SEKOIA_Apt_Gelsemium_Wolfsbane_Launcher

rule SEKOIA_Apt_Gelsemium_Wolfsbane_Launcher : FILE
{
	meta:
		description = "Detects Gelsemium's WolfsBane launcher"
		author = "Sekoia.io"
		id = "26fbf4df-aa08-47b6-a73c-e8f80a408454"
		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_launcher.yar#L1-L21"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "87e437cf74ce4b1330b8af9ff71edae2"
		logic_hash = "9ecc3a8cb82f6183c263dde03a14f721d2e3aeb2338afc28e0368c323e5d51a9"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "rm -f /dev/shm/sem*%s"
		$ = "/etc/ld.so.preload"
		$ = "kill -9 %d 2>/dev/null"
		$ = "/,1d' %s 2>/dev/null"

	condition:
		uint32be( 0 ) == 0x7F454C46 and filesize < 500KB and all of them
}