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23 lines
627 B
Plaintext
23 lines
627 B
Plaintext
/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2016-06-10
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Identifier: SharpCat
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*/
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rule SharpCat {
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meta:
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description = "Detects command shell SharpCat - file SharpCat.exe"
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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://github.com/Cn33liz/SharpCat"
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date = "2016-06-10"
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hash1 = "96dcdf68b06c3609f486f9d560661f4fec9fe329e78bd300ad3e2a9f07e332e9"
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strings:
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$x1 = "ShellZz" fullword ascii
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$s2 = "C:\\Windows\\System32\\cmd.exe" fullword wide
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$s3 = "currentDirectory" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 20KB and all of them
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}
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