YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Loader_MSIL_WILDCHILD_1
No description has been set in the source file - FireEye-RT
- Autor
- FireEye
- Fecha
- 2020-12-01
- Modificada
- 2020-12-09
- Puntuación / Calidad
- 75 / 75
Qué detecta esta regla
No description has been set in the source file - FireEye-RT
Objetivos: PE de Windows.
Define 3 patrones (2 de texto, 1 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule FIREEYE_RT_APT_Loader_MSIL_WILDCHILD_1 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "b9e0707e-98eb-55da-ad1d-6a84bd113747"
= "2020-12-01"
= "2020-12-01"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/WILDCHILD/production/yara/APT_Loader_MSIL_WILDCHILD_1.yar#L4-L18"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "6f04a93753ae3ae043203437832363c4"
= "a600c3d127f77dc1f99160e4a242e005970de0abd1798296b6a351b968ca1350"
= 75
= 75
= "FILE"
= 1
strings:
$s1 = "\x00QueueUserAPC\x00"
$s2 = "\x00WriteProcessMemory\x00"
$sb1 = { 6F [2] 00 0A 28 [2] 00 0A 6F [2] 00 0A 13 ?? 28 [2] 00 0A 28 [2] 00 0A 13 ?? 11 ?? 11 ?? 28 [2] 00 0A [0-16] 7B [2] 00 04 1? 20 [4] 28 [2] 00 0A 11 ?? 28 [2] 00 0A 28 [2] 00 0A 7E [2] 00 0A 7E [2] 00 0A 28 [2] 00 06 [0-16] 14 7E [2] 00 0A 7E [2] 00 0A 1? 20 04 00 08 08 7E [2] 00 0A 14 12 ?? 12 ?? 28 [2] 00 06 [0-16] 7B [2] 00 04 7E [2] 00 0A [0-16] 8E ?? 7E [2] 00 04 7E [2] 00 04 28 [2] 00 06 [4-120] 28 [2] 00 06 [0-80] 6F [2] 00 0A 6F [2] 00 0A 28 [2] 00 06 13 ?? 11 ?? 11 ?? 7E [2] 00 0A 28 [2] 00 06 }
condition:
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and all of them
}
Cadenas (3 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s1 | texto | "\x00QueueUserAPC\x00" | |
| $s2 | texto | "\x00WriteProcessMemory\x00" | |
| $sb1 | hex | { 6F [2] 00 0A 28 [2] 00 0A 6F [2] 00 0A 13 ?? 28 [2] 00 0A 28 [2] 00 0A 13 ?? 11 ?? 11 ?? 28 [2] 00 0A [0-16] 7B [2] 00 04 1? 20 [4] 28 [2] 00 0A 11 ?? 28 [2] … |
Condición
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and all of themEn palabras sencillas (Heurística)
- El archivo debe empezar por «MZ»: un ejecutable de Windows (PE).
- Deben coincidir todos los 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.
Hashes de muestras
Hashes de las muestras que el autor lista en los metadatos de la regla (búscalos en tu plataforma de threat intelligence).
- 6f04a93753ae3ae043203437832363c4
Licencia y atribución
Autor: FireEye
Repositorio de origen: Mandiant red team tool countermeasures @ 3561b71724
Licencia: BSD 2-Clause License (licencia del repositorio)
Aviso de copyright: Copyright (c) 2023, MANDIANT
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: b9e0707e-98eb-55da-ad1d-6a84bd113747
Metadatos
| rev | 1 |
|---|
Etiquetas:FILE
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