42 lines
866 B
Text
42 lines
866 B
Text
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// yara sigs for detecting common suicide scripts
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rule SuicideScriptL1
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{
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meta:
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copyright = "2015 Novetta Solutions"
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author = "Novetta Threat Research & Interdiction Group - trig@novetta.com"
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strings:
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$ = ":L1\ndel \"%s\"\nif exist \"%s\" goto L1\ndel \"%s\"\n"
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condition:
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any of them
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}
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rule SuicideScriptR1_Multi
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{
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meta:
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copyright = "2015 Novetta Solutions"
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author = "Novetta Threat Research & Interdiction Group - trig@novetta.com"
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strings:
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$ = "\" goto R1\ndel /a \""
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$ = "\"\nif exist \""
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$ = "@echo off\n:R1\ndel /a \""
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condition:
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all of them
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}
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rule SuicideScriptR
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{
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// joanap, joanapCleaner
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meta:
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copyright = "2015 Novetta Solutions"
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author = "Novetta Threat Research & Interdiction Group - trig@novetta.com"
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strings:
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$ = ":R\nIF NOT EXIST %s GOTO E\ndel /a %s\nGOTO R\n:E\ndel /a d.bat"
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condition:
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all of them
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}
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