Rule History

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER Generic Mailer Accessed on Internal Compromised Server"; flow:established,to_client; file.data; content:"<title>Inbox To All"; nocase; fast_pattern; content:"<input type=|22|hidden|22 20|name=|22|vai|22|"; distance:0; classtype:web-application-attack; sid:2031679; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_03_01, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_01;)