alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MAGICHOUND.FETCH Retrieving Malicious PowerShell"; flow:established,to_server; urilen:8; http.method; content:"GET"; http.uri; content:"/pro.bat"; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; reference:md5,97454efcab28e64ac5400e63780af764; reference:url,researchcenter.paloaltonetworks.com/2017/01/unit42-second-wave-shamoon-2-attacks-identified/; classtype:trojan-activity; sid:2023948; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, malware_family MAGICHOUND_FETCH, confidence High, signature_severity Major, updated_at 2020_10_08;)