Information Security

WordPress Site Redirected To tenderloin.osa.pl Via Search Engine Click Jacking

So earlier today I noticed a discrepancy in traffic to question-defense.com and because of a previous incident I knew exactly where to look. Sure enough a similar attack had been performed which we are coining Search Engine Click Jacking. In this case we are sure that a single files permissions were left open and the attackers were able to write PHP into the file which caused traffic being referred to our site from many of the major search engines to be redirected to tenderloin.osa.pl. Our site is built using WordPress however any site built in PHP with incorrect permissions on any files are vulnerable to this type of attack. Below is more information about the attack, how to search for the attack, and a simple bash script that will remove the infected code from PHP files on your web site.

Technology Insights

Send Mail Attachments Using mail Command From A Linux Shell

One thing that can be really helpful for Linux administrators is sending mail attachments via the Linux command line. It is fairly widely known that you can inject text files into email by piping the outputs of those files to the mail command however something that is less known is attaching files to an email sent via mail. The information below describes how to send mail from a Linux shell using the mail command.

Technology Insights

Roxio 2010: The File You Are Trying To Use Cannot Be Edited, And Has Not Been Added

When using Roxio Creator Premier 2010 to encode a video to DVD format and burn to disc I received an error. I have been burning AVI, MPEG, MP4, Quicktime, and other video formats using this version of Roxio Creator 2010 for some time so I was surprised to receive an error. Initially I thought that the error was caused by file permissions on the file because a friend had provided it to burn and this was the only initial difference that I could find with the video versus other videos that I had burned. Below I describe how to troubleshoot this error and what I eventually did to resolve and move past this error. In the end I was able to burn this video using Roxio Creator 2010.