alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Possible Linkedin Phishing Domain Dec 09 2016"; flow:to_server,established; threshold:type limit, count 1, track by_src, seconds 30; http.method; content:"GET"; http.host; content:"linkedin.com"; fast_pattern; isdataat:20,relative; classtype:social-engineering; sid:2023596; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_12_09, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_08_17;)