SEKOIA_Apt_Cloudatlas_Powertunnel

rule SEKOIA_Apt_Cloudatlas_Powertunnel : FILE
{
	meta:
		description = "Detects PowerTunnel DLL of CloudAtlas"
		author = "Sekoia.io"
		id = "04981493-de8b-4662-ae81-8866c182f8b2"
		date = "2022-11-29"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_cloudatlas_powertunnel.yar#L1-L21"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "aadb2739957d17c7e82e3abf7a178ab7b6e4a598fbbdb1a06d0c0531656d4ef6"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "BeginGetHostEntry"
		$ = "get_AddressList"
		$ = "time_stop_delay_seconds"
		$ = "<connect><result>{0}</result></connect>"
		$ = "_CorDllMain"

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 1MB and all of them
}