SEKOIA_Apt_Gelsemium_Wolfsbane_Rootkit

rule SEKOIA_Apt_Gelsemium_Wolfsbane_Rootkit : FILE
{
	meta:
		description = "Detects Gelsemium's WolfsBane rootkit"
		author = "Sekoia.io"
		id = "e93f4515-62f5-4057-a464-aae11cbe0639"
		date = "2024-11-22"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_gelsemium_wolfsbane_rootkit.yar#L1-L24"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "ba08e63ad65a9bdcdb1655f25d32c808"
		logic_hash = "a7440e1b4c0bbff0d80d7152e3bfb0867abe9b0151b45f88aa656f3c9a55b303"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "__non_hooked_symbols"
		$ = "__hidden_literals"
		$ = "extract_type_2_socket_inode2"
		$ = "/proc/%s/fd"
		$ = "pluginkey" wide
		$ = "mainpath" wide
		$ = "hiderpath" wide

	condition:
		uint32be( 0 ) == 0x7f454c46 and filesize < 1MB and all of them
}