SEKOIA_Tool_Bore_Rust_Any_Platform

rule SEKOIA_Tool_Bore_Rust_Any_Platform : FILE
{
	meta:
		description = "Detects bore tunneling tool"
		author = "Sekoia.io"
		id = "c0ec0d72-de8e-4b96-9db6-a7a4e2f693f1"
		date = "2023-07-28"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_bore_rust_any_platform.yar#L1-L28"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "c51d75088897aaffef904d560f750d780a0c814b89bf433a05189fbf7bb3285c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "bore_cli::" ascii
		$ = "server handshake failed" ascii
		$ = "server listening" ascii
		$ = "connected to server" ascii
		$ = "server requires authentication, but no client secret was provided" ascii
		$ = "client port number too low" ascii
		$ = "forwarding connection" ascii
		$ = "Address of the remote server to expose local ports" ascii

	condition:
		( uint32be( 0 ) == 0x7f454c46 or uint32be( 0 ) == 0xfeedface or uint32be( 0 ) == 0xfeedfacf or uint32be( 0 ) == 0xcafebabe or uint16be( 0 ) == 0x4d5a ) and filesize < 15MB and 5 of them
}