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Monday, September 5, 2011
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PacketFence – Open Source Network Access Control (NAC) System


PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) system.
Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, 802.1X support, layer-2 isolation of problematic devices, integration with the Snort IDS and the Nessus vulnerability scanner; PacketFence can be used to effectively secure networks – from small to very large heterogeneous networks.
What you can do with PacketFence :
PacketFence
  • Block iPods wireless access
  • Forbid rogue access points
  • Perform compliance checks
  • Eliminate Peer-to-Peer traffic
  • Provide guest access
  • Simplify VLAN management
no image

PacketFence – Open Source Network Access Control (NAC) System


PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) system.
Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, 802.1X support, layer-2 isolation of problematic devices, integration with the Snort IDS and the Nessus vulnerability scanner; PacketFence can be used to effectively secure networks – from small to very large heterogeneous networks.
What you can do with PacketFence :
PacketFence
  • Block iPods wireless access
  • Forbid rogue access points
  • Perform compliance checks
  • Eliminate Peer-to-Peer traffic
  • Provide guest access
  • Simplify VLAN management
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Windows Remote Desktop Worm “Morto” Spreading


FN-Secure just found a new Internet worm, and it’s spreading in the wild. The worm is called Morto and it infects Windows workstations and servers. It uses a new spreading vector that we haven’t seen before: RDP (Remote Desktop Protocol). Windows has built-in support for this protocol via Windows Remote Desktop Connection. Once you enable a computer for remote use, you can use any other computer to access it.
Windows Remote Desktop Worm Morto
When you connect to another computer with this tool, you can remotely use the computer, just like you’d use a local computer.
Windows Remote Desktop Worm Morto
Once a machine gets infected, the Morto worm starts scanning the local network for machines that have Remote Desktop Connection enabled. This creates a lot of traffic for port 3389/TCP, which is the RDP port.
When Morto finds a Remote Desktop server, it tries logging in as Administrator and tries a series of passwords:
admin
password
server
test
user
pass
letmein
1234qwer
1q2w3e
1qaz2wsx
aaa
abc123
…….
………..
Once you are connected to a remote system, you can access the drives of that server via Windows shares such as \\tsclient\c and \\tsclient\d for drives C: and D:, respectively. Morto uses this feature to copy itself to the target machine. It does this by creating a temporary drive under letter A: and copying a file called a.dll to it.
The infection will create several new files on the system including \windows\system32\sens32.dll and
\windows\offline web pages\cache.txt.
Morto can be controlled remotely. This is done via several alternative servers, including jaifr.com and qfsl.net.
F-Secure Lab detected Morto components as Backdoor:W32/Morto.A andWorm:W32/Morto.B.
no image

Windows Remote Desktop Worm “Morto” Spreading


FN-Secure just found a new Internet worm, and it’s spreading in the wild. The worm is called Morto and it infects Windows workstations and servers. It uses a new spreading vector that we haven’t seen before: RDP (Remote Desktop Protocol). Windows has built-in support for this protocol via Windows Remote Desktop Connection. Once you enable a computer for remote use, you can use any other computer to access it.
Windows Remote Desktop Worm Morto
When you connect to another computer with this tool, you can remotely use the computer, just like you’d use a local computer.
Windows Remote Desktop Worm Morto
Once a machine gets infected, the Morto worm starts scanning the local network for machines that have Remote Desktop Connection enabled. This creates a lot of traffic for port 3389/TCP, which is the RDP port.
When Morto finds a Remote Desktop server, it tries logging in as Administrator and tries a series of passwords:
admin
password
server
test
user
pass
letmein
1234qwer
1q2w3e
1qaz2wsx
aaa
abc123
…….
………..
Once you are connected to a remote system, you can access the drives of that server via Windows shares such as \\tsclient\c and \\tsclient\d for drives C: and D:, respectively. Morto uses this feature to copy itself to the target machine. It does this by creating a temporary drive under letter A: and copying a file called a.dll to it.
The infection will create several new files on the system including \windows\system32\sens32.dll and
\windows\offline web pages\cache.txt.
Morto can be controlled remotely. This is done via several alternative servers, including jaifr.com and qfsl.net.
F-Secure Lab detected Morto components as Backdoor:W32/Morto.A andWorm:W32/Morto.B.
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Using Google Servers as a DDoS Tool


Google’s servers can be used by cyber attackers to launch DDoS attacks, claims Simone “R00T_ATI” Quatrini, a penetration tester for Italian security consulting firm AIR Sicurezza.
Google Servers
Quatrini discovered that two vulnerable pages – /_/sharebox/linkpreview/ and gadgets/proxy? – can be used to request any file type, which Google+ will download and show – even if the attacker isn’t logged into Google+.
By making many such request simultaneously – which he managed to do by using a shell script he’s written – he practically used Google’s bandwidth to orchestrate a small DDoS attack against a server he owns.
He points out that his home bandwidth can’t exceed 6Mbps, and that the use of Google’s server resulted in an output bandwidth of at least 91Mbps.
“The advantage of using Google and make requests through their servers, is to be even more anonymous when you attack some site (TOR+This method); The funny thing is that apache will log Google IPs,” says Quatrini. “But beware: igadgets/proxy? will send your IP in apache log, if you want to attack, you’ll need to use /_/sharebox/linkpreview/.”
He says he has discovered the flaws that allow the attack on August 10 and that he contacted Google’s Security center about it. After 19 days of receiving no reply from Google, he published his findings.
no image

Using Google Servers as a DDoS Tool


Google’s servers can be used by cyber attackers to launch DDoS attacks, claims Simone “R00T_ATI” Quatrini, a penetration tester for Italian security consulting firm AIR Sicurezza.
Google Servers
Quatrini discovered that two vulnerable pages – /_/sharebox/linkpreview/ and gadgets/proxy? – can be used to request any file type, which Google+ will download and show – even if the attacker isn’t logged into Google+.
By making many such request simultaneously – which he managed to do by using a shell script he’s written – he practically used Google’s bandwidth to orchestrate a small DDoS attack against a server he owns.
He points out that his home bandwidth can’t exceed 6Mbps, and that the use of Google’s server resulted in an output bandwidth of at least 91Mbps.
“The advantage of using Google and make requests through their servers, is to be even more anonymous when you attack some site (TOR+This method); The funny thing is that apache will log Google IPs,” says Quatrini. “But beware: igadgets/proxy? will send your IP in apache log, if you want to attack, you’ll need to use /_/sharebox/linkpreview/.”
He says he has discovered the flaws that allow the attack on August 10 and that he contacted Google’s Security center about it. After 19 days of receiving no reply from Google, he published his findings.
Wednesday, August 31, 2011
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Automatic Enlarge Thumbnail Profile and Album Photos in Facebook



There are times when those small thumbnails shown in Facebook are just too small for you to identify if your friend’s friend is someone you know or not. Instead of clicking on the facebook user link to go to the user’s page and see the bigger profile photo, you can instead install Facebook PhotoZoom, a useful extension available for Firefox and Chrome browser.
After installing Facebook PhotoZoom extension, there is nothing for you to configure or do. Whenever you hover your mouse cursor to a profile picture or album photos, the tooltip will appear with the bigger image in it. If the image that the user uploaded is bigger than the thumbnail, then this plugin will show the full size of the image. Other than that, while viewing the photo album, it would be more productive when you use the Photo Zoom to view the images that you want in bigger size rather than going into the single image view. This allows you to skip the images that you want to see and load saving you time and bandwidth.
Facebook Thumbnail Zoom
The Google Chrome version of Facebook Photo Zoom has a shortcut key to easily toggle the feature on or off by pressing CTRL + SHIFT + Z key.
Download Facebook PhotoZoom for Firefox – Chrome

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