SEKOIA_Tool_Efspotato

rule SEKOIA_Tool_Efspotato : FILE
{
	meta:
		description = "No description has been set in the source file - SEKOIA"
		author = "Sekoia.io"
		id = "4440ea37-d7d0-4107-867c-576c6e2f4f7e"
		date = "2023-08-23"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_efspotato.yar#L1-L17"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "cbfd72a16f02903b1ad6fdf3e25f6c5508145d6be4c1776bb77f1ccd6c1954b3"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = "usage: EfsPotato <cmd> [pipe]" ascii wide
		$s2 = "Exploit for EfsPotato(MS-EFSR EfsRpcEncryptFileSrv with SeImpersonatePrivilege local privalege escalation vulnerability)." ascii wide
		$s3 = "Part of GMH's fuck Tools, Code By zcgonvh." ascii wide

	condition:
		( uint32be( 0 ) == 0x7f454c46 or uint16be( 0 ) == 0x4d5a ) and filesize < 4MB and all of them
}