Versions (2)
Version DetailsCurrent
Rev: 3 • Jul 30, 2010, 12:00 PMET DELETED SMTP US Secret COMINT
alert tcp $SMTP_SERVERS any -> $EXTERNAL_NET 25 (msg:"ET DELETED SMTP US Secret COMINT"; flow:to_server,established; content:"Subject|3A|"; pcre:"/(?<!TOP\s|T)(SECRET|S)//[\s\w,/-]*(COMINT|SI)[\s\w,/-]*(?=//(25)?X[1-9])/ism"; classtype:policy-violation; sid:2002428; rev:3; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-deleted.rules