├── LICENSE.md ├── README.md ├── gitformant.py └── requirements.txt /LICENSE.md: -------------------------------------------------------------------------------- 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. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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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 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Gitformant | ギトフルマント 2 | ![logo](https://i.imgur.com/rflqsil.png "Gitformant Logo") 3 | 4 | ## Note: This project is no longer being maintained. 5 | 6 | Gitformant is an Open Source Intelligence (OSINT) tool developed by [Shogun Lab](http://www.shogunlab.com/) to aid researchers and security professionals in discovering Github repositories that may contain confidential information. It works by [searching Github](https://developer.github.com/v3/search/) for a keyword (internal URL, project specific acronym or terminology, etc) from code or internal documents. Additional checks can be performed if provided with a second list of keywords for verifying that the repository contents belong to a specific entity (ACME, acme.com/employee_login, Project Roadrunner, etc). 7 | 8 | ## Installation 9 | Gitformant can be installed by downloading the zip file [here](https://github.com/shogunlab/gitformant/archive/master.zip) or by cloning the [Git](https://github.com/shogunlab/gitformant.git) repository: 10 | 11 | `git clone https://github.com/shogunlab/gitformant.git` 12 | 13 | Gitformant works with [Python](http://www.python.org/download/) **3** on any platform. 14 | 15 | The included `requirements.txt` file can be used to install the pre-requisites with the following: 16 | ``` 17 | pip install -r requirements.txt 18 | ``` 19 | 20 | ## Features 21 | - Search Github for keywords belonging to confidential documents and discover leaks. 22 | - Perform checks on discovered repositories to confirm or deny that they belong to a target organization. 23 | - Log all results for further investigation and reporting. 24 | 25 | ## Usage 26 | To perform a search on Github for an internal keyword, type: 27 | 28 | `python gitformant.py ""` 29 | 30 | To check the returned results for the existence of additional keywords, type: 31 | 32 | `python gitformant.py "" ""` 33 | 34 | ## Example Use Case 35 | 1. Alice is hired by ACME Inc. to perform an Open Source Intelligence assessment and find out if confidential ACME code is being leaked online. 36 | 2. She checks multiple search engines to see if the leaked code is being indexed, but doesn't find anything. 37 | 3. Alice asks the client if there are internal URLs or company keywords that are frequently used in development code. 38 | 4. The client gives Alice "login.acme-portal.com", the URL for their employee login portal and a link that frequently appears in the clients' private Github. 39 | 5. Alice performs a search for the keyword using Gitformant: 40 | - `python gitformant.py "login.acme-portal.com"` 41 | 6. Alice finds no results, thinking that the keyword may be too specific, she changes the query to "acme-portal.com": 42 | - `python gitformant.py "acme-portal.com"` 43 | 7. Alice is surprised to find several hundred results, however many of the findings are simply junk that makes reference to "acme-portal.com" among many other online portals. 44 | 8. Undeterred, Alice performs additional checks for ACME specific keywords in the repositories discovered using Gitformant: 45 | - `python gitformant.py "acme-portal.com" "ACME,www.acme.com,ACME Inc"` 46 | 9. Alice discovers that one repository contains "acme-portal.com" and also has 32 hits for ACME, 15 hits for acme.com and 3 hits for ACME Inc. 47 | 10. Alice investigates the repository and finds that it is source code for an ACME Inc. production website with hardcoded admin login credentials. 48 | 49 | 50 | ### Misc. Usage and Performance Notes 51 | - **Don't forget to add your Github API key!** Find out more [here](https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/). 52 | - There is a rate limit on the Github Search API, to avoid going over this limit a delay is built into the calls to Github's API 53 | - If the rate limit is hit, the application will sleep and then resume after 10 seconds 54 | - Each confirmation keyword provided means an additional check is performed on every discovered repo, which means it can get **slow** FAST! 55 | - Try to limit confirmation keyword lists to two or three words (or grab a cup of coffee) 56 | 57 | ## Screenshots 58 | **Basic usage** 59 | ![screen_1](https://i.imgur.com/m3OMqiF.png?1 "Gitformant Screenshot #1") 60 | 61 | **With confirmation keywords list** 62 | ![screen_2](https://i.imgur.com/7lNK9i8.png?1 "Gitformant Screenshot #2") 63 | ![screen_3](https://i.imgur.com/EZ30blE.png?2 "Gitformant Screenshot #3") 64 | 65 | ## Legal 66 | Gitformant was inspired by an excellent OSINT tool, called [Datasploit](https://github.com/DataSploit/datasploit). 67 | 68 | The Gitformant OSINT tool is licensed under a GNU General Public License v3.0, you can read it [here](https://github.com/shogunlab/gitformant/blob/master/LICENSE.md). 69 | 70 | The Gitformant logo is licensed under a [Creative Commons Creative Attribution 3.0 United States License](https://creativecommons.org/licenses/by/3.0/us/legalcode). Authored by ProSymbols. 71 | -------------------------------------------------------------------------------- /gitformant.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | 3 | import json 4 | import requests 5 | import sys 6 | import time 7 | 8 | # Github API token for making requests, insert here if blank 9 | GITHUB_API_TOKEN = "" 10 | # List of repos discovered during investigation 11 | repos = [] 12 | 13 | def main(inform_keyword, confirm_keywords=""): 14 | # Page count specifies the current page of the search results 15 | PAGE_COUNT = 1 16 | 17 | # Check to make sure a Github token is filled in 18 | try: 19 | if GITHUB_API_TOKEN != "": 20 | results_log = "" 21 | # Perform an initial search and return up to 100 results 22 | count, results = github_search(inform_keyword, "100", str(PAGE_COUNT)) 23 | # Remaining results are kept track of in results_count 24 | results_count = count 25 | # Place the results into a variable with the total number 26 | github_results = [count, results] 27 | # Output the results to the user 28 | print(output(github_results, PAGE_COUNT - 1)) 29 | results_log += output(github_results, PAGE_COUNT - 1) 30 | print("====== DISCOVERED REPOS ======") 31 | print(log_repo_list()) 32 | # Tell the user the total number of returned results 33 | print("\nFound %s results on Github." % count) 34 | else: 35 | # Github API token is missing, return an error 36 | print("[!] Github API token is missing!") 37 | print("> Please fill in the GITHUB_API_TOKEN variable before continuing.") 38 | sys.exit(0) 39 | except Exception as e: 40 | print(e) 41 | 42 | # Results exceeded the return limit of 100 per page, enter loop to allow 43 | # user to go to the next page of results 44 | while True: 45 | if results_count >= 100: 46 | next_page_select = input("\nThere are more results to display, go to next page? (y/n) > ") 47 | if next_page_select == "y" or next_page_select == "Y": 48 | try: 49 | # User has chosen to see next page of results, increment PAGE_COUNT 50 | PAGE_COUNT += 1 51 | # Make query for next page of 100 results 52 | count, results = github_search(inform_keyword, "100", str(PAGE_COUNT)) 53 | github_results = [count, results] 54 | # Output results of search to user 55 | print(output(github_results, PAGE_COUNT - 1)) 56 | results_log += output(github_results, PAGE_COUNT - 1) 57 | # Decrement remaining results by 100 58 | results_count -= 100 59 | print(log_repo_list()) 60 | print("\nResult count is now at %s" % str(results_count)) 61 | except Exception as e: 62 | print(e) 63 | else: 64 | # User does not want to see more results, break loop 65 | break 66 | else: 67 | # Break out of the loop 68 | break 69 | 70 | # Check if user provided confirmation keywords 71 | if confirm_keywords != "" and results_count != 0: 72 | try: 73 | # Ask user if they would like to perform analysis on returned results 74 | perform_analysis_select = input("\nWould you like to perform a confidentiality level analysis on the repositories found? (y/n) > ") 75 | if perform_analysis_select == "y" or perform_analysis_select == "Y": 76 | # Perform an analysis of how confident Gitformant is of repo confidentiality 77 | analysis_result = informant_analysis(repos, confirm_keywords) 78 | exit_and_log(results_log, log_repo_list(), analysis_result, inform_keyword, confirm_keywords) 79 | else: 80 | exit_and_log(results_log, log_repo_list(), "", inform_keyword, confirm_keywords) 81 | except Exception as e: 82 | print(e) 83 | # Otherwise, just exit and ask for log output 84 | else: 85 | exit_and_log(results_log, log_repo_list(), "", inform_keyword) 86 | 87 | def exit_and_log(results_log_output, repo_list_results, informant_analysis_results="", inform_keyword="", confirm_keywords=""): 88 | if len(repo_list_results) != 0: 89 | log_select = input("\nWould you like to log results before exiting? (y/n) > ") 90 | if log_select == "y": 91 | # Allow user to specify log file name 92 | log_file_name = input("Enter the log file name > ") 93 | f = open("%s.txt" % log_file_name, "w+") 94 | # Record the search summary of which keywords were used in the initial query 95 | f.write("====== SEARCH SUMMARY ======") 96 | f.write("\nInformant keyword used: %s" % inform_keyword) 97 | if confirm_keywords != "": 98 | f.write("\nConfirmation keywords used: %s" % confirm_keywords) 99 | f.write("\n") 100 | # Record the results log from Github code search 101 | f.write("\n====== RESULTS LOG ======") 102 | f.write(results_log_output) 103 | # Record the unique repos discovered 104 | f.write("\n====== DISCOVERED REPOS ======") 105 | f.write(repo_list_results) 106 | # If informant analysis was performed, record that as well 107 | if informant_analysis_results != "": 108 | f.write("\n\n====== INFORMANT ANALYSIS RESULTS ======") 109 | f.write(informant_analysis_results) 110 | print("\nResults have been logged!") 111 | exit_banner() 112 | f.close() 113 | sys.exit(0) 114 | else: 115 | exit_banner() 116 | sys.exit(0) 117 | else: 118 | exit_banner() 119 | sys.exit(0) 120 | 121 | def exit_banner(): 122 | print("\n============================================") 123 | print("Thank you for using Gitformant! Goodbye...") 124 | print("============================================") 125 | 126 | def remove_dupes(seq): 127 | # Order preserving remove duplicates from list function 128 | checked = [] 129 | for e in seq: 130 | if e not in checked: 131 | checked.append(e) 132 | return checked 133 | 134 | def log_repo_list(): 135 | # Output list of discovered repos to user 136 | repo_results = "" 137 | for repo in remove_dupes(repos): 138 | repo_results += "\n+ https://github.com/%s" % repo 139 | return repo_results 140 | 141 | def output(data, current_page): 142 | # Check if the current page is greater than one, if so, update index accordingly 143 | if current_page > 1: 144 | count = current_page * 100 + 1 145 | # But, if the current page is one, then at least 100 results 146 | # have been returned, just add 1 147 | elif current_page == 1: 148 | count = 100 + 1 149 | # Otherwise, we are at the beginning 150 | else: 151 | count = 1 152 | # Display information about the file where the keyword march was found 153 | # Show the owner and repository 154 | output_results = "" 155 | for snip in data[1]: 156 | output_result = "\n%s. File: %s" % (str(count).zfill(2), snip['html_url']) 157 | output_result += "\n Owner: %s" % snip['repository']['full_name'] 158 | output_result += "\n Repository: %s" % snip['repository']['html_url'] 159 | output_result += "\n" 160 | output_results += output_result 161 | count += 1 162 | return output_results 163 | 164 | def informant_analysis(repo_names, confirm_keywords): 165 | print("\nStarting analysis, please wait...") 166 | # For each unique repo, perform an analysis of how confident the assessment is of 167 | # the confidentiality level 168 | analysis_results = "" 169 | for repo_name in remove_dupes(repos): 170 | analysis_result = "\nRepository: https://github.com/%s" % repo_name 171 | if confirm_keywords != "": 172 | confirm_total = len(confirm_keywords) 173 | confirm_success = 0 174 | # For each keyword in the confirm_keywords list, check if there was a hit 175 | # in the repository search 176 | for keyword in confirm_keywords: 177 | confirm_count = github_confirmation(repo_name, keyword) 178 | analysis_result += "\nFound %s hit(s) for: %s" % (confirm_count, keyword) 179 | if confirm_count != 0: 180 | # Increment the successful confirm keyword hit counter 181 | confirm_success += 1 182 | # Confidence level is a measure of how many confirmation keywords were hit 183 | # and how many in total were provided by the user 184 | confidence_level = (float(confirm_success) / float(confirm_total)) * 100 185 | # Depending on the percentage of keywords hit vs keywords provided, 186 | # assign a description for level of confidence from VERY LOW to VERY HIGH 187 | if confidence_level >= 75: 188 | analysis_result += "\nConfidence level: VERY HIGH (%s%%)" % confidence_level 189 | elif confidence_level >= 50: 190 | analysis_result += "\nConfidence level: HIGH (%s%%)" % confidence_level 191 | elif confidence_level >= 25: 192 | analysis_result += "\nConfidence level: MODERATE (%s%%)" % confidence_level 193 | elif confidence_level < 25: 194 | analysis_result += "\nConfidence level: LOW (%s%%)" % confidence_level 195 | elif confidence_level == 0: 196 | analysis_result += "\nConfidence level: VERY LOW (%s%%)" % confidence_level 197 | analysis_result += "\n" 198 | print(analysis_result) 199 | analysis_results += analysis_result 200 | return analysis_results 201 | 202 | def github_search(query, per_page="100", page_num="1"): 203 | # Github Search API endpoint for code on Github 204 | github_endpoint = "https://api.github.com/search/code?q=\"%s\"&per_page=%s&page=%s&access_token=%s" % (keyword, per_page, page_num, GITHUB_API_TOKEN) 205 | # Make the request 206 | req = requests.get(github_endpoint) 207 | # Save the response in data 208 | data = json.loads(req.content) 209 | # For each repo name, append it to the global repo list 210 | for result in data.get('items'): 211 | # Fetch the repo name and add it to the list of repos seen in results 212 | repo_name = result['repository']['full_name'] 213 | repos.append(repo_name) 214 | # Return the total number of results and the items 215 | return data.get('total_count'), data.get('items') 216 | 217 | def github_confirmation(repo, confirms): 218 | try: 219 | # Sleep for 5 seconds to avoid going over the API rate limit 220 | time.sleep(5) 221 | # Github Search API endpoint, limited to specific repository code 222 | github_endpoint = "https://api.github.com/search/code?q=\"%s\"+repo:%s&access_token=%s" % (confirms, repo, GITHUB_API_TOKEN) 223 | # Make the request 224 | req = requests.get(github_endpoint) 225 | # Save the response in data 226 | data = json.loads(req.content) 227 | result_count = data.get('total_count') 228 | # Rate limit has been hit, sleep and try again 229 | while result_count == None: 230 | print("Rate limit is being hit, sleeping for 10 seconds...") 231 | time.sleep(10) 232 | result_count = data.get('total_count') 233 | # Return total number of successful confirm keyword hits 234 | return result_count 235 | except Exception as e: 236 | return e 237 | 238 | if __name__ == "__main__": 239 | try: 240 | # If user supplied a second argument, then perform a search with confirmation keywords 241 | if len(sys.argv) == 3: 242 | keyword = sys.argv[1] 243 | confirm_words = sys.argv[2].split(",") 244 | result = main(keyword, confirm_words) 245 | # Otherwise, just perform a search with informant keyword 246 | else: 247 | keyword = sys.argv[1] 248 | result = main(keyword) 249 | except Exception as e: 250 | print(e) 251 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/shogunlab/Gitformant/e78aaa7ea67aa074da3639ea74297b3a5ed5b555/requirements.txt --------------------------------------------------------------------------------