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Malware Analyst / Reverse Engineer
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Malware Analyst / Reverse Engineer
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30s · 0 pts
Explain how YARA rules work and what makes a rule effective rather than brittle or noisy.
1
A YARA rule is just a static list of file hashes, so any small change to a sample's bytes defeats it entirely at once.
2
YARA rules can only match plaintext ASCII strings and support no hex byte patterns or boolean logic conditions at all.
3
A YARA rule combines string, hex, and regex patterns in a condition, targeting durable artifacts tested on clean files.
4
YARA rules run only inside commercial antivirus engines and cannot be authored or tuned by analysts themselves.
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