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LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_6908

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_2.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious.

Vulnerable / malicious driverLOLDriversApache License 2.0Compiles with YARA-X
Author
Florian Roth
Date
2025-09-18
Modified
2026-04-28
Score / Quality
70 / 80

What this rule detects

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_2.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious.

It defines 8 patterns (0 text, 8 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
mal-driver-microsoftcorporation-wantdsys-microsoftwindowsoperatingsystem-6908.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_6908
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_2.sys. Investigate matches in context: expected filenames or standard vendor/system driver locations can be lower priority, while unexpected filenames or paths are more suspicious."
		author = "Florian Roth"
		id = "f0537343-c4e8-55c9-a82e-45ec1b05e60d"
		date = "2025-09-18"
		modified = "2026-04-28"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		source_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/detections/yara/yara-rules_mal_drivers.yar#L940-L960"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "6908ebf52eb19c6719a0b508d1e2128f198d10441551cbfb9f4031d382f5229f"
		logic_hash = "bc1f89fd51c08995cdcf3090db6d3de1f96abc7193e6a71ac7d758f9c68f0def"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]570041004e0020005400720061006e00730070006f00720074002000440072006900760065007200 }
		$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
		$ = { 460069006c006500560065007200730069006f006e00[1-8]36002e0031002e0037003600300030002e00390033003800 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]36002e0031002e0037003600300030002e00390033003800 }
		$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]770061006e00740064002e00730079007300 }
		$ = { 500072006f0064007500630074004e0061006d006500[1-8]4d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e0067002000530079007300740065006d00 }
		$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]770061006e00740064002e00730079007300 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e00200041006c006c0020007200690067006800740073002000720065007300650072007600650064002e00 }

	condition:
		all of them
}

Strings (8 patterns)

IdentifierTypeValueModifiers
$hex{ 460069006c0065004400650073006300720069007000740069006f006e00[1-8]570041004e0020005400720061006e00730070006f00720074002000440072006900760065007200 }
$hex{ 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
$hex{ 460069006c006500560065007200730069006f006e00[1-8]36002e0031002e0037003600300030002e00390033003800 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]36002e0031002e0037003600300030002e00390033003800 }
$hex{ 49006e007400650072006e0061006c004e0061006d006500[1-8]770061006e00740064002e00730079007300 }
$hex{ 500072006f0064007500630074004e0061006d006500[1-8]4d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e0067002 …
$hex{ 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]770061006e00740064002e00730079007300 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e00200041006 …

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • 6908ebf52eb19c6719a0b508d1e2128f198d10441551cbfb9f4031d382f5229f

Licence & attribution

Author: Florian Roth

Source repository: LOLDrivers @ 9fa32adeab

Licence: Apache License 2.0 (repository licence)

Original rule

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

Rule id: f0537343-c4e8-55c9-a82e-45ec1b05e60d

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