Sneed-Reactivity/yara-Neo23x0/crime_goldeneye.yar

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/*
Yara Rule Set
Author: Florian Roth
Date: 2016-12-06
Identifier: GoldenEye Ransomware
*/
/* Rule Set ----------------------------------------------------------------- */
rule GoldenEye_Ransomware_XLS {
meta:
description = "GoldenEye XLS with Macro - file Schneider-Bewerbung.xls"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "https://goo.gl/jp2SkT"
date = "2016-12-06"
hash1 = "2320d4232ee80cc90bacd768ba52374a21d0773c39895b88cdcaa7782e16c441"
id = "6eafcc35-56ef-534f-884a-0bb47c27c274"
strings:
$x1 = "fso.GetTempName();tmp_path = tmp_path.replace('.tmp', '.exe')" fullword ascii
$x2 = "var shell = new ActiveXObject('WScript.Shell');shell.run(t'" fullword ascii
condition:
( uint16(0) == 0xcfd0 and filesize < 4000KB and 1 of them )
}
rule GoldenEyeRansomware_Dropper_MalformedZoomit {
meta:
description = "Auto-generated rule"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "https://goo.gl/jp2SkT"
date = "2016-12-06"
hash1 = "b5ef16922e2c76b09edd71471dd837e89811c5e658406a8495c1364d0d9dc690"
id = "6ebf2d13-7d58-5a1b-a836-66d533f408e8"
strings:
$s1 = "ZoomIt - Sysinternals: www.sysinternals.com" fullword ascii
$n1 = "Mark Russinovich" wide
condition:
( uint16(0) == 0x5a4d and filesize < 800KB and $s1 and not $n1 )
}