SEKOIA_Hacktool_Stowaway_Strings

rule SEKOIA_Hacktool_Stowaway_Strings : FILE
{
	meta:
		description = "Detects Stowaway based on strings"
		author = "Sekoia.io"
		id = "a952b45a-269b-4075-bf72-16d6d863e97c"
		date = "2023-11-15"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/hacktool_stowaway_strings.yar#L1-L24"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "10d28637e47d43497923a192c9e3a8bb35b480a314c71132866bdf0e49c2c460"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "agent.CloseLowConn"
		$ = "agent.CloseListener"
		$ = "agent.SimpleNodeInit"
		$ = "agent.HandleConnToLowerNode"
		$ = "agent.HandleConnFromLowerNode"
		$ = "common.NewPassToLowerNodeData"
		$ = "agent.HandleSimpleNodeConn"
		$ = "agent.HandleConnToUpperNode"
		$ = "agent.HandleConnFromUpperNode"
		$ = "agent.StartSocks"

	condition:
		( uint32be( 0 ) == 0x7f454c46 or uint16be( 0 ) == 0x4d5a ) and all of them
}