YARA · Signature Base (Florian Roth / Nextron)
SIGNATURE_BASE_APT_Backdoor_Win_Gorat_Memory_1
Identifies GoRat malware in memory based on strings.
- Autor
- FireEye
- Fecha
- 2020-12-08
- Modificada
- 2025-02-12
- Puntuación / Calidad
- 75 / 85
Qué detecta esta regla
Identifies GoRat malware in memory based on strings.
Define 12 patrones (12 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 SIGNATURE_BASE_APT_Backdoor_Win_Gorat_Memory_1
{
meta:
= "Identifies GoRat malware in memory based on strings."
= "FireEye"
= "4fcdd98f-1873-58e1-a9f5-73ee0aa5a69f"
= "2020-12-08"
= "2025-02-12"
= "https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_fireeye_redteam_tools.yar#L1013-L1039"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
= "3b926b5762e13ceec7ac3a61e85c93bb"
= "bf8d80b7a7d35c1bcb353ff66d10bc95c2e6502043acc6554887465a467cdcf7"
= 75
= 85
= ""
strings:
$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 3 of ( $rat* )
}
Cadenas (12 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $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 3 of ( $rat* )En palabras sencillas (Heurística)
- Deben coincidir al menos 3 patrones de ( $rat* ).
- 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: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a
Licencia: Detection Rule License 1.1 (licencia del repositorio)
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: 4fcdd98f-1873-58e1-a9f5-73ee0aa5a69f
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