YARA · Malpedia signator rules
MALPEDIA_Win_Blackbyte_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: Blackbyte.
Define 16 patrones (0 de texto, 16 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Blackbyte_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "86ddcdb3-f98f-5fed-8acf-8f25a59fe9d8"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.blackbyte"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.blackbyte_auto.yar#L1-L150"
= "N/A"
= "cae52a5068af3fb259038670fdc83a0ab679783080eb29a6c75f1c00c83ab95b"
= 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 = { 3bc2 72f4 b8ffffffff 4883c420 }
$sequence_1 = { 3bd0 0f8f7f000000 4c63c2 498bcf }
$sequence_2 = { 3bc7 7ce0 eb03 488bda }
$sequence_3 = { 3bc1 7f4d 33c9 4c63c8 }
$sequence_4 = { 48ffc2 4c8b842458010000 0f1f00 4939d0 0f8feefeffff }
$sequence_5 = { 4b8d0413 90 e8???????? 488b542458 }
$sequence_6 = { 48c744247000000000 c744247800000000 c744246800000000 48c744247000000000 }
$sequence_7 = { 3bc8 757b 498bc8 6685d2 }
$sequence_8 = { 4939c9 490f4cc9 90 4939c8 }
$sequence_9 = { 3bc2 7f2f 4c63d8 85c0 }
$sequence_10 = { 4989c1 48c1e004 4c8b940400020000 4c8b9c0408020000 }
$sequence_11 = { 3bc7 7f38 33d2 4c63c8 }
$sequence_12 = { 3bc8 7708 41034908 3bc1 }
$sequence_13 = { 4989f8 4d85c9 0f8ebb000000 488b4828 }
$sequence_14 = { 4989c1 4989c8 488b842480000000 488b8c2488000000 }
$sequence_15 = { 4939c9 0f8234020000 48014840 4829cf 4929c9 4989f8 48f7df }
condition:
7 of them and filesize < 9435136
}
Cadenas (16 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 3bc2 72f4 b8ffffffff 4883c420 } | |
| $sequence_1 | hex | { 3bd0 0f8f7f000000 4c63c2 498bcf } | |
| $sequence_2 | hex | { 3bc7 7ce0 eb03 488bda } | |
| $sequence_3 | hex | { 3bc1 7f4d 33c9 4c63c8 } | |
| $sequence_4 | hex | { 48ffc2 4c8b842458010000 0f1f00 4939d0 0f8feefeffff } | |
| $sequence_5 | hex | { 4b8d0413 90 e8???????? 488b542458 } | |
| $sequence_6 | hex | { 48c744247000000000 c744247800000000 c744246800000000 48c744247000000000 } | |
| $sequence_7 | hex | { 3bc8 757b 498bc8 6685d2 } | |
| $sequence_8 | hex | { 4939c9 490f4cc9 90 4939c8 } | |
| $sequence_9 | hex | { 3bc2 7f2f 4c63d8 85c0 } | |
| $sequence_10 | hex | { 4989c1 48c1e004 4c8b940400020000 4c8b9c0408020000 } | |
| $sequence_11 | hex | { 3bc7 7f38 33d2 4c63c8 } | |
| $sequence_12 | hex | { 3bc8 7708 41034908 3bc1 } | |
| $sequence_13 | hex | { 4989f8 4d85c9 0f8ebb000000 488b4828 } | |
| $sequence_14 | hex | { 4989c1 4989c8 488b842480000000 488b8c2488000000 } | |
| $sequence_15 | hex | { 4939c9 0f8234020000 48014840 4829cf 4929c9 4989f8 48f7df } |
Condición
7 of them and filesize < 9435136En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 9435136 (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: 86ddcdb3-f98f-5fed-8acf-8f25a59fe9d8
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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