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Moscrack v2.08b - Multifarious On-demand Systems Cracker (cracking WPA keys in parallel on a group of computers)

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screenFetch - The Bash Screenshot Information Tool

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screenFetch is a "Bash Screenshot Information Tool". This handy Bash script can be used to generate one of those nifty terminal theme information + ASCII distribution logos you see in everyone's screenshots nowadays. It will auto-detect your distribution and display an ASCII version of that distribution's logo and some valuable information to the right. There are options to specify no ascii art, colors, taking a screenshot upon displaying info, and even customizing the screenshot command! This script is very easy to add to and can easily be extended.

Running screenfetch

To run screenFetch, open a terminal of some sort and type in the command screenFetchor wherever you saved the script to. This will generate an ascii logo with the information printed to the side of the logo. There are some options that may be specifiedon the command line, and those are shown below or by executing screenFetch -h:

  -v                 Verbose output.
  -o 'OPTIONS'       Allows for setting script variables on the
                     command line. Must be in the following format...
                     'OPTION1="OPTIONARG1";OPTION2="OPTIONARG2"'
  -n                 Do not display ASCII distribution logo.
  -N                 Strip all color from output.
  -t                 Truncate output based on terminal width (Experimental!).
  -s(m)              Using this flag tells the script that you want it
                     to take a screenshot. Use the -m flag if you would like
                     to move it to a new location afterwards.
  -c string          You may change the outputted colors with -c. The format is
                     as follows: [0-9][0-9],[0-9][0-9]. The first argument controls the
                     ASCII logo colors and the label colors. The second argument
                     controls the colors of the information found. One argument may be
                     used without the other.
  -S 'COMMAND'       Here you can specify a custom screenshot command for
                     the script to execute. Surrounding quotes are required.
  -D 'DISTRO'        Here you can specify your distribution for the script
                     to use. Surrounding quotes are required.
  -A 'DISTRO'        Here you can specify the distribution art that you want
                     displayed. This is for when you want your distro
                     detected but want to display a different logo.
  -E                 Suppress output of errors.
  -V                 Display current script version.
  -h                 Display this help.

Download screenFetch

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Turn off Image or Video Prompt in Snagit 12

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If you haven’t tried Snagit, you should check it out. It’s much better than relying on the old school screen capture mechanisms. When I was taking screenshots for my books, Snagit saved me a great deal of time. As just one example, try capturing an open dropdown menu using just Windows screen capture shortcuts—it’s like trying to catch a greased pig.

I just upgraded to Snagit 12 and found that every time I take an image capture, I’m prompted to select either a video or image capture (see the big blue buttons in the screenshot below). I rarely use the video capture, so this is a waste of time. Here’s how to turn it off.

First, check if you’ve got an old version of Snagit installed. I had 11 and 12 installed and was not getting the behaviour I wanted. I had to uninstall Snagit 11 to get rid of the old editor.

Next, go to the preferences window and check the hotkey associated with the default capture profile. I like to use print screen, so I’m going to change the “Global capture” shortcut key to something else. To get to the preferences window, you can right-click the icon in the task menu (bottom right corner of your screen with the hidden icons), then choose Preferences and the Hotkeys tab.

After I’ve freed up the right shortcut key, I’m going to associate that key (PrtScn) with a profile that doesn’t ask if I want to take video.

To do this, choose the “Send to Clipboard” profile from the Manage Profiles dialog, and then click the Hotkey button at the bottom to associate this with the keyboard shortcut you’d like to use. Note that I wanted to go directly to the Snagit editor, so I have that enabled.

Now I’m back to the lightning fast capture that I’ve come to love. When I use the hotkey, I go straight to the Snagit editor. If I wanted, I could add styles (such as borders) as part of the profile and they would be automatically applied.

p.s., If you’re wondering how I captured the Snagit windows. I cheated. I used Alt+PrtScn to do it old school.

#Microsoft Swats 29 Security Bugs, #Adobe Closes #Hijack Hole

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Microsoft has released patches for 29 security vulnerabilities, while Adobe has released an update for Flash Player. Redmond's latest Patch Tuesday batch is composed of six bulletins, two of which have been rated as critical updates. Three others have been rated important, and the sixth is considered a moderate risk.

The critical bug fixes include:

Cumulative security update for Internet Explorer (2975687) Addressing 24 memory-corruption vulnerabilities, including remote-code execution flaws, in IE 6 to 11 on supported OS versions. The same holes in Windows Server editions are rated as moderate. Server 2008 for 32-bit Systems Service Pack 2, x64-based Systems Service Pack 2 and R2 for x64-based Systems Service Pack 1 are not affected, and neither are Server 2012 and 2012 R2. Some of the holes were revealed in this year's Pwn2Own hacking contest. None have otherwise been exploited in the wild.
Vulnerability in Windows Journal could allow remote-code execution (2975689) Addressing a remote-code execution flaw in the note-taking application, which could be exploited by specially crafted Journal files to hijack the system as the logged-in user. This affects Windows Vista, Server 2008, 7, Server 2008 R2, 8 and 8.1, Server 2012 and Server 2012 R2, and Windows RT and RT 8.1.

The three important bulletins, and one moderate, fix address elevation of privilege and denial of service vulnerabilities.

Vulnerability in on-screen keyboard could allow elevation of privilege (2975685) – this affects Windows Vista, Server 2008, 7, Server 2008 R2, Windows 8 and 8.1, Server 2012 and Server 2012 R2, and RT and Windows RT 8.1.
Vulnerability in ancillary function driver (AFD) could allow elevation of privilege (2975684) – this affects the same operating systems as above plus Server 2003.
Vulnerability in DirectShow could allow elevation of privilege (2975681) – this affects Windows Vista, Server 2008, 7, Server 2008 R2, Windows 8 and 8.1, Server 2012 and Server 2012 R2.
Vulnerability in Microsoft Service Bus could allow denial of service (2972621) – this affects Service Bus 1.1 on Server 2008 R2 for x64-based Systems Service Pack 1, Server 2012 and Server 2012 R2.

There is also updated firmware for all Microsoft Surface tablets: an upgrade labeled "System Firmware Update – 7/8/2014" should be available via Windows Update, and improves various hardware-related things such as battery management and Miracast wireless display support.

Adobe, meanwhile, has updated Flash Player for Windows, OS X and Linux systems. The company said that the fix will address three CVE-listed bugs, including a remote-code execution flaw on Flash Player for both Internet Explorer and Chrome.

The fix is rated by Adobe as a top deployment priority on Windows, OS X and Linux. Google Chrome users will automatically receive the update upon launching the browser. Adobe is also patching the flaws in its AIR platform, though that fix is rated by the company as a lower priority.

#Howto set up two-factor authentication for #SSH login on #Linux

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With many high-profile password leaks nowadays, there is a lot of buzz in the industry on "multi-factor" authentication. In a multi-factor authentication system, users are required to go through two distinct authentication procedures: providing something they know (e.g., username/password), and leveraging something they have "physical" access to (e.g., one-time passcode generated by their mobile phone). This scheme is also commonly known as two-factor authentication or two-step verification.

To encourage the wide adoption of two-factor authentication, Google released Google Authenticator, an open-source application that can generate one-time passcode based on open standards (e.g., HMAP/time-based). It is available on multiple platforms including Linux, Android, iOS. Google also offers a pluggable authentication module (PAM) for Google Authenticator, allowing it to be integrated with other PAM-enabled applications such as OpenSSH.

In this tutorial, I will describe how to set up two-factor authentication for an SSH server by integrating Google Authenticator with OpenSSH. I am going to use a Android device to generate one-time passcode. In this tutorial, you will need two things: (1) a Linux host where OpenSSH server is running, and (2) an Android device.

Install Google Authenticator on Linux

The first step is to install Google Authenticator on the Linux host where OpenSSH server is running. Follow this guide to install Google Authenticator and its PAM module on your system.

Once Google Authenticator is ready, you need to go through one-time configuration which involves creating an authentication key from this Linux host, and registering it with an Android device. This will be explained next.

Generate an Authentication Key

To start, simply run Google Authenticator on the Linux server host.

$ google-authenticator

You will see a QR code, as well as a secret key underneath it. The displayed QR code simply represents the numeric secret key. You will need either information to finalize configuration with an Android device.

Google Authenticator will ask you several questions. If you are not sure, you an answer "Yes" to all questions. The emergency scratch codes can be used to regain access to the SSH server in case you lose your Android device, and so cannot generate one-time passcode. So it's better to write them down somewhere.

Run Google Authenticator on Android

As we are going to use an Android device for two-factor authentication, you will need to install Google Authenticator app on Android. Go to Google Play to install it on Android.

When you start Google Authenticator on Android, you will see the following configuration menu.

You can choose either "Scan a barcode" or "Enter provided key" option. The first option allows you to enter the security key, simply by scanning the generated QR code. In this case, you will need to install Barcode Scanner app first. If you choose the second option, you can type the security key using Android keyboard as follows.

Once you register a secret key either way, you will see the following screen on Android.

Enable Google Authenticator on SSH Server

The final step is to integrate Google Authenticator with OpenSSH server. For that, you need to edit two files.

First, edit a PAM configuration file, and append the line below.

$ sudo vi /etc/pam.d/sshd

1	`auth required pam_google_authenticator.so`

Then open an SSH server config file, search for ChallengeResponseAuthentication, and enable it.

$ sudo vi /etc/ssh/sshd_config

1	`ChallengeResponseAuthentication` `yes`

Finally, restart SSH server.

On Ubuntu, Debian or Linux Mint:

$ sudo service ssh restart

On Fedora:

$ sudo systemctl restart sshd

On CentOS or RHEL:

$ sudo service sshd restart

Test Two-factor Authentication

Here is how you use two-factor authentication for SSH logins.

Run Google Authenticator app on Android to obtain one-time verification code. Once generated, a given passcode is valid for 30 seconds. Once it expires, Google Authenticator will automatically generate a new one.

Now log in to the SSH server as you normally do.

$ ssh user@ssh_server

When you are asked to enter "Verification code", type in the verification code generated by Android. After successful verification, then you can type in your SSH login password.

To conclude, two-factor authentication can be an effective means to secure password authentication by adding an extra layer of protection. You can use Google Authenticator to secure other logins such as Google account, WordPress.com, Dropbox.com, Outlook.com, etc. Whether you decide to use it or not, it's up to you, but there is a clear industry trend towards the adoption of two-factor authentication.

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