YARA · Malpedia signator rules
MALPEDIA_Win_Pay2Key_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: Pay2Key.
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_Pay2Key_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "52ae617d-90c8-59a4-a326-6f6d8bf7a495"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.pay2key"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pay2key_auto.yar#L1-L129"
= "N/A"
= "0979f527206b0fbcd39ef7939d91af8f5875a83da45102ef8c9ab6d75ed03216"
= 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 = { 8d45f4 64a300000000 c745fc00000000 8b7110 85f6 7421 83cfff }
$sequence_1 = { 8bf1 57 8b4604 85c0 7408 8b4004 }
$sequence_2 = { c74608???????? 8b4dfc b001 5f 33cd 5e e8???????? }
$sequence_3 = { ff75ec ff15???????? 8d4d90 e8???????? 8b4df4 64890d00000000 }
$sequence_4 = { 8b01 eb02 8bc1 33d2 6aff 668910 8d85c4000000 }
$sequence_5 = { 8b4d0c 8d45e4 50 e8???????? 8d4de4 c745fcffffffff }
$sequence_6 = { f30f7e00 660fd606 8b4008 894608 8b44241c 57 }
$sequence_7 = { eba9 807f0c00 740c 53 8bcf c6470c00 e8???????? }
$sequence_8 = { e8???????? 84c0 7520 8b4d0c 8d45e4 50 e8???????? }
$sequence_9 = { 8b32 8975f0 85db 7404 f0ff4304 8b7704 }
condition:
7 of them and filesize < 2252800
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8d45f4 64a300000000 c745fc00000000 8b7110 85f6 7421 83cfff } | |
| $sequence_1 | hex | { 8bf1 57 8b4604 85c0 7408 8b4004 } | |
| $sequence_2 | hex | { c74608???????? 8b4dfc b001 5f 33cd 5e e8???????? } | |
| $sequence_3 | hex | { ff75ec ff15???????? 8d4d90 e8???????? 8b4df4 64890d00000000 } | |
| $sequence_4 | hex | { 8b01 eb02 8bc1 33d2 6aff 668910 8d85c4000000 } | |
| $sequence_5 | hex | { 8b4d0c 8d45e4 50 e8???????? 8d4de4 c745fcffffffff } | |
| $sequence_6 | hex | { f30f7e00 660fd606 8b4008 894608 8b44241c 57 } | |
| $sequence_7 | hex | { eba9 807f0c00 740c 53 8bcf c6470c00 e8???????? } | |
| $sequence_8 | hex | { e8???????? 84c0 7520 8b4d0c 8d45e4 50 e8???????? } | |
| $sequence_9 | hex | { 8b32 8975f0 85db 7404 f0ff4304 8b7704 } |
Condición
7 of them and filesize < 2252800En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 2252800 (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: 52ae617d-90c8-59a4-a326-6f6d8bf7a495
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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