YARA · Mandiant red team tool countermeasures
FIREEYE_RT_Loader_Win_Generic_20
No description has been set in the source file - FireEye-RT
- Autor
- FireEye
- Fecha
- 2020-12-02
- 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 4 patrones (2 de texto, 2 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule FIREEYE_RT_Loader_Win_Generic_20 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "d1d3eff8-d12e-53f6-8c30-06ecedaf3f49"
= "2020-12-02"
= "2020-12-02"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/UNCATEGORIZED/supplemental/yara/Loader_Win_Generic_20.yar#L4-L19"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "5125979110847d35a338caac6bff2aa8"
= "9611aed2b4e4278d40254cb5c4fe94a458cfa19f10e6fe888bc7ceb166669cc6"
= 75
= 75
= "FILE"
= 1
strings:
$s0 = { 8B [1-16] 89 [1-16] E8 [4-32] F3 A4 [0-16] 89 [1-8] E8 }
$s2 = { 83 EC [4-24] 00 10 00 00 [4-24] C7 44 24 ?? ?? 00 00 00 [0-8] FF 15 [4-24] 89 [1-4] 89 [1-4] 89 [1-8] FF 15 [4-16] 3? ?? 7? [4-24] 20 00 00 00 [4-24] FF 15 [4-32] F3 A5 }
$si1 = "VirtualProtect" fullword
$si2 = "malloc" fullword
condition:
( uint16( 0 ) == 0x5A4D ) and ( uint32( uint32( 0x3C ) ) == 0x00004550 ) and all of them
}
Cadenas (4 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $s0 | hex | { 8B [1-16] 89 [1-16] E8 [4-32] F3 A4 [0-16] 89 [1-8] E8 } | |
| $s2 | hex | { 83 EC [4-24] 00 10 00 00 [4-24] C7 44 24 ?? ?? 00 00 00 [0-8] FF 15 [4-24] 89 [1-4] 89 [1-4] 89 [1-8] FF 15 [4-16] 3? ?? 7? [4-24] 20 00 00 00 [4-24] FF 15 [4 … | |
| $si1 | texto | "VirtualProtect" | fullword |
| $si2 | texto | "malloc" | fullword |
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).
- 5125979110847d35a338caac6bff2aa8
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: d1d3eff8-d12e-53f6-8c30-06ecedaf3f49
Metadatos
| rev | 1 |
|---|
Etiquetas:FILE
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