alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110] (msg:"SENSITIVE-DATA Credit Card Numbers"; metadata:service http, service smtp, service ftp-data, service imap, service pop3; sd_pattern:2,credit_card; classtype:sdf; sid:2; gid:138; rev:1;) alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110] (msg:"SENSITIVE-DATA U.S. Social Security Numbers (with dashes)"; metadata:service http, service smtp, service ftp-data, service imap, service pop3; sd_pattern:2,us_social; classtype:sdf; sid:3; gid:138; rev:1;) #alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110] (msg:"SENSITIVE-DATA U.S. Social Security Numbers (w/out dashes)"; metadata:service http, service smtp, service ftp-data, service imap, service pop3; sd_pattern:20,us_social_nodashes; classtype:sdf; sid:4; gid:138; rev:1;) alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110] (msg:"SENSITIVE-DATA Email Addresses"; metadata:service http, service smtp, service ftp-data, service imap, service pop3; sd_pattern:20,email; classtype:sdf; sid:5; gid:138; rev:1;) alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110] (msg:"SENSITIVE-DATA U.S. Phone Numbers"; metadata:service http, service smtp, service ftp-data, service imap, service pop3; sd_pattern:20,(\d{3}) ?\d{3}-\d{4}; classtype:sdf; sid:6; gid:138; rev:1;)