YARA · Malpedia signator rules
MALPEDIA_Win_Breakthrough_Loader_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: Breakthrough Loader.
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_Breakthrough_Loader_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e645845e-c3b6-5403-ab57-d1895ba4ee25"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.breakthrough_loader"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.breakthrough_loader_auto.yar#L1-L121"
= "N/A"
= "72f018ae6839e189f46ae35cc609987afd77297bc81d0ddccfad97886fb913f6"
= 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 = { c745dc02000000 c745e004844400 8b4508 8bcf 8b7510 dd00 8b450c }
$sequence_1 = { 8bec 83ec0c 53 56 c745fc00000000 57 }
$sequence_2 = { 8bf0 85f6 7441 8b442410 8d8c24e0000000 }
$sequence_3 = { c745a800000000 83c410 c6459800 3bf0 740c 2bc6 }
$sequence_4 = { 57 ffd3 a3???????? 85c0 0f84c1000000 68???????? }
$sequence_5 = { 881418 8d442420 837c243410 89742430 0f43442420 }
$sequence_6 = { f0ff08 899e8c000000 33c0 899e90000000 c706???????? c7869400000048724400 c78698000000c8734400 }
$sequence_7 = { 8955f4 8d4801 894df0 90 }
$sequence_8 = { e9???????? 8b443e50 6a00 6800000008 }
$sequence_9 = { 59 83f80a 7336 8b4d98 83f924 7d0f 8a8080244400 }
condition:
7 of them and filesize < 753664
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { c745dc02000000 c745e004844400 8b4508 8bcf 8b7510 dd00 8b450c } | |
| $sequence_1 | hex | { 8bec 83ec0c 53 56 c745fc00000000 57 } | |
| $sequence_2 | hex | { 8bf0 85f6 7441 8b442410 8d8c24e0000000 } | |
| $sequence_3 | hex | { c745a800000000 83c410 c6459800 3bf0 740c 2bc6 } | |
| $sequence_4 | hex | { 57 ffd3 a3???????? 85c0 0f84c1000000 68???????? } | |
| $sequence_5 | hex | { 881418 8d442420 837c243410 89742430 0f43442420 } | |
| $sequence_6 | hex | { f0ff08 899e8c000000 33c0 899e90000000 c706???????? c7869400000048724400 c78698000000c8734400 } | |
| $sequence_7 | hex | { 8955f4 8d4801 894df0 90 } | |
| $sequence_8 | hex | { e9???????? 8b443e50 6a00 6800000008 } | |
| $sequence_9 | hex | { 59 83f80a 7336 8b4d98 83f924 7d0f 8a8080244400 } |
Condición
7 of them and filesize < 753664En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 753664 (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: e645845e-c3b6-5403-ab57-d1895ba4ee25
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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