alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ShadowLink IoT Botnet CnC Tasking Request"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:4; content:"/b/q"; fast_pattern; reference:url,ctrlaltintel.com/research/ProxyPCP/; classtype:trojan-activity; sid:2068792; rev:1; metadata:affected_product IoT, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2026_04_15, deployment Perimeter, deployment SSLDecrypt, malware_family ShadowLink, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_04_15; target:src_ip;)