ET EXPLOIT_KIT Observed ClickFix Domain (security-confirmation .help) in TLS SNI
Sourceet/open
CreatedMarch 13, 2025
UpdatedMarch 14, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Observed ClickFix Domain (security-confirmation .help) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".security-confirmation.help"; endswith; fast_pattern; classtype:trojan-activity; sid:2060844; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_03_13, deployment Perimeter, former_category MALWARE, malware_family ClickFix, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2025_03_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1102, mitre_technique_name Web_Service;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2025_03_13
deploymentPerimeter
former categoryMALWARE
malware familyClickFix
performance impactLow
confidenceMedium
signature severityMajor
updated at2025_03_14
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1102
mitre technique nameWeb_Service
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