YARA · Malpedia signator rules
MALPEDIA_Win_Cosmicduke_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: Cosmicduke.
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_Cosmicduke_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "667294d1-93ba-5cf4-adb7-c6352a178500"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cosmicduke"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cosmicduke_auto.yar#L1-L132"
= "N/A"
= "4042c496399421d8bce6159a837dd6fc589749e08d3bb625b03ef4999159b211"
= 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 = { 50 68905b0100 8d8554a4feff 50 ff75f4 ff15???????? 8bd8 }
$sequence_1 = { ff5108 ebaa 837c242028 8b442414 8b08 7d33 }
$sequence_2 = { 7f4b 3bf3 7508 c744241001000000 017c2410 391d???????? 7509 }
$sequence_3 = { 8365f400 53 56 57 8bf0 8d45f8 50 }
$sequence_4 = { e8???????? 68???????? e8???????? 59 834dfcff 8b4df4 b8???????? }
$sequence_5 = { 57 e8???????? 83c40c 84c0 0f84f3020000 8b742428 d1ee }
$sequence_6 = { 8b0437 ebf2 85ff 743a 837c240400 7433 8b8680080000 }
$sequence_7 = { e9???????? 8d8568efffff 50 e8???????? c3 8db558efffff }
$sequence_8 = { 53 53 6a1c 53 ffd6 85c0 750b }
$sequence_9 = { eb8a 8b45e4 8b08 8d55e0 52 68???????? 50 }
condition:
7 of them and filesize < 456704
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 50 68905b0100 8d8554a4feff 50 ff75f4 ff15???????? 8bd8 } | |
| $sequence_1 | hex | { ff5108 ebaa 837c242028 8b442414 8b08 7d33 } | |
| $sequence_2 | hex | { 7f4b 3bf3 7508 c744241001000000 017c2410 391d???????? 7509 } | |
| $sequence_3 | hex | { 8365f400 53 56 57 8bf0 8d45f8 50 } | |
| $sequence_4 | hex | { e8???????? 68???????? e8???????? 59 834dfcff 8b4df4 b8???????? } | |
| $sequence_5 | hex | { 57 e8???????? 83c40c 84c0 0f84f3020000 8b742428 d1ee } | |
| $sequence_6 | hex | { 8b0437 ebf2 85ff 743a 837c240400 7433 8b8680080000 } | |
| $sequence_7 | hex | { e9???????? 8d8568efffff 50 e8???????? c3 8db558efffff } | |
| $sequence_8 | hex | { 53 53 6a1c 53 ffd6 85c0 750b } | |
| $sequence_9 | hex | { eb8a 8b45e4 8b08 8d55e0 52 68???????? 50 } |
Condición
7 of them and filesize < 456704En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 456704 (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: 667294d1-93ba-5cf4-adb7-c6352a178500
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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