Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server"; flow:established,to_client; file.data; content:"<pre align=center><form method=post>Password<br><input type=password name=pass"; nocase; content:"background-color|3a|whitesmoke|3b|border"; distance:0; content:"type=submit name='watching' value='Login'"; distance:0; fast_pattern; classtype:web-application-attack; sid:2030662; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_08_06, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_06;)