YARA · Malpedia signator rules
MALPEDIA_Win_Squirrelwaffle_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: Squirrelwaffle.
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_Squirrelwaffle_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "25e83d14-1767-536b-af19-b322e71277c6"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.squirrelwaffle"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.squirrelwaffle_auto.yar#L1-L119"
= "N/A"
= "fd100940c5ede4b279bbaea9050d2423e4b66eab0e732f67b450f56d1e93b2f7"
= 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 = { 8a01 41 84c0 75f9 6a00 2bce 8bb564f7ffff }
$sequence_1 = { 0f434508 8d8d40ffffff 6a02 50 }
$sequence_2 = { 85c0 751a 50 8b8540ffffff 8d8d40ffffff 6a02 8b4004 }
$sequence_3 = { 33f6 0f1f4000 0f1f840000000000 833d????????10 bb???????? }
$sequence_4 = { 83ceff 8b55e8 83fa10 0f8278000000 8b4dd4 42 }
$sequence_5 = { 8d45ed c7855cf7ffff00000000 c78560f7ffff0f000000 c6854cf7ffff00 3bf0 740f 2bc6 }
$sequence_6 = { c645c400 8d4dd4 ff75c4 6a08 e8???????? e9???????? }
$sequence_7 = { c785c0f6ffff00000000 c785c4f6ffff0f000000 c685b0f6ffff00 c645fc22 }
$sequence_8 = { 89956cf9ffff ff15???????? 83c408 898580f7ffff }
$sequence_9 = { 7230 83fa10 8db5b0f6ffff 8d4112 0f43b5b0f6ffff }
condition:
7 of them and filesize < 147456
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8a01 41 84c0 75f9 6a00 2bce 8bb564f7ffff } | |
| $sequence_1 | hex | { 0f434508 8d8d40ffffff 6a02 50 } | |
| $sequence_2 | hex | { 85c0 751a 50 8b8540ffffff 8d8d40ffffff 6a02 8b4004 } | |
| $sequence_3 | hex | { 33f6 0f1f4000 0f1f840000000000 833d????????10 bb???????? } | |
| $sequence_4 | hex | { 83ceff 8b55e8 83fa10 0f8278000000 8b4dd4 42 } | |
| $sequence_5 | hex | { 8d45ed c7855cf7ffff00000000 c78560f7ffff0f000000 c6854cf7ffff00 3bf0 740f 2bc6 } | |
| $sequence_6 | hex | { c645c400 8d4dd4 ff75c4 6a08 e8???????? e9???????? } | |
| $sequence_7 | hex | { c785c0f6ffff00000000 c785c4f6ffff0f000000 c685b0f6ffff00 c645fc22 } | |
| $sequence_8 | hex | { 89956cf9ffff ff15???????? 83c408 898580f7ffff } | |
| $sequence_9 | hex | { 7230 83fa10 8db5b0f6ffff 8d4112 0f43b5b0f6ffff } |
Condición
7 of them and filesize < 147456En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 147456 (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: 25e83d14-1767-536b-af19-b322e71277c6
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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