mirror of
https://github.com/valitydev/signature-base.git
synced 2024-11-06 10:05:18 +00:00
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
|
|
/*
|
|
Yara Rule Set
|
|
Author: Florian Roth
|
|
Date: 2016-02-05
|
|
Identifier: Powerkatz
|
|
*/
|
|
|
|
rule Powerkatz_DLL_Generic {
|
|
meta:
|
|
description = "Detects Powerkatz - a Mimikatz version prepared to run in memory via Powershell (overlap with other Mimikatz versions is possible)"
|
|
license = "https://creativecommons.org/licenses/by-nc/4.0/"
|
|
author = "Florian Roth"
|
|
reference = "PowerKatz Analysis"
|
|
date = "2016-02-05"
|
|
super_rule = 1
|
|
score = 80
|
|
hash1 = "c20f30326fcebad25446cf2e267c341ac34664efad5c50ff07f0738ae2390eae"
|
|
hash2 = "1e67476281c1ec1cf40e17d7fc28a3ab3250b474ef41cb10a72130990f0be6a0"
|
|
hash3 = "49e7bac7e0db87bf3f0185e9cf51f2539dbc11384fefced465230c4e5bce0872"
|
|
strings:
|
|
$s1 = "%3u - Directory '%s' (*.kirbi)" fullword wide
|
|
$s2 = "%*s pPublicKey : " fullword wide
|
|
$s4 = "<3 eo.oe ~ ANSSI E>" fullword wide
|
|
$s5 = "\\*.kirbi" fullword wide
|
|
|
|
$c1 = "kuhl_m_lsadump_getUsersAndSamKey ; kull_m_registry_RegOpenKeyEx SAM Accounts (0x%08x)" fullword wide
|
|
$c2 = "kuhl_m_lsadump_getComputerAndSyskey ; kuhl_m_lsadump_getSyskey KO" fullword wide
|
|
condition:
|
|
( uint16(0) == 0x5a4d and filesize < 1000KB and 1 of them ) or 2 of them
|
|
}
|