alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Suspicious Windows Executable WriteProcessMemory?"; flow:established,to_client; content:"|0d 0a 0d 0a|MZ"; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; content:"WriteProcessMemory"; nocase; 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/ms681674%28v=vs.85%29.aspx; classtype:misc-activity; sid:2015588; rev:5; metadata:created_at 2012_08_07, updated_at 2012_08_07;)

Added 2017-08-07 21:09:12 UTC


alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET POLICY Suspicious Windows Executable WriteProcessMemory?"; flow:established,to_client; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; content:"WriteProcessMemory"; 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/ms681674%28v=vs.85%29.aspx; classtype:misc-activity; sid:2015588; rev:1;)

Added 2012-08-07 18:51:59 UTC


Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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