SEKOIA_Tool_Exploit_Rottenpotato_Strings

rule SEKOIA_Tool_Exploit_Rottenpotato_Strings : FILE
{
	meta:
		description = "Detects RottenPotato compiled binaries"
		author = "Sekoia.io"
		id = "453646d4-b128-40ea-8840-4c53b8f1e486"
		date = "2022-09-09"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_exploit_rottenpotato_strings.yar#L1-L27"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "c634fcced6889caf895ddf57bab5564fb2b0a4c83f1d6ba4dae655f2e5d935db"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "WSAStartup failed with error: %d"
		$ = "getaddrinfo failed with error: %d"
		$ = "RPC -> send failed with error: %d"
		$ = "RPC-> Connection closed"
		$ = "COM -> bytes sent: %d"
		$ = "COM -> recv failed with error: %d"
		$ = "Running %S with args %S"
		$ = "[-] Failed to create proc: %d"
		$ = "Waiting for auth..."
		$ = "Auth result: %d"
		$ = "SeImpersonatePrivilege" wide

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 1MB and 8 of them
}