YARA · Malpedia signator rules
MALPEDIA_Win_Buterat_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: Buterat.
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_Buterat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "50d92a3f-78d1-58e1-8ee4-7ac7cabb0190"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.buterat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.buterat_auto.yar#L1-L122"
= "N/A"
= "f18323dbd62ec255a3bc886f59587abbdccfc69605ccff661141521c212ccc12"
= 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 = { 59 50 8d85fcf7ffff 50 57 ff15???????? }
$sequence_1 = { 8b4e04 894c2418 51 752c 8b9700ec4100 e8???????? 8b9700ec4100 }
$sequence_2 = { 1bc0 2500000100 0bf0 837df400 740b ff75f4 e8???????? }
$sequence_3 = { 56 57 6a02 56 56 68000000c0 }
$sequence_4 = { 0bf0 8b45e8 85c0 7407 }
$sequence_5 = { 39742408 8944240c 741c 8d4c2410 }
$sequence_6 = { 7520 e8???????? 8b3c9d68f24100 2bf9 99 f7ff 42 }
$sequence_7 = { 83ff04 7530 837df001 7e2a ff75f4 8d45f8 }
$sequence_8 = { 744c 7e45 8d8df4efffff 8d4601 51 bb???????? }
$sequence_9 = { 895dfc e8???????? 8d85b8fdffff 50 ba???????? }
condition:
7 of them and filesize < 278528
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 59 50 8d85fcf7ffff 50 57 ff15???????? } | |
| $sequence_1 | hex | { 8b4e04 894c2418 51 752c 8b9700ec4100 e8???????? 8b9700ec4100 } | |
| $sequence_2 | hex | { 1bc0 2500000100 0bf0 837df400 740b ff75f4 e8???????? } | |
| $sequence_3 | hex | { 56 57 6a02 56 56 68000000c0 } | |
| $sequence_4 | hex | { 0bf0 8b45e8 85c0 7407 } | |
| $sequence_5 | hex | { 39742408 8944240c 741c 8d4c2410 } | |
| $sequence_6 | hex | { 7520 e8???????? 8b3c9d68f24100 2bf9 99 f7ff 42 } | |
| $sequence_7 | hex | { 83ff04 7530 837df001 7e2a ff75f4 8d45f8 } | |
| $sequence_8 | hex | { 744c 7e45 8d8df4efffff 8d4601 51 bb???????? } | |
| $sequence_9 | hex | { 895dfc e8???????? 8d85b8fdffff 50 ba???????? } |
Condición
7 of them and filesize < 278528En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 278528 (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: 50d92a3f-78d1-58e1-8ee4-7ac7cabb0190
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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