ETHICAL HACKING
How To Finding an IP Address via Instant Messengers
In Case
- if you are chatting on messengers like MSN, YAHOO, etc.
- Then the following indirect connection exists between your system and your Friend's system:
Your System ----- Chat Server ----- > Friend's system
Friend's System -------- Chat Server ------> Your System
Your First Have to Establish a Direct Connection with your friends's computer by either
a. Sending him a file or by using the call feature then, goto MSDOS or the command line and type:
C:\>netstat -n
This command will give you the IP Address of your friend's computer
Countermeasures
- Do not accept File transfers or calls from unknown people
- Chat online only after logging on through a Proxy Server.
Case:
Your System-----Proxy------Chat Server------Friend’s System
Some good Proxy Servers are:
- Wingate (For Windows Platform)
- Squid (For Unix Platforms)
One can easily log the IP Addresses of all visitors to their website by using simply JAVA applets or JavaScript code.
Countermeasures
One should surf the Internet through a Proxy Server. One can also make use of the numerous Free Anonymous Surfing Proxy Services.
For Example, www.anonymizer.com
- Hotmail.com along with numerous other Email Service Providers, add the IP Address of the sender to each outgoing email.
- A Typical excerpt of such a Header of an email sent from a Hotmail account is:
Return-Path: <XXX@hotmail.com>
Received: from hotmail.com by sbcglobal.net (8.9.1/1.1.20.3/13Oct08-0620AM)
id TAA0000032714; Sun, 12 OCT 2008 19:02:21 +0530 (CST)
Message-ID:
<20000123133014.34531.qmail@hotmail.com>
Received: from 202.54.109.174 by www.hotmail.com
with HTTP; Sun, Sun, 12 OCT 2008 05:30:14
PST
X-Originating-IP: [202.xx.109.174]