alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER Generic Webshell Accessed on Internal Compromised Server"; flow:established,to_client; file.data; content:"<meta name=|22|Description|22 20|content=|22|Mr.Rm19"; nocase; content:">Time On Server : <font color="; nocase; distance:0; content:">Server IP : <font color="; nocase; distance:0; content:">Current Dir : </font><a href="; nocase; distance:0; content:">Mass Deface</a>"; nocase; distance:0; fast_pattern; classtype:web-application-attack; sid:2029939; 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;)