ET ADWARE_PUP Observed Activity Monitoring/Keylogger Domain (refog .com in TLS SNI)
Sourceet/open
CreatedMarch 19, 2026
UpdatedMarch 19, 2026
Classificationpup-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Observed Activity Monitoring/Keylogger Domain (refog .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".refog.com"; endswith; fast_pattern; classtype:pup-activity; sid:2068336; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2026_03_19, deployment Perimeter, malware_family PUP, malware_family mipko, malware_family refog, performance_impact Low, confidence High, signature_severity Major, updated_at 2026_03_19, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1082, mitre_technique_name System_Information_Discovery;)
Metadata
affected productAny
attack targetClient_and_Server
created at2026_03_19
deploymentPerimeter
malware familyrefog
performance impactLow
confidenceHigh
signature severityMajor
updated at2026_03_19
mitre tactic idTA0007
mitre tactic nameDiscovery
mitre technique idT1082
mitre technique nameSystem_Information_Discovery
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