YARA · Avast / Gen Digital IOC
AVASTTI_Cobaltstrike_Raw_Payload_Dns_Stager_X86_Utf16
No description has been set in the source file - AvastTI
Herramienta ofensivaCobalt StrikeAvast / Gen Digital IOCDetection Rule License 1.1Compila con YARA-X
- Autor
- Gen Threat Labs
- Fecha
- 2021-07-08
- Modificada
- 2026-03-11
- Puntuación / Calidad
- 75 / 90
Qué detecta esta regla
No description has been set in the source file - AvastTI
Familia de malware asociada: Cobalt Strike.
Define 1 patrones (0 de texto, 1 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
cobaltstrike-raw-payload-dns-stager-x86-utf16.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Dns_Stager_X86_Utf16
{
meta:
= "No description has been set in the source file - AvastTI"
= "Gen Threat Labs"
= "d148ca33-b233-519d-8ba4-d389de721d15"
= "2021-07-08"
= "2026-03-11"
= "https://github.com/gendigitalinc/ioc"
= "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/CobaltStrike/yara_rules/cs_rules.yar#L339-L354"
= "N/A"
= "3519d2af99a159483ba22cd87907bcc87bea1cfc2fb92f5f0334fff1c385ef00"
= 75
= 90
= ""
strings:
$h01 = { FC 00 E8 00 89 00 00 00 00 00 00 00 60 00 89 00 E5 00 31 00 D2 00 64 00 8B 00 52 00 30 00 8B 00 52 00 0C 00 8B 00 52 00 14 00 8B 00 72 00 28 }
condition:
uint32( @h01 + 0x0149 ) == 0xe5005300 and uint32( @h01 + 0x017d ) == 0x07002600 and uint32( @h01 + 0x0261 ) == 0xc9009c00 and uint32( @h01 + 0x0333 ) == 0x5600a200 and uint32( @h01 + 0x034b ) == 0xe0003500 and uint32( @h01 + 0x03cb ) == 0xcc008e00
}
Cadenas (1 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $h01 | hex | { FC 00 E8 00 89 00 00 00 00 00 00 00 60 00 89 00 E5 00 31 00 D2 00 64 00 8B 00 52 00 30 00 8B 00 52 00 0C 00 8B 00 52 00 14 00 8B 00 72 00 28 } |
Condición
uint32( @h01 + 0x0149 ) == 0xe5005300 and uint32( @h01 + 0x017d ) == 0x07002600 and uint32( @h01 + 0x0261 ) == 0xc9009c00 and uint32( @h01 + 0x0333 ) == 0x5600a200 and uint32( @h01 + 0x034b ) == 0xe0003500 and uint32( @h01 + 0x03cb ) == 0xcc008e00Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
Arrastra un archivo aquí o haz clic para elegirSe escanea en local con YARA-X. Archivos de hasta 200 MB.
Referencias
Licencia y atribución
Autor: Gen Threat Labs
Repositorio de origen: Avast / Gen Digital IOC @ a450ddabed
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: d148ca33-b233-519d-8ba4-d389de721d15
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