Saltar al contenido
yararules.org
Menú

YARA · Avast / Gen Digital IOC

AVASTTI_Cobaltstrike_Raw_Payload_Tcp_Bind_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

Descargar .yar
cobaltstrike-raw-payload-tcp-bind-x86-utf16.yarDetection Rule License 1.1
rule AVASTTI_Cobaltstrike_Raw_Payload_Tcp_Bind_X86_Utf16
{
	meta:
		description = "No description has been set in the source file - AvastTI"
		author = "Gen Threat Labs"
		id = "7f17985d-b245-5e95-9b35-af669aafc263"
		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#L375-L396"
		license_url = "N/A"
		logic_hash = "2c5ac98ffbea197d14cd6e508729885b5f86adbace0a6d978664908e070965cf"
		score = 75
		quality = 90
		tags = ""

	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 + 0x013b ) == 0x07002600 and uint32( @h01 + 0x015b ) == 0x00006b00 and uint32( @h01 + 0x0179 ) == 0xe000df00 and uint32( @h01 + 0x01ad ) == 0x67003700 and uint32( @h01 + 0x01bf ) == 0xff003800 and uint32( @h01 + 0x01d3 ) == 0xe1003b00 and uint32( @h01 + 0x01e5 ) == 0x61004d00 and uint32( @h01 + 0x01f7 ) == 0x5600a200 and uint32( @h01 + 0x0211 ) == 0x5f00c800 and uint32( @h01 + 0x0237 ) == 0xe5005300 and uint32( @h01 + 0x0253 ) == 0x5f00c800 and uint32( @h01 + 0x027d ) == 0x61004d00
}

Cadenas (1 patrones)

IdentificadorTipoValorModificadores
$h01hex{ 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 + 0x013b ) == 0x07002600 and uint32( @h01 + 0x015b ) == 0x00006b00 and uint32( @h01 + 0x0179 ) == 0xe000df00 and uint32( @h01 + 0x01ad ) == 0x67003700 and uint32( @h01 + 0x01bf ) == 0xff003800 and uint32( @h01 + 0x01d3 ) == 0xe1003b00 and uint32( @h01 + 0x01e5 ) == 0x61004d00 and uint32( @h01 + 0x01f7 ) == 0x5600a200 and uint32( @h01 + 0x0211 ) == 0x5f00c800 and uint32( @h01 + 0x0237 ) == 0xe5005300 and uint32( @h01 + 0x0253 ) == 0x5f00c800 and uint32( @h01 + 0x027d ) == 0x61004d00

Prueba 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.

Abrir en el editor

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: 7f17985d-b245-5e95-9b35-af669aafc263

Reglas relacionadas

Más reglas de Cobalt Strike