15 lines
541 B
Text
15 lines
541 B
Text
rule obfuscation_singlebyte_mov : feature obfuscation
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{
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meta:
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author = "Andreas Schuster"
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description = "Detects strings obfuscated by single-byte mov ex: mov [ebp+String+1], A"
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//Check also:
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//https://insights.sei.cmu.edu/sei_blog/2012/11/writing-effective-yara-signatures-to-identify-malware.html
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strings:
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$singleb_mov = { c6 45 [2] c6 45 [2] c6 45 [2] c6 45}
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condition:
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//Contains all of the strings
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all of them
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}
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