YARA rules for Crimson
2 rules · scoped to tool · back to Crimson
YARA rules whose family, name, or description matches this tool or its tooling. Use these for binary-pattern hunts.
rule CrimsonRAT_Mar18_1 {
meta:
description = "Detects CrimsonRAT malware"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "Internal Research"
date = "2018-03-06"
hash1 = "acf2e8013b6fafcf436d5a05049896504ffa2e982bca05155d19981d1931c611"
hash2 = "7ca6e5ef1d346ec35993c910128a3526b098a07445131784a9358bf5679e3975"
hash3 = "be4264973de9886caedae1cb707586588d0da85ac7a2ad277db4258033ea12a8"
hash4 = "acf2e8013b6fafcf436d5a05049896504ffa2e982bca05155d19981d1931c611"
hash5 = "ff52b4a64ed7caeab00350e493968dbdb159aeb545fcba67d83ab9b158464de4"
id = "af21876c-f99d-5307-abba-02c57ee93df0"
strings:
$x1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run|" wide
$x2 = "\\Release\\RTLBot.pdb" ascii
$x3 = "cmd.exe/c systeminfo >> 1.txt" fullword wide
$x4 = "/online >> Get online target with important info" fullword wide
$x5 = "/screen >> ScreenShot from target PC" fullword wide
$x6 = "/restart >> Restart Target PC" fullword wide
$x7 = "/log_key >> Get log key file" fullword wide
$a1 = "get_ShiftKey" fullword ascii
$a2 = "get_ControlKey" fullword ascii
$a3 = "get_AltKey" fullword ascii
$a4 = "get_MineInterval" fullword ascii
$fp1 = "Copyright Software Secure" wide
condition:
uint16(0) == 0x5a4d and filesize < 400KB and ( 1 of ($x*) or all of ($a*) )
and not 1 of ($fp*)
}
rule ProjectM_CrimsonDownloader {
meta:
description = "Detects ProjectM Malware"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "http://researchcenter.paloaltonetworks.com/2016/03/unit42-projectm-link-found-between-pakistani-actor-and-operation-transparent-tribe/"
date = "2016-03-26"
hash = "dc8bd60695070152c94cbeb5f61eca6e4309b8966f1aa9fdc2dd0ab754ad3e4c"
id = "2e0658c9-a93d-5eef-93a2-eb1ab29acaee"
strings:
$x1 = "E:\\Projects\\m_project\\main\\mj shoaib"
$s1 = "\\obj\\x86\\Debug\\secure_scan.pdb" ascii
$s2 = "secure_scan.exe" fullword wide
$s3 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run|mswall" fullword wide
$s4 = "secure_scan|mswall" fullword wide
$s5 = "[Microsoft-Security-Essentials]" fullword wide
condition:
( uint16(0) == 0x5a4d and filesize < 400KB and $x1 ) or ( all of them )
}