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YARA · LOLDrivers

LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_81C7

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_3.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.

Driver vulnerable / maliciosoLOLDriversApache License 2.0Compila con YARA-X
Autor
Florian Roth
Fecha
2025-09-18
Modificada
2026-04-28
Puntuación / Calidad
70 / 80

Qué detecta esta regla

Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_3.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.

Define 8 patrones (0 de texto, 8 hex, 0 regex).

Resumen generado a partir de los metadatos y la condición de la regla.

Código de la regla

mal-driver-microsoftcorporation-wantdsys-microsoftwindowsoperatingsystem-81c7.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_Microsoftcorporation_Wantdsys_Microsoftwindowsoperatingsystem_81C7
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - wantd_3.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 = "c11f392b-b6c6-5158-90d1-715c87fa3591"
		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#L962-L982"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "81c7bb39100d358f8286da5e9aa838606c98dfcc263e9a82ed91cd438cb130d1"
		logic_hash = "5f24b13eb3f9a5c863e43fe39ff1bc6e6bb67928aa62b7179d315836a0421952"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]570041004e0020005400720061006e00730070006f00720074002000440072006900760065007200 }
		$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
		$ = { 460069006c006500560065007200730069006f006e00[1-8]35002e0032002e0033003700390030002e00390033003800 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]35002e0032002e0033003700390030002e00390033003800 }
		$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]770061006e00740064002e00730079007300 }
		$ = { 500072006f0064007500630074004e0061006d006500[1-8]4d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e0067002000530079007300740065006d00 }
		$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]770061006e00740064002e00730079007300 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e00200041006c006c0020007200690067006800740073002000720065007300650072007600650064002e00 }

	condition:
		all of them
}

Cadenas (8 patrones)

IdentificadorTipoValorModificadores
$hex{ 460069006c0065004400650073006300720069007000740069006f006e00[1-8]570041004e0020005400720061006e00730070006f00720074002000440072006900760065007200 }
$hex{ 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
$hex{ 460069006c006500560065007200730069006f006e00[1-8]35002e0032002e0033003700390030002e00390033003800 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]35002e0032002e0033003700390030002e00390033003800 }
$hex{ 49006e007400650072006e0061006c004e0061006d006500[1-8]770061006e00740064002e00730079007300 }
$hex{ 500072006f0064007500630074004e0061006d006500[1-8]4d006900630072006f0073006f00660074002000570069006e0064006f007700730020004f007000650072006100740069006e0067002 …
$hex{ 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]770061006e00740064002e00730079007300 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e002e00200041006 …

Condición

all of them

En palabras sencillas (Heurística)

  • Deben coincidir todos los patrones de la regla.

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Referencias

Hashes de muestras

Hashes de las muestras que el autor lista en los metadatos de la regla (búscalos en tu plataforma de threat intelligence).

  • 81c7bb39100d358f8286da5e9aa838606c98dfcc263e9a82ed91cd438cb130d1

Licencia y atribución

Autor: Florian Roth

Repositorio de origen: LOLDrivers @ 9fa32adeab

Licencia: Apache License 2.0 (licencia del repositorio)

Regla original

Obtenida a través de YARA Forge 20260927, que añade a los nombres el prefijo de la fuente y campos meta normalizados.

Id de la regla: c11f392b-b6c6-5158-90d1-715c87fa3591