Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Generic Webshell Password Prompt Accessed on External Compromised Server"; flow:established,to_client; file.data; content:"<form method=|22|POST|22|>|0d 0a|"; content:"Password|3a 0d 0a|"; distance:0; content:"<input type=|22|hidden|22 20|name=|22|auth|22 20|value=|22|"; distance:0; content:"<input type=|22|password|22 20|name=|22|password|22|>|0d 0a|"; distance:0; content:"<input type=|22|submit|22 20|value=|22|>>|22|>|0d 0a|"; fast_pattern; distance:0; classtype:web-application-attack; sid:2030500; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_07_13, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_13;)