ET INFO Observed Pastebin-Like Service Domain (paste .kealper .com in TLS SNI)

SID: 2068689Rev: 10 views
Sourceet/open
CreatedApril 9, 2026
UpdatedApril 9, 2026
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Pastebin-Like Service Domain (paste .kealper .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:17; content:"paste.kealper.com"; fast_pattern; reference:url,securelist.com/clipbanker-malware-distributed-via-trojanized-proxifier/119341/; classtype:misc-activity; sid:2068689; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2026_04_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Pastebin_Style_Service, updated_at 2026_04_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1102, mitre_technique_name Web_Service;)

References

urlsecurelist.com/clipbanker-malware-distributed-via-trojanized-proxifier/119341/

Metadata

affected productAny
attack targetClient_and_Server
created at2026_04_09
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagPastebin_Style_Service
updated at2026_04_09
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1102
mitre technique nameWeb_Service

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