ET HUNTING SUSPICIOUS SMTP EXE - ZIP file with .exe filename inside (Inbound)
Sourceet/open
CreatedDecember 20, 2013
UpdatedJuly 26, 2019
Classificationbad-unknown
alert smtp $EXTERNAL_NET any -> $SMTP_SERVERS any (msg:"ET HUNTING SUSPICIOUS SMTP EXE - ZIP file with .exe filename inside (Inbound)"; flow:established,to_server; content:"|0D 0A 0D 0A|UEsDB"; pcre:"/^[A-Za-z0-9\/\+\x0D\x0A]+?(5leG|LmV4|uZXhl)/R"; classtype:bad-unknown; sid:2017884; rev:5; metadata:created_at 2013_12_20, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2013_12_20
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!