SEKOIA_Backdoor_Powershellempire_Sharpire

rule SEKOIA_Backdoor_Powershellempire_Sharpire : FILE
{
	meta:
		description = "Detect Sharpire version of Empire"
		author = "Sekoia.io"
		id = "fed21fbd-52ed-4649-a1ff-56eae57fc9ef"
		date = "2022-04-15"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/backdoor_powershellempire_sharpire.yar#L1-L19"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "a4da54a16ee1ac3dea3b3b5a5983638ea28fd1e6d580cd48db595f15a92817a1"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "GetAgentID" ascii wide
		$ = "SetAgentID" ascii wide
		$ = "StartAgentJob" ascii wide
		$ = "get_JobThread" ascii wide
		$ = "GetStagerURI" ascii wide

	condition:
		uint16be( 0 ) == 0x4d5a and 4 of them and filesize < 1MB
}