ET HUNTING Suspicious IAT HttpAddRequestHeader - Can Be Used For HTTP CnC
Sourceet/open
CreatedMay 3, 2011
UpdatedJuly 26, 2019
Classificationcommand-and-control
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Suspicious IAT HttpAddRequestHeader - Can Be Used For HTTP CnC"; flow:established,to_client; file_data; content:"MZ"; distance:0; isdataat:76,relative; content:"This program cannot be run in DOS mode."; distance:0; content:"HttpAddRequestHeader"; nocase; distance:0; reference:url,sans.org/reading_room/whitepapers/malicious/rss/_33649; classtype:command-and-control; sid:2012767; rev:11; metadata:created_at 2011_05_03, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2011_05_03
confidenceMedium
signature severityUnknown
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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