ET DELETED HELO Non-Displayable Characters MailEnable Denial of Service
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationattempted-dos
alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED HELO Non-Displayable Characters MailEnable Denial of Service"; flow:established,to_server; content:"HELO "; nocase; depth:60; pcre:"/^[^\n]*[\x00-\x08\x0e-\x1f]/R"; reference:cve,2006-3277; reference:bugtraq,18630; classtype:attempted-dos; sid:2002998; rev:7; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2010_07_30
signature severityUnknown
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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