ET INFO Observed File Transfer Service SSL/TLS Certificate (transfer .sh)
Sourceet/open
CreatedJune 3, 2021
UpdatedJuly 8, 2024
Classificationmisc-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed File Transfer Service SSL/TLS Certificate (transfer .sh)"; flow:from_server,established; tls.cert_subject; content:"CN=transfer.sh"; fast_pattern; classtype:misc-activity; sid:2033076; rev:7; metadata:attack_target Client_and_Server, created_at 2021_06_03, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_08, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Metadata
attack targetClient_and_Server
created at2021_06_03
deploymentPerimeter
former categoryMALWARE
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_07_08
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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