SEKOIA_Generic_Sharpshooter_Payload_7

rule SEKOIA_Generic_Sharpshooter_Payload_7 : FILE
{
	meta:
		description = "Detects payload created by SharpShooter"
		author = "Sekoia.io"
		id = "de8069bb-59d7-4753-974a-f77c4b9e9bae"
		date = "2023-02-03"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/generic_sharpshooter_payload_7.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "27b5f3d24f7269e80b628be044d828d365fdba25891a5a1ecc973c419cf1dc6c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "ms.Write(ba, 0, (length / 4) * 3)"
		$ = "var serialized_obj = "
		$ = "var n = fmt.SurrogateSelector;"
		$ = "var o = d.DynamicInvoke(al.ToArray())"

	condition:
		all of them and filesize < 2MB
}