ET HUNTING Suspicious FTP 220 Banner on Local Port (spaced)

7.0.35.0SID: 2011124Rev: 21Disabled1 views
Sourceet/open
Fileemerging-hunting.rules
CreatedJuly 30, 2010
UpdatedMarch 6, 2024
Classificationpup-activity
alert ftp $HOME_NET ![21,25,110,119,139,445,465,475,587,902,1433,2525] -> any any (msg:"ET HUNTING Suspicious FTP 220 Banner on Local Port (spaced)"; flow:established,to_client,only_stream; content:"220 "; depth:4; content:!"SMTP"; within:20; classtype:pup-activity; sid:2011124; rev:21; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_06;)

Metadata

created at2010_07_30
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_06

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