YARA · Mandiant red team tool countermeasures
FIREEYE_RT_Loader_MSIL_RURALBISHOP_2
No description has been set in the source file - FireEye-RT
- Autor
- FireEye
- Fecha
- 2020-12-03
- 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 7 patrones (7 de texto, 0 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule FIREEYE_RT_Loader_MSIL_RURALBISHOP_2 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "3befb3f2-81d1-5db2-84d9-773158b9837c"
= "2020-12-03"
= "2020-12-03"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/TRIMBISHOP/new/yara/Loader_MSIL_RURALBISHOP_2.yar#L4-L22"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "e91670423930cbbd3dbf5eac1f1a7cb6"
= "0467532d643cf0200c6561b0724c884230892bf59db163c311b7d4f8acbb63d6"
= 75
= 75
= "FILE"
= 1
strings:
$ss1 = "\x00NtMapViewOfSection\x00"
$ss2 = "\x00NtOpenProcess\x00"
$ss3 = "\x00NtAlertResumeThread\x00"
$ss4 = "\x00LdrGetProcedureAddress\x00"
$ss5 = "\x2f(\x00?\x00i\x00)\x00(\x00-\x00|\x00-\x00-\x00|\x00/\x00)\x00(\x00i\x00|\x00I\x00n\x00j\x00e\x00c\x00t\x00)\x00$\x00"
$ss6 = "\x2d(\x00?\x00i\x00)\x00(\x00-\x00|\x00-\x00-\x00|\x00/\x00)\x00(\x00c\x00|\x00C\x00l\x00e\x00a\x00n\x00)\x00$\x00"
$tb1 = "\x00SharpSploit.Execution.DynamicInvoke\x00"
condition:
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and all of them
}
Cadenas (7 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $ss1 | texto | "\x00NtMapViewOfSection\x00" | |
| $ss2 | texto | "\x00NtOpenProcess\x00" | |
| $ss3 | texto | "\x00NtAlertResumeThread\x00" | |
| $ss4 | texto | "\x00LdrGetProcedureAddress\x00" | |
| $ss5 | texto | "\x2f(\x00?\x00i\x00)\x00(\x00-\x00|\x00-\x00-\x00|\x00/\x00)\x00(\x00i\x00|\x00I\x00n\x00j\x00e\x00c\x00t\x00)\x00$\x00" | |
| $ss6 | texto | "\x2d(\x00?\x00i\x00)\x00(\x00-\x00|\x00-\x00-\x00|\x00/\x00)\x00(\x00c\x00|\x00C\x00l\x00e\x00a\x00n\x00)\x00$\x00" | |
| $tb1 | texto | "\x00SharpSploit.Execution.DynamicInvoke\x00" |
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).
- e91670423930cbbd3dbf5eac1f1a7cb6
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: 3befb3f2-81d1-5db2-84d9-773158b9837c
Metadatos
| rev | 1 |
|---|
Etiquetas:FILE
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