mandiant / mandiant/capa-rules
execute shellcode via Windows callback function
Open
Nobody has claimed this yet.
false positive
- Dominant language
- No language data
- Stars
- 736
- Forks
- 245
- Avg merge
- 4d 53m
- Merged PRs (30d)
- 2
Description
The rule is too loose which leads to the memory allocation getting matched against unrelated APIs.
trigger: https://www.virustotal.com/gui/file/aa793f51fe674d40eed90d7cfde89fa8a001bc0507463447a901f4e5a5f90fe6/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 sample and inspect the rule that reports execution through a Windows callback. Compare the APIs it currently matches with the sample's behavior; done means the rule identifies the intended shellcode execution without matching unrelated memory allocations.
Written by the indexing model from the issue text.
Assessment
- Domain
- reverse-engineering, security
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100