referenece analysis tools strings · Issue #1199 · mandiant/capa-rules · GitHub
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referenece analysis tools strings #1199

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Description

@FarghlyMal

Summary

referenece analysis tools strings (anti-analysis)

  • the rules' regex : \ regex(\frida(.exe)?/?) hits so many false positives

Examples

the rule hits any sample that has the string "Friday" which is common string that got generated by many compilers.

Image

Possible improvements

modify the regex to : (?i)(^|[^a-z0-9_])frida(.exe)?($|[^a-z0-9_])

Additional context

Activity

  1. changed the title [-]referebce analysis tools strings[/-] [+]referenece analysis tools strings[/+] on Oct 13, 2026
  2. williballenthin commented on Oct 13, 2026

    @williballenthin
    Collaborator

    good catch!

    i wonder if we can use a trailing word boundary \b symbol

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