alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE Backdoor reDuh http tunnel"; flow:to_server,established; threshold:type limit, track by_src, count 1, seconds 300; http.uri; content:"?action=getData&servicePort="; http.user_agent; content:"Java/"; reference:url,www.sensepost.com/labs/tools/pentest/reduh; classtype:trojan-activity; sid:2011668; rev:7; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_22;)