ET EXPLOIT Possible Authenticated Command Injection Inbound - Comtrend VR-3033 (CVE-2020-10173)

alert http $EXTERNAL_NET any -> any any (
    msg:"ET EXPLOIT Possible Authenticated Command Injection Inbound - Comtrend VR-3033 (CVE-2020-10173)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"ping.cgi?pingIpAddress="; fast_pattern;
    content:"|3b|"; distance:0;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-mirai-variant-expands-arsenal-exploits-cve-2020-10173/;
    reference:cve,2020-10173;
    classtype:attempted-admin;
    sid:2030502; rev:1;
    metadata:attack_target Networking_Equipment, created_at 2020_07_13, cve CVE_2020_10173, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_13, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
)