signature database. 679 | //@category Analysis 680 | 681 | import java.io.BufferedInputStream; 682 | import java.io.ByteArrayInputStream; 683 | import java.io.ByteArrayOutputStream; 684 | import java.io.DataInputStream; 685 | import java.io.File; 686 | import java.io.FileInputStream; 687 | import java.io.FileOutputStream; 688 | import java.io.FileWriter; 689 | import java.io.InputStream; 690 | import java.net.URL; 691 | import java.net.URLConnection; 692 | import java.nio.channels.Channels; 693 | import java.nio.channels.ReadableByteChannel; 694 | import java.nio.file.Files; 695 | import java.nio.file.Paths; 696 | import java.util.ArrayList; 697 | import java.util.Arrays; 698 | import java.util.zip.GZIPInputStream; 699 | 700 | import docking.widgets.dialogs.MultiLineMessageDialog; 701 | import ghidra.app.script.GhidraScript; 702 | import ghidra.app.services.ConsoleService; 703 | import ghidra.app.tablechooser.*; 704 | import ghidra.app.util.datatype.DataTypeSelectionDialog; 705 | import ghidra.framework.plugintool.PluginTool; 706 | import ghidra.program.model.address.*; 707 | import ghidra.program.model.data.ArrayDataType; 708 | import ghidra.program.model.data.DataType; 709 | import ghidra.program.model.data.Undefined; 710 | import ghidra.program.model.data.Undefined4DataType; 711 | import ghidra.program.model.listing.Data; 712 | import ghidra.program.model.listing.DataIterator; 713 | import ghidra.program.model.listing.Function; 714 | import ghidra.util.Msg; 715 | import ghidra.util.data.DataTypeParser.AllowedDataTypes; 716 | import ghidra.util.task.CancelOnlyWrappingTaskMonitor; 717 | 718 | public class FindCrypt extends GhidraScript { 719 | private static final int CRYPT_COUNTER = 20; 720 | private static final double DETECT_THRESHOLD = 0.8; 721 | private static final int SKIP_SMALLER_SUB_CONSTANTS = 4; 722 | 723 | public static class InternalParams { 724 | // Disable automatic database update. 725 | public static final boolean __FORCE_NO_DBUPDATE = false; 726 | // Disable automatic script version check. 727 | public static final boolean __FORCE_NO_SCRIPTUPDATE = false; 728 | 729 | // Current script version, used for enforcing; modifications not recommended unless you know what you're doing. 730 | public static final String __SCRIPT_VERSION = "7"; 731 | } 732 | 733 | public static class GuiHandler { 734 | public static void ShowMessage(String _title, String _message, String _details, int _icon) { 735 | MultiLineMessageDialog.showMessageDialog(null, _title, _message, _details, _icon); 736 | } 737 | } 738 | 739 | public static class UpdateManager { 740 | private String _BASE = ""; 741 | private String _LOCAL = ""; 742 | 743 | public String GetChangelog() { 744 | URL url; 745 | try { 746 | url = new URL(this._BASE + "/last_chlog.txt"); 747 | URLConnection urlConnection = url.openConnection(); 748 | InputStream in = new BufferedInputStream(urlConnection.getInputStream()); 749 | 750 | var _lastchLog = new String(in.readAllBytes(), "UTF-8"); 751 | 752 | return _lastchLog; 753 | } catch (Exception e) { 754 | return "Error recovering last changelog:\n" + e.getMessage(); 755 | } 756 | } 757 | 758 | public boolean CheckScriptVersion() { 759 | URL url; 760 | try { 761 | url = new URL(this._BASE + "/script_update.txt"); 762 | URLConnection urlConnection = url.openConnection(); 763 | InputStream in = new BufferedInputStream(urlConnection.getInputStream()); 764 | 765 | var _last = Integer.parseInt(new String(in.readAllBytes(), "UTF-8")); 766 | var _local = Integer.parseInt(InternalParams.__SCRIPT_VERSION); 767 | 768 | if (_last > _local) { 769 | MultiLineMessageDialog.showMessageDialog(null, "FindCrypt Ghidra", 770 | "A new version of FindCrypt-Ghidra is available:", this.GetChangelog() + "\n\n\thttps://github.com/d3v1l401/FindCrypt-Ghidra", 1); 771 | } 772 | 773 | return true; 774 | } catch (Exception e) { 775 | // Don't bother, internet may not be available. 776 | } 777 | return false; 778 | } 779 | 780 | public boolean CheckDatabaseVersion() { 781 | URL url; 782 | try { 783 | url = new URL(this._BASE + "/last_update.txt"); 784 | URLConnection urlConnection = url.openConnection(); 785 | InputStream in = new BufferedInputStream(urlConnection.getInputStream()); 786 | 787 | var _last = Integer.parseInt(new String(in.readAllBytes(), "UTF-8")); 788 | var _local = Integer.parseInt(Files.readString(Paths.get(this._LOCAL + "last_update.txt"))); 789 | 790 | if (_last > _local) { 791 | System.out.println("A new version of the database is being downloaded (" + _local + " -> " + _last + ")."); 792 | 793 | url = new URL(this._BASE + "/database.d3v"); 794 | ReadableByteChannel readableByteChannel = Channels.newChannel(url.openStream()); 795 | 796 | new File(this._LOCAL + "database.d3v").delete(); 797 | FileOutputStream fileOutputStream = new FileOutputStream(this._LOCAL + "database.d3v"); 798 | fileOutputStream.getChannel().transferFrom(readableByteChannel, 0, Long.MAX_VALUE); 799 | fileOutputStream.close(); 800 | 801 | new File(this._LOCAL + "last_update.txt").delete(); 802 | var _handle = new FileWriter(this._LOCAL + "last_update.txt"); 803 | _handle.write(String.valueOf(_last)); 804 | _handle.close(); 805 | } 806 | 807 | return true; 808 | } catch (Exception e) { 809 | // Don't bother, internet may not be available. 810 | } 811 | return false; 812 | } 813 | 814 | public UpdateManager(String _baseUrl, String _basePath) { 815 | this._BASE = _baseUrl; 816 | this._LOCAL = _basePath; 817 | } 818 | } 819 | 820 | public static class DatabaseManager { 821 | // Structure of database file, for reference. 822 | /******************************************************************* 823 | | MAGIC (4) | Total Entries (2) | 824 | | NameSize (4) | Name (x) | isCompressed(1) | ESize(4) | BSize(4) | 825 | | Buffer (x) | ... | 826 | ******************************************************************/ 827 | 828 | // Structure of the database entry. 829 | public class EntryInfo { 830 | private byte[] _buffer; 831 | private String _name; 832 | private int _elementSize; 833 | 834 | public EntryInfo(byte[] _buff, int _elementSize, String _name) { 835 | this._buffer = _buff; 836 | this._elementSize = _elementSize; 837 | this._name = _name; 838 | } 839 | } 840 | 841 | private boolean _loaded = false; 842 | private static final int _EXPECTED_MAGIC = 0xD3010401; 843 | private short _totalEntries = 0; 844 | 845 | private ArrayList _consts = new ArrayList<>(); 846 | 847 | public int DbSize() { 848 | return this._totalEntries; 849 | } 850 | 851 | public DatabaseManager(String _path) { 852 | if (!this._loaded) { 853 | try (DataInputStream _stream = new DataInputStream(new FileInputStream(_path))) { 854 | var _curMagic = _stream.readInt(); 855 | 856 | if (_curMagic != _EXPECTED_MAGIC) 857 | throw new Exception("Specified database file has a different magic from the expected one."); 858 | 859 | this._totalEntries = _stream.readShort(); 860 | if (this._totalEntries == 0) { 861 | GuiHandler.ShowMessage("FindCrypt - Warning", "Something unusual happened while loading the database.", 862 | "The database contains no entries, while this is not error, the script will not scan anything", 2); 863 | return; // No need to proceed at all. 864 | } 865 | 866 | for (var i = 0; i < this._totalEntries; i++) { 867 | var _nameSize = _stream.readInt(); 868 | if (_nameSize == 0) 869 | throw new Exception("An entry has 0 length name."); 870 | var _name = new byte[_nameSize]; 871 | _stream.read(_name); 872 | 873 | var _isCompressed = _stream.readByte(); 874 | var _elementSize = _stream.readInt(); 875 | var _buffSize = _stream.readInt(); 876 | if (_buffSize == 0) 877 | throw new Exception("An entry has no buffer (" + _name + ")"); 878 | var _buff = new byte[_buffSize]; 879 | _stream.read(_buff); 880 | 881 | if (_isCompressed == 0x01) { 882 | // https://stackoverflow.com/questions/12531579/uncompress-a-gzip-string-in-java 883 | ByteArrayInputStream bytein = new ByteArrayInputStream(_buff); 884 | GZIPInputStream gzin = new GZIPInputStream(bytein); 885 | ByteArrayOutputStream byteout = new ByteArrayOutputStream(); 886 | 887 | int res = 0; 888 | byte buf[] = new byte[1024]; 889 | while (res >= 0) { 890 | res = gzin.read(buf, 0, buf.length); 891 | if (res > 0) { 892 | byteout.write(buf, 0, res); 893 | } 894 | } 895 | byte uncompressed[] = byteout.toByteArray(); 896 | 897 | this._consts.add(new EntryInfo(uncompressed, _elementSize, new String(_name, "UTF-8"))); 898 | } else 899 | this._consts.add(new EntryInfo(_buff, _elementSize, new String(_name, "UTF-8"))); 900 | } 901 | 902 | _stream.close(); 903 | this._loaded = true; 904 | 905 | } catch (Exception e) { 906 | GuiHandler.ShowMessage("FindCrypt - Error" , "An error happened while loading the database.", e.getMessage(), 0); 907 | } 908 | } 909 | } 910 | } 911 | 912 | public static class WorksetManager { 913 | private static final String __FCUPD_BASEURL = "https://raw.githubusercontent.com/d3v1l401/FindCrypt-Ghidra/master/findcrypt_ghidra"; 914 | 915 | private static final String __FCDATA_DIR = System.getProperty("user.home") + File.separator + "findcrypt_ghidra" + File.separator; 916 | 917 | private static DatabaseManager _dbHandler; 918 | private static UpdateManager _updHandler; 919 | 920 | public static boolean Initialize() { 921 | _dbHandler = new DatabaseManager(__FCDATA_DIR + "database.d3v"); 922 | _updHandler = new UpdateManager(__FCUPD_BASEURL, __FCDATA_DIR); 923 | 924 | if (_dbHandler != null && _updHandler != null) { 925 | _updHandler.CheckDatabaseVersion(); 926 | _updHandler.CheckScriptVersion(); 927 | return true; 928 | } 929 | 930 | return false; 931 | } 932 | 933 | public static int GetDatabaseSize() { 934 | return _dbHandler.DbSize(); 935 | } 936 | 937 | public static ArrayList GetDB() { 938 | return _dbHandler._consts; 939 | } 940 | } 941 | 942 | public class FoundCryptoEntry { 943 | private DatabaseManager.EntryInfo _dbentry; 944 | private AddressSet _addresses; 945 | private Function _function; 946 | private double _detectionRate; 947 | 948 | public FoundCryptoEntry(DatabaseManager.EntryInfo _dbentry, AddressSet _addresses, Double _detectionRate) { 949 | this._dbentry = _dbentry; 950 | this._addresses = _addresses; 951 | this._function = getFunctionContaining(_addresses.getMinAddress()); 952 | this._detectionRate = _detectionRate; 953 | } 954 | 955 | public String toString() { 956 | if (_function != null) 957 | return String.format("%s (%s) -> %s\n", _function.getName(), _dbentry._name, _addresses.getMinAddress().toString()); 958 | 959 | return String.format("%s -> %s\n", _dbentry._name, _addresses.getMinAddress().toString()); 960 | } 961 | 962 | public Boolean isFullMatch() { 963 | return _detectionRate == 1.0; 964 | } 965 | } 966 | 967 | public class FoundCryptoEntries extends ArrayList { 968 | } 969 | 970 | private TableChooserExecutor createTableExecutor() { 971 | TableChooserExecutor executor = new TableChooserExecutor() { 972 | 973 | @Override 974 | public String getButtonName() { 975 | return "Create Data"; 976 | } 977 | 978 | @Override 979 | public boolean execute(AddressableRowObject rowObject) { 980 | ResultRow row = (ResultRow)rowObject; 981 | 982 | boolean commit = true; 983 | var transaction = currentProgram.startTransaction(getScriptName() + ": Create data"); 984 | if(row.entry.isFullMatch()) { 985 | try { 986 | createDataInRange(row.entry._addresses.getFirstRange(), row.entry._dbentry); 987 | } 988 | catch (Exception e) { 989 | println("Creating Data Failed: " + e.getClass().getSimpleName() + ": " + e.getMessage()); 990 | ConsoleService console = state.getTool().getService(ConsoleService.class); 991 | e.printStackTrace(console.getStdOut()); 992 | commit = false; 993 | } 994 | } 995 | currentProgram.endTransaction(transaction, commit); 996 | return true; 997 | } 998 | 999 | private Data createDataInRange(AddressRange range, DatabaseManager.EntryInfo alg) throws Exception { 1000 | ArrayList dataToDestroy = new ArrayList<>(); 1001 | Data data = getDataContaining(range.getMinAddress()); 1002 | if(data != null && data.isDefined() && !Undefined.class.isAssignableFrom(data.getDataType().getClass())) 1003 | throw new Exception("New data overlaps with defined data"); 1004 | else if(data != null && data.getMinAddress() != range.getMinAddress()) 1005 | dataToDestroy.add(data); 1006 | 1007 | DataIterator di = currentProgram.getListing().getData(new AddressSet(range), true); 1008 | while(di.hasNext()) { 1009 | data = di.next(); 1010 | if(data.isDefined() && !Undefined.class.isAssignableFrom(data.getDataType().getClass())) 1011 | throw new Exception("New data overlaps with defined data"); 1012 | 1013 | dataToDestroy.add(data); 1014 | } 1015 | 1016 | for (Data d : dataToDestroy) 1017 | removeData(d); 1018 | 1019 | PluginTool tool = state.getTool(); 1020 | DataType suggesteDataType = Undefined4DataType.dataType; 1021 | var dialog = new DataTypeSelectionDialog(tool, currentProgram.getDataTypeManager(), 1022 | alg._elementSize, AllowedDataTypes.FIXED_LENGTH); 1023 | 1024 | dialog.setInitialDataType(suggesteDataType); 1025 | dialog.setTitle("Choose datatype for elements of: " + alg._elementSize); 1026 | tool.showDialog(dialog); 1027 | 1028 | DataType chosenType = dialog.getUserChosenDataType(); 1029 | if (chosenType.getLength() % alg._elementSize != 0) 1030 | throw new Exception("Selected datatype doesn't have suitable length"); 1031 | 1032 | ArrayDataType adt = new ArrayDataType(chosenType, (int) (range.getLength() / chosenType.getLength()), chosenType.getLength()); 1033 | return createData(range.getMinAddress(), adt); 1034 | } 1035 | }; 1036 | 1037 | return executor; 1038 | } 1039 | 1040 | private class ResultRow implements AddressableRowObject { 1041 | private FoundCryptoEntry entry; 1042 | 1043 | public ResultRow(FoundCryptoEntry entry) { 1044 | this.entry = entry; 1045 | } 1046 | 1047 | @Override 1048 | public Address getAddress() { 1049 | return entry._addresses.getMinAddress(); 1050 | } 1051 | } 1052 | 1053 | private void configureTableColumns(TableChooserDialog dialog) { 1054 | dialog.addCustomColumn(new StringColumnDisplay() { 1055 | @Override 1056 | public String getColumnValue(AddressableRowObject rowObject) { 1057 | return ((ResultRow)rowObject).entry._dbentry._name; 1058 | } 1059 | 1060 | @Override 1061 | public String getColumnName() { 1062 | return "Name"; 1063 | } 1064 | }); 1065 | 1066 | dialog.addCustomColumn(new AbstractComparableColumnDisplay() { 1067 | @Override 1068 | public Double getColumnValue(AddressableRowObject rowObject) { 1069 | return ((ResultRow)rowObject).entry._detectionRate; 1070 | } 1071 | 1072 | @Override 1073 | public String getColumnName() { 1074 | return "Detection Rate"; 1075 | } 1076 | }); 1077 | } 1078 | 1079 | @Override 1080 | protected void run() throws Exception { 1081 | println("FindCrypt - Ghidra Edition by d3vil401 (https://d3vsite.org)\n" + 1082 | "Special thanks to Pawlos for fragmented constant scans\n" + 1083 | "Original idea by Ilfak Guilfanov (http://hexblog.com)" + 1084 | "\n"); 1085 | 1086 | Boolean headless = isRunningHeadless(); 1087 | 1088 | if (currentProgram == null) { 1089 | Msg.info(this, "No program loaded, aborting."); 1090 | return; 1091 | } 1092 | 1093 | var startTime = System.currentTimeMillis(); 1094 | WorksetManager.Initialize(); 1095 | 1096 | println("Loaded " + WorksetManager.GetDatabaseSize() + " signatures."); 1097 | monitor.initialize(WorksetManager.GetDatabaseSize()); 1098 | monitor.setProgress(0); 1099 | 1100 | var cancelMonitor = new CancelOnlyWrappingTaskMonitor(monitor); 1101 | var memory = currentProgram.getMemory(); 1102 | var searchStart = memory.getMinAddress(); 1103 | var searchEnd = memory.getMaxAddress(); 1104 | 1105 | if (currentSelection != null && memory.contains(currentSelection)) { 1106 | searchStart = currentSelection.getMinAddress(); 1107 | searchEnd = currentSelection.getMaxAddress(); 1108 | } 1109 | 1110 | var foundEntries = new FoundCryptoEntries(); 1111 | for (var alg: WorksetManager.GetDB()) { 1112 | monitor.checkCanceled(); 1113 | monitor.setMessage("Looking for " + alg._name); 1114 | 1115 | var addressSet = new AddressSet(); 1116 | var detectionRate = 0.0; 1117 | 1118 | var _found = memory.findBytes(searchStart, searchEnd, alg._buffer, null, true, cancelMonitor); 1119 | if (_found != null) { 1120 | addressSet.add(_found, _found.add(alg._buffer.length)); 1121 | detectionRate = 1.0; 1122 | } else { 1123 | if (alg._elementSize < SKIP_SMALLER_SUB_CONSTANTS) 1124 | continue; //skip too small constants - too many false positives 1125 | 1126 | var size = alg._buffer.length; 1127 | var totalSubItems = size / alg._elementSize; 1128 | var subItemsToCheck = Math.min(totalSubItems, CRYPT_COUNTER); 1129 | 1130 | for(var i = 0; i < subItemsToCheck; i++) { 1131 | var offset = i * alg._elementSize; 1132 | var _foundPart = memory.findBytes(searchStart, searchEnd, 1133 | Arrays.copyOfRange(alg._buffer, offset, offset + alg._elementSize), 1134 | null, true, cancelMonitor); 1135 | 1136 | if (_foundPart != null) 1137 | addressSet.add(_foundPart, _foundPart.add(alg._elementSize)); 1138 | } 1139 | detectionRate = (double)addressSet.getNumAddressRanges() / totalSubItems; 1140 | } 1141 | 1142 | if(!addressSet.isEmpty() && detectionRate >= DETECT_THRESHOLD) 1143 | foundEntries.add(new FoundCryptoEntry(alg, addressSet, detectionRate)); 1144 | 1145 | monitor.incrementProgress(1); 1146 | } 1147 | 1148 | var _formatted = ""; 1149 | for(var entry : foundEntries) { 1150 | _formatted += entry.toString() + System.lineSeparator(); 1151 | createBookmark(entry._addresses.getMinAddress(), "FindCrypt", 1152 | String.format("%s dr=%.2f", entry._dbentry._name, entry._detectionRate)); 1153 | } 1154 | 1155 | // Only show results if something has been found. 1156 | if (foundEntries.size() >= 1) { 1157 | String messageString = String.format("A total of %d signatures have been found in %dms.", 1158 | foundEntries.size(), System.currentTimeMillis() - startTime); 1159 | if (headless) 1160 | println(messageString + System.lineSeparator() + _formatted); 1161 | else { 1162 | println(messageString); 1163 | var dialog = createTableChooserDialog("FindCrypt", createTableExecutor()); 1164 | configureTableColumns(dialog); 1165 | for (var e : foundEntries) 1166 | dialog.add(new ResultRow(e)); 1167 | 1168 | dialog.show(); 1169 | } 1170 | } 1171 | } 1172 | } 1173 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . -------------------------------------------------------------------------------- /Licenses/Crypto++.txt: -------------------------------------------------------------------------------- 1 | Compilation Copyright (c) 1995-2019 by Wei Dai. All rights reserved. 2 | This copyright applies only to this software distribution package 3 | as a compilation, and does not imply a copyright on any particular 4 | file in the package. 5 | 6 | All individual files in this compilation are placed in the public domain by 7 | Wei Dai and other contributors. 8 | 9 | I would like to thank the following authors for placing their works into 10 | the public domain: 11 | 12 | Joan Daemen - 3way.cpp 13 | Leonard Janke - cast.cpp, seal.cpp 14 | Steve Reid - cast.cpp 15 | Phil Karn - des.cpp 16 | Andrew M. Kuchling - md2.cpp, md4.cpp 17 | Colin Plumb - md5.cpp 18 | Seal Woods - rc6.cpp 19 | Chris Morgan - rijndael.cpp 20 | Paulo Baretto - rijndael.cpp, skipjack.cpp, square.cpp 21 | Richard De Moliner - safer.cpp 22 | Matthew Skala - twofish.cpp 23 | Kevin Springle - camellia.cpp, shacal2.cpp, ttmac.cpp, whrlpool.cpp, ripemd.cpp 24 | Ronny Van Keer - sha3.cpp 25 | Aumasson, Neves, Wilcox-O'Hearn and Winnerlein - blake2.cpp, blake2b_simd.cpp, blake2s_simd.cpp 26 | Aaram Yun - aria.cpp, aria_simd.cpp 27 | Han Lulu, Markku-Juhani O. Saarinen - sm4.cpp sm4_simd.cpp 28 | Daniel J. Bernstein, Jack Lloyd - chacha.cpp, chacha_simd.cpp, chacha_avx.cpp 29 | Andrew Moon - ed25519, x25519, donna_32.cpp, donna_64.cpp, donna_sse.cpp 30 | 31 | The Crypto++ Library uses portions of Andy Polyakov's CRYPTOGAMS for Poly1305 32 | scalar multiplication and aes_armv4.S. CRYPTOGAMS is dual licensed with a 33 | permissive BSD-style license. The CRYPTOGAMS license is reproduced below. 34 | 35 | The Crypto++ Library uses portions of Jack Lloyd's Botan for ChaCha SSE2 and 36 | AVX. Botan placed the code in public domain for Crypto++ to use. 37 | 38 | The Crypto++ Library (as a compilation) is currently licensed under the Boost 39 | Software License 1.0 (http://www.boost.org/users/license.html). 40 | 41 | Boost Software License - Version 1.0 - August 17th, 2003 42 | 43 | Permission is hereby granted, free of charge, to any person or organization 44 | obtaining a copy of the software and accompanying documentation covered by 45 | this license (the "Software") to use, reproduce, display, distribute, 46 | execute, and transmit the Software, and to prepare derivative works of the 47 | Software, and to permit third-parties to whom the Software is furnished to 48 | do so, all subject to the following: 49 | 50 | The copyright notices in the Software and this entire statement, including 51 | the above license grant, this restriction and the following disclaimer, 52 | must be included in all copies of the Software, in whole or in part, and 53 | all derivative works of the Software, unless such copies or derivative 54 | works are solely in the form of machine-executable object code generated by 55 | a source language processor. 56 | 57 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 58 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 59 | FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 60 | SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 61 | FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 62 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 63 | DEALINGS IN THE SOFTWARE. 64 | 65 | CRYPTOGAMS License 66 | 67 | Copyright (c) 2006-2017, CRYPTOGAMS by 68 | All rights reserved. 69 | 70 | Redistribution and use in source and binary forms, with or without 71 | modification, are permitted provided that the following conditions 72 | are met: 73 | 74 | * Redistributions of source code must retain copyright notices, 75 | this list of conditions and the following disclaimer. 76 | * Redistributions in binary form must reproduce the above 77 | copyright notice, this list of conditions and the following 78 | disclaimer in the documentation and/or other materials 79 | provided with the distribution. 80 | * Neither the name of the CRYPTOGAMS nor the names of its copyright 81 | holder and contributors may be used to endorse or promote products 82 | derived from this software without specific prior written permission. -------------------------------------------------------------------------------- /Misc/demo.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d3v1l401/FindCrypt-Ghidra/71660fddbe7300acb39e013ad6ad96cd001c0d99/Misc/demo.gif -------------------------------------------------------------------------------- /Misc/resDemo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d3v1l401/FindCrypt-Ghidra/71660fddbe7300acb39e013ad6ad96cd001c0d99/Misc/resDemo.png -------------------------------------------------------------------------------- /Misc/updDemo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d3v1l401/FindCrypt-Ghidra/71660fddbe7300acb39e013ad6ad96cd001c0d99/Misc/updDemo.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # FindCrypt - Ghidra Edition 2 | 3 | > This project is discountinued as I can't keep it maintained, please refer to the Forks or variations of this project such as [this one](https://github.com/TorgoTorgo/ghidra-findcrypt). 4 | > Feel free to open an issue if you wish to add your project to the list of derivative work, with a short description 5 | 6 | While for years we used IDA Pro and its incredible plugins developed by its huge community, Ghidra came out recently (at the time of writing) showing a lot of potential and an incredible modular design for customization both in Python or Java. 7 | 8 | As most of you know, FindCrypt, a plugin made by nonetheless than Ilfak Guilfanov himself for IDA, is essential for quickly find references to Cryptography functions in the target and extremely useful in the field of Reverse Engineering. 9 | 10 | I'm trying to move to Ghidra and the very first thing I noticed is how important is the plugin to me, so I took the responsibility to migrate it, in Java, without sacrificing any signature and try to improve it as well. 11 | 12 | ![Demo](https://github.com/d3v1l401/FindCrypt-Ghidra/blob/master/Misc/demo.gif) 13 | 14 | **This software is being developed and tested, if you encounter any problem please proceed into the Issues section** 15 | 16 | ## Installation 17 | 18 | #### Windows 19 | 20 | 1. Find your Ghidra installation directory (e.g. "E:\Reversing Softwares\ghidra_9.0") 21 | 2. Move "FindCrypt.java" into "Ghidra\Features\BytePatterns\ghidra_scripts" 22 | 3. Move "findcrypt_ghidra" (database directory) into "C:\Users\your user\" 23 | 4. Be sure Ghidra can access the "findcrypt_ghidra" directory both for reading and writing. 24 | 25 | #### Linux 26 | 27 | 1. Find your Ghidra installation directory (e.g. ~/ghidra) 28 | 2. Move "FindCrypt.java" into "~/ghidra/Features/BytePatterns/ghidra_scripts" 29 | 3. Move "findcrypt_ghidra" (database directory) into ~/ (or $HOME) 30 | 4. Be sure Ghidra can access the "~/findcrypt_ghidra" directory both for reading and writing. 31 | 32 | ## Usage 33 | 34 | Once you started your project and opened the disassembler, use the Script Manager window and search for "FindCrypt.java", 35 | by double clicking or pressing "Run" will execute the script and a result screen is shown if something is found. 36 | 37 | ![Example result](https://github.com/d3v1l401/FindCrypt-Ghidra/blob/master/Misc/resDemo.png) 38 | 39 | ### Database 40 | 41 | The database is a binary file I serialized myself, it's very easy to understand and very basic but functional for its goal. 42 | The database contains all of the **79** algorithms constants implemented by Ilfak, no sacrifices have been made while migrating them, while also adding more and more by the contributors. 43 | 44 | 45 | There's a total of **122 detectable constants** in the database, related to: 46 | 47 | * **Raw Primitives** 48 | * Keccak (SHA-3) 49 | * **Elliptic Curves** 50 | * Donna32 (EC25519), Donna64 (EC25519) 51 | * **Stream ciphers** 52 | * Chacha, Salsa, Sosemanuk 53 | * **Block ciphers** 54 | * Blowfish, Camellia, DES, TripleDES, RC2, SHARK, Cast, Square, WAKE, Skipjack, HIGHT, Kalyna, LEA, SEED, SCHACAL2, SIMON-64, SIMON-128, TEA/TEAN/XTEA/XXTEA 55 | * **Hash funcions** 56 | * Whirlpool, MD2, MD4, MD5, SHA-1, SHA-256, SHA-384, SHA-512, Tiger, RIPEMD160, HAVAL, BLAKE2 57 | * **AES Family** 58 | * AES, RC5/RC6, MARS, Twofish, CAST-256, GOST, SAFER 59 | * **Compression** 60 | * ZLib 61 | 62 | To include more constants of your choice, simply refer to the "FCExporter" project and perhaps also share your new entries :) 63 | 64 | #### Database Updating 65 | 66 | The script is now using an internal auto update system synchronized with the latest database version in this repository. 67 | The centralized repository synchronization is by default turned on, this is to ensure the user always has the latest version possible 68 | and therefore obtain best results from the script, if you wish to turn it off: 69 | 70 | 1. Open the "FindCrypt.java" file and find the '__FORCE_NO_DBUPDATE' variable (line 705). 71 | 2. Replace "false" with "true". 72 | 73 | #### Script Updating 74 | 75 | While the database is by design modular and can be updated automatically, the script can not; but the script will check the current version and prompt the user to check this repository latest version for download, with the list of changes from the new version. 76 | 77 | The script update message is prompt only once per session. 78 | 79 | Proceed to download the latest version of "FindCrypt.java" and replace it in Ghidra's script directory. 80 | 81 | Also this feature is turned on by default, if you wish to disable it, follow above mentioned steps on '__FORCE_NO_SCRIPTUPDATE' (line 707). 82 | 83 | ![Example update](https://github.com/d3v1l401/FindCrypt-Ghidra/blob/master/Misc/updDemo.png) 84 | 85 | # Credits 86 | d3vil401 - d3vil401@protonmail.com, d3vil401#7685 (Discord), https://d3vsite.org/ 87 | 88 | Ilfak Guilfanov - https://twitter.com/ilfak 89 | 90 | NSA (Ghidra) - https://ghidra-sre.org/ 91 | 92 | ![Ghidra Logo](https://media.defense.gov/2019/Mar/05/2002096238/400/400/0/190503-D-IM742-3002.PNG) 93 | 94 | ### License 95 | 96 | GNU GPLv3 - Refer to "LICENSE" 97 | 98 | Using Crypto++ - Refer to Licenses\Crypto++.txt 99 | -------------------------------------------------------------------------------- /Utils/FCExporter/.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | 33 | # Visual Studio 2015/2017 cache/options directory 34 | .vs/ 35 | # Uncomment if you have tasks that create the project's static files in wwwroot 36 | #wwwroot/ 37 | 38 | # Visual Studio 2017 auto generated files 39 | Generated\ Files/ 40 | 41 | # MSTest test Results 42 | [Tt]est[Rr]esult*/ 43 | [Bb]uild[Ll]og.* 44 | 45 | # NUNIT 46 | *.VisualState.xml 47 | TestResult.xml 48 | 49 | # Build Results of an ATL Project 50 | [Dd]ebugPS/ 51 | [Rr]eleasePS/ 52 | dlldata.c 53 | 54 | # Benchmark Results 55 | BenchmarkDotNet.Artifacts/ 56 | 57 | # .NET Core 58 | project.lock.json 59 | project.fragment.lock.json 60 | artifacts/ 61 | 62 | # StyleCop 63 | StyleCopReport.xml 64 | 65 | # Files built by Visual Studio 66 | *_i.c 67 | *_p.c 68 | *_h.h 69 | *.ilk 70 | *.meta 71 | *.obj 72 | *.iobj 73 | *.pch 74 | *.pdb 75 | *.ipdb 76 | *.pgc 77 | *.pgd 78 | *.rsp 79 | *.sbr 80 | *.tlb 81 | *.tli 82 | *.tlh 83 | *.tmp 84 | *.tmp_proj 85 | *_wpftmp.csproj 86 | *.log 87 | *.vspscc 88 | *.vssscc 89 | .builds 90 | *.pidb 91 | *.svclog 92 | *.scc 93 | 94 | # Chutzpah Test files 95 | _Chutzpah* 96 | 97 | # Visual C++ cache files 98 | ipch/ 99 | *.aps 100 | *.ncb 101 | *.opendb 102 | *.opensdf 103 | *.sdf 104 | *.cachefile 105 | *.VC.db 106 | *.VC.VC.opendb 107 | 108 | # Visual Studio profiler 109 | *.psess 110 | *.vsp 111 | *.vspx 112 | *.sap 113 | 114 | # Visual Studio Trace Files 115 | *.e2e 116 | 117 | # TFS 2012 Local Workspace 118 | $tf/ 119 | 120 | # Guidance Automation Toolkit 121 | *.gpState 122 | 123 | # ReSharper is a .NET coding add-in 124 | _ReSharper*/ 125 | *.[Rr]e[Ss]harper 126 | *.DotSettings.user 127 | 128 | # JustCode is a .NET coding add-in 129 | .JustCode 130 | 131 | # TeamCity is a build add-in 132 | _TeamCity* 133 | 134 | # DotCover is a Code Coverage Tool 135 | *.dotCover 136 | 137 | # AxoCover is a Code Coverage Tool 138 | .axoCover/* 139 | !.axoCover/settings.json 140 | 141 | # Visual Studio code coverage results 142 | *.coverage 143 | *.coveragexml 144 | 145 | # NCrunch 146 | _NCrunch_* 147 | .*crunch*.local.xml 148 | nCrunchTemp_* 149 | 150 | # MightyMoose 151 | *.mm.* 152 | AutoTest.Net/ 153 | 154 | # Web workbench (sass) 155 | .sass-cache/ 156 | 157 | # Installshield output folder 158 | [Ee]xpress/ 159 | 160 | # DocProject is a documentation generator add-in 161 | DocProject/buildhelp/ 162 | DocProject/Help/*.HxT 163 | DocProject/Help/*.HxC 164 | DocProject/Help/*.hhc 165 | DocProject/Help/*.hhk 166 | DocProject/Help/*.hhp 167 | DocProject/Help/Html2 168 | DocProject/Help/html 169 | 170 | # Click-Once directory 171 | publish/ 172 | 173 | # Publish Web Output 174 | *.[Pp]ublish.xml 175 | *.azurePubxml 176 | # Note: Comment the next line if you want to checkin your web deploy settings, 177 | # but database connection strings (with potential passwords) will be unencrypted 178 | *.pubxml 179 | *.publishproj 180 | 181 | # Microsoft Azure Web App publish settings. Comment the next line if you want to 182 | # checkin your Azure Web App publish settings, but sensitive information contained 183 | # in these scripts will be unencrypted 184 | PublishScripts/ 185 | 186 | # NuGet Packages 187 | *.nupkg 188 | # The packages folder can be ignored because of Package Restore 189 | **/[Pp]ackages/* 190 | # except build/, which is used as an MSBuild target. 191 | !**/[Pp]ackages/build/ 192 | # Uncomment if necessary however generally it will be regenerated when needed 193 | #!**/[Pp]ackages/repositories.config 194 | # NuGet v3's project.json files produces more ignorable files 195 | *.nuget.props 196 | *.nuget.targets 197 | 198 | # Microsoft Azure Build Output 199 | csx/ 200 | *.build.csdef 201 | 202 | # Microsoft Azure Emulator 203 | ecf/ 204 | rcf/ 205 | 206 | # Windows Store app package directories and files 207 | AppPackages/ 208 | BundleArtifacts/ 209 | Package.StoreAssociation.xml 210 | _pkginfo.txt 211 | *.appx 212 | *.appxbundle 213 | *.appxupload 214 | 215 | # Visual Studio cache files 216 | # files ending in .cache can be ignored 217 | *.[Cc]ache 218 | # but keep track of directories ending in .cache 219 | !?*.[Cc]ache/ 220 | 221 | # Others 222 | ClientBin/ 223 | ~$* 224 | *~ 225 | *.dbmdl 226 | *.dbproj.schemaview 227 | *.jfm 228 | *.pfx 229 | *.publishsettings 230 | orleans.codegen.cs 231 | 232 | # Including strong name files can present a security risk 233 | # (https://github.com/github/gitignore/pull/2483#issue-259490424) 234 | #*.snk 235 | 236 | # Since there are multiple workflows, uncomment next line to ignore bower_components 237 | # (https://github.com/github/gitignore/pull/1529#issuecomment-104372622) 238 | #bower_components/ 239 | 240 | # RIA/Silverlight projects 241 | Generated_Code/ 242 | 243 | # Backup & report files from converting an old project file 244 | # to a newer Visual Studio version. Backup files are not needed, 245 | # because we have git ;-) 246 | _UpgradeReport_Files/ 247 | Backup*/ 248 | UpgradeLog*.XML 249 | UpgradeLog*.htm 250 | ServiceFabricBackup/ 251 | *.rptproj.bak 252 | 253 | # SQL Server files 254 | *.mdf 255 | *.ldf 256 | *.ndf 257 | 258 | # Business Intelligence projects 259 | *.rdl.data 260 | *.bim.layout 261 | *.bim_*.settings 262 | *.rptproj.rsuser 263 | *- Backup*.rdl 264 | 265 | # Microsoft Fakes 266 | FakesAssemblies/ 267 | 268 | # GhostDoc plugin setting file 269 | *.GhostDoc.xml 270 | 271 | # Node.js Tools for Visual Studio 272 | .ntvs_analysis.dat 273 | node_modules/ 274 | 275 | # Visual Studio 6 build log 276 | *.plg 277 | 278 | # Visual Studio 6 workspace options file 279 | *.opt 280 | 281 | # Visual Studio 6 auto-generated workspace file (contains which files were open etc.) 282 | *.vbw 283 | 284 | # Visual Studio LightSwitch build output 285 | **/*.HTMLClient/GeneratedArtifacts 286 | **/*.DesktopClient/GeneratedArtifacts 287 | **/*.DesktopClient/ModelManifest.xml 288 | **/*.Server/GeneratedArtifacts 289 | **/*.Server/ModelManifest.xml 290 | _Pvt_Extensions 291 | 292 | # Paket dependency manager 293 | .paket/paket.exe 294 | paket-files/ 295 | 296 | # FAKE - F# Make 297 | .fake/ 298 | 299 | # CodeRush personal settings 300 | .cr/personal 301 | 302 | # Python Tools for Visual Studio (PTVS) 303 | __pycache__/ 304 | *.pyc 305 | 306 | # Cake - Uncomment if you are using it 307 | # tools/** 308 | # !tools/packages.config 309 | 310 | # Tabs Studio 311 | *.tss 312 | 313 | # Telerik's JustMock configuration file 314 | *.jmconfig 315 | 316 | # BizTalk build output 317 | *.btp.cs 318 | *.btm.cs 319 | *.odx.cs 320 | *.xsd.cs 321 | 322 | # OpenCover UI analysis results 323 | OpenCover/ 324 | 325 | # Azure Stream Analytics local run output 326 | ASALocalRun/ 327 | 328 | # MSBuild Binary and Structured Log 329 | *.binlog 330 | 331 | # NVidia Nsight GPU debugger configuration file 332 | *.nvuser 333 | 334 | # MFractors (Xamarin productivity tool) working folder 335 | .mfractor/ 336 | 337 | # Local History for Visual Studio 338 | .localhistory/ 339 | 340 | # BeatPulse healthcheck temp database 341 | healthchecksdb 342 | 343 | # Backup folder for Package Reference Convert tool in Visual Studio 2017 344 | MigrationBackup/ 345 | 346 | # FC-G 347 | *.d3v -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 16 4 | VisualStudioVersion = 16.0.28729.10 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "FCExporter", "FCExporter\FCExporter.vcxproj", "{834EF9D7-9BF4-4501-A51D-0080DB835643}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|x64 = Debug|x64 11 | Debug|x86 = Debug|x86 12 | Release|x64 = Release|x64 13 | Release|x86 = Release|x86 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Debug|x64.ActiveCfg = Debug|x64 17 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Debug|x64.Build.0 = Debug|x64 18 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Debug|x86.ActiveCfg = Debug|Win32 19 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Debug|x86.Build.0 = Debug|Win32 20 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Release|x64.ActiveCfg = Release|x64 21 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Release|x64.Build.0 = Release|x64 22 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Release|x86.ActiveCfg = Release|Win32 23 | {834EF9D7-9BF4-4501-A51D-0080DB835643}.Release|x86.Build.0 = Release|Win32 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | GlobalSection(ExtensibilityGlobals) = postSolution 29 | SolutionGuid = {D06E1DB7-1246-4F11-98DE-68E465E7A280} 30 | EndGlobalSection 31 | EndGlobal 32 | -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/FCExporter.vcxproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Debug 6 | Win32 7 | 8 | 9 | Release 10 | Win32 11 | 12 | 13 | Debug 14 | x64 15 | 16 | 17 | Release 18 | x64 19 | 20 | 21 | 22 | 15.0 23 | {834EF9D7-9BF4-4501-A51D-0080DB835643} 24 | FCExporter 25 | 10.0 26 | 27 | 28 | 29 | Application 30 | true 31 | v142 32 | MultiByte 33 | 34 | 35 | Application 36 | false 37 | v142 38 | true 39 | MultiByte 40 | 41 | 42 | Application 43 | true 44 | v142 45 | MultiByte 46 | 47 | 48 | Application 49 | false 50 | v142 51 | true 52 | MultiByte 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | C:\Libraries\Crypto++\;$(IncludePath) 74 | C:\Libraries\Crypto++\Win32\Output\Debug;$(LibraryPath) 75 | 76 | 77 | 78 | Level3 79 | Disabled 80 | true 81 | true 82 | _CRT_SECURE_NO_WARNINGS;_SILENCE_FPOS_SEEKPOS_DEPRECATION_WARNING;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;%(PreprocessorDefinitions) 83 | MultiThreadedDebug 84 | 85 | 86 | 87 | 88 | 89 | Level3 90 | Disabled 91 | true 92 | true 93 | 94 | 95 | 96 | 97 | Level3 98 | MaxSpeed 99 | true 100 | true 101 | true 102 | true 103 | 104 | 105 | true 106 | true 107 | 108 | 109 | 110 | 111 | Level3 112 | MaxSpeed 113 | true 114 | true 115 | true 116 | true 117 | 118 | 119 | true 120 | true 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/FCExporter.vcxproj.filters: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | {4FC737F1-C7A5-4376-A066-2A32D752A2FF} 6 | cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx 7 | 8 | 9 | {93995380-89BD-4b04-88EB-625FBE52EBFB} 10 | h;hh;hpp;hxx;hm;inl;inc;ipp;xsd 11 | 12 | 13 | {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} 14 | rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms 15 | 16 | 17 | 18 | 19 | Header Files 20 | 21 | 22 | Header Files 23 | 24 | 25 | 26 | 27 | Source Files 28 | 29 | 30 | Source Files 31 | 32 | 33 | Source Files 34 | 35 | 36 | -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/Main.cpp: -------------------------------------------------------------------------------- 1 | #include "consts.h" 2 | #include 3 | #include 4 | #include 5 | #include 6 | #include "compression.h" 7 | using namespace std; 8 | 9 | #define TEST_BEFORE_ADD 10 | #define MAGIC 0xD3010401 11 | 12 | class DbManager { 13 | private: 14 | #define WRITE(b, s) { this->_stream.write(reinterpret_cast(&b), s); } 15 | #define SWAP(x) { this->Swap(&x); } 16 | fstream _stream; 17 | bool _isOpen = false; 18 | uint16_t _writtenItems = 0; 19 | 20 | // https://stackoverflow.com/users/95286/dingo 21 | template 22 | inline void Swap(T* val) { 23 | unsigned char* memp = reinterpret_cast(val); 24 | std::reverse(memp, memp + sizeof(T)); 25 | } 26 | 27 | public: 28 | 29 | bool isOpen() { 30 | return this->_isOpen; 31 | } 32 | 33 | DbManager(std::string _fPath) : 34 | _stream(_fPath, ios::out | ios::binary) { 35 | 36 | if (_stream.is_open()) { 37 | this->_isOpen = true; 38 | 39 | auto _magicBoi = MAGIC; 40 | 41 | SWAP(_magicBoi); 42 | WRITE(_magicBoi, sizeof(int)); 43 | 44 | SWAP(this->_writtenItems); 45 | WRITE(this->_writtenItems, sizeof(uint16_t)); 46 | } 47 | } 48 | 49 | ~DbManager() { 50 | if (this->isOpen()) { 51 | this->_stream.flush(); 52 | 53 | // Updates content counter. 54 | this->_stream.seekg(sizeof(int) + 0, ios::beg); 55 | SWAP(this->_writtenItems); 56 | WRITE(this->_writtenItems, sizeof(uint16_t)); 57 | this->_stream.close(); 58 | } 59 | } 60 | 61 | bool AddEntry(unsigned char* _buff, size_t _size, size_t _el_size, std::string _name, uint8_t toCompress = 0) { 62 | if (_buff != nullptr && _size > 0) { 63 | 64 | std::string _b64d; 65 | _b64d.resize(_size); 66 | memcpy(&_b64d[0], _buff, _size); 67 | 68 | int _nameLength = _name.length(); 69 | SWAP(_nameLength); 70 | WRITE(_nameLength, sizeof(int)); 71 | WRITE(_name[0], _name.length()); 72 | WRITE(toCompress, sizeof(uint8_t)); 73 | SWAP(_el_size); 74 | WRITE(_el_size, sizeof(int)); 75 | if (toCompress) { 76 | 77 | if (_b64d.data() == nullptr || _size <= 0) 78 | throw std::runtime_error("Input data and/or size is null"); 79 | 80 | vector _outBuff; 81 | Compression::Compress((unsigned char*)_b64d.data(), _b64d.length(), _outBuff); 82 | 83 | if (_outBuff.data() == nullptr) 84 | throw std::runtime_error("Returned compressed buffer null despite should not"); 85 | 86 | // Remember the SWAP? 87 | size_t _cpy = _outBuff.size(); 88 | 89 | SWAP(_cpy); 90 | WRITE(_cpy, sizeof(int)); 91 | WRITE(_outBuff.data()[0], _outBuff.size()); 92 | 93 | _b64d.clear(); 94 | _outBuff.clear(); 95 | } else { 96 | 97 | int _buffLength = _b64d.length(); 98 | SWAP(_buffLength); 99 | WRITE(_buffLength, sizeof(int)); 100 | WRITE(_b64d[0], _b64d.length()); 101 | _b64d.clear(); 102 | } 103 | this->_writtenItems++; 104 | // Sometimes I need to check the raw buffer to be sure it's working. 105 | this->_stream.flush(); 106 | 107 | return true; 108 | } 109 | 110 | return false; 111 | } 112 | 113 | uint16_t itemCount() { 114 | return this->_writtenItems; 115 | } 116 | 117 | void Flush() { 118 | this->_stream.flush(); 119 | } 120 | #undef WRITE 121 | #undef SWAP 122 | }; 123 | 124 | int main(int argc, char* argv[]) { 125 | 126 | DbManager* db = new DbManager("database.d3v"); 127 | if (db->isOpen()) { 128 | cout << "[+] ARCHIVE CREATED - MAGIC (0xD3010401)" << std::endl; 129 | //////////////////////////// 130 | // SPARSE SERIALIZE // 131 | //////////////////////////// 132 | cout << " |---- SPARSE CONSTANTS\n |" << std::endl; 133 | for (auto i = 0; i < 5; i++) { 134 | uint8_t shouldCompress = sparse_consts[i].size > 20 ? 0x01 : 0x00; 135 | 136 | if (!db->AddEntry((unsigned char*)sparse_consts[i].array, sparse_consts[i].size, sparse_consts[i].size_elem, sparse_consts[i].name, shouldCompress)) 137 | cout << " |--[" << i << "] \"" << sparse_consts[i].name << "\" failed to add due to corrupted cast." << std::endl; 138 | else 139 | cout << " |--[" << i << "] Added \"" << sparse_consts[i].name << "\" (" << sparse_consts[i].size << ")" << std::endl; 140 | } 141 | 142 | 143 | //////////////////////////// 144 | // NON SPARSE SERIALIZE // 145 | //////////////////////////// 146 | cout << " |---- NON-SPARSE CONSTANTS\n |" << std::endl; 147 | for (auto i = 0; i < 119; i++) { 148 | uint8_t shouldCompress = sparse_consts[i].size > 20 ? 0x01 : 0x00; 149 | 150 | if (!db->AddEntry((unsigned char*)non_sparse_consts[i].array, non_sparse_consts[i].size, non_sparse_consts[i].size_elem, non_sparse_consts[i].name, shouldCompress)) 151 | cout << " |--[" << i << "] \"" << non_sparse_consts[i].name << "\" failed to add due to corrupted cast." << std::endl; 152 | else 153 | cout << " |--[" << i << "] Added \"" << non_sparse_consts[i].name << "\" (" << non_sparse_consts[i].size << ")" << std::endl; 154 | } 155 | cout << "[-] DONE [" << db->itemCount() << "] ITEMS ADDED.\n"; 156 | 157 | db->~DbManager(); 158 | db = nullptr; 159 | } 160 | 161 | getchar(); 162 | return 0; 163 | } 164 | -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/compression.cpp: -------------------------------------------------------------------------------- 1 | #include "compression.h" 2 | #pragma comment(lib, "cryptlib.lib") 3 | 4 | void Compression::Compress(unsigned char* _input, size_t _inSize, vector& _out) { 5 | if (_inSize > 0 && _input != nullptr) { 6 | 7 | CryptoPP::Gzip _compressor; 8 | _compressor.Put((byte*)_input, _inSize); 9 | _compressor.MessageEnd(); 10 | 11 | auto avail = _compressor.MaxRetrievable(); 12 | if (avail) { 13 | _out.resize(avail); 14 | 15 | _compressor.Get(&_out[0], _out.size()); 16 | } 17 | 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/compression.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | #ifndef _COMPR_H_ 3 | #define _COMPR_H_ 4 | #include 5 | using namespace std; 6 | #include 7 | using namespace CryptoPP; 8 | 9 | class Compression { 10 | private: 11 | 12 | 13 | public: 14 | 15 | static void Compress(unsigned char* _input, size_t _inSize, vector& _out); 16 | }; 17 | 18 | #endif -------------------------------------------------------------------------------- /Utils/FCExporter/FCExporter/consts.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | #define IS_LITTLE_ENDIAN 3 | 4 | #if defined(__GNUC__) || defined(__MWERKS__) 5 | #define WORD64_AVAILABLE 6 | typedef unsigned long long word64; 7 | typedef unsigned long word32; 8 | typedef unsigned char byte; 9 | #define W64LIT(x) x##LL 10 | #elif defined(_MSC_VER) || defined(__BCPLUSPLUS__) 11 | #define WORD64_AVAILABLE 12 | typedef unsigned __int64 word64; 13 | typedef unsigned __int32 word32; 14 | typedef unsigned __int8 byte; 15 | #define W64LIT(x) x##ui64 16 | #endif 17 | 18 | struct array_info_t 19 | { 20 | const void *array; 21 | size_t size; 22 | size_t size_elem; 23 | const char *name; 24 | const char *algorithm; 25 | }; 26 | 27 | extern const array_info_t non_sparse_consts[]; 28 | extern const array_info_t sparse_consts[]; 29 | 30 | #define ARR(x) x, sizeof(x), sizeof(x[0]), #x 31 | 32 | -------------------------------------------------------------------------------- /Utils/FCExporter/README.txt: -------------------------------------------------------------------------------- 1 | The following libraries are now required to compile this exporter project: 2 | 3 | - Crypto++ (GZip) 4 | 5 | Quick description: 6 | 7 | - FCExporter 8 | Exporter util for native constants directly into the database, 9 | can compress the buffers and build the database without aid of 10 | human intervention. 11 | 12 | The content of the database is just the name of the algorithm 13 | and its binary constants content. 14 | 15 | 16 | 17 | - FCTreeExporter 18 | Exporter util for native constants directly into the database, 19 | can compress the buffers and builds the database comprise with 20 | masks for dynamic constants (e.g. code signature) automatically 21 | compressed; without the aid of the human intervention. 22 | 23 | This database is used only for particular signature scanning 24 | phases and it's slightly more complex to understand. 25 | Highly recommended to read and understand the structure and the 26 | logic of signature scanning with masks. 27 | 28 | 29 | Reference to GitHub Wiki to better understand database structures 30 | and logic behind such decisions. -------------------------------------------------------------------------------- /_config.yml: -------------------------------------------------------------------------------- 1 | theme: jekyll-theme-cayman -------------------------------------------------------------------------------- /findcrypt_ghidra/database.d3v: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/d3v1l401/FindCrypt-Ghidra/71660fddbe7300acb39e013ad6ad96cd001c0d99/findcrypt_ghidra/database.d3v -------------------------------------------------------------------------------- /findcrypt_ghidra/last_chlog.txt: -------------------------------------------------------------------------------- 1 | Hello FC-G people! 2 | 3 | WARNING: Mandatory script update (database structure change). 4 | 5 | This update has been developed entirely by Pawlos who's been kindly helping the development of this plugin. 6 | Briefly, what the update brings is a new database structure and a script update that brings to surface a way to scan fragments of constants. 7 | 8 | What does this mean exactly? 9 | 10 | It means that even if the constants are partially the same as the original algorithm's code or if these have been partially obfuscated, 11 | they can still be detected; all of this at the cost of a slower scan time. 12 | 13 | Happy hacking. 14 | 15 | - d3vil401 16 | -------------------------------------------------------------------------------- /findcrypt_ghidra/last_update.txt: -------------------------------------------------------------------------------- 1 | 7 2 | -------------------------------------------------------------------------------- /findcrypt_ghidra/script_update.txt: -------------------------------------------------------------------------------- 1 | 7 2 | --------------------------------------------------------------------------------