ET MALWARE Win32/CandyOpen/UniClient Activity (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/CandyOpen/UniClient Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/uniplatform/getUniclientVersion"; fast_pattern; bsize:32;
    http.header_names;
    content:"|0d 0a|accept|0d 0a|User-Agent|0d 0a 0d 0a|"; bsize:24;
    reference:url,go.recordedfuture.com/hubfs/reports/cta-2021-0729.pdf;
    reference:md5,2ad8bfde025d1a739eee02f3b23365c9;
    reference:url,www.hybrid-analysis.com/sample/a94d56067aa15f28f66a139eecc90e49b008bfa1f0faf7d65721ecfb68a6a6a2;
    classtype:trojan-activity;
    sid:2033631; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_07_30, deployment Perimeter, malware_family Win32_CandyOpen_UniClient, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_30;
)