Saltar al contenido

YARA · Malpedia signator rules

MALPEDIA_Win_Lumma_Auto

autogenerated rule brought to you by yara-signator

MalwareLummaMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compila con YARA-X (con avisos)
Autor
Felix Bilstein - yara-signator at cocacoding dot com
Fecha
2026-05-04
Modificada
2026-05-18
Puntuación / Calidad
75 / 71

Qué detecta esta regla

autogenerated rule brought to you by yara-signator

Familia de malware asociada: Lumma.

Define 21 patrones (0 de texto, 21 hex, 0 regex).

YARA-X dice: warning[text_as_hex]: hex pattern could be written as text literal

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

Código de la regla

win-lumma-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Lumma_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f2244960-3b18-5468-827a-79d29ee0dbef"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.lumma"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.lumma_auto.yar#L1-L195"
		license_url = "N/A"
		logic_hash = "0e65c60ec7841d9a3110bc5423f06dcbfbc8da401420dfec59cc9b0939489cdf"
		score = 75
		quality = 71
		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 = { 57 53 ff767c ff7678 ff7644 }
		$sequence_1 = { 894614 8b461c c1e002 50 }
		$sequence_2 = { ff7678 ff7644 ff563c 83c414 }
		$sequence_3 = { ffd0 83c40c 894648 85c0 }
		$sequence_4 = { 833800 740a e8???????? 833822 }
		$sequence_5 = { 66894316 0fb7560e 0fb74e0c e8???????? }
		$sequence_6 = { 8b4610 894320 8b4614 894328 }
		$sequence_7 = { 66894338 8b4626 89433c 8b462a 894340 }
		$sequence_8 = { 017e78 83567c00 017e68 83566c00 }
		$sequence_9 = { 83c40c 6a02 6804010000 e8???????? }
		$sequence_10 = { 01c9 39dd ba00000000 19c2 }
		$sequence_11 = { 234608 7418 8b8684000000 29f8 }
		$sequence_12 = { 01dc 41 5d 41 }
		$sequence_13 = { 0f94c3 89d5 09cd 0f95c7 30df 7514 837e6c00 }
		$sequence_14 = { 31c0 837e3808 0f94c0 294628 }
		$sequence_15 = { 01e8 56 ff742424 50 }
		$sequence_16 = { 49 c7c600000000 44 8b5510 44 8b750c }
		$sequence_17 = { 50 57 ff7618 e8???????? 83c40c 894618 }
		$sequence_18 = { 56 41 57 41 54 41 }
		$sequence_19 = { 30df 7514 837e6c00 750e 8b6e68 837c242804 }
		$sequence_20 = { 50 55 e8???????? 83c40c 8b4b04 }

	condition:
		7 of them and filesize < 1115136
}

Cadenas (21 patrones)

IdentificadorTipoValorModificadores
$sequence_0hex{ 57 53 ff767c ff7678 ff7644 }
$sequence_1hex{ 894614 8b461c c1e002 50 }
$sequence_2hex{ ff7678 ff7644 ff563c 83c414 }
$sequence_3hex{ ffd0 83c40c 894648 85c0 }
$sequence_4hex{ 833800 740a e8???????? 833822 }
$sequence_5hex{ 66894316 0fb7560e 0fb74e0c e8???????? }
$sequence_6hex{ 8b4610 894320 8b4614 894328 }
$sequence_7hex{ 66894338 8b4626 89433c 8b462a 894340 }
$sequence_8hex{ 017e78 83567c00 017e68 83566c00 }
$sequence_9hex{ 83c40c 6a02 6804010000 e8???????? }
$sequence_10hex{ 01c9 39dd ba00000000 19c2 }
$sequence_11hex{ 234608 7418 8b8684000000 29f8 }
$sequence_12hex{ 01dc 41 5d 41 }
$sequence_13hex{ 0f94c3 89d5 09cd 0f95c7 30df 7514 837e6c00 }
$sequence_14hex{ 31c0 837e3808 0f94c0 294628 }
$sequence_15hex{ 01e8 56 ff742424 50 }
$sequence_16hex{ 49 c7c600000000 44 8b5510 44 8b750c }
$sequence_17hex{ 50 57 ff7618 e8???????? 83c40c 894618 }
$sequence_18hex{ 56 41 57 41 54 41 }
$sequence_19hex{ 30df 7514 837e6c00 750e 8b6e68 837c242804 }
$sequence_20hex{ 50 55 e8???????? 83c40c 8b4b04 }

Condición

7 of them and filesize < 1115136

En palabras sencillas (Heurística)

  • El archivo debe ocupar menos de 1115136 (un límite barato que descarta archivos grandes).
  • Deben coincidir al menos 7 patrones de la regla.

Prueba esta regla en tu navegador

Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.

Arrastra un archivo aquí o haz clic para elegirSe escanea en local con YARA-X. Archivos de hasta 200 MB.

Abrir en el editor

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: f2244960-3b18-5468-827a-79d29ee0dbef

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

Más reglas de Lumma