SEKOIA_Implant_Any_Sliver_Not_Stripped

rule SEKOIA_Implant_Any_Sliver_Not_Stripped : FILE
{
	meta:
		description = "Rule which detects non stripped Sliver PE/Dlls/ELFs/MAC-O."
		author = "Sekoia.io"
		id = "35543c7c-c39b-4f96-b37c-1d27736e40fc"
		date = "2021-11-08"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/implant_any_sliver_not_stripped.yar#L1-L24"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "5240f3ea1fb421697eeb12eb17d0b31c036b53f39c3a590473d87065b5d28e3e"
		score = 75
		quality = 80
		tags = "FILE"
		modification_date = "2021-12-22"
		version = "1.1"
		classification = "TLP:CLEAR"

	strings:
		$a1 = "github.com/bishopfox/sliver/implant/sliver/"

	condition:
		( uint16be( 0 ) == 0x4d5a or uint32be( 0 ) == 0x7f454c46 or uint32be( 0 ) == 0xcffaedfe ) and filesize < 11MB and filesize > 8MB and #a1 > 200
}