Rule History

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER Generic Webshell Password Prompt Accessed on Internal Compromised Server"; flow:established,to_client; file.data; content:"<form method=post>Password<br><input type=password name=pass style='background-color:whitesmoke|3b|border:1px solid #FFF|3b|outline:none|3b|' required>"; content:"<input type=submit name='watching' value='submit' style='border:none|3b|background-color:#56AD15|3b|color:#fff|3b|cursor:pointer|3b|'></form>"; distance:0; fast_pattern; classtype:web-application-attack; sid:2029901; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_14, deployment Perimeter, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_14;)