SEKOIA_Infostealer_Win_Whitesnake_Stealer_Feb23

rule SEKOIA_Infostealer_Win_Whitesnake_Stealer_Feb23 : FILE
{
	meta:
		description = "Finds WhiteSnake samples (stealer module)"
		author = "Sekoia.io"
		id = "68ae7fbc-4486-4b60-af5e-f37ddc58f170"
		date = "2023-03-01"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_whitesnake_stealer_feb23.yar#L1-L31"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "90007c38c644b79b2a60d9a252bd95071c5be57c649d73b66a73a1158cddc2fb"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$fun01 = "Ibhiyptxjhiacrnxomvqjb" ascii
		$fun02 = "Irwcvmgzsduiiizaabbczm" ascii
		$whi = "WhiteSnake.Properties.Resources" ascii
		$str01 = "get_UtcNow" ascii
		$str02 = "get_IPAddress" ascii
		$str03 = "get_Ticks" ascii
		$str04 = "set_commands" ascii
		$str05 = "set_Information" ascii
		$str06 = "set_filedata" ascii
		$str07 = "get_Jpeg" ascii
		$str08 = "set_Culture" ascii
		$str09 = "MakeScreenshot" ascii

	condition:
		uint16( 0 ) == 0x5A4D and ( ( all of ( $fun* ) or $whi ) and 3 of ( $str* ) or 7 of ( $str* ) ) and filesize < 100KB
}