YARA · Signature Base (Florian Roth / Nextron)
SIGNATURE_BASE_Cobaltstrike_MZ_Launcher
Detects CobaltStrike MZ header ReflectiveLoader launcher
Hack toolCobalt StrikeSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compiles with YARA-X
- Author
- yara@s3c.za.net
- Date
- 2021-07-08
- Modified
- 2023-12-05
- Score / Quality
- 75 / 85
What this rule detects
Detects CobaltStrike MZ header ReflectiveLoader launcher
Associated malware family: Cobalt Strike.
It defines 1 patterns (0 text, 1 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
cobaltstrike-mz-launcher.yarDetection Rule License 1.1
rule SIGNATURE_BASE_Cobaltstrike_MZ_Launcher
{
meta:
= "Detects CobaltStrike MZ header ReflectiveLoader launcher"
= "yara@s3c.za.net"
= "461a4741-11c5-53d9-b8e1-52d64cfe755b"
= "2021-07-08"
= "2023-12-05"
= "https://github.com/Neo23x0/signature-base"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/apt_cobaltstrike_evasive.yar#L297-L307"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
= "aa188546db138dffdcdbf6538367b5d5bc37638a2784b24b7fcd913c15e56072"
= 75
= 85
= ""
strings:
$mz_launcher = { 4D 5A 41 52 55 48 89 E5 48 81 EC 20 00 00 00 48 8D 1D }
condition:
$mz_launcher
}
Strings (1 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $mz_launcher | hex | { 4D 5A 41 52 55 48 89 E5 48 81 EC 20 00 00 00 48 8D 1D } |
Condition
$mz_launcherIn plain words (Heuristic)
- Pattern $mz_launcher must be present.
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Licence & attribution
Author: yara@s3c.za.net
Source repository: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a
Licence: Detection Rule License 1.1 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 461a4741-11c5-53d9-b8e1-52d64cfe755b
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