YARA · LOLDrivers

LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_E7AF

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_6.sys

Vulnerable / malicious driverLOLDriversApache License 2.0Compiles with YARA-X

Author: Florian Roth
Date: 2025-09-18
Modified: 2026-09-08
Score / Quality: 70 / 80

What this rule detects

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_6.sys

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-e7af.yarApache License 2.0

rule LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_E7AF
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_6.sys"
		author = "Florian Roth"
		id = "5f883209-6887-5cb4-96bb-988898d47c09"
		date = "2025-09-18"
		modified = "2026-09-08"
		reference = "https://github.com/magicsword-io/LOLDrivers"
		source_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/detections/yara/yara-rules_mal_drivers.yar#L984-L1006"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "e7af7bcb86bd6bab1835f610671c3921441965a839673ac34444cf0ce7b2164e"
		hash = "b9dad0131c51e2645e761b74a71ebad2bf175645fa9f42a4ab0e6921b83306e3"
		hash = "8d9a2363b757d3f127b9c6ed8f7b8b018e652369bc070aa3500b3a978feaa6ce"
		hash = "06a0ec9a316eb89cb041b1907918e3ad3b03842ec65f004f6fa74d57955573a4"
		logic_hash = "b4d12069a9a3a8d8d9bde9a4ed3f80f21f2654b6f96943d201933198678d01d9"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 00460069006c0065004400650073006300720069007000740069006f006e[1-8]00570041004e0020005400720061006e00730070006f007200740020004400720069007600650072 }
		$ = { 0043006f006d00700061006e0079004e0061006d0065[1-8]004d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e }
		$ = { 00460069006c006500560065007200730069006f006e[1-8]0036002e0031002e0037003600300030002e0031003100370032 }
		$ = { 00500072006f006400750063007400560065007200730069006f006e[1-8]0036002e0031002e0037003600300030002e0031003100370032 }
		$ = { 0049006e007400650072006e0061006c004e0061006d0065[1-8]00770061006e00740064002e007300790073 }
		$ = { 00500072006f0064007500630074004e0061006d0065[1-8]004d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e0067002000530079007300740065006d }
		$ = { 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]00770061006e00740064002e007300790073 }
		$ = { 004c006500670061006c0043006f0070007900720069006700680074[1-8]004d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e00200041006c006c0020007200690067006800740073002000720065007300650072007600650064002e }

	condition:
		all of them
}

Strings (8 patterns)

Identifier	Type	Value
$	hex	{ 00460069006c0065004400650073006300720069007000740069006f006e[1-8]00570041004e0020005400720061006e00730070006f007200740020004400720069007600650072 }
$	hex	{ 0043006f006d00700061006e0079004e0061006d0065[1-8]004d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e }
$	hex	{ 00460069006c006500560065007200730069006f006e[1-8]0036002e0031002e0037003600300030002e0031003100370032 }
$	hex	{ 00500072006f006400750063007400560065007200730069006f006e[1-8]0036002e0031002e0037003600300030002e0031003100370032 }
$	hex	{ 0049006e007400650072006e0061006c004e0061006d0065[1-8]00770061006e00740064002e007300790073 }
$	hex	{ 00500072006f0064007500630074004e0061006d0065[1-8]004d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e00670 …
$	hex	{ 004f0072006900670069006e0061006c00460069006c0065006e0061006d0065[1-8]00770061006e00740064002e007300790073 }
$	hex	{ 004c006500670061006c0043006f0070007900720069006700680074[1-8]004d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e002000410 …

Condition

all of them

In plain words (Heuristic)

All patterns in the rule must match.

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References

https://github.com/magicsword-io/LOLDrivers

Sample hashes

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

e7af7bcb86bd6bab1835f610671c3921441965a839673ac34444cf0ce7b2164e
b9dad0131c51e2645e761b74a71ebad2bf175645fa9f42a4ab0e6921b83306e3
8d9a2363b757d3f127b9c6ed8f7b8b018e652369bc070aa3500b3a978feaa6ce
06a0ec9a316eb89cb041b1907918e3ad3b03842ec65f004f6fa74d57955573a4

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: 5f883209-6887-5cb4-96bb-988898d47c09

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