SEKOIA_Tool_Dogtunnel_Strings

rule SEKOIA_Tool_Dogtunnel_Strings : FILE
{
	meta:
		description = "Detects Dog Tunnel based on strings"
		author = "Sekoia.io"
		id = "00705613-6367-454f-b3f2-1e2b0a52459c"
		date = "2024-03-14"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_dogtunnel_strings.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "04e7141e67ba841b0955b9e36c43be1f5b22e635b96d58b8b1b52fd507ddd929"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "pipe.(*UDPMakeSession).doAndWait"
		$ = "ikcp.ikcp_parse_fastack"
		$ = "pipe.ListenWithSetting"
		$ = "pipe.DialTimeoutWithSetting"
		$ = "common.ReadUDP"

	condition:
		( uint32be( 0 ) == 0x7f454c46 or uint16be( 0 ) == 0x4d5a ) and all of them and filesize < 10MB
}