YARA · Malpedia signator rules
MALPEDIA_Win_Simda_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: Simda.
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_Simda_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "aa304c72-72d4-549a-ba4f-f63f8efa0a94"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.simda"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.simda_auto.yar#L1-L117"
= "N/A"
= "945beb5f8ffd66c84ce2c6df7a6662ff804e95b9a56c15b871a19f21206edd7c"
= 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 = { 8b5487fc b900000080 90 85d1 7504 d1e9 }
$sequence_1 = { 66894df4 8855f6 c685c8fcffff00 e8???????? 6803010000 }
$sequence_2 = { 51 c685f8feffff00 e8???????? 8b35???????? }
$sequence_3 = { 40 84c9 75f9 8b4dfc 2bc2 40 50 }
$sequence_4 = { 8b0c30 3b0e 750d 83ef04 83c604 83ff04 }
$sequence_5 = { 80f903 7536 8b8de4feffff 83f905 750d 3985e8feffff 7523 }
$sequence_6 = { 03c7 3bc7 7301 42 }
$sequence_7 = { 74e4 6a0a 6a00 56 }
$sequence_8 = { ffd7 8b1d???????? 6a00 6a01 8d8df8feffff }
$sequence_9 = { 41 eb08 83c102 eb03 83c103 }
condition:
7 of them and filesize < 1581056
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8b5487fc b900000080 90 85d1 7504 d1e9 } | |
| $sequence_1 | hex | { 66894df4 8855f6 c685c8fcffff00 e8???????? 6803010000 } | |
| $sequence_2 | hex | { 51 c685f8feffff00 e8???????? 8b35???????? } | |
| $sequence_3 | hex | { 40 84c9 75f9 8b4dfc 2bc2 40 50 } | |
| $sequence_4 | hex | { 8b0c30 3b0e 750d 83ef04 83c604 83ff04 } | |
| $sequence_5 | hex | { 80f903 7536 8b8de4feffff 83f905 750d 3985e8feffff 7523 } | |
| $sequence_6 | hex | { 03c7 3bc7 7301 42 } | |
| $sequence_7 | hex | { 74e4 6a0a 6a00 56 } | |
| $sequence_8 | hex | { ffd7 8b1d???????? 6a00 6a01 8d8df8feffff } | |
| $sequence_9 | hex | { 41 eb08 83c102 eb03 83c103 } |
Condición
7 of them and filesize < 1581056En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 1581056 (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: aa304c72-72d4-549a-ba4f-f63f8efa0a94
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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