YARA · Malpedia signator rules
MALPEDIA_Win_Compfun_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: Compfun.
Define 16 patrones (0 de texto, 16 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Compfun_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "41d8f613-746c-5500-b816-c3a4b550704d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.compfun"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.compfun_auto.yar#L1-L155"
= "N/A"
= "723a41bb6acfefce75ab3d4affb763bfe86d9c1aac2b18b87326286e6f0b38a2"
= 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 e8???????? 83c40c c70648656170 }
$sequence_1 = { 85c0 7433 68???????? e8???????? 59 50 57 }
$sequence_2 = { e8???????? 83c40c c70661647661 c7460470693332 }
$sequence_3 = { 57 ffd3 898688000000 85c0 }
$sequence_4 = { c7460c73736573 c746105c576f77 c7461436343332 c746184e6f6465 c7461c5c434c53 }
$sequence_5 = { e9???????? 57 8b7d0c 85ff 7507 33c0 e9???????? }
$sequence_6 = { c7460c65786520 c70673706964 c7460465726167 c74608656e742e c6460f00 8bc6 }
$sequence_7 = { e8???????? 83c40c c746106e666f20 c7064765744e }
$sequence_8 = { 034c2460 488b442450 894820 488b4c2450 }
$sequence_9 = { 034c242c 488b442470 894820 488d542440 }
$sequence_10 = { 0344242c 8bc8 e8???????? 4889442448 }
$sequence_11 = { 03c1 89442420 8b442420 83c001 }
$sequence_12 = { 03c1 89442420 8b4c2438 488b442450 }
$sequence_13 = { 03c1 4863d0 488b4c2430 488b442438 }
$sequence_14 = { 03c1 89442420 8b542438 486bd218 }
$sequence_15 = { 03c1 89442434 8b442430 39442434 }
condition:
7 of them and filesize < 402432
}
Cadenas (16 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 56 e8???????? 83c40c c70648656170 } | |
| $sequence_1 | hex | { 85c0 7433 68???????? e8???????? 59 50 57 } | |
| $sequence_2 | hex | { e8???????? 83c40c c70661647661 c7460470693332 } | |
| $sequence_3 | hex | { 57 ffd3 898688000000 85c0 } | |
| $sequence_4 | hex | { c7460c73736573 c746105c576f77 c7461436343332 c746184e6f6465 c7461c5c434c53 } | |
| $sequence_5 | hex | { e9???????? 57 8b7d0c 85ff 7507 33c0 e9???????? } | |
| $sequence_6 | hex | { c7460c65786520 c70673706964 c7460465726167 c74608656e742e c6460f00 8bc6 } | |
| $sequence_7 | hex | { e8???????? 83c40c c746106e666f20 c7064765744e } | |
| $sequence_8 | hex | { 034c2460 488b442450 894820 488b4c2450 } | |
| $sequence_9 | hex | { 034c242c 488b442470 894820 488d542440 } | |
| $sequence_10 | hex | { 0344242c 8bc8 e8???????? 4889442448 } | |
| $sequence_11 | hex | { 03c1 89442420 8b442420 83c001 } | |
| $sequence_12 | hex | { 03c1 89442420 8b4c2438 488b442450 } | |
| $sequence_13 | hex | { 03c1 4863d0 488b4c2430 488b442438 } | |
| $sequence_14 | hex | { 03c1 89442420 8b542438 486bd218 } | |
| $sequence_15 | hex | { 03c1 89442434 8b442430 39442434 } |
Condición
7 of them and filesize < 402432En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 402432 (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: 41d8f613-746c-5500-b816-c3a4b550704d
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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