ET MALWARE Dridex CnC Returning Email Addresses - Possible Spam Module
Sourceet/open
Fileemerging-malware.rules
CreatedNovember 23, 2021
UpdatedMarch 14, 2024
Classificationcommand-and-control
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Dridex CnC Returning Email Addresses - Possible Spam Module"; flow:established,to_client ; flowbits:isset,ET.Dridex.Email.Sets.1 ; http.stat_code; content:"200"; file.data; content:"@"; content:"|22|,|22|" ; pcre:"/^\x7b(?:\x22[a-z0-9_\-\.]+@[a-z0-9_\-\.]+\.[a-z]{2,10}\x22,){4}\x22[a-z0-9_\-\.]+@[a-z0-9_\-\.]+\.[a-z]{2,10}\x22\x7d$/" ; classtype:command-and-control; sid:2034534; rev:3; metadata:created_at 2021_11_23, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)
Metadata
created at2021_11_23
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_14
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