YARA · Malpedia signator rules
MALPEDIA_Win_Chairsmack_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: Chairsmack.
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_Chairsmack_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e80fc748-d8f4-5cbd-82ba-b945f81f35aa"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.chairsmack"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.chairsmack_auto.yar#L1-L128"
= "N/A"
= "ab6ef85d698b2a803b6d5555fc474274ae1cdbbc2f505b305e2c76656f31c8a4"
= 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 = { 56 8b7508 57 8b7d0c 894df0 3bf7 7451 }
$sequence_1 = { e8???????? 8d8424a8010000 50 8d8c24c4020000 e8???????? 68???????? 8d4c244c }
$sequence_2 = { c7466080834800 c745fc00000000 8b06 c745f001000000 }
$sequence_3 = { 8d8c24a0000000 e8???????? 68???????? 8d8c24a0000000 c684248403000067 e8???????? }
$sequence_4 = { e8???????? 6aff 6a00 8d842488000000 50 8d4c2454 e8???????? }
$sequence_5 = { c684242801000015 e8???????? 68???????? 8d8c24dc000000 e8???????? 6aff }
$sequence_6 = { 6a00 6a50 56 50 ff15???????? 8bf0 85f6 }
$sequence_7 = { c1fa05 8b85f0efffff 83e01f c1e006 8b0c95d06d4a00 837c013000 }
$sequence_8 = { 894618 33c0 c7471807000000 c7471400000000 66894704 8bc6 5f }
$sequence_9 = { 51 8b4dfc e8???????? 8b45fc 8be5 5d c21000 }
condition:
7 of them and filesize < 1974272
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 56 8b7508 57 8b7d0c 894df0 3bf7 7451 } | |
| $sequence_1 | hex | { e8???????? 8d8424a8010000 50 8d8c24c4020000 e8???????? 68???????? 8d4c244c } | |
| $sequence_2 | hex | { c7466080834800 c745fc00000000 8b06 c745f001000000 } | |
| $sequence_3 | hex | { 8d8c24a0000000 e8???????? 68???????? 8d8c24a0000000 c684248403000067 e8???????? } | |
| $sequence_4 | hex | { e8???????? 6aff 6a00 8d842488000000 50 8d4c2454 e8???????? } | |
| $sequence_5 | hex | { c684242801000015 e8???????? 68???????? 8d8c24dc000000 e8???????? 6aff } | |
| $sequence_6 | hex | { 6a00 6a50 56 50 ff15???????? 8bf0 85f6 } | |
| $sequence_7 | hex | { c1fa05 8b85f0efffff 83e01f c1e006 8b0c95d06d4a00 837c013000 } | |
| $sequence_8 | hex | { 894618 33c0 c7471807000000 c7471400000000 66894704 8bc6 5f } | |
| $sequence_9 | hex | { 51 8b4dfc e8???????? 8b45fc 8be5 5d c21000 } |
Condición
7 of them and filesize < 1974272En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 1974272 (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: e80fc748-d8f4-5cbd-82ba-b945f81f35aa
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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