YARA · Malpedia signator rules
MALPEDIA_Win_Bouncer_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: Bouncer.
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_Bouncer_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bbee767a-0e22-57ba-9f52-4d9f85122434"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.bouncer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.bouncer_auto.yar#L1-L120"
= "N/A"
= "39b37e493efe2469eb26371e5b3ea0d6d9f8914acd8cee091db44cfd373382c3"
= 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 = { 56 50 e8???????? 8d85a0fbffff c645d02d 50 }
$sequence_1 = { 7408 50 ff15???????? 59 33c0 5f }
$sequence_2 = { 7444 81ffea000000 743c 39750c 751a 57 }
$sequence_3 = { 8d859cfaffff 50 ff15???????? 3bc6 8945fc }
$sequence_4 = { 8945c0 0f846f110000 8935???????? 395dc4 0f8460110000 }
$sequence_5 = { 7431 39750c 68???????? 750e }
$sequence_6 = { 53 8d45e0 57 50 a1???????? 6a04 ff750c }
$sequence_7 = { 3b8db4feffff 72f0 eb7a 8b85b4feffff 48 3bc8 }
$sequence_8 = { 8d85a4faffff c645c82e 50 e8???????? 8945dc 8d45c8 50 }
$sequence_9 = { 48 7417 48 752f }
condition:
7 of them and filesize < 335872
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 56 50 e8???????? 8d85a0fbffff c645d02d 50 } | |
| $sequence_1 | hex | { 7408 50 ff15???????? 59 33c0 5f } | |
| $sequence_2 | hex | { 7444 81ffea000000 743c 39750c 751a 57 } | |
| $sequence_3 | hex | { 8d859cfaffff 50 ff15???????? 3bc6 8945fc } | |
| $sequence_4 | hex | { 8945c0 0f846f110000 8935???????? 395dc4 0f8460110000 } | |
| $sequence_5 | hex | { 7431 39750c 68???????? 750e } | |
| $sequence_6 | hex | { 53 8d45e0 57 50 a1???????? 6a04 ff750c } | |
| $sequence_7 | hex | { 3b8db4feffff 72f0 eb7a 8b85b4feffff 48 3bc8 } | |
| $sequence_8 | hex | { 8d85a4faffff c645c82e 50 e8???????? 8945dc 8d45c8 50 } | |
| $sequence_9 | hex | { 48 7417 48 752f } |
Condición
7 of them and filesize < 335872En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 335872 (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: bbee767a-0e22-57ba-9f52-4d9f85122434
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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