Sunday, June 26, 2011

Installing Ettercap [Linux]

Right now I'm working on a password-sniffing Ettercap guide, but I require my home Desktop to finish it (with screenshots and better scripts), and me being on vacation in Florida right now impedes me from doing that. I'll be home tomorrow night, and should be working hard on it so look for something relating to this then!

For now, here's a guide on installing the program I'll be using: Ettercap. Backtrack5 should come automatically installed with it, but for those dual-booting and using general Linux flavors, here's a guide for you!

  • First, download the Ettercap "tar" file that we are going to extract and install, the newest (0.7.3) version located here. If you want to take a look at all versions available (they may become updated and I might not update this post in time), take a look here.
  • Once you've downloaded the file to either your root, home, or desktop (as we did while installing aircrackng), you need to issue the command in a new terminal to unpackage the tar file.
    Open a terminal and type "tar -xvf [file name]" to unpackage them. What the "xvf" means is told in the aircrackng installation guide, but I'll list them here as well.
    x --- extract
    v --- verbose
    f --- file [file] (necessary to determine the file).
  • Once you've unpackaged the tar file, navigate into the folder that was just created, usually named after the file we downloaded/extracted (in this case "ettercap-NG-0.7.3"), but type "ls" into your terminal to check what it is called, then "cd" command into that folder.
    I typed: "cd ettercap-NG-0.7.3"
  • Next, while in the folder you extracted, type the command "make" and then once that command is done, "make install" which should install the program and make it usable by you.
As you can probably tell by these two installations, most are pretty easy! Just remember that tar files are pretty much zip files on Windows systems (I imagine most of you know Windows well), and using the "tar" command on the file is extracting it to a folder (as you've seen on Windows/Mac systems). The "cd" command is probably the most useful command in the *nix arsenal, and moves you from folder to folder where you can use the "make" and "make install" commands to install programs!

As always, post stuff below. I realize this is simple, but for newbies of Linux it's not, so please understand this before posting. Any comments are welcomed though; pointers and help always appreciated (the Reddit community has helped in major ways so far. I don't take criticism as you tearing me down, this is a blog for newbies; we're all learning!).


  1. Great content! Keep up the good work!

  2. Hey, I live in Florida! Enjoying the heat?

  3. Great guide! Going to try it out!

  4. Thanks guys!

    @CJK yep, definitely. I'm leaving tomorrow but I've got a nice tan and I can't wait to get back to good ol' New York!

  5. Can you possibly do a post about the differences between platforms security?

    Here -
    is a current ( as of posting ) OSX Reverse_tcp exploit

    all i see is code, how would you use the exploit?

    what does this particular exploit do? ( And how to you figure it all out? )

  6. @Anon, I'm posting this from my phone on the way to the airport, so hopefully its formatted well and makes sense.
    Regarding exploits, as I get past the basics Ill begin posting about what exploits do what, how to use them, and how to find new ones and the ones you need to use. If you want to get a head start, check out the exploit-db and read up on Nessus and other vulnerability scanners. Ill definitely get to posting about this stuff, but for now I'm trying to start new users out on the basics so we can all learn together instead of half of my readers understanding and the rest being confused and annoyed.

    I hope this helps. If you need any other help comment or try sending me an email!

  7. Hmm, I looked up the windows version and like all linux-based wares, it looks hardly supported. bummer.

  8. @Steve, a quick Google search brought up a iOS compatible version (, there may be one for Windows, but if not check out Cain & Able... it has the same capabilities but also PW cracking with bruteforcing, rainbow tables, and much more.

  9. Will it work on a ios5 iPhone 4s

  10. make & make install command is Not working in rhel_5

  11. HELP!!!

    tar: [ettercap.tar.gz]: Cannot open: No such file or directory
    tar: Error is not recoverable: exiting now

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