SEKOIA_Tool_Revsocks_Strings

rule SEKOIA_Tool_Revsocks_Strings : FILE
{
	meta:
		description = "Detects revsocks client"
		author = "Sekoia.io"
		id = "f5f34e74-0795-4c81-a385-218a8197a0b7"
		date = "2024-03-07"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_revsocks_strings.yar#L1-L25"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "f1702aaaebc1ba720f688f0694a69fef55a2556b1f07dd4b846be1ae32ff5529"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "reverse socks5 server/client by kost" ascii fullword
		$ = "github.com/kost/"
		$ = "revsocks -listen"
		$ = "Start on the DNS server: revsocks -dns"
		$ = "crypto/aes."

	condition:
		( uint32be( 0 ) == 0x7f454c46 or uint16be( 0 ) == 0x4d5a or uint32be( 0 ) == 0xfeedface or uint32be( 0 ) == 0xfeedfacf or uint32be( 0 ) == 0xcafebabe or uint32be( 0 ) == 0xCFFAEDFE ) and 3 of them
}