mandiant / mandiant/capa-rules

FP: BeingDebugged flag due to offset by register

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false negative
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Description

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"check for BegingDebugged flag" wants `gs:[60h]` but this accesses via `gs:[eax]`

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Contributor guide

Open the contributing guide

Research direction

Locate the rule implementing the “check for BegingDebugged flag” behavior and inspect how it accesses gs:[60h] versus gs:[eax]. Confirm the intended offset and update the rule so its matching behavior reflects the reported access pattern; done when the corresponding check is recognized correctly.

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
Quiet
Clarity
Needs clarification
Newbie friendliness
45/100

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