YARA · Malpedia signator rules
MALPEDIA_Win_Loup_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: Loup.
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_Loup_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bf37937a-9845-5933-8705-1237eb714b3e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.loup"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.loup_auto.yar#L1-L122"
= "N/A"
= "b157fec713ef1e6b8fba7b77efcbad0f33af584006f06a860a88fc826eee1a78"
= 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 = { b904000000 6bd100 c78264a1410002000000 b804000000 6bc800 8b15???????? }
$sequence_1 = { e8???????? 8945b4 8b45c0 50 e8???????? 837db400 750c }
$sequence_2 = { e8???????? e8???????? 85c0 750c c7853cffffff01000000 }
$sequence_3 = { f3ab b9???????? e8???????? e8???????? 85c0 750c }
$sequence_4 = { 53 56 ff3485647b4100 50 e8???????? }
$sequence_5 = { 8bcd 50 8d156c1b4100 e8???????? 58 5a 5f }
$sequence_6 = { 52 6802020000 68c0d40100 6a00 6a00 }
$sequence_7 = { ff15???????? 83c40c 3bf4 e8???????? c745cfc8000000 }
$sequence_8 = { c78568fcffff01000000 eb0a c78568fcffff00000000 8b8568fcffff 52 8bcd 50 }
$sequence_9 = { 8d156c1b4100 e8???????? 58 5a 5f }
condition:
7 of them and filesize < 257024
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { b904000000 6bd100 c78264a1410002000000 b804000000 6bc800 8b15???????? } | |
| $sequence_1 | hex | { e8???????? 8945b4 8b45c0 50 e8???????? 837db400 750c } | |
| $sequence_2 | hex | { e8???????? e8???????? 85c0 750c c7853cffffff01000000 } | |
| $sequence_3 | hex | { f3ab b9???????? e8???????? e8???????? 85c0 750c } | |
| $sequence_4 | hex | { 53 56 ff3485647b4100 50 e8???????? } | |
| $sequence_5 | hex | { 8bcd 50 8d156c1b4100 e8???????? 58 5a 5f } | |
| $sequence_6 | hex | { 52 6802020000 68c0d40100 6a00 6a00 } | |
| $sequence_7 | hex | { ff15???????? 83c40c 3bf4 e8???????? c745cfc8000000 } | |
| $sequence_8 | hex | { c78568fcffff01000000 eb0a c78568fcffff00000000 8b8568fcffff 52 8bcd 50 } | |
| $sequence_9 | hex | { 8d156c1b4100 e8???????? 58 5a 5f } |
Condición
7 of them and filesize < 257024En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 257024 (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: bf37937a-9845-5933-8705-1237eb714b3e
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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