ET MALWARE Send-Safe Bulk Mailer SSL Cert - Observed in Spam Campaigns
Sourceet/open
Fileemerging-malware.rules
CreatedNovember 30, 2015
UpdatedMarch 26, 2024
Classificationtrojan-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Send-Safe Bulk Mailer SSL Cert - Observed in Spam Campaigns"; flow:established,to_client ; tls.cert_subject; bsize:71; content:"C=Unknown, ST=Unknown, L=Unknown, O=Send-Safe, OU=Unknown, CN=Send-Safe" ; fast_pattern; reference:md5,837c7af7f376722a0315cb0a7cb12399 ; classtype:trojan-activity; sid:2022194; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_11_30, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_03_26;)
References
| md5 | 837c7af7f376722a0315cb0a7cb12399 |
Metadata
attack targetClient_Endpoint
created at2015_11_30
deploymentPerimeter
confidenceHigh
signature severityMajor
tagSSL_Malicious_Cert
updated at2024_03_26
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