signature-base/yara/crime_eternalrocks.yar

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/*
Yara Rule Set
Author: Florian Roth
Date: 2017-05-18
Identifier: EternalRocks
Reference: https://twitter.com/stamparm/status/864865144748298242
*/
/* Rule Set ----------------------------------------------------------------- */
rule EternalRocks_taskhost {
meta:
description = "Detects EternalRocks Malware - file taskhost.exe"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "https://twitter.com/stamparm/status/864865144748298242"
date = "2017-05-18"
hash1 = "cf8533849ee5e82023ad7adbdbd6543cb6db596c53048b1a0c00b3643a72db30"
strings:
$x1 = "EternalRocks.exe" fullword wide
$s1 = "sTargetIP" fullword ascii
$s2 = "SERVER_2008R2_SP0" fullword ascii
$s3 = "20D5CCEE9C91A1E61F72F46FA117B93FB006DB51" fullword ascii
$s4 = "9EBF75119B8FC7733F77B06378F9E735D34664F6" fullword ascii
condition:
( uint16(0) == 0x5a4d and filesize < 15000KB and 1 of ($x*) or 3 of them )
}
rule EternalRocks_svchost {
meta:
description = "Detects EternalRocks Malware - file taskhost.exe"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "https://twitter.com/stamparm/status/864865144748298242"
date = "2017-05-18"
hash1 = "589af04a85dc66ec6b94123142a17cf194decd61f5d79e76183db026010e0d31"
strings:
$s1 = "WczTkaJphruMyBOQmGuNRtSNTLEs" fullword ascii
$s2 = "svchost.taskhost.exe" fullword ascii
$s3 = "ConfuserEx v" ascii
condition:
( uint16(0) == 0x5a4d and filesize < 500KB and 2 of them )
}