33 lines
1.2 KiB
Text
33 lines
1.2 KiB
Text
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/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2018-03-06
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Identifier: TSCookie RAT
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Reference: http://blog.jpcert.or.jp/2018/03/malware-tscooki-7aa0.html
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*/
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/* Rule Set ----------------------------------------------------------------- */
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import "pe"
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rule TSCookie_RAT {
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meta:
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description = "Detects TSCookie RAT"
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license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
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author = "Florian Roth (Nextron Systems)"
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reference = "http://blog.jpcert.or.jp/2018/03/malware-tscooki-7aa0.html"
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date = "2018-03-06"
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hash1 = "2bd13d63797864a70b775bd1994016f5052dc8fd1fd83ce1c13234b5d304330d"
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id = "a2b6c598-4498-5c0a-9257-b0bf6cd28de9"
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strings:
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$x1 = "[-] DecryptPassword_Outlook failed(err=%d)" fullword ascii
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$x2 = "----------------------- Firefox Passwords ------------------" fullword ascii
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$x3 = "--------------- Outlook Passwords ------------------" fullword ascii
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$x4 = "----------------------- IE Passwords ------------------" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 1000KB and (
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( pe.exports("DoWork") and pe.exports("PrintF") ) or
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1 of them
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)
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}
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