YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Hacktool_Win64_EXCAVATOR_1
No description has been set in the source file - FireEye-RT
- Autor
- FireEye
- Fecha
- 2020-11-30
- 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_APT_Hacktool_Win64_EXCAVATOR_1 : FILE
{
meta:
= "No description has been set in the source file - FireEye-RT"
= "FireEye"
= "e593b589-747d-53c2-a39a-57485e4f7641"
= "2020-11-30"
= "2020-11-30"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/EXCAVATOR/production/yara/APT_HackTool_Win64_EXCAVATOR_1.yar#L4-L19"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "6a9a114928554c26675884eeb40cc01b"
= "aa06628ddef0f95c4217b97a3476a0ee12e00d04c4827a512730598f3c80f1f6"
= 75
= 75
= "FILE"
= 3
strings:
$api1 = "PssCaptureSnapshot" fullword
$api2 = "MiniDumpWriteDump" fullword
$dump = { BA FD 03 00 AC [0-8] 41 B8 1F 00 10 00 48 8B ?? FF 15 [4] 85 C0 0F 85 [2] 00 00 [0-2] 48 8D 05 [5] 89 ?? 24 30 ( C7 44 24 28 80 00 00 00 48 8D 0D ?? ?? ?? ?? | 48 8D 0D ?? ?? ?? ?? C7 44 24 28 80 00 00 00 ) 45 33 C9 [0-5] 45 33 C0 C7 44 24 20 01 00 00 00 BA 00 00 00 10 [0-10] FF 15 [4] 48 8B ?? 48 83 F8 FF ( 74 | 0F 84 ) [1-4] 48 8B 4C 24 ?? 48 8D 44 24 ?? 48 89 44 24 30 ( 41 B9 02 00 00 00 | 44 8D 4D 02 ) ?? 89 ?? 24 28 4C 8B ?? 8B [2] 89 ?? 24 20 FF 15 [4] 48 8B ?? FF 15 [4] 48 8B ?? FF 15 [4] FF 15 [4] 48 8B 54 24 ?? 48 8B C8 FF 15 }
$lsass = { 6C 73 61 73 [6] 73 2E 65 78 [6] 65 }
condition:
(( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( uint16( uint32( 0x3C ) + 0x18 ) == 0x020B ) ) and all of them
}
Cadenas (4 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $api1 | texto | "PssCaptureSnapshot" | fullword |
| $api2 | texto | "MiniDumpWriteDump" | fullword |
| $dump | hex | { BA FD 03 00 AC [0-8] 41 B8 1F 00 10 00 48 8B ?? FF 15 [4] 85 C0 0F 85 [2] 00 00 [0-2] 48 8D 05 [5] 89 ?? 24 30 ( C7 44 24 28 80 00 00 00 48 8D 0D ?? ?? ?? ?? … | |
| $lsass | hex | { 6C 73 61 73 [6] 73 2E 65 78 [6] 65 } |
Condición
(( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and ( uint16( uint32( 0x3C ) + 0x18 ) == 0x020B ) ) 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).
- 6a9a114928554c26675884eeb40cc01b
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: e593b589-747d-53c2-a39a-57485e4f7641
Metadatos
| rev | 3 |
|---|
Etiquetas:FILE
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