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YARA · Malpedia signator rules

MALPEDIA_Win_Plead_Auto

autogenerated rule brought to you by yara-signator

MalwarePleadMalpedia 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: Plead.

Define 24 patrones (0 de texto, 24 hex, 0 regex).

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

Código de la regla

win-plead-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Plead_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "7e9e1e58-39f7-59e5-b3a4-1b007bd3b49b"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.plead"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.plead_auto.yar#L1-L235"
		license_url = "N/A"
		logic_hash = "472077a875ce718756c4b86321844910a5fcb198a9f726c61a5f321a6737bcb0"
		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 = { 56 50 e8???????? 59 59 5e c20400 }
		$sequence_1 = { 0f31 90 0145fc ff75fc ff15???????? }
		$sequence_2 = { 8d4514 53 50 56 53 6a05 }
		$sequence_3 = { 40 50 6a01 ff15???????? 83c40c 85c0 }
		$sequence_4 = { e8???????? 817d14e8030000 53 56 57 }
		$sequence_5 = { c745fcf8ffffff 3bf7 750c 895dfc }
		$sequence_6 = { 83c40c 85c0 7504 33c0 eb09 56 }
		$sequence_7 = { 56 897d14 e8???????? 83c40c 8d4514 53 }
		$sequence_8 = { 49 85d2 8945fc 741c 8b4508 }
		$sequence_9 = { 3de8030000 760f 8d44241c 50 }
		$sequence_10 = { 51 ff15???????? 33c0 81c418020000 }
		$sequence_11 = { 8bcf 81e1ff000080 7908 49 }
		$sequence_12 = { 6a00 6a00 ff15???????? 6a02 a3???????? 8b8c242c020000 51 }
		$sequence_13 = { 49 8975fc 75ec 8bc6 5e }
		$sequence_14 = { 8bd8 b941000000 33c0 8dbddcfeffff }
		$sequence_15 = { 6a01 50 ff15???????? 50 ff15???????? 33c0 }
		$sequence_16 = { 648b1530000000 8b520c 8b521c 8b5a08 }
		$sequence_17 = { 6a04 8d45fc 50 6805100000 68ffff0000 57 ff9698000000 }
		$sequence_18 = { ebc4 8345fc14 8b5dfc e9???????? 33c0 }
		$sequence_19 = { b800010000 e8???????? 85c0 7477 50 8bf8 }
		$sequence_20 = { 80cc02 8b4b10 85c9 751a f6c240 7408 8b4dfc }
		$sequence_21 = { 6a08 ff563c 50 ff5620 c3 50 6a00 }
		$sequence_22 = { 50 8bf8 668b4514 668907 }
		$sequence_23 = { 85c0 0f84a7000000 03403c 85c0 0f849c000000 }

	condition:
		7 of them and filesize < 8224768
}

Cadenas (24 patrones)

IdentificadorTipoValorModificadores
$sequence_0hex{ 56 50 e8???????? 59 59 5e c20400 }
$sequence_1hex{ 0f31 90 0145fc ff75fc ff15???????? }
$sequence_2hex{ 8d4514 53 50 56 53 6a05 }
$sequence_3hex{ 40 50 6a01 ff15???????? 83c40c 85c0 }
$sequence_4hex{ e8???????? 817d14e8030000 53 56 57 }
$sequence_5hex{ c745fcf8ffffff 3bf7 750c 895dfc }
$sequence_6hex{ 83c40c 85c0 7504 33c0 eb09 56 }
$sequence_7hex{ 56 897d14 e8???????? 83c40c 8d4514 53 }
$sequence_8hex{ 49 85d2 8945fc 741c 8b4508 }
$sequence_9hex{ 3de8030000 760f 8d44241c 50 }
$sequence_10hex{ 51 ff15???????? 33c0 81c418020000 }
$sequence_11hex{ 8bcf 81e1ff000080 7908 49 }
$sequence_12hex{ 6a00 6a00 ff15???????? 6a02 a3???????? 8b8c242c020000 51 }
$sequence_13hex{ 49 8975fc 75ec 8bc6 5e }
$sequence_14hex{ 8bd8 b941000000 33c0 8dbddcfeffff }
$sequence_15hex{ 6a01 50 ff15???????? 50 ff15???????? 33c0 }
$sequence_16hex{ 648b1530000000 8b520c 8b521c 8b5a08 }
$sequence_17hex{ 6a04 8d45fc 50 6805100000 68ffff0000 57 ff9698000000 }
$sequence_18hex{ ebc4 8345fc14 8b5dfc e9???????? 33c0 }
$sequence_19hex{ b800010000 e8???????? 85c0 7477 50 8bf8 }
$sequence_20hex{ 80cc02 8b4b10 85c9 751a f6c240 7408 8b4dfc }
$sequence_21hex{ 6a08 ff563c 50 ff5620 c3 50 6a00 }
$sequence_22hex{ 50 8bf8 668b4514 668907 }
$sequence_23hex{ 85c0 0f84a7000000 03403c 85c0 0f849c000000 }

Condición

7 of them and filesize < 8224768

En palabras sencillas (Heurística)

  • El archivo debe ocupar menos de 8224768 (un límite barato que descarta archivos grandes).
  • Deben coincidir al menos 7 patrones de la regla.

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

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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: 7e9e1e58-39f7-59e5-b3a4-1b007bd3b49b

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