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SEKOIA_Apt_Mustangpanda_Malicious_Lnk_Worm

Detects MustangPanda infected ThumbDrive

APT / threat actorSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2023-09-21
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detects MustangPanda infected ThumbDrive

It defines 1 patterns (1 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

apt-mustangpanda-malicious-lnk-worm.yarDetection Rule License 1.1
rule SEKOIA_Apt_Mustangpanda_Malicious_Lnk_Worm : FILE
{
	meta:
		description = "Detects MustangPanda infected ThumbDrive"
		author = "Sekoia.io"
		id = "e7cc5ecc-2369-49ff-9e35-c9faeb69acda"
		date = "2023-09-21"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_mustangpanda_malicious_lnk_worm.yar#L1-L16"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "ca19a925af695cbbb41fdfbb161dceafeb8aae6d42000cc09bb07e1dbdfdb9e5"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = "RECYCLER.BIN\\1\\CEFHelper.exe" wide

	condition:
		uint32be( 0 ) == 0x4C000000 and 1 of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$s1text"RECYCLER.BIN\\1\\CEFHelper.exe"wide

Condition

uint32be( 0 ) == 0x4C000000 and 1 of them

In plain words (Heuristic)

  • The file must start with the Windows shortcut (LNK) header.
  • At least 1 patterns in the rule must match.

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References

Licence & attribution

Author: Sekoia.io

Source repository: SEKOIA.IO Community @ a438a5901a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: e7cc5ecc-2369-49ff-9e35-c9faeb69acda

Metadata

version1.0
classificationTLP:CLEAR

Tags:FILE