Shhgit finds secrets and sensitive files across GitHub code commited in near real time by listening to the GitHub Events API.
Finding secrets in GitHub is nothing new. There are many great tools available to help with this depending on which side of the fence you sit. On the adversarial side, popular tools such as gitrob and truggleHog focus on digging in to commit history to find secret tokens from specific repositories, users or organisaitons. On the defensive side, GitHub themsleves are actively scanning for secrets through their token scanning project. Their objective is to identify secret tokens within commited code in real-time and notify the service provider to action. So in theory if any AWS secret keys are comittied to GitHub, Amazon will be notified and automatically revoke them.
shhgit would make an extremely useful addition to your bug bounty toolkit and workflows.
You can use the precompiled binaries or build from source:
- Install Go for your platform.
$ go get github.com/eth0izzle/shhgitwill download and build shhgit.- See usage.
shhgit needs to access the public GitHub API so you will need to obtain and provide an access token. The API has a hard rate limit of 5,000 requests per hour per account, regardless what token is used. The more account-unique tokens you provide, the faster you can process the events. Follow this guide to generate a token; it doesn't require any scopes or permissions. And then place it under github_access_tokens in config.yaml.
Unlike other tools, you don't need to pass any targets with shhgit. Simply run $ shhgit to start watching GitHub commits and find secrets or sensitive files matching the included 120 signatures.
--clone-repository-timeout
Maximum time it should take to clone a repository in seconds (default 10)
--csv-path
Specify a path if you want to write found secrets to a CSV. Leave blank to disable
--debug
Print debugging information
--entropy-threshold
Finds high entropy strings in files. Higher threshold = more secret secrets, lower threshold = more false positives. Set to 0 to disable entropy checks (default 5.0)
--maximum-file-size
Maximum file size to process in KB (default 512)
--maximum-repository-size
Maximum repository size to download and process in KB) (default 5120)
--minimum-stars
Only clone repositories with this many stars or higher. Set to 0 to ignore star count (default 0)
--path-checks
Set to false to disable file name/path signature checking, i.e. just match regex patterns (default true)
--silent
Suppress all output except for errors
--temp-directory
Directory to store repositories/matches (default "%temp%\shhgit")
--threads
Number of concurrent threads to use (default number of logical CPUs)
The config.yaml file has 6 elements. A default is provided.
github_access_tokens: # provide at least one token
- 'token one'
- 'token two'
slack_webhook: '' # url to your slack webhook. Found secrets will be sent here
blacklisted_extensions: [] # list of extensions to ignore
blacklisted_paths: [] # list of paths to ignore
blacklisted_entropy_extensions: [] # additional extensions to ignore for entropy checks
signatures: # list of signatures to check
- part: '' # either filename, extension, path or contents
match: '' # simple text comparison (if no regex element)
regex: '' # regex pattern (if no match element)
name: '' # name of the signature
shhgit comes with 120 signatures. You can remove or add more by editing config.yaml.
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- Fork it, baby!
- Create your feature branch:
git checkout -b my-new-feature - Commit your changes:
git commit -am 'Add some feature' - Push to the branch:
git push origin my-new-feature - Submit a pull request.
Some code borrowed from Gitrob by Michael Henriksen.
MIT. See LICENSE