mandiant / mandiant/capa-rules
discover Group Policy via gpresult
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false positive
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Description
I'm seeing FPs when matching the _substring_ features, e.g.
```
NtQueryAttributesFile FileName C:\Windows\SysWOW64\gpresult.exe
```
trigger: https://www.virustotal.com/gui/file/fd2ee5000aff5a8eff6ae0728ba5107ff8b1bef64b25b2c7b1366f45b09c95aa/behavior
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked VirusTotal behavior and the capa rule that matches the reported _substring_ feature against gpresult.exe. Trace how that match is intended to identify Group Policy discovery, then confirm the rule no longer flags the shown NtQueryAttributesFile path while still recognizing the intended capability.
Written by the indexing model from the issue text.
Assessment
- Domain
- operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100