Rule History

alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET HUNTING SUSPICIOUS Possible WebShell Login Form (Outbound)"; flow:established,from_server; file_data; content:"<pre align=center><form method=post>Password|3a| <input type=password name=pass><input type=submit value=|27|>>|27|></form></pre>"; within:120; isdataat:!2,relative; reference:url,blog.malwaremustdie.org/2014/05/elf-shared-so-dynamic-library-malware.html; classtype:trojan-activity; sid:2018459; rev:2; metadata:created_at 2014_05_09, confidence Medium, signature_severity Major, updated_at 2019_07_26;)