alert http any any -> $HOME_NET any (msg:"ET MALWARE PolarEdge TLS Backdoor Installation Attempt"; flow:established,to_server; http.uri; content:"/cgi-bin/"; startswith; pcre:"/^(?:config|config_mirror)\x2eexp\x3f/R"; content:"/tmp|3b|busybox"; distance:0; fast_pattern; content:"ftpget"; distance:0; http.header; content:"Referer|3a 20|https|3a 2f 2f|"; content:".htm|0d 0a|"; distance:0; reference:url,blog.sekoia.io/polaredge-unveiling-an-uncovered-iot-botnet/; classtype:attempted-admin; sid:2060442; rev:1; metadata:affected_product IoT, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_02_28, deployment Perimeter, deployment Internal, malware_family PolarEdge, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_02_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)