├── .gitignore ├── LICENSE ├── README.md └── ta-microsoft-powershell ├── LICENSE ├── README.md ├── default ├── app.conf ├── eventtypes.conf ├── inputs.conf ├── props.conf ├── tags.conf ├── transforms.conf └── workflow_actions.conf ├── lookups └── powershell-eventcode.csv ├── metadata └── default.meta └── static ├── appicon.png └── appicon_2x.png /.gitignore: -------------------------------------------------------------------------------- 1 | *.swp 2 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2019-2021 Swisscom (Schweiz) AG 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Splunk Add-on for PowerShell 2 | 3 | The Splunk Add-on for PowerShell provides field extraction for PowerShell event 4 | logs. Unfortunately, PowerShell logs are in system language which requires field 5 | extraction for each language. Furthermore, delimiters are sometimes `:` and sometimes `=`. 6 | 7 | Currently supported languages are 8 | * English 9 | * French 10 | * Italian 11 | * German 12 | 13 | ## Prerequisites 14 | 15 | Collection of `Microsoft-Windows-PowerShell/Operational` event logs. 16 | 17 | ## Installation 18 | 19 | Add the folder "ta-microsoft-powershell" to a ZIP and upload it to https://spunkserver/en-US/manager/appinstall/_upload. 20 | 21 | ## Sourcetypes 22 | 23 | Following source is used for field extraction. 24 | 25 | ``` 26 | source="XmlWinEventLog:Microsoft-Windows-PowerShell/Operational" 27 | ``` 28 | 29 | ## Changelog 30 | 31 | See [changelog in the add-on](ta-microsoft-powershell/README.md). 32 | 33 | ## Contribution 34 | 35 | File an [issue](https://github.com/swisscom/splunk-addon-powershell/issues) or submit a [pull request](https://github.com/swisscom/splunk-addon-powershell/pulls). 36 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. 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If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "{}" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2019 Swisscom (Schweiz) AG 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/README.md: -------------------------------------------------------------------------------- 1 | # TA-Microsoft-PowerShell 2 | 3 | * Author: Swisscom CSIRT, Swisscom (Schweiz) AG 4 | * Source: XmlWinEventLog:Microsoft-Windows-PowerShell/Operational 5 | * Has index-time ops: false 6 | 7 | # Update History 8 | 9 | ## 0.2.0 - 2020-02-13 10 | 11 | * Update to work with the new Splunk_TA_windows v5 and onwards - https://docs.splunk.com/Documentation/WindowsAddOn/5.0.1/User/Upgrade#Upgrade_from_version_4.8.4_to_version_5.0.1 12 | * All searches,reports and dashboards using `sourcetype="XmlWinEventLog:Microsoft-Windows-PowerShell/Operational"` need to use `source="XmlWinEventLog:Microsoft-Windows-PowerShell/Operational"` instead, due to the upgrade to Splunk_TA_windows v5 13 | 14 | ## 0.1.0 - 2019-03-01 15 | * Add initial PowerShell event log field extraction 16 | * Tested with PowerShell 5.1 17 | 18 | # Using this TA 19 | 20 | Configuration: Install TA via GUI on all search heads, install via your preferred method (manual or Deployment Server) on forwarders running on Windows. 21 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/app.conf: -------------------------------------------------------------------------------- 1 | [launcher] 2 | description = Provides data inputs for handling Microsoft Windows PowerShell 3 | version = 0.1.0 4 | 5 | [package] 6 | id = TA-microsoft-powershell 7 | check_for_updates = false 8 | 9 | [install] 10 | is_configured = false 11 | state = enabled 12 | 13 | [ui] 14 | is_visible = false 15 | label = Microsoft PowerShell Add-on 16 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/eventtypes.conf: -------------------------------------------------------------------------------- 1 | [ms-powershell-modulelogging] 2 | search = source="XmlWinEventLog:Microsoft-Windows-PowerShell/Operational" EventCode="4103" 3 | 4 | [ms-powershell-scriptblocktext] 5 | search = source="XmlWinEventLog:Microsoft-Windows-PowerShell/Operational" EventCode="4104" 6 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/inputs.conf: -------------------------------------------------------------------------------- 1 | [WinEventLog://Microsoft-Windows-PowerShell/Operational] 2 | disabled = false 3 | renderXml = 1 4 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/props.conf: -------------------------------------------------------------------------------- 1 | [source::XmlWinEventLog:Microsoft-Windows-PowerShell/Operational] 2 | REPORT-powershell = powershell-eventid,powershell-version,powershell-level,powershell-task,powershell-opcode,powershell-keywords,powershell-created,powershell-record,powershell-correlation,powershell-execution-processid,powershell-execution-threadid,powershell-channel,powershell-computer,powershell-sid,powershell-data,powershell-hostapplication,powershell-scriptname,powershell-filename,powershell-pathname,powershell-user 3 | EVAL-src_host = Computer 4 | EVAL-action = "allowed" 5 | EVAL-user = User 6 | EVAL-process_id = ProcessID 7 | EVAL-vendor_product = "Windows PowerShell" 8 | EVAL-file_create_time = CreationUtcTime 9 | LOOKUP-eventcode = powershell-eventcode EventCode OUTPUTNEW EventDescription EventDescription AS signature 10 | FIELDALIAS-signature_id = EventCode AS signature_id 11 | FIELDALIAS-eventid = EventCode AS EventID 12 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/tags.conf: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/transforms.conf: -------------------------------------------------------------------------------- 1 | [powershell-eventid] 2 | REGEX = (\d+) 3 | FORMAT = EventCode::$1 4 | 5 | [powershell-version] 6 | REGEX = (\d+) 7 | FORMAT = Version::$1 8 | 9 | [powershell-level] 10 | REGEX = (\d+) 11 | FORMAT = Level::$1 12 | 13 | [powershell-task] 14 | REGEX = (\d+) 15 | FORMAT = Task::$1 16 | 17 | [powershell-opcode] 18 | REGEX = (\d+) 19 | FORMAT = Opcode::$1 20 | 21 | [powershell-keywords] 22 | REGEX = (0x[0-9a-fA-F]+) 23 | FORMAT = Keywords::$1 24 | 25 | [powershell-created] 26 | REGEX = 27 | FORMAT = TimeCreated::$1 28 | 29 | [powershell-record] 30 | REGEX = (\d+) 31 | FORMAT = RecordID::$1 32 | 33 | [powershell-correlation] 34 | REGEX = (.*?) 35 | FORMAT = Correlation::$1 36 | 37 | [powershell-execution-processid] 38 | REGEX = 39 | FORMAT = ProcessID::$1 40 | 41 | [powershell-execution-threadid] 42 | REGEX = 43 | FORMAT = ThreadID::$1 44 | 45 | [powershell-channel] 46 | REGEX = (.*?) 47 | FORMAT = EventChannel::$1 48 | 49 | [powershell-computer] 50 | REGEX = (.*?) 51 | FORMAT = Computer::$1 52 | 53 | [powershell-sid] 54 | REGEX = 55 | FORMAT = SecurityID::$1 56 | 57 | [powershell-data] 58 | REGEX = (.*?) 59 | FORMAT = $1::$2 60 | 61 | [powershell-hostapplication] 62 | SOURCE_KEY = ContextInfo 63 | REGEX = (Host Application|Hostanwendung|Application hôte|Applicazione host)\s?[:=]+\s?(?.*)\s+(Modul|Version du moteur|Engine|Versione motore) 64 | 65 | [powershell-scriptname] 66 | SOURCE_KEY = ContextInfo 67 | REGEX = (\s(Script Name|Skriptname|Nom du script|Nome script)\s?[^:=]?)\s?[:=]?\s?(?.*)?\s+(Command|Befehl|Chemin|Percorso comando) 68 | 69 | [powershell-filename] 70 | SOURCE_KEY = ScriptName 71 | REGEX = (?[^\\\\]+$) 72 | 73 | [powershell-pathname] 74 | SOURCE_KEY = ScriptName 75 | REGEX = (?^.+)\\([^\\]+)$ 76 | 77 | [powershell-user] 78 | SOURCE_KEY = ContextInfo 79 | REGEX = CORPROOT\\(?\w*) 80 | 81 | [powershell-eventcode] 82 | default_match = Unknown 83 | filename = powershell-eventcode.csv 84 | min_matches = 1 85 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/default/workflow_actions.conf: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/lookups/powershell-eventcode.csv: -------------------------------------------------------------------------------- 1 | EventCode,EventDescription 2 | 4100,"Executing Pipeline" 3 | 4101,"Executing Pipeline" 4 | 4102,"Executing Pipeline" 5 | 4103,"Executing Pipeline" 6 | 4104,"Execute a Remote Command" 7 | 4105,"Log script block execution start" 8 | 4106,"Log script block execution end" 9 | 8193,"Creating Runspace object" 10 | 8194,"Creating RunspacePool object" 11 | 8195,"Opening RunspacePool" 12 | 8196,"Modifying activity ID and correlating" 13 | 8197,"Runspace state changed to [State]" 14 | 12039,"Modifying activity ID and correlating" 15 | 24577,"PowerShell ISE Operation" 16 | 24578,"PowerShell ISE Operation" 17 | 24579,"PowerShell ISE Operation" 18 | 32784,"PowerShell remoting transport" 19 | 40961,"Start PowerShell console" 20 | 40962,"Start PowerShell console" 21 | 53504,"PowerShell named pipe IPC" 22 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/metadata/default.meta: -------------------------------------------------------------------------------- 1 | [] 2 | access = read : [ * ], write : [ admin ] 3 | export = system 4 | owner = admin 5 | 6 | [lookups/eventcode.csv] 7 | access = read : [ * ], write : [ admin ] 8 | export = system 9 | owner = admin 10 | 11 | [transforms/eventcode] 12 | access = read : [ * ], write : [ admin ] 13 | export = system 14 | owner = admin 15 | 16 | [props/XmlWinEventLog%3AMicrosoft-Windows-PowerShell%2FOperational/LOOKUP-eventcode] 17 | access = read : [ * ], write : [ admin ] 18 | export = system 19 | owner = admin 20 | -------------------------------------------------------------------------------- /ta-microsoft-powershell/static/appicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/swisscom/splunk-addon-powershell/2fe111e948037c4c5b9a918302f10c107ca523e3/ta-microsoft-powershell/static/appicon.png -------------------------------------------------------------------------------- /ta-microsoft-powershell/static/appicon_2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/swisscom/splunk-addon-powershell/2fe111e948037c4c5b9a918302f10c107ca523e3/ta-microsoft-powershell/static/appicon_2x.png --------------------------------------------------------------------------------