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31 lines
990 B
Plaintext
31 lines
990 B
Plaintext
/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2016-05-12
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Identifier:
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*/
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/* Rule Set ----------------------------------------------------------------- */
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rule BeepService_Hacktool {
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meta:
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description = "Detects BeepService Hacktool used by Chinese APT groups"
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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/p32Ozf"
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date = "2016-05-12"
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score = 85
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hash1 = "032df812a68852b6f3822b9eac4435e531ca85bdaf3ee99c669134bd16e72820"
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hash2 = "e30933fcfc9c2a7443ee2f23a3df837ca97ea5653da78f782e2884e5a7b734f7"
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hash3 = "ebb9c4f7058e19b006450b8162910598be90428998df149977669e61a0b7b9ed"
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hash4 = "6db2ffe7ec365058f9d3b48dcca509507c138f19ade1adb5f13cf43ea0623813"
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strings:
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$x1 = "\\\\%s\\admin$\\system32\\%s" fullword ascii
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$s1 = "123.exe" fullword ascii
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$s2 = "regclean.exe" fullword ascii
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$s3 = "192.168.88.69" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 100KB and $x1 and 1 of ($s*)
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}
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