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Rev: 1 • Oct 10, 2023, 12:00 PMET MALWARE Darkgate Stealer CnC Checkin (POST)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Darkgate Stealer CnC Checkin (POST)"; flow:established,to_server; urilen:9; http.method; content:"POST"; http.uri; pcre:"/^\x2f(?:[a-z]{8})$/"; http.user_agent; content:"Mozilla|2f|4|2e|0|20 28|compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5|29|"; bsize:57; http.content_len; content:"0"; bsize:1; http.accept; content:"|2a 2f 2a|"; bsize:3; http.connection; content:"Keep-Alive"; bsize:10; http.header_names; content:"|0d 0a|Connection|0d 0a|Accept|0d 0a|User-Agent|0d 0a|a|0d 0a|Content-Length|0d 0a|Host|0d 0a 0d 0a|"; fast_pattern; reference:url,malware-traffic-analysis.net/2023/10/04/index.html; reference:url,twitter.com/malware_traffic/status/1711575045204488279; classtype:trojan-activity; sid:2048509; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_10, deployment Perimeter, malware_family DarkGate, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_10, reviewed_at 2023_10_10;)
Oct 10, 2023, 12:00 PM
Oct 10, 2023, 12:00 PM
Oct 10, 2023, 8:00 PM
Aug 18, 2025, 8:35 PM
rules/emerging-malware.rules