RSS Feed for hackingCategory: hacking

Send Email Using Telnet »

It is very straightforward to send email using telnet if you know some simple SMTP command > telnet smtp.server.com 25 S: 220 smtp.server.com ESMTP Postfix C: HELO relay.twit88.com S: 250 Hello relay.twit88.com, I am glad to meet you C: MAIL FROM:<admin@twit88.com> S: 250 Ok C: RCPT TO:<admin@twit88.com> S: 250 Ok C: DATA S: 354 End […]

Access Your Email Using Telnet »

This is a simple trick that you may already know. It is very easy to access your email if your email server supports POP3 protocol. By right all email servers should support this protocol. The default port for POP3 is 110. $ telnet pop.myserver.com 110 Trying 16.1.3.4… Connected to pop.myserver.com. Escape character is ‘^]’. +OK […]

Unix: Shell Script to build CLASSPATH Dynamically »

This is the script I used before for my legacy Java applications running on non-JDK 1.6 platform. In JDK1.6+, we can use a wildcard to include all jars in a directory. E.g. java -classpath C:\jar_dir\* #!/bin/sh buildClassPath() { jar_dir=$1 if [ $# -ne 1 ]; then echo “Jar directory must be specified.” exit 1 fi […]

Cain & Abel – A useful hacking tool »

This is the tool I used sometimes to recover passwords that I have forgotten. I do not encourage hacking. This tool is actually considered a backdoor sometimes by some of the security software in the market today. Personally I think it is useful, but people tend to abuse it. Cain & Abel is a password […]

14 Windows Registry Commonly used by Malicious Adware »

Download Sample Most of us have the experience of after visiting certain websites, our IE settings like the main page, title or some of the Windows settings are changed. This happened specially in the early age of Internet usage. Now there are lots of tools that can help to prevent this, but it is important […]

PDUSpy – A useful utility for SMS programming »

PDUSpy is a tool to that can be used to send SMS through your GSM modem or cellphone, and encode/decode PDU string found in GSM SMS. It can read SMS message from your GSM modem or cellphone. For anyone who need to do SMS programming, I would highly recommend this tool.