Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Executable and linking format (ELF) file download Over HTTP"; flow:established; flowbits:isnotset,ET.ELFDownload; file_data; content:"|7F|ELF"; within:4; flowbits:set,ET.ELFDownload; reference:url,www.itee.uq.edu.au/~cristina/students/david/honoursThesis96/bff.htm; classtype:policy-violation; sid:2019240; rev:14; metadata:created_at 2014_09_25, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_12;)