Versions (4)
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Rev: 1 • Jul 15, 2020, 12:00 PMET MALWARE EvilNum CnC Client Data Exfil
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE EvilNum CnC Client Data Exfil"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/Validate/getid"; bsize:15; fast_pattern; http.request_body; content:"action="; startswith; content:"&uid="; distance:0; content:"&antivirus="; distance:0; reference:md5,0823457bcb82afff15c900f949e325f4; reference:url,www.welivesecurity.com/2020/07/09/more-evil-deep-look-evilnum-toolset/; classtype:command-and-control; sid:2030530; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_07_15, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_15;)
Jul 15, 2020, 12:00 PM
Jul 15, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 17, 2025, 9:34 PM
rules/emerging-malware.rules