YARA · Malpedia signator rules
MALPEDIA_Win_Bibi_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: Bibi.
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_Bibi_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "527fb14e-42e6-5a4f-be3b-f8e5c98035c2"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.bibi"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.bibi_auto.yar#L1-L123"
= "N/A"
= "18456800e8bff07689fd1b8fbbf909127adefee593609ba9eb6396777b198069"
= 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 = { 8bda 4c8d05a25a0100 488bf9 488d1538470100 b904000000 e8???????? 8bd3 }
$sequence_1 = { 7403 48ffcf 410fb6d3 4c8d0d07f10000 83f201 03d2 8bc2 }
$sequence_2 = { 8bc7 f00fc14108 83f801 0f8540f4ffff }
$sequence_3 = { 66f3ab 498d0410 6645892441 eb0b 4c8bca 488bce e8???????? }
$sequence_4 = { 4883ec20 33f6 4533f6 4863ce 488d3db8e70100 }
$sequence_5 = { c5fb102d???????? c4e2c9abe9 f2410f1004c1 488d15a2bf0000 }
$sequence_6 = { e8???????? 33c0 884548 b801000000 864548 458bf5 }
$sequence_7 = { 488d41f8 4883f81f 773e 498bc8 e8???????? 4d896710 49c7471807000000 }
$sequence_8 = { 488bcb 48837b1808 7208 488b0b 0f1f440000 48ffc0 66833c4100 }
$sequence_9 = { 44897c2420 0f57c0 0f1145c7 f30f7f45b7 4c897dc7 }
condition:
7 of them and filesize < 462848
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8bda 4c8d05a25a0100 488bf9 488d1538470100 b904000000 e8???????? 8bd3 } | |
| $sequence_1 | hex | { 7403 48ffcf 410fb6d3 4c8d0d07f10000 83f201 03d2 8bc2 } | |
| $sequence_2 | hex | { 8bc7 f00fc14108 83f801 0f8540f4ffff } | |
| $sequence_3 | hex | { 66f3ab 498d0410 6645892441 eb0b 4c8bca 488bce e8???????? } | |
| $sequence_4 | hex | { 4883ec20 33f6 4533f6 4863ce 488d3db8e70100 } | |
| $sequence_5 | hex | { c5fb102d???????? c4e2c9abe9 f2410f1004c1 488d15a2bf0000 } | |
| $sequence_6 | hex | { e8???????? 33c0 884548 b801000000 864548 458bf5 } | |
| $sequence_7 | hex | { 488d41f8 4883f81f 773e 498bc8 e8???????? 4d896710 49c7471807000000 } | |
| $sequence_8 | hex | { 488bcb 48837b1808 7208 488b0b 0f1f440000 48ffc0 66833c4100 } | |
| $sequence_9 | hex | { 44897c2420 0f57c0 0f1145c7 f30f7f45b7 4c897dc7 } |
Condición
7 of them and filesize < 462848En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 462848 (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: 527fb14e-42e6-5a4f-be3b-f8e5c98035c2
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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