mandiant / mandiant/capa

support wildcards and skips for bytes feature

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#233 4 comments 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
Python
Stars
6.2k
Forks
726
Avg merge
11d 11h
Merged PRs (30d)
7

Description

Add support for wildcards and skips for `bytes` feature similar to [Yara hexadecimal strings](https://yara.readthedocs.io/en/stable/writingrules.html#hexadecimal-strings).

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the requested bytes feature and the linked YARA hexadecimal-strings documentation to understand the intended wildcard and skip syntax. Trace the bytes feature's existing matching behavior, then verify that wildcard and skip patterns match the corresponding YARA semantics.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
reverse-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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