YARA · Malpedia signator rules
MALPEDIA_Win_Bit_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: Bit 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_Bit_Rat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "c5180548-e44a-569c-97ab-4d6e2fcd4902"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.bit_rat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.bit_rat_auto.yar#L1-L134"
= "N/A"
= "87b904065bbca0f6e207ff2fe2c8348ebce8823ef90bae96dc004c3ac38b8eba"
= 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 = { 8d45a0 0f43c2 0fb700 83f82f 7405 83f85c 7517 }
$sequence_1 = { e8???????? 83c404 e9???????? 8d4580 50 e8???????? 8d4dc0 }
$sequence_2 = { b870000000 eb0a 833b00 7531 b841000000 6a00 6a00 }
$sequence_3 = { e8???????? ffb7e8000000 e8???????? 8d87f0000000 50 e8???????? ffb708010000 }
$sequence_4 = { e8???????? 59 50 8d45ac 50 b9???????? e8???????? }
$sequence_5 = { f6403008 8bc1 744e 2500ff0000 3d00fe0000 744e 85d2 }
$sequence_6 = { 8d4da8 68???????? e8???????? c645fc06 8d45d8 6819040000 50 }
$sequence_7 = { e8???????? 8a0b 8a55ff 5f d2ea 5e 0ac2 }
$sequence_8 = { c70612000000 c7460400000000 83c8ff 5f 5e 5b 59 }
$sequence_9 = { e8???????? 8b4720 53 ff7704 8b00 03c6 50 }
condition:
7 of them and filesize < 19405824
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8d45a0 0f43c2 0fb700 83f82f 7405 83f85c 7517 } | |
| $sequence_1 | hex | { e8???????? 83c404 e9???????? 8d4580 50 e8???????? 8d4dc0 } | |
| $sequence_2 | hex | { b870000000 eb0a 833b00 7531 b841000000 6a00 6a00 } | |
| $sequence_3 | hex | { e8???????? ffb7e8000000 e8???????? 8d87f0000000 50 e8???????? ffb708010000 } | |
| $sequence_4 | hex | { e8???????? 59 50 8d45ac 50 b9???????? e8???????? } | |
| $sequence_5 | hex | { f6403008 8bc1 744e 2500ff0000 3d00fe0000 744e 85d2 } | |
| $sequence_6 | hex | { 8d4da8 68???????? e8???????? c645fc06 8d45d8 6819040000 50 } | |
| $sequence_7 | hex | { e8???????? 8a0b 8a55ff 5f d2ea 5e 0ac2 } | |
| $sequence_8 | hex | { c70612000000 c7460400000000 83c8ff 5f 5e 5b 59 } | |
| $sequence_9 | hex | { e8???????? 8b4720 53 ff7704 8b00 03c6 50 } |
Condición
7 of them and filesize < 19405824En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 19405824 (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: c5180548-e44a-569c-97ab-4d6e2fcd4902
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
Reglas relacionadas
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04