Rule History

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER Generic PHP Mailer Accessed on Internal Compromised Server"; flow:established,to_client; file.data; content:"<title>SMTP Mailer</title>"; nocase; fast_pattern; content:">Inbox SMTP Mailer</div>"; nocase; distance:0; classtype:web-application-attack; sid:2029949; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_17, deployment Perimeter, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_17;)