File Extension Spoofer (FES) by AjuL Inc

Okay, basically you want to try to run a malicious software, something nasty, on someones computer and you don’t want to send over a executable but an image!  I believe many of you have went to distance to find this solution, some even tried a shortcut option for it and compress it in a rar.  Okay here’s the tool by AjuL from ajulinc.org and it’s called File Extension Spoofer.  How great this works, I have no idea as I don’t run .NET 4.0 and above on any of my stations.  Check out how it works.

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For each file in directory in Ubuntu terminal

Open the terminal and type

for f in *; do echo "$f"; done

* indicates all files in current directory to list all files in your home directory change command as follows:

for f in $HOME/*; do echo "$f"; done

To list all files in /etc/ directory, modify command as follows:

for f in /etc/*; do echo "$f"; done

Source: http://nixcraft.com/shell-scripting/15731-linux-bash-loop-display-all-file-name-echo-command.html

Recursive File Search in C | Source Code

This source code below is written by se7en from LeetCoders.  It is capable of running through the enter C drive in 8 seconds on my computer finding more than 230,000 files.  Although the downside of it is that it costs quite an amount of CPU usage during its process.  You might try to optimize it by placing Sleep function or something that is possible in reducing the CPU usage.

HTTP File Downloader for Linux and Windows in C | Source Code

A member in HackForums by the handle Jakash3 has posted a source code on how to download files from the Internet that can be compiled in both Linux and Windows.  Another great feature is that it supports IPv6.

The PE File Format

A very good article to understand on how the PE file format works B. Luevelsmeyer.  Below are the contents included.  This article was given to me by a member by the handle mindlessdeath from HackForums.

Are you a rootkit developer?

Are you a rootkit developer?  Can you fulfill my idea in the Ideas and Challenges page?  I am looking for some articles or any resources that can help me solve the following.

• Hide a process
• Hide a file
• Hide a registry
• Hide a port
• Contact userland application, vice versa
• Keystroke logging

If you by chance come across any articles or books related to this please do let me know!

Clone or Copy File in C

Generally there was someone in one of the forums i am on was asking how to duplicate a file.  So basically this little post i made up was to help this guy.  There are fundamentally few ways so i will write them up in code tags below.