alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET PHISHING Mailbox Renewal Phish Landing Nov 13"; flow:established,from_server; file_data; content:"<title>Mailbox renewal"; fast_pattern; nocase; content:"autorised email address"; nocase; distance:0; content:"To complete this autorization"; nocase; distance:0; content:"Online MailBox Renewal"; nocase; distance:0; classtype:social-engineering; sid:2022083; rev:2; metadata:created_at 2015_11_13, confidence Medium, signature_severity Major, updated_at 2019_07_26;)