alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Zipped Filename in Outbound POST Request (Information.html) M2"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name="; content:".zip|22 0d 0a|"; within:150; content:"|0d 0a|PK"; distance:0; content:"Information.html"; fast_pattern; nocase; distance:0; reference:md5,8a5761a2d8a5730e5f6edaf558781897; classtype:trojan-activity; sid:2039116; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_06;)