YARA · Malpedia signator rules
MALPEDIA_Win_Aytoke_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: Aytoke.
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_Aytoke_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "39bf8de3-7737-55a3-9f66-3004c8cf8c87"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.aytoke"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.aytoke_auto.yar#L1-L121"
= "N/A"
= "46f5b2cb8de02b95d7e25f12ff635b05a8410abd31c30d35c4b45772db77405e"
= 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 = { 8d95f4f7ffff 56 52 e8???????? 83c404 50 e8???????? }
$sequence_1 = { 56 57 33ff ffb770874100 ff15???????? 898770874100 83c704 }
$sequence_2 = { 75f8 8b0d???????? 8a15???????? 8908 885004 8bc7 }
$sequence_3 = { e8???????? e8???????? b8???????? 8d5001 8d4900 8a08 }
$sequence_4 = { e8???????? 83c404 be4f000000 8d9b00000000 }
$sequence_5 = { 50 e8???????? 83c404 b001 8b4dfc 33cd e8???????? }
$sequence_6 = { 52 e8???????? b8???????? 83c404 2d???????? bb01000000 8945f4 }
$sequence_7 = { 8bc8 c1f905 8b0c8d00c44100 83e01f }
$sequence_8 = { 83e01f c1f905 8b0c8d00c44100 c1e006 8d440104 }
$sequence_9 = { c1fe05 c1e106 030cb500c44100 eb02 }
condition:
7 of them and filesize < 425984
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8d95f4f7ffff 56 52 e8???????? 83c404 50 e8???????? } | |
| $sequence_1 | hex | { 56 57 33ff ffb770874100 ff15???????? 898770874100 83c704 } | |
| $sequence_2 | hex | { 75f8 8b0d???????? 8a15???????? 8908 885004 8bc7 } | |
| $sequence_3 | hex | { e8???????? e8???????? b8???????? 8d5001 8d4900 8a08 } | |
| $sequence_4 | hex | { e8???????? 83c404 be4f000000 8d9b00000000 } | |
| $sequence_5 | hex | { 50 e8???????? 83c404 b001 8b4dfc 33cd e8???????? } | |
| $sequence_6 | hex | { 52 e8???????? b8???????? 83c404 2d???????? bb01000000 8945f4 } | |
| $sequence_7 | hex | { 8bc8 c1f905 8b0c8d00c44100 83e01f } | |
| $sequence_8 | hex | { 83e01f c1f905 8b0c8d00c44100 c1e006 8d440104 } | |
| $sequence_9 | hex | { c1fe05 c1e106 030cb500c44100 eb02 } |
Condición
7 of them and filesize < 425984En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 425984 (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: 39bf8de3-7737-55a3-9f66-3004c8cf8c87
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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