alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Malicious VBE Script (COVID-19 Phish 2020-04-03)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"id=covid"; fast_pattern; depth:8; http.user_agent; content:"Mozilla/4.0 (compatible|3b| Win32|3b| WinHttp.WinHttpRequest.5)"; http.header_names; content:!"Referer"; reference:md5,7d9a1ed7057e1b5c574ddccc9d45c3eb; classtype:trojan-activity; sid:2029812; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_04_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_03;)