alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING GET Request to Appspot Hosting (set)"; flow:established,to_server; flowbits:set,ET.appspothosted; flowbits:noalert; http.method; content:"GET"; http.host; content:".appspot.com"; fast_pattern; endswith; classtype:social-engineering; sid:2030709; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_08_21, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_21;)