Posts Tagged ‘string’

Friends, I noticed that SQL Server does a case-insensitive string match in a query. Hence in scenarios where passwords are to be validated, using a query as “WHERE Password =@Password” will give valid results if the user enter password as “admin” or “ADMIN” eventhough when the password is set as “aDmiN”. In this post, we […]

IpTables string block signatures

Posted: 8th March 2012 by admin in Trick
Tags: , , , ,

Iptables drop connection by requested link. Like Spam \ Thread \Hack Detection : iptables -I INPUT -j DROP -p tcp -s 0.0.0.0/0 -m string –string “string_from_list” Here is some list of useful block signatures. ************************************** botfile .X11-unix apachectrl2.lock srv2.list qw(:flock number_of_bots “Masalah fork: ya3.ru malformed TROLL task malformed HTTPFLOOD task httpflood from irc attackTroll attackHttpFlood