YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Hacktool_MSIL_SHARPSTOMP_2
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 7 patrones (4 de texto, 3 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule FIREEYE_RT_APT_Hacktool_MSIL_SHARPSTOMP_2 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "d1a3477d-55c6-5c33-bd65-5b1e0d65f24b"
= "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/SHARPSTOMP/production/yara/APT_HackTool_MSIL_SHARPSTOMP_2.yar#L4-L22"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "83ed748cd94576700268d35666bf3e01"
= "4ed1553f12c607792d7d4e7026ecb36231cd417a06eba8b2925c2c643436b5fe"
= 75
= 75
= "FILE"
= 3
strings:
$f0 = "mscoree.dll" fullword nocase
$s0 = { 06 72 [4] 6F [4] 2C ?? 06 72 [4] 6F [4] 2D ?? 72 [4] 28 [4] 28 [4] 2A }
$s1 = { 02 28 [4] 0A 02 28 [4] 0B 02 28 [4] 0C 72 [4] 28 [4] 72 }
$s2 = { 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 72 }
$s3 = "SetCreationTime" fullword
$s4 = "GetLastAccessTime" fullword
$s5 = "SetLastAccessTime" fullword
condition:
( uint16( 0 ) == 0x5A4D ) and ( uint32( uint32( 0x3C ) ) == 0x00004550 ) and all of them
}
Cadenas (7 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $f0 | texto | "mscoree.dll" | fullword nocase |
| $s0 | hex | { 06 72 [4] 6F [4] 2C ?? 06 72 [4] 6F [4] 2D ?? 72 [4] 28 [4] 28 [4] 2A } | |
| $s1 | hex | { 02 28 [4] 0A 02 28 [4] 0B 02 28 [4] 0C 72 [4] 28 [4] 72 } | |
| $s2 | hex | { 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 02 28 [4] 0D 12 ?? 03 6C 28 [4] 28 [4] 72 } | |
| $s3 | texto | "SetCreationTime" | fullword |
| $s4 | texto | "GetLastAccessTime" | fullword |
| $s5 | texto | "SetLastAccessTime" | 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).
- 83ed748cd94576700268d35666bf3e01
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: d1a3477d-55c6-5c33-bd65-5b1e0d65f24b
Metadatos
| rev | 3 |
|---|
Etiquetas:FILE
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