alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE Backdoor reDuh http initiate"; flow:to_server,established; http.uri; content:"?action=checkPort&port="; http.user_agent; content:"Java/"; reference:url,www.sensepost.com/labs/tools/pentest/reduh; classtype:trojan-activity; sid:2011667; rev:7; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_22;)