YARA · Malpedia signator rules
MALPEDIA_Win_Ldr4_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: Ldr4.
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_Ldr4_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "70f63792-fb12-5dc9-8e1c-cdcecc2cc034"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.ldr4"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ldr4_auto.yar#L1-L126"
= "N/A"
= "efd08753414b7d9502b38de382596116e13607d37b302ea183aff8415d3508d2"
= 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 = { eb01 41 80fb3b 7506 85ff 7522 }
$sequence_1 = { 33db 897d1c 8b4510 6a10 59 894dfc }
$sequence_2 = { 50 ff15???????? 8b45f0 b90046c323 f7e1 0145e4 8b45e4 }
$sequence_3 = { 56 56 6a1c 51 ff7508 ffd0 eb02 }
$sequence_4 = { 8b4064 85c0 7403 56 }
$sequence_5 = { c20400 55 8bec 51 51 8b4d08 8b413c }
$sequence_6 = { 8bc6 e8???????? 85c0 7410 c60000 40 8a08 }
$sequence_7 = { e9???????? 33db 43 8b4508 }
$sequence_8 = { 57 895df4 e8???????? 83c40c 6a02 58 668907 }
$sequence_9 = { 8b4618 85c0 7407 50 ff15???????? 56 6a00 }
condition:
7 of them and filesize < 117760
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { eb01 41 80fb3b 7506 85ff 7522 } | |
| $sequence_1 | hex | { 33db 897d1c 8b4510 6a10 59 894dfc } | |
| $sequence_2 | hex | { 50 ff15???????? 8b45f0 b90046c323 f7e1 0145e4 8b45e4 } | |
| $sequence_3 | hex | { 56 56 6a1c 51 ff7508 ffd0 eb02 } | |
| $sequence_4 | hex | { 8b4064 85c0 7403 56 } | |
| $sequence_5 | hex | { c20400 55 8bec 51 51 8b4d08 8b413c } | |
| $sequence_6 | hex | { 8bc6 e8???????? 85c0 7410 c60000 40 8a08 } | |
| $sequence_7 | hex | { e9???????? 33db 43 8b4508 } | |
| $sequence_8 | hex | { 57 895df4 e8???????? 83c40c 6a02 58 668907 } | |
| $sequence_9 | hex | { 8b4618 85c0 7407 50 ff15???????? 56 6a00 } |
Condición
7 of them and filesize < 117760En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 117760 (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: 70f63792-fb12-5dc9-8e1c-cdcecc2cc034
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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