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Saturday 17 December 2011

Why Email attachments can be dangerous?




Hi friends as you all know that festive season is on. Online e-commerce sites are busy attracting users. Similarly Spammers are also prepared to utilize the season for spreading spam and malwares. Recently I got a mail from Coca Cola(spam ofcorse) which said that I won lots of dollars( it ws so much that I dont remember the exact amount). It had a malicious pdf attachment. Hiding malicious codes inside pdf has become a prime target to bypass email filters. So I thought of writing an article on malicious email attachments.



Why can email attachments be dangerous?

Some of the characteristics that make email attachments convenient and popular are also the ones that make them a common tool for attackers:
  • Email is easily circulated - Forwarding email is so simple that viruses can quickly infect many machines. Most viruses don't even require users to forward the email—they scan a users' computer for email addresses and automatically send the infected message to all of the addresses they find. Attackers take advantage of the reality that most users will automatically trust and open any message that comes from someone they know.
  • Email programs try to address all users' needs - Almost any type of file can be attached to an email message, so attackers have more freedom with the types of viruses they can send.
  • Email programs offer many "user-friendly" features - Some email programs have the option to automatically download email attachments, which immediately exposes your computer to any viruses within the attachments.
What steps can you take to protect yourself and others in your address book?

  • Be wary of unsolicited attachments, even from people you know - Just because an email message looks like it came from your mom, grandma, or boss doesn't mean that it did. Many viruses can "spoof" the return address, making it look like the message came from someone else. If you can, check with the person who supposedly sent the message to make sure it's legitimate before opening any attachments. This includes email messages that appear to be from your ISP or software vendor and claim to include patches or anti-virus software. ISPs and software vendors do not send patches or software in email.
  • Keep software up to date - Install software patches so that attackers can't take advantage of known problems or vulnerabilities. Many operating systems offer automatic updates. If this option is available, you should enable it.
  • Trust your instincts - If an email or email attachment seems suspicious, don't open it, even if your anti-virus software indicates that the message is clean. Attackers are constantly releasing new viruses, and the anti-virus software might not have the signature. At the very least, contact the person who supposedly sent the message to make sure it's legitimate before you open the attachment. However, especially in the case of forwards, even messages sent by a legitimate sender might contain a virus. If something about the email or the attachment makes you uncomfortable, there may be a good reason. Don't let your curiosity put your computer at risk.
  • Save and scan any attachments before opening them - If you have to open an attachment before you can verify the source, take the following steps:
Be sure the signatures in your anti-virus software are up to date
Save the file to your computer or a disk.
Manually scan the file using your anti-virus software.
If the file is clean and doesn't seem suspicious, go ahead and open it.



5 Things to do when you are hit by a Facebook spam





Hi friends,These days there are two things that are spreading fast on facebook:
First is the spam containing inappropriate content.
Second is the photo people are sharing after they are hit by the spam( and putting all blame on hackers).

Recently i pointed out a strange thing happening with his account.Iam tried to delete the spam but in turn it started spreading through my profile even though he didn't click the spam link. Well its tough to tell why this is happening but his problem shifted my attention back to the spam codes where  found a buried script which was doing quiet a fun with the cookies. I didn't notice that script while I posted about the "This happens on live television spam". Later today my problem brought my attention to that script. Anyways I dont want this tutorial to turn too geeky so I will speak simple language.
Lets talk about 5 things that you can do to completely get rid of the spam in case you accidently( or knowingly) clicked it. The steps mentioned here are in order. So if you are a victim then follow all the five steps starting from step 1.

1. Report as spam 

This is the first precautionary step. Immideatley report the spam to facebook( dont click on delete). Reporting as spam automatically hides the link from your feed so dont take the risk of deleting it.




2. Disable the installed plugin

The recent spam asks you to install a missing plugin. So in case you have installed it, act fast to remove it. If you  are using firefox then go to Firefox > Add-ons > Extensions . Here you will find the malicious plugin. Click on Remove to get rid of it.
For Crome users, click on the small Wrench(Rinch) icon at the right corner of the browser, then click on options and move to Extensions. Disable and remove the plugin from there.

3. Switch to Https

Immideately switch to https version of facebook if you still haven't. This will prevent any kind of session hijacking and will prevent the http cookies created by the spam in your system to re-post the link on the profile.

4. Clear Cookies, Browsing history and Browser cache

The spam creates lots of fake facebook http cookies on your system which can re-post the spam links on your profile and can redirect you to other links as well. So it is highly recommended that you delete all the browser cookies. Clearing history can also help in cases where you may again accidently click the link.
You can go to Browser options to clear the cookies, history etc.

5. Change the password


Last but not the least. Change the facebook password. Your facebook account is precious to you so why to take the risk.

These are a few steps you can follow to protect your account from spams. In case you have any other problem related to spam on your profile then add your comment here.
Wednesday 14 December 2011

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How to Remote Control uTorrent From Your Mobile Phone ???



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Hi friends it’s important to keep tabs on your torrents when you’re away from home. Today we take a peak at how you can monitor, manage, and even start your torrent downloads when you’re away from your computer.
Whether you want to keep tabs on your torrents while you’re in class, at work, or just lounging on the couch, we’re going to show you how to monitor and manage your torrents from your Android phone, iPhone, and other mobile devices as well as from a remote computer using a standard web browser.

What You’ll Need

For this tutorial you’ll need a handful of things, all of which you likely have on hand and ready to go. Before we continue check off the following items:
  • A copy of uTorrent installed (Transmission fans can follow along, many of the steps and apps are roughly analogous)
  • A way to open a port in your firewall (such as adding a rule to your home router; we’ll delve into this more later)
  • A smartphone (both Android and iPhone are great picks with Android edging out the iPhone)
This is a flexible tutorial. While we’re going to go into detail outlining how to work with uTorrent and Android you can just as easily adapt the steps to any torrent app with a web interface and/or mobile apps.

Setting up uTorrent for Remote Access with uTorrent Remote

There are two ways to set up uTorrent for remote access—uTorrent Remote and uTorrent Web GUI. The option you choose is dependent largely on which device you are going to use to access the remote interface and whether or not you use a proxy service to encrypt your BitTorrent activity.
The absolute easiest way to turn on remote access for uTorrent is to take advantage of the uTorrent Remote. Introduced last year the uTorrent Remote service connects your uTorrent client to uTorrent.com so that you can log directly into your client via the uTorrent website.
The upside to this configuration is that it’s dead simple to configure, it works on any smartphone with a modern web browser, and the UI is clean and easy to use. Since Apple has a direct prohibition against BitTorrent control apps in the App Store this is the only way for iPhone users to get access to a clean mobile client on an unjailbroken phone. The downside to this configuration is that using a proxy to route, encrypt, and hide your BitTorrent traffic breaks the uTorrent Remote system and you’ll get a “Not Accessible” error and countdown loop that goes on forever.
If you’re using an iOS device and/or another smartphone that doesn’t have a good uTorrent remote control app (and you’re not concerned about using a proxy) then it’s time to fire up your uTorrent client and complete the simple configuration.
Run uTorrent, navigate to Preferences (or hit CTRL+P) as seen in the screenshot above. Once you’re in the Preferences menu navigate to Remote.
Within the remote menu you’ll see a checkbox, Enable uTorrent Remote Access. Check that box and then, in the Computer and Password box below, create a unique computer name and password.
Click apply in the corner and wait until the Status changes to “Status: Accessible”. At this point you’re connected to the uTorrent remote system and ready to login using either a desktop or mobile browser. This technique does not require any firewall configuration and should work perfectly right out of the box.
To connect to your uTorrent client from afar using the uTorrent Remote system simply point your desktop or mobile browser to https://remote.utorrent.com/. On your first visit it will prompt you to create an account (you want to click “I have an account” since we just created one in the uTorrent client), then—as seen in the middle of the screenshot above—you’ll be greeted with a simple login screen. Login using the computer name and password you created in the previous step. If you’re using a mobile browser you get an iPhone’esque looking interface as seen in the last panel. If you log in from a desktop browser you get a view similar (but still simplified) to the uTorrent interface you’d see at home.

Setting up uTorrent for Remote Access with uTorrent WebUI

While the previous technique, using uTorrent Remote, is great for those who doesn’t secure their BitTorrent activity with a proxy and for iPhone users who don’t have access to an App Store approved uTorrent application, the lack of proxy support and the minimal feature set is a real deal killer for power users. Here’s where enabling the old Web UI interface comes in handy. By enabling the old interface you can use mobile apps that tap into it and mobile services that redirect you to a clean mobile interface.
Before we start looking at apps let’s turn on the Web UI. Navigate to the preferences panel again (CTRL+P). This time head down the Advanced menu and expand it. Within the Advanced menu you’ll see the Web UI entry. Click on that. As seen in the screenshot above you’ll want to check Enable Web UI, enter a username, a password, leave the guest account unchecked, and then check Alternative listening port and enter an open port number you’d like to use. Save your changes and return to the main uTorrent interface. Now is a great time, if you’re behind a software or hardware firewall, to set up a port forwarding rule for the Web UI. Check out our guide to port forwarding if you need help.
At this point in the tutorial you’ve turned on the Web UI and opened the port, which means you can point any web browser at your home computer’s public IP address and log in, via the web, to your uTorrent client. So for example, if your IP address was 123.456.789.123 and the port number you chose was 9292 you could type inhttp://123.456.789.123:9292/gui/ to visit your client remotely. That’s great for desktops and tablets browsers but not so great for small screens like those on smartphones. To fully take advantage of the Web GUI you need an app to tap into the interface and streamline it for the mobile experience.
iOS users are out of luck unless they do one of two things. Armed with a jailbroken phone you can grab the uTorrent Remote app from the Cydia App Store. Barring jailbreaing, the same people behind the Cydia-only uTorrent app also have a proxy service called Morrent Mobile. If you’re comfortable using a third party service to proxy into your home network it’s a functional mobile wrapper for the uTorrent Web UI.
Android users, on the other hand, can skip the whole proxy experience and log directly into their uTorrent client using an Android app. One of the more popular apps uTorrent apps on the Android Market is Torrent-Fu.
Torrent-Fu is packed with features including search tools, RSS feeds for new torrents, and profiles for multiple torrent clients. After installing the application, run it for the first time and follow the Profile Required prompt that pops up by pressing “Go to Profiles”. Click Add Profile and plug in all your information from the previous Web UI configuration (public IP address, port number, and login/password). Save the new profile and then, from the main screen, click on Manage to select your home uTorrent client. From within the Manage menu you’ll be able to view torrent details, start, force start, pause, resume, remove, and remove and delete data. You can also filter by variables like seeding, paused, downloaded, completed, and flags.
In addition to manipulating your existing torrents you can also add torrents via search; Torrent-Fu searches ISOHunt, MiniNova, PirateBay, and KickassTorrents, as well as integrates with What.cd accounts.

Whether you’re keeping tabs on your torrents from your Android phone, your iPad, or sneaking a peek or two at work, you’re now ready to remotely monitor and manage your torrent experience.


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