ET MALWARE Observed Malicious SSL Cert (Microsoft Security localhost)
Sourceet/open
CreatedJuly 7, 2022
UpdatedJuly 7, 2022
Classificationtrojan-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (Microsoft Security localhost)"; flow:established,to_client; tls.cert_subject; content:"C=US, ST=California, O=Microsoft, OU=Security, CN=localhost"; bsize:59; fast_pattern; reference:url,unit42.paloaltonetworks.com/brute-ratel-c4-tool; classtype:trojan-activity; sid:2037710; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_07, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_07;)
References
Metadata
attack targetClient_Endpoint
created at2022_07_07
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_07_07
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