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

SID: 2022795Rev: 30 viewsHistory

Sourceet/open

CreatedMay 5, 2016

UpdatedApril 22, 2024

Classificationdomain-c2

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Quakbot CnC)"; flow:established,to_client; tls.certs; content:"|2a 86 48 86 f7 0d 01 09 01|"; tls.cert_subject; content:"OU=SomeOrganizationalUnit"; content:"root@ua7.com"; fast_pattern; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2022795; rev:3; metadata:attack_target Client_and_Server, created_at 2016_05_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_22, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)

References

url	sslbl.abuse.ch

Metadata

attack targetClient_and_Server

created at2016_05_05

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityMajor

tagSSL_Malicious_Cert

updated at2024_04_22

mitre tactic idTA0042

mitre tactic nameResource_Development

mitre technique idT1587

mitre technique nameDevelop_Capabilities

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