DITEKSHEN_MALWARE_Win_Romcom_Loader

import "pe"

rule DITEKSHEN_MALWARE_Win_Romcom_Loader : FILE
{
	meta:
		description = "Hunt for RomCom loader"
		author = "ditekShen"
		id = "49a5398a-e28d-51e2-90d5-479d815f9967"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L10291-L10307"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "7aef88aa9f201c3a1852d63b17c14e44c7c2a7dfe94a9bc77897a4aa0eb97486"
		score = 75
		quality = 75
		tags = "FILE"

	condition:
		uint16( 0 ) == 0x5a4d and pe.is_dll ( ) and ( pe.exports ( "DllCanUnloadNow" ) and pe.exports ( "DllGetClassObject" ) and pe.exports ( "DllRegisterServer" ) and pe.exports ( "DllUnregisterServer" ) and pe.exports ( "GetProxyDllInfo" ) ) and for any fn in pe.export_details : ( fn.forward_name contains "Dll" )
}