SEKOIA_Apt_Andariel_Keylogger_Strings

rule SEKOIA_Apt_Andariel_Keylogger_Strings : FILE
{
	meta:
		description = "Detects one of the Andariel keylogger"
		author = "Sekoia.io"
		id = "59e94bee-9bd4-4f72-9358-858956bb4787"
		date = "2024-06-17"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_andariel_keylogger_strings.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "671698af4fbaed3d19f3d3498263183909db9422a5a0a8f12ba119409773c505"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "Username:%s [%d/%02d/%02d %02d:%02d]" ascii fullword
		$ = "-------[%d/%02d/%02d %02d:%02d]"
		$ = "{Insert}"

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 300KB and 2 of them
}