15 lines
No EOL
540 B
Text
15 lines
No EOL
540 B
Text
rule CorkowDLL
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{
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meta:
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description = "Rule to detect the Corkow DLL files"
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reference = "www.group-ib.ru/brochures/Group-IB-Corkow-Report-EN.pdf"
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strings:
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$mz = { 4d 5a }
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$binary1 = {60 [0-8] 9C [0-8] BB ?? ?? ?? ?? [0-8] 81 EB ?? ?? ?? ?? [0-8] E8 ?? 00 00 00 [0-8] 58 [0-8] 2B C3}
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$binary2 = {(FF 75 ?? | 53) FF 75 10 FF 75 0C FF 75 08 E8 ?? ?? ?? ?? [3-9] C9 C2 0C 00}
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$export1 = "Control_RunDLL"
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$export2 = "ServiceMain"
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$export3 = "DllGetClassObject"
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condition:
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($mz at 0) and ($binary1 and $binary2) and any of ($export*)
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} |