ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Downloader CnC)

SID: 2021175Rev: 40 viewsHistory

Sourceet/open

CreatedJune 2, 2015

UpdatedApril 11, 2024

Classificationdomain-c2

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Downloader CnC)"; flow:established,to_client; tls.cert_serial; content:"00:EA:D4:96:1C:0A:8B:6F:A4"; fast_pattern; tls.cert_subject; content:"O=Default Company Ltd"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2021175; rev:4; metadata:attack_target Client_and_Server, created_at 2015_06_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

url	sslbl.abuse.ch

Metadata

attack targetClient_and_Server

created at2015_06_02

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityMajor

tagSSL_Malicious_Cert

updated at2024_04_11

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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