YARA · Malpedia signator rules
MALPEDIA_Win_Wm_Rat_Auto
autogenerated rule brought to you by yara-signator
- Autor
- Felix Bilstein - yara-signator at cocacoding dot com
- Fecha
- 2026-05-04
- Modificada
- 2026-05-18
- Puntuación / Calidad
- 75 / 75
Qué detecta esta regla
autogenerated rule brought to you by yara-signator
Familia de malware asociada: Wm Rat.
Define 10 patrones (0 de texto, 10 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Wm_Rat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "747bdadd-c5ad-51c6-aa42-0fc395c36715"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.wm_rat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.wm_rat_auto.yar#L1-L132"
= "N/A"
= "915161228258a5b3eac41ee3f036022feee5d4f01a85152598b95c9fb0f4ab1f"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 8b442410 50 e8???????? 83c404 6a64 ffd6 }
$sequence_1 = { 50 ffd6 83c40c 8d8c24d4110000 51 b9???????? }
$sequence_2 = { 8d8c24600d0000 e9???????? 8b4c2424 51 ff15???????? 8b3d???????? 89442424 }
$sequence_3 = { 50 8d8424a43d0000 64a300000000 33db 68???????? 8d8c24b83d0000 899c24b03d0000 }
$sequence_4 = { b9???????? ff15???????? 8d9424d4120000 52 b9???????? ff15???????? 83ec1c }
$sequence_5 = { 8944242c 89442414 a1???????? c744240c00000000 c744241801000000 c744241c06000000 7305 }
$sequence_6 = { 8d44242c 50 e8???????? 83c40c ff15???????? 33c9 68ac010000 }
$sequence_7 = { 52 50 ffd1 8d7c2428 8bf0 e8???????? 8d7c2424 }
$sequence_8 = { 8b15???????? a1???????? 8b0d???????? 03c2 8b15???????? 89442414 db442414 }
$sequence_9 = { e8???????? 8d542408 c684247401000002 8b4c242c 52 e8???????? c684247401000004 }
condition:
7 of them and filesize < 258048
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8b442410 50 e8???????? 83c404 6a64 ffd6 } | |
| $sequence_1 | hex | { 50 ffd6 83c40c 8d8c24d4110000 51 b9???????? } | |
| $sequence_2 | hex | { 8d8c24600d0000 e9???????? 8b4c2424 51 ff15???????? 8b3d???????? 89442424 } | |
| $sequence_3 | hex | { 50 8d8424a43d0000 64a300000000 33db 68???????? 8d8c24b83d0000 899c24b03d0000 } | |
| $sequence_4 | hex | { b9???????? ff15???????? 8d9424d4120000 52 b9???????? ff15???????? 83ec1c } | |
| $sequence_5 | hex | { 8944242c 89442414 a1???????? c744240c00000000 c744241801000000 c744241c06000000 7305 } | |
| $sequence_6 | hex | { 8d44242c 50 e8???????? 83c40c ff15???????? 33c9 68ac010000 } | |
| $sequence_7 | hex | { 52 50 ffd1 8d7c2428 8bf0 e8???????? 8d7c2424 } | |
| $sequence_8 | hex | { 8b15???????? a1???????? 8b0d???????? 03c2 8b15???????? 89442414 db442414 } | |
| $sequence_9 | hex | { e8???????? 8d542408 c684247401000002 8b4c242c 52 e8???????? c684247401000004 } |
Condición
7 of them and filesize < 258048En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 258048 (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.
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)
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: 747bdadd-c5ad-51c6-aa42-0fc395c36715
Metadatos
| 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 |
Etiquetas:FILE
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