YARA · Mandiant red team tool countermeasures
FIREEYE_RT_Loader_Win_Generic_19
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_19 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "4f4427ee-0f7d-5442-98a6-402d8b797289"
= "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_19.yar#L4-L19"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "3fb9341fb11eca439b50121c6f7c59c7"
= "6db9696663c19857c1f89339b8cc9b0565e877f34e8d8cf77b89ef22b3f41683"
= 75
= 75
= "FILE"
= 1
strings:
$s0 = { 8B [1-16] 89 [1-16] E8 [4-32] F3 A4 [0-16] 89 [1-8] E8 }
$s1 = { 83 EC [1-16] 04 00 00 00 [1-24] 00 30 00 00 [1-24] FF 15 [4-16] EB [16-64] 20 00 00 00 [0-8] FF 15 [4-32] C7 44 24 ?? 00 00 00 00 [0-8] C7 44 24 ?? 00 00 00 00 [0-16] FF 15 }
$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 } | |
| $s1 | hex | { 83 EC [1-16] 04 00 00 00 [1-24] 00 30 00 00 [1-24] FF 15 [4-16] EB [16-64] 20 00 00 00 [0-8] FF 15 [4-32] C7 44 24 ?? 00 00 00 00 [0-8] C7 44 24 ?? 00 00 00 0 … | |
| $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).
- 3fb9341fb11eca439b50121c6f7c59c7
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: 4f4427ee-0f7d-5442-98a6-402d8b797289
Metadatos
| rev | 1 |
|---|
Etiquetas:FILE
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