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Saturday, February 18, 2012

UNDO A SENT EMAIL :YES,IT IS POSSIBLE!!

1.   Ever thought like u shouldn't have sent that mail....or u sent it too early....like all things u can do UNDO in your PC and various applications...can u do it in EMAIL?......the answer is YES.....

2.   The feature is currently available in Gmail and Blumail only.How?...it goes like this

- Log into your GMail account
- Go To mail settings tab.
- Click on Labs
- Scroll down u will find UNDO SEND
- Enable it.

3.  That's it.Actually the feature sends the mail about 5 seconds late so just in case u immediately realize that u send it too early or should have sent it later.....u still have control over it.So when u click send a small link appears that says "UNDO"...click on it and that action will not conclude...ur email remains safe with you.... 

POWERFUL THAN ADMINISTRATOR ACCOUNT : SYSTEM LOGIN

1.  So here is something unheard to those who thought that ADMINISTRATOR was the king of the respective PC account.So for those who think so...ever thought why r u unable to fiddle with system files when u r the owner... that's because there is a SYSTEM account over and above the administrator who can delete the administrator account!!!!yes u read it right....so how do u get to the system account.I am giving it a step by step attempt here with screen shots!!

2.  Firstly...get to your desktop and see ur user name...mine is windowsxp ie a user account with admin priveleges as shown below :

3.    Secondly,get to the command prompt and create a schedule to run cmd.exe as follows :

at 14:51 /interactive “cmd.exe”

*** The time mentioned here can be a minute or two ahead of whats the time u doing this action.

 4.   You can check schedule by typing “at“ and hitting enter after the above step.

5.    Now Wait for the time you set for the schedule and u see that cmd.exe would be launched at the specified time and a subsequent command prompt windows will open automatically.

6.    Now go to ur desktop without closing any window and reach the task manager and kill the explorer.exe file under the process tab.

7.    Close the first cmd window and not the second one.

8.    Reach the root directory by pressing cd\

9.    Type start explorer...thats it...now u logged in as the System.....as shown:

 10.   Point to note :

- This is only for educational and info pupose.
- Never attempt it on a live system.
- Always do it on a virtualbox or Virtual machine or virtual PC.

11.   Thanks http://alieneyes.wordpress.com

Sunday, February 12, 2012

Single malicious document can expose your whole LAN via ur trusted MFD

1.   "Imagination is the key to Success" in the world of IT....specially applicable to the world of cyber crime....this one i read at one of my fav news feed destinations at http://thehackernews.com...now when we keep covering up the PCs with ideas like antivirus/anti-malware and all sorts of anti's and virus'cides....this thing has come up fresh.....attack the LAN after altering the firmware of the masoom MFD ie multifunction device.Sequence of the main article at http://thehackernews.com is produced below :

- At Chaos Communications Congress (28C3) 

- Ang Cui presents Print Me If You Dare

- He explained how he reverse-engineered the firmware-update process for HPs hundreds of millions of printers

- He showed how he could load arbitrary software into any printer by embedding it in a malicious document or by connecting to the printer online. 
- Performed two demonstrations 

- In the first, he sent a document to a printer that contained a malicious version of the OS that caused it to copy the documents it printed and post them to an IP address on the Internet.

- In the second, he took over a remote printer with a malicious document, caused that printer to scan the LAN for vulnerable PCs, compromise a PC, and turn it into a proxy that gave him access through the firewall.

- Actually found a method to exploit the firmware update capability of certain Xerox MFPs to upload his crafted PostScript code. 

- Was able to run code to dump memory from the printer. This could allow an attacker to grab passwords for the administration interface or access or print PIN-protected documents.

2.  So now start taking care of your firmware updates of your MFDs......

Friday, February 10, 2012

CHROME INSTALLATION ISSUES IN UBUNTU : SOLVED

1. Recently tried installing Chrome browser in Ubuntu 11.10....so I downloaded the .deb file and tried installing it from the terminal via this command

sudo dpkg -i './Downloads/google-chrome-stable_current_i386.deb'

...which showed some error in between installation and came out on the terminal prompt....

2. So googled and found this solution that involves prior installing of few library files as follows :

sudo apt-get install libnspr4-0d libnss3-1d libxss1 libcurl3

this command will install the missing lib files and then on it is the repeat of the earlier command ie

sudo dpkg -i './Downloads/google-chrome-stable_current_i386.deb'

3.   Should solve...let me know if u have any thing unsolved!!!


Wednesday, February 01, 2012

AVOID OPENING MULTITABS IN BROWSERs

1.  Has it ever happened that you get a mail in one your various Email IDs from Facebook or some other site that you never linked up with....?I am sure if you are a regular browser on social networking sites,this must have happened once...and it must have kept you thinking...HOW ??

2.   This happens when you have that email id open in some other tab and your Facebook account open in other...typically in a multitab session wherein you have opened many sites under one browser in various tabs..... that's when info gathering sites get your email id and things related to their interest.....TAKE CARE
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