YARA · Malpedia signator rules
MALPEDIA_Win_Buzus_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: Buzus.
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_Buzus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "84cc3e01-bbd0-5bc2-9173-9fdc0de50043"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.buzus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.buzus_auto.yar#L1-L125"
= "N/A"
= "9bb9e183d3e45fd5f8a6ca9a1a6dae090d02d4c89d1d9cc9c484a91a382cc272"
= 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 = { 53 53 6a02 53 53 8d85ccfdffff 6800000040 }
$sequence_1 = { 59 1bc0 59 83e007 e9???????? ff7508 be04010000 }
$sequence_2 = { 50 e8???????? 8dbc0606010000 8b35???????? 57 }
$sequence_3 = { ff15???????? 8bc6 59 69c018020000 }
$sequence_4 = { e8???????? 8a85b0faffff 59 3a05???????? 59 0f85a0000000 }
$sequence_5 = { 8d45c8 50 56 e8???????? 57 56 }
$sequence_6 = { 6a01 58 eb60 50 ff36 e8???????? 59 }
$sequence_7 = { 68???????? 68???????? e9???????? 8d851cfdffff 50 6804010000 }
$sequence_8 = { 57 ff15???????? 83f8ff 0f84e5060000 56 6889000000 68???????? }
$sequence_9 = { ff760c 8945cc ff15???????? 83c40c 83f803 8945b8 }
condition:
7 of them and filesize < 679936
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 53 53 6a02 53 53 8d85ccfdffff 6800000040 } | |
| $sequence_1 | hex | { 59 1bc0 59 83e007 e9???????? ff7508 be04010000 } | |
| $sequence_2 | hex | { 50 e8???????? 8dbc0606010000 8b35???????? 57 } | |
| $sequence_3 | hex | { ff15???????? 8bc6 59 69c018020000 } | |
| $sequence_4 | hex | { e8???????? 8a85b0faffff 59 3a05???????? 59 0f85a0000000 } | |
| $sequence_5 | hex | { 8d45c8 50 56 e8???????? 57 56 } | |
| $sequence_6 | hex | { 6a01 58 eb60 50 ff36 e8???????? 59 } | |
| $sequence_7 | hex | { 68???????? 68???????? e9???????? 8d851cfdffff 50 6804010000 } | |
| $sequence_8 | hex | { 57 ff15???????? 83f8ff 0f84e5060000 56 6889000000 68???????? } | |
| $sequence_9 | hex | { ff760c 8945cc ff15???????? 83c40c 83f803 8945b8 } |
Condición
7 of them and filesize < 679936En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 679936 (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: 84cc3e01-bbd0-5bc2-9173-9fdc0de50043
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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