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MALPEDIA_Win_Maktub_Auto

autogenerated rule brought to you by yara-signator

MalwareMaktubMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compila con YARA-X
Autor
Felix Bilstein - yara-signator at cocacoding dot com
Fecha
2026-05-04
Modificada
2026-05-18
Puntuación / Calidad
75 / 73

Qué detecta esta regla

autogenerated rule brought to you by yara-signator

Familia de malware asociada: Maktub.

Define 22 patrones (0 de texto, 22 hex, 0 regex).

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

Código de la regla

win-maktub-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Maktub_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "bdd64d5e-7bca-594a-a4b8-23e7aea8b7aa"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.maktub"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.maktub_auto.yar#L1-L195"
		license_url = "N/A"
		logic_hash = "988faaca6a38b1fd1afff7ce22b03171fd885df693fdfe85d1ce608c9abb0b07"
		score = 75
		quality = 73
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { ffd0 f7d8 1bc0 f7d8 8be5 }
		$sequence_1 = { ff15???????? eb02 33db 8b4df4 }
		$sequence_2 = { ff15???????? f6c301 0f8414010000 8d46fc }
		$sequence_3 = { ff15???????? e9???????? a1???????? 3bc1 0f8deefeffff 8bf0 }
		$sequence_4 = { ff15???????? eb02 33c0 46 }
		$sequence_5 = { ff15???????? eb0a 57 6a08 }
		$sequence_6 = { ff15???????? f6c301 7432 8b75b8 }
		$sequence_7 = { ff7508 ffd7 50 ffd6 53 }
		$sequence_8 = { ff30 e8???????? 8bc7 5f 5e 5b }
		$sequence_9 = { 8d5005 e8???????? 8b45f8 8d4d08 }
		$sequence_10 = { 8d429f 663b442418 7767 8d42a9 }
		$sequence_11 = { 8d55ac 8d4d9c e8???????? 8bd0 }
		$sequence_12 = { 8d42a9 0fb7c0 43 0bc8 }
		$sequence_13 = { 8d5590 85c0 7507 837a0401 }
		$sequence_14 = { 8d42bf 663b442418 7705 8d42c9 }
		$sequence_15 = { 8d42d0 663b442410 761c 8d42bf }
		$sequence_16 = { 8d55ac 8d4d8c e8???????? 50 }
		$sequence_17 = { 8d4202 f30fe6c0 8901 f20f58c8 }
		$sequence_18 = { 8d5001 8911 c20400 55 }
		$sequence_19 = { 8d4fff 03ca 8a041e 46 8801 }
		$sequence_20 = { 8d42c9 eb0d 8d429f 663b442418 }
		$sequence_21 = { 8d5001 8955f0 8d4dd4 e8???????? }

	condition:
		7 of them and filesize < 3063808
}

Cadenas (22 patrones)

IdentificadorTipoValorModificadores
$sequence_0hex{ ffd0 f7d8 1bc0 f7d8 8be5 }
$sequence_1hex{ ff15???????? eb02 33db 8b4df4 }
$sequence_2hex{ ff15???????? f6c301 0f8414010000 8d46fc }
$sequence_3hex{ ff15???????? e9???????? a1???????? 3bc1 0f8deefeffff 8bf0 }
$sequence_4hex{ ff15???????? eb02 33c0 46 }
$sequence_5hex{ ff15???????? eb0a 57 6a08 }
$sequence_6hex{ ff15???????? f6c301 7432 8b75b8 }
$sequence_7hex{ ff7508 ffd7 50 ffd6 53 }
$sequence_8hex{ ff30 e8???????? 8bc7 5f 5e 5b }
$sequence_9hex{ 8d5005 e8???????? 8b45f8 8d4d08 }
$sequence_10hex{ 8d429f 663b442418 7767 8d42a9 }
$sequence_11hex{ 8d55ac 8d4d9c e8???????? 8bd0 }
$sequence_12hex{ 8d42a9 0fb7c0 43 0bc8 }
$sequence_13hex{ 8d5590 85c0 7507 837a0401 }
$sequence_14hex{ 8d42bf 663b442418 7705 8d42c9 }
$sequence_15hex{ 8d42d0 663b442410 761c 8d42bf }
$sequence_16hex{ 8d55ac 8d4d8c e8???????? 50 }
$sequence_17hex{ 8d4202 f30fe6c0 8901 f20f58c8 }
$sequence_18hex{ 8d5001 8911 c20400 55 }
$sequence_19hex{ 8d4fff 03ca 8a041e 46 8801 }
$sequence_20hex{ 8d42c9 eb0d 8d429f 663b442418 }
$sequence_21hex{ 8d5001 8955f0 8d4dd4 e8???????? }

Condición

7 of them and filesize < 3063808

En palabras sencillas (Heurística)

  • El archivo debe ocupar menos de 3063808 (un límite barato que descarta archivos grandes).
  • Deben coincidir al menos 7 patrones de la regla.

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Referencias

Licencia y atribución

Autor: Felix Bilstein - yara-signator at cocacoding dot com

Repositorio de origen: Malpedia signator rules @ c901f97b7d

Licencia: Creative Commons Attribution-ShareAlike 4.0 (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: bdd64d5e-7bca-594a-a4b8-23e7aea8b7aa

Metadatos

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Etiquetas:FILE