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YARA · Avast / Gen Digital IOC

AVASTTI_Cobaltstrike_Raw_Payload_Tcp_Bind_X64_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

Descargar .yar
cobaltstrike-raw-payload-tcp-bind-x64-utf16.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Tcp_Bind_X64_Utf16
{
	meta:
		description = "No description has been set in the source file - AvastTI"
		author = "Gen Threat Labs"
		id = "bd52fb44-379a-5c82-9c7c-b10c8080b53f"
		date = "2021-07-08"
		modified = "2026-03-11"
		reference = "https://github.com/gendigitalinc/ioc"
		source_url = "https://github.com/avast/ioc/blob/a450ddabed95984422909c75ac52b6841f685983/CobaltStrike/yara_rules/cs_rules.yar#L398-L418"
		license_url = "N/A"
		logic_hash = "cdd8e0c9bdaf8d7662a118964abdea8eaea6c0e17fe1f20a80497c0c43d496d6"
		score = 75
		quality = 90
		tags = ""

	strings:
		$h01 = { FC 00 48 00 83 00 E4 00 F0 00 E8 00 C8 00 00 00 00 00 00 00 41 00 51 00 41 00 50 00 52 00 51 00 56 00 48 00 31 00 D2 00 65 00 48 00 8B 00 52 }

	condition:
		uint32( @h01 + 0x0203 ) == 0x07002600 and uint32( @h01 + 0x0225 ) == 0x00006b00 and uint32( @h01 + 0x025d ) == 0xe000df00 and uint32( @h01 + 0x0287 ) == 0x67003700 and uint32( @h01 + 0x02a3 ) == 0xff003800 and uint32( @h01 + 0x02c5 ) == 0xe1003b00 and uint32( @h01 + 0x02e1 ) == 0x61004d00 and uint32( @h01 + 0x0333 ) == 0x5f00c800 and uint32( @h01 + 0x0373 ) == 0xe5005300 and uint32( @h01 + 0x03a7 ) == 0x5f00c800 and uint32( @h01 + 0x03df ) == 0x61004d00
}

Cadenas (1 patrones)

IdentificadorTipoValorModificadores
$h01hex{ FC 00 48 00 83 00 E4 00 F0 00 E8 00 C8 00 00 00 00 00 00 00 41 00 51 00 41 00 50 00 52 00 51 00 56 00 48 00 31 00 D2 00 65 00 48 00 8B 00 52 }

Condición

uint32( @h01 + 0x0203 ) == 0x07002600 and uint32( @h01 + 0x0225 ) == 0x00006b00 and uint32( @h01 + 0x025d ) == 0xe000df00 and uint32( @h01 + 0x0287 ) == 0x67003700 and uint32( @h01 + 0x02a3 ) == 0xff003800 and uint32( @h01 + 0x02c5 ) == 0xe1003b00 and uint32( @h01 + 0x02e1 ) == 0x61004d00 and uint32( @h01 + 0x0333 ) == 0x5f00c800 and uint32( @h01 + 0x0373 ) == 0xe5005300 and uint32( @h01 + 0x03a7 ) == 0x5f00c800 and uint32( @h01 + 0x03df ) == 0x61004d00

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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)

Regla original

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: bd52fb44-379a-5c82-9c7c-b10c8080b53f

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