SEKOIA_Apt_Uac0154_Powershell_Infection_Chain_2

rule SEKOIA_Apt_Uac0154_Powershell_Infection_Chain_2 : FILE
{
	meta:
		description = "UAC-0154 Infection chain"
		author = "Sekoia.io"
		id = "6fe37d52-9bd3-4aa8-83ba-15399bd1b66c"
		date = "2023-10-02"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_uac0154_powershell_infection_chain_2.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "029d88971030a377b3c93ba4c986668e53b01ee03ba94a0a4ceb54b20b72ff2d"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "files.catbox.moe"
		$ = "$pse = $pse.Replace"
		$ = "start -WindowStyle Hidden -FilePath $p"
		$ = "-bxor $xorMask"
		$ = "SysctlHost"

	condition:
		4 of them and filesize < 100KB
}