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YARA · LOLDrivers

LOLDRIVERS_MAL_Driver_Microsoftcorporation_Ntbiosys_Microsoftrwindowsrntoperatingsystem_96BF

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

Pilote vulnérable / malveillantLOLDriversApache License 2.0Compile avec YARA-X
Auteur
Florian Roth
Date
2026-04-28
Modifiée
2026-09-08
Score / Qualité
70 / 80

Ce que détecte cette règle

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

Elle définit 8 motifs (0 texte, 8 hex, 0 regex).

Résumé généré à partir des métadonnées et de la condition de la règle.

Source de la règle

mal-driver-microsoftcorporation-ntbiosys-microsoftrwindowsrntoperatingsystem-96bf.yarApache License 2.0
rule LOLDRIVERS_MAL_Driver_Microsoftcorporation_Ntbiosys_Microsoftrwindowsrntoperatingsystem_96BF
{
	meta:
		description = "Detects malicious driver mentioned in LOLDrivers project using VersionInfo values from the PE header - ntbios.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 = "cbf1f033-3c26-5aac-841e-881d0061b647"
		date = "2026-04-28"
		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#L850-L870"
		license_url = "https://github.com/magicsword-io/LOLDrivers//blob/9fa32adeab865455de8b24cba0bbc0f3439d59f7/LICENSE"
		hash = "96bf3ee7c6673b69c6aa173bb44e21fa636b1c2c73f4356a7599c121284a51cc"
		hash = "c0d88db11d0f529754d290ed5f4c34b4dba8c4f2e5c4148866daabeab0d25f9c"
		logic_hash = "139d8b63b53e2c6db2ceb2f0509599c23b854c2b4c02e37cc226ed36589ed5e9"
		score = 70
		quality = 80
		tags = ""

	strings:
		$ = { 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6e007400620069006f0073002000640072006900760065007200 }
		$ = { 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
		$ = { 460069006c006500560065007200730069006f006e00[1-8]35002c00200030002c00200032002c0020003100 }
		$ = { 500072006f006400750063007400560065007200730069006f006e00[1-8]35002c00200030002c00200032002c0020003100 }
		$ = { 49006e007400650072006e0061006c004e0061006d006500[1-8]6e007400620069006f002e00730079007300 }
		$ = { 500072006f0064007500630074004e0061006d006500[1-8]20004d006900630072006f0073006f00660074002800520029002000570069006e0064006f0077007300200028005200290020004e00540020004f007000650072006100740069006e0067002000530079007300740065006d00 }
		$ = { 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6e007400620069006f0073002e00730079007300 }
		$ = { 4c006500670061006c0043006f007000790072006900670068007400[1-8]4872436740620967200028004300290020003200300030003300 }

	condition:
		all of them
}

Chaînes (8 motifs)

IdentifiantTypeValeurModificateurs
$hex{ 460069006c0065004400650073006300720069007000740069006f006e00[1-8]6e007400620069006f0073002000640072006900760065007200 }
$hex{ 43006f006d00700061006e0079004e0061006d006500[1-8]4d006900630072006f0073006f0066007400200043006f00720070006f0072006100740069006f006e00 }
$hex{ 460069006c006500560065007200730069006f006e00[1-8]35002c00200030002c00200032002c0020003100 }
$hex{ 500072006f006400750063007400560065007200730069006f006e00[1-8]35002c00200030002c00200032002c0020003100 }
$hex{ 49006e007400650072006e0061006c004e0061006d006500[1-8]6e007400620069006f002e00730079007300 }
$hex{ 500072006f0064007500630074004e0061006d006500[1-8]20004d006900630072006f0073006f00660074002800520029002000570069006e0064006f0077007300200028005200290020004e005 …
$hex{ 4f0072006900670069006e0061006c00460069006c0065006e0061006d006500[1-8]6e007400620069006f0073002e00730079007300 }
$hex{ 4c006500670061006c0043006f007000790072006900670068007400[1-8]4872436740620967200028004300290020003200300030003300 }

Condition

all of them

En clair (Heuristique)

  • Tous les motifs de la règle doivent être trouvés.

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Références

Hashes d’échantillons

Hashes des échantillons listés par l’auteur dans les métadonnées de la règle (à rechercher dans votre plateforme de threat intelligence).

  • 96bf3ee7c6673b69c6aa173bb44e21fa636b1c2c73f4356a7599c121284a51cc
  • c0d88db11d0f529754d290ed5f4c34b4dba8c4f2e5c4148866daabeab0d25f9c

Licence et attribution

Auteur : Florian Roth

Dépôt source : LOLDrivers @ 9fa32adeab

Licence : Apache License 2.0 (licence du dépôt)

Règle d’origine

Reprise via YARA Forge 20260927, qui préfixe les noms de règles par la source et ajoute des champs meta normalisés.

Identifiant de règle: cbf1f033-3c26-5aac-841e-881d0061b647