SEKOIA_Apt_Agent_Racoon_Strings

rule SEKOIA_Apt_Agent_Racoon_Strings : FILE
{
	meta:
		description = "Detects Agent Racoon used by CL-STA-0002"
		author = "Sekoia.io"
		id = "ec89f1db-0ba8-48c8-8c1a-c38c410f3e39"
		date = "2023-12-05"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_agent_racoon_strings.yar#L1-L24"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "4e32606edffab0907e343ab2fef8642c0064d83c2933531619f9dee8957d2fe4"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "Command failed:" wide
		$ = "Not uploaded:" wide
		$ = "Not downloaded:" wide
		$ = "xn--cc" wide
		$ = "xn--ac" wide
		$ = "xn--bc" wide
		$ = "cmd.exe" wide
		$ = ".xn--" wide

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