YARA · Malpedia signator rules
MALPEDIA_Win_Brutpos_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: Brutpos.
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_Brutpos_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bb6abccd-59b3-5a30-9e67-ccbe498737a5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.brutpos"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.brutpos_auto.yar#L1-L117"
= "N/A"
= "89d0bc6a7e52ba9f63dface96ebbf483b03be0cbf8144ed32f3b88bf360b4eda"
= 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 58 83c004 83e904 8808 }
$sequence_1 = { 03c2 034508 2938 83e902 75e8 ebd9 5e }
$sequence_2 = { 8d5b18 8b5b60 03d8 52 8b35???????? }
$sequence_3 = { 6681f9df77 7412 0f31 8bd8 }
$sequence_4 = { 8bd0 ad 8bc8 83e908 66ad 6685c0 740c }
$sequence_5 = { 8d7c38fc baffffffff 83c704 57 }
$sequence_6 = { 66ad 6685c0 740c 25ff0f0000 03c2 034508 }
$sequence_7 = { 52 e8???????? 59 8b09 8bd1 }
$sequence_8 = { c1e202 03d3 8b12 03d0 }
$sequence_9 = { 8b5508 8b4204 0fb70a 50 51 807401ff97 }
condition:
7 of them and filesize < 65536
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 59 58 83c004 83e904 8808 } | |
| $sequence_1 | hex | { 03c2 034508 2938 83e902 75e8 ebd9 5e } | |
| $sequence_2 | hex | { 8d5b18 8b5b60 03d8 52 8b35???????? } | |
| $sequence_3 | hex | { 6681f9df77 7412 0f31 8bd8 } | |
| $sequence_4 | hex | { 8bd0 ad 8bc8 83e908 66ad 6685c0 740c } | |
| $sequence_5 | hex | { 8d7c38fc baffffffff 83c704 57 } | |
| $sequence_6 | hex | { 66ad 6685c0 740c 25ff0f0000 03c2 034508 } | |
| $sequence_7 | hex | { 52 e8???????? 59 8b09 8bd1 } | |
| $sequence_8 | hex | { c1e202 03d3 8b12 03d0 } | |
| $sequence_9 | hex | { 8b5508 8b4204 0fb70a 50 51 807401ff97 } |
Condición
7 of them and filesize < 65536En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 65536 (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: bb6abccd-59b3-5a30-9e67-ccbe498737a5
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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