ET MALWARE Generic - POST To .php w/Extended ASCII Characters (Likely Zeus Derivative)
Sourceet/open
CreatedMay 16, 2013
UpdatedNovember 24, 2024
Classificationtrojan-activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Generic - POST To .php w/Extended ASCII Characters (Likely Zeus Derivative)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.user_agent; content:"|20|MSIE|20|"; http.request_body; pcre:"/^.{0,3}[\x80-\xff]{1,3}[\x00-\x7f]{1,3}[\x80-\xff]{1,3}[\x80-\xff]{1,3}/"; http.header_names; content:!"Referer"; content:!"Content-Type"; classtype:trojan-activity; sid:2016858; rev:13; metadata:created_at 2013_05_16, deprecation_reason Performance, performance_impact Significant, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_24;)
Metadata
created at2013_05_16
deprecation reasonPerformance
performance impactSignificant
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_11_24
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