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;)