Information Security

readpst – Backtrack 5 – Forensics – Forensics Analysis Tools – readpst

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We have had a couple requests to write a post about readpst which is included in the default path of Backtrack 5 and also located in the Backtrack menu underneath Forensics/Forensics Analysis Tools. The readpst application will read PST files which are also known as Microsoft Outlook Personal Folders and convert them to mbox, MH, or KMail formats. There are various other switches that can be used to output each email into a separate file, include attachments, modify contact formats, be recursive, etc. I will explain basic functionality below along with a couple of the formats and various switches.

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Technology Errors

WordPress Post Comment Error – Unreadable Captcha Token File

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After upgrading a bunch of WordPress plugins on a site I noticed that comments were not functional on my site for users that were not logged in. This can always be tricky because if someone reports comments not working to the WordPress site administrator they likely will be logged in when they test the comments and think there is nothing wrong. Anyhow if comments are throwing an error and you have the SI Captcha Anti-SPAM WordPress plugin installed then the below content will assist you to resolve the problem.

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Technology Insights

SSH Add Server To known_hosts Automatically

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If you ever need to write a shell script that uses either SSH or SCP to unknown hosts then you will likely have run across the issue of adding the remote host/server to the known_hosts file when automating either of the two commands are called within the script. You can easily get around this either by modifying the client computers ssh_config file or by using the -o switch available for both SSH (Secure Shell) and SCP (Secure Copy). Below we show how to modify the ssh_config file as well as an example of using each with the -o switch.

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Technology Insights

Linux Create Fake Ethernet Interface

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There could be numerous reasons to create a fake Ethernet interface on a Linux server though I have heard that people might do so to get around licensing of software that is tied to the MAC address of a specific Ethernet port. You really just enable a dummy Ethernet interface and assign the MAC address to it which is explain in more detail below. The easiest way to do this is to simply assign a MAC address to an Ethernet interface you are not using on your server where the drivers have already been installed automatically. If you do not have a spare Ethernet interface then the instructions below will assist you to accomplish your goal.

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Technology Errors

svn co Error: Server certificate verification failed: issuer is not trusted

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When attempting to sync a repo to a server or to your desktop you will receive an error if the certificate being used to protect the HTTPS repository URL is not issued by the proper authority. Many companies generate their own certificates for repository URL’s especially if the repository is primary used internally. In this example I was attempting to sync a repository using SVN to a folder on the desktop of my Macbook Pro running OSX Mountain Lion. Below I describe the error in more detail followed by resolution to the svn certificate error.

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