alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/VBS Backdoor Sending System Information (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/post/weathermap"; bsize:16; fast_pattern; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|Win32|3b 20|WinHttp.WinHttpRequest.5)"; bsize:57; http.header_names; content:!"Referer"; http.request_body; content:"|7b 22|u|22 3a 22|"; startswith; content:"|22 2c 22|com|22 3a 22|"; distance:0; content:"|22 2c 22|os|22 3a 22|"; distance:0; content:"|22 2c 22|mac|22 3a 5b 22|"; distance:0; content:"|22 5d 2c 22|fs|22 3a 5b|"; reference:md5,f86ccd80bfc8975f90f358aad67b432f; reference:url,twitter.com/h2jazi/status/1630983583727747085; classtype:trojan-activity; sid:2044438; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_03_06, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_06; target:src_ip;)