Add rule: arbitrary command execution via git config override#6103
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ashish-cybersec wants to merge 2 commits into
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Add rule: arbitrary command execution via git config override#6103ashish-cybersec wants to merge 2 commits into
ashish-cybersec wants to merge 2 commits into
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Welcome @ashish-cybersec 👋
It looks like this is your first pull request on the Sigma rules repository!
Please make sure to read the SigmaHQ conventions to make sure your contribution is adhering to best practices and has all the necessary elements in place for a successful approval.
Thanks again, and welcome to the Sigma community! 😃
If you want to engage more with the community for official support, general discussions or announcements:
Updated reference URL for the advisory on Git configuration abuse.
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Summary of the Pull Request
new: Adds a rule to detect arbitrary command execution via git.exe inline config overrides (core.sshCommand, core.fsmonitor, core.pager, core.editor, diff.external) pointed at an interpreter, and via the ext:: transport. git.exe is a documented LOLBin with no existing coverage in the repository.
Changelog
new: Potential Arbitrary Command Execution Via Git Config Override
Example Log Event
CommandLine: "git.exe" -c core.fsmonitor="cmd.exe /c calc.exe" status
Fixed Issues
SigmaHQ Rule Creation Conventions