ET MALWARE Lemon_Duck Powershell CnC Checkin M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Lemon_Duck Powershell CnC Checkin M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".jsp?";
    content:"&"; distance:0;
    content:"-"; distance:8; within:1;
    content:"&"; distance:0;
    content:"|3a|"; distance:2; within:1;
    content:"&"; distance:0;
    content:"&"; distance:0;
    content:"&"; distance:0;
    content:"&"; distance:0;
    content:"&"; distance:0;
    http.user_agent;
    content:"Lemon-Duck-"; startswith; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,de18418e8b62e03d1feb1f9c5a53b6a0;
    reference:url,trapx.com/wp-content/uploads/2020/02/TrapX-Labs-Manufacturing-IOT-Report.pdf;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/monero-mining-malware-pcastle-zeroes-back-in-on-china-now-uses-multilayered-fileless-arrival-techniques/;
    classtype:command-and-control;
    sid:2029848; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_09, deployment Perimeter, malware_family Lemon_Duck, confidence High, signature_severity Major, updated_at 2020_04_09;
)