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36 lines
975 B
Plaintext
36 lines
975 B
Plaintext
/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2015-05-14
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Identifier: APT17
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*/
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/* Rule Set ----------------------------------------------------------------- */
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rule APT17_Sample_FXSST_DLL {
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meta:
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description = "Detects Samples related to APT17 activity - file FXSST.DLL"
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license = "https://creativecommons.org/licenses/by-nc/4.0/"
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author = "Florian Roth"
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reference = "https://goo.gl/ZiJyQv"
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date = "2015-05-14"
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hash = "52f1add5ad28dc30f68afda5d41b354533d8bce3"
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strings:
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$x1 = "Microsoft? Windows? Operating System" fullword wide
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$x2 = "fxsst.dll" fullword ascii
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$y1 = "DllRegisterServer" fullword ascii
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$y2 = ".cSV" fullword ascii
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$s1 = "GetLastActivePopup"
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$s2 = "Sleep"
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$s3 = "GetModuleFileName"
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$s4 = "VirtualProtect"
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$s5 = "HeapAlloc"
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$s6 = "GetProcessHeap"
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$s7 = "GetCommandLine"
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condition:
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uint16(0) == 0x5a4d and filesize < 800KB and
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( all of ($x*) or all of ($y*) ) and all of ($s*)
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}
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