YARA · Malpedia signator rules
MALPEDIA_Win_Catchamas_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: Catchamas.
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_Catchamas_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1fbc664f-7a9f-5552-8d5c-95e60000007c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.catchamas"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.catchamas_auto.yar#L1-L121"
= "N/A"
= "473e7570bef3a332b187682077d82fa33e5227101da479d784c3662da74732c2"
= 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 = { baba000000 663bf2 720a bac0000000 663bf2 }
$sequence_1 = { 68???????? 56 e8???????? 8bd8 8d045e }
$sequence_2 = { 0f8207ffffff 8b44242c 8b35???????? 8b3d???????? 8b1d???????? 8b2d???????? 8d542430 }
$sequence_3 = { 7d0a 6857000780 e8???????? 8b442408 8b00 53 55 }
$sequence_4 = { 50 889c2434060000 e8???????? 83c40c 6808080000 8d8c242c060000 51 }
$sequence_5 = { 50 6a00 ff15???????? 8d8424c8000000 48 8a4801 40 }
$sequence_6 = { 8b6c2414 56 57 6830040000 }
$sequence_7 = { be???????? f3a5 bf???????? 4f 8a4701 }
$sequence_8 = { c3 8d44240c 8bd0 2bf2 8a08 880c06 }
$sequence_9 = { ff15???????? 83c42c eb24 8b4c2418 }
condition:
7 of them and filesize < 368640
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { baba000000 663bf2 720a bac0000000 663bf2 } | |
| $sequence_1 | hex | { 68???????? 56 e8???????? 8bd8 8d045e } | |
| $sequence_2 | hex | { 0f8207ffffff 8b44242c 8b35???????? 8b3d???????? 8b1d???????? 8b2d???????? 8d542430 } | |
| $sequence_3 | hex | { 7d0a 6857000780 e8???????? 8b442408 8b00 53 55 } | |
| $sequence_4 | hex | { 50 889c2434060000 e8???????? 83c40c 6808080000 8d8c242c060000 51 } | |
| $sequence_5 | hex | { 50 6a00 ff15???????? 8d8424c8000000 48 8a4801 40 } | |
| $sequence_6 | hex | { 8b6c2414 56 57 6830040000 } | |
| $sequence_7 | hex | { be???????? f3a5 bf???????? 4f 8a4701 } | |
| $sequence_8 | hex | { c3 8d44240c 8bd0 2bf2 8a08 880c06 } | |
| $sequence_9 | hex | { ff15???????? 83c42c eb24 8b4c2418 } |
Condición
7 of them and filesize < 368640En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 368640 (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: 1fbc664f-7a9f-5552-8d5c-95e60000007c
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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