YARA · Avast / Gen Digital IOC
AVASTTI_Cobaltstrike_Raw_Payload_Smb_Stager_X86
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-smb-stager-x86.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Smb_Stager_X86
{
meta:
= "No description has been set in the source file - AvastTI"
= "Gen Threat Labs"
= "29911a14-08ea-54de-9c07-630c6516bd49"
= "2021-07-08"
= "2026-03-11"
= "https://github.com/gendigitalinc/ioc"
= "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/CobaltStrike/yara_rules/cs_rules.yar#L28-L57"
= "N/A"
= "7459bcb0353f114a869aa61adc0229197ca9a1cfce0741dc227fabbeea2afba9"
= 75
= 90
= ""
strings:
$h01 = { FC E8 89 00 00 00 60 89 E5 31 D2 64 8B 52 30 8B 52 0C 8B 52 14 8B 72 28 }
condition:
uint32( @h01 + 0x00a1 ) == 0xe553a458 and uint32( @h01 + 0x00c4 ) == 0xd4df7045 and uint32( @h01 + 0x00d2 ) == 0xe27d6f28 and uint32( @h01 + 0x00f8 ) == 0xbb5f9ead and uint32( @h01 + 0x010d ) == 0xbb5f9ead and uint32( @h01 + 0x0131 ) == 0xfcddfac0 and uint32( @h01 + 0x0139 ) == 0x528796c6 and uint32( @h01 + 0x014b ) == 0x56a2b5f0
}
Cadenas (1 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $h01 | hex | { FC E8 89 00 00 00 60 89 E5 31 D2 64 8B 52 30 8B 52 0C 8B 52 14 8B 72 28 } |
Condición
uint32( @h01 + 0x00a1 ) == 0xe553a458 and uint32( @h01 + 0x00c4 ) == 0xd4df7045 and uint32( @h01 + 0x00d2 ) == 0xe27d6f28 and uint32( @h01 + 0x00f8 ) == 0xbb5f9ead and uint32( @h01 + 0x010d ) == 0xbb5f9ead and uint32( @h01 + 0x0131 ) == 0xfcddfac0 and uint32( @h01 + 0x0139 ) == 0x528796c6 and uint32( @h01 + 0x014b ) == 0x56a2b5f0Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
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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: 29911a14-08ea-54de-9c07-630c6516bd49
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