alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY Suspicious Windows Executable CreateRemoteThread?"; flow:established,to_client; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; content:"CreateRemoteThread"; nocase; fast_pattern:only; reference:url,sans.org/reading_room/whitepapers/malicious/rss_33649; reference:url,jessekornblum.livejournal.com/284641.html; reference:url,msdn.microsoft.com/en-us/library/windows/desktop/ms682437%28v=vs.85%29.aspx; classtype:misc-activity; sid:2015589; rev:1;)

Added 2012-08-07 18:52:00 UTC