YARA · Mandiant red team tool countermeasures
FIREEYE_RT_APT_Backdoor_Win_Gorat_Memory
Identifies GoRat malware in memory based on strings.
- Autor
- FireEye
- Fecha
- 2020-12-08
- Modificada
- 2020-12-09
- Puntuación / Calidad
- 75 / 75
Qué detecta esta regla
Identifies GoRat malware in memory based on strings.
Define 13 patrones (13 de texto, 0 hex, 0 regex).
YARA-X dice: warning[duplicate_pattern_value]: duplicate pattern value
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule FIREEYE_RT_APT_Backdoor_Win_Gorat_Memory
{
meta:
= "Identifies GoRat malware in memory based on strings."
= "FireEye"
= "16fb1db7-711c-5d8d-9203-738c94f253fe"
= "2020-12-08"
= "2020-12-09"
= "https://github.com/mandiant/red_team_tool_countermeasures/"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/rules/REDFLARE (Gorat)/production/yara/APT_Backdoor_Win_GoRat_Memory.yar#L4-L27"
= "https://github.com/mandiant/red_team_tool_countermeasures//blob/3561b71724dbfa3e2bb78106aaa2d7f8b892c43b/LICENSE.txt"
= "3b926b5762e13ceec7ac3a61e85c93bb"
= "88272e59325d106f96d6b6f1d57daf968823c1e760067dee0334c66c521ce8c2"
= 75
= 75
= ""
= 1
strings:
$murica = "murica" fullword
$rat1 = "rat/modules/socks.(*HTTPProxyClient).beacon" fullword
$rat2 = "rat.(*Core).generateBeacon" fullword
$rat3 = "rat.gJitter" fullword
$rat4 = "rat/comms.(*protectedChannel).SendCmdResponse" fullword
$rat5 = "rat/modules/filemgmt.(*acquire).NewCommandExecution" fullword
$rat6 = "rat/modules/latlisten.(*latlistensrv).handleCmd" fullword
$rat7 = "rat/modules/netsweeper.(*netsweeperRunner).runSweep" fullword
$rat8 = "rat/modules/netsweeper.(*Pinger).listen" fullword
$rat9 = "rat/modules/socks.(*HTTPProxyClient).beacon" fullword
$rat10 = "rat/platforms/win/dyloader.(*memoryLoader).ExecutePluginFunction" fullword
$rat11 = "rat/platforms/win/modules/namedpipe.(*dummy).Open" fullword
$winblows = "rat/platforms/win.(*winblows).GetStage" fullword
condition:
$winblows or #murica > 10 or 3 of ( $rat* )
}
Cadenas (13 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $murica | texto | "murica" | fullword |
| $rat1 | texto | "rat/modules/socks.(*HTTPProxyClient).beacon" | fullword |
| $rat2 | texto | "rat.(*Core).generateBeacon" | fullword |
| $rat3 | texto | "rat.gJitter" | fullword |
| $rat4 | texto | "rat/comms.(*protectedChannel).SendCmdResponse" | fullword |
| $rat5 | texto | "rat/modules/filemgmt.(*acquire).NewCommandExecution" | fullword |
| $rat6 | texto | "rat/modules/latlisten.(*latlistensrv).handleCmd" | fullword |
| $rat7 | texto | "rat/modules/netsweeper.(*netsweeperRunner).runSweep" | fullword |
| $rat8 | texto | "rat/modules/netsweeper.(*Pinger).listen" | fullword |
| $rat9 | texto | "rat/modules/socks.(*HTTPProxyClient).beacon" | fullword |
| $rat10 | texto | "rat/platforms/win/dyloader.(*memoryLoader).ExecutePluginFunction" | fullword |
| $rat11 | texto | "rat/platforms/win/modules/namedpipe.(*dummy).Open" | fullword |
| $winblows | texto | "rat/platforms/win.(*winblows).GetStage" | fullword |
Condición
$winblows or #murica > 10 or 3 of ( $rat* )En palabras sencillas (Heurística)
- Deben coincidir al menos 3 patrones de ( $rat* ).
- El patrón $murica debe aparecer > 10 veces.
- El patrón $winblows debe estar presente.
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).
- 3b926b5762e13ceec7ac3a61e85c93bb
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: 16fb1db7-711c-5d8d-9203-738c94f253fe
Metadatos
| rev | 1 |
|---|
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