alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SickleBot Reporting User Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"id="; nocase; http.user_agent; content:"SickleBot"; fast_pattern; startswith; classtype:trojan-activity; sid:2002776; rev:8; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_02_19;)