SEKOIA_Apt_Badmagic_Commonmagic_Screenshot_Module

rule SEKOIA_Apt_Badmagic_Commonmagic_Screenshot_Module : FILE
{
	meta:
		description = "Detects CommonMagic related implants"
		author = "Sekoia.io"
		id = "d1ef0bd1-37dc-405f-b82b-288b1798455c"
		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_commonmagic_screenshot_module.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "caab57534a00620974f7d49c7b38a3f191aca596b69b3e4c499e3099023c2f9c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "%s_%02d.%02d.%04d_%02d.%02d.%02d.%03d.%s" wide
		$ = "Screenshot" wide
		$ = "\\\\.\\pipe\\PipeDtMd" wide

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