SEKOIA_Apt_Badmagic_Ld_Dll_Loader_Pshscript

rule SEKOIA_Apt_Badmagic_Ld_Dll_Loader_Pshscript : FILE
{
	meta:
		description = "Detects BadMagic DLL Loader powershell script"
		author = "Sekoia.io"
		id = "d4a23afc-693f-4fab-b2c4-15eecba047f7"
		date = "2023-05-15"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_badmagic_ld_dll_loader_pshscript.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "8482521fe1f90c008948e551df35448b870145cf8b58f3c5019cafb66bb0ae36"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "$ModulePath = \"$folder_path\\$name"
		$ = "$ModuleExport ="
		$ = "start-job -ScriptBlock $ScriptBlock"
		$ = "Invoke-WebRequest -Uri"

	condition:
		all of them and filesize < 1KB
}