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Rev: 2 • Feb 14, 2020, 12:00 PMET MALWARE Possible Kimsuky Related Exfil
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Kimsuky Related Exfil"; flow:established,to_server; urilen:25; http.method; content:"POST"; http.uri; content:"/scriptPhpServer.php"; fast_pattern; isdataat:!1,relative; http.user_agent; content:"Mozilla|2f|4|2e|0|20|(compatible|3b 20|Win32|3b 20|WinHttp|2e|WinHttpRequest|2e|5)"; reference:url,www.virusbulletin.com/uploads/pdf/conference_slides/2019/VB2019-Kim.pdf; classtype:command-and-control; sid:2029451; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_14, deployment Perimeter, malware_family Kimsuky, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_02_14;)
Feb 14, 2020, 12:00 PM
Feb 14, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules