SEKOIA_Apt_Rusticweb_Stealer

rule SEKOIA_Apt_Rusticweb_Stealer : FILE
{
	meta:
		description = "Detects stealer used by RusticWeb"
		author = "Sekoia.io"
		id = "813072e0-28de-4cb7-b2cc-71d77a1e8508"
		date = "2024-01-09"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_rusticweb_stealer.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "68f802ef442e68cbcca789eae2bb8a4395af86699320e5a8101c07469e7555fb"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = "-FTT=@"
		$s2 = "https://oshi.at"
		$s3 = "curl-T"
		$s4 = "upload/upload.php"
		$s5 = "cargo"

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 4MB and 3 of them
}