alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING [TW] EvilProxy AiTM Network Reporting"; flow:established,to_client; content:"Server|3a 20|nginx/"; content:"|0d 0a|access-control-allow-origin|3a 20 2a 0d 0a|"; content:"|0d 0a|Report-To|3a 20 7b 22|group|22 3a 22|network-errors|22 2c 22|max_age|22 3a|86400|2c 22|endpoints|22 3a 5b 7b 22|url|22 3a 22|"; content:"/api/report?catId=GW+estsfd+"; distance:0; fast_pattern; classtype:social-engineering; sid:2037862; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_29;)