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25 lines
819 B
Plaintext
25 lines
819 B
Plaintext
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rule Korplug_FAST {
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meta:
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description = "Rule to detect Korplug/PlugX FAST variant"
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author = "Florian Roth"
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date = "2015-08-20"
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hash = "c437465db42268332543fbf6fd6a560ca010f19e0fd56562fb83fb704824b371"
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strings:
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$x1 = "%s\\rundll32.exe \"%s\", ShadowPlay" fullword ascii
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$a1 = "ShadowPlay" fullword ascii
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$s1 = "%s\\rundll32.exe \"%s\"," fullword ascii
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$s2 = "nvdisps.dll" fullword ascii
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$s3 = "%snvdisps.dll" fullword ascii
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$s4 = "\\winhlp32.exe" fullword ascii
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$s5 = "nvdisps_user.dat" fullword ascii
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$s6 = "%snvdisps_user.dat" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 500KB and
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(
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$x1 or
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($a1 and 1 of ($s*)) or
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4 of ($s*)
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)
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}
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