alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Cryptbot CnC Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/zip.php"; bsize:8; fast_pattern; http.header_names; content:"|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a|"; startswith; content:!"Referer"; http.request_body; content:"Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|"; content:"|2e|zip|22|"; distance:0; reference:url,app.any.run/tasks/8e3e870c-04a7-41eb-b52d-3a023185a395/; classtype:trojan-activity; sid:2046886; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_07_24, deployment Perimeter, malware_family Cryptbot, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_24;)