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The following is a guest post by email. This is the third part in a series of articles on his view of hacking. If you are interested in writing for CyberCROW, click Here. Otherwise, Enjoy.

Saturday, November 6, 2010

PLAYING GAMES WITH SYMBIAN VIRUS

Posted by glewoCROW 12:59 AM, under ,, | No comments

Yesterday I came across a Symbian virus (With which my cousin’s Nokia N70 was infected). I analyzed its files (with the help of X-plore) and effects on phone. Avast antivirus showed its sis file as Malware/Virus on scanning (It is probably a variant of Commwarrior – One of the first mobile viruses known). This virus appeared to be not as damaging to the phone as some of its siblings (Skulls, Cabir etc). However it caused the phone hang frequently, slowing it down and draining battery too fast. It also automatically replicates and sends its copies (In the form of installable sis files) to other phones (Who have Bluetooth “On”). Now have a look at the names of sis files it sends – “girl.jpg”, “sex.3gp” etc (All showing fake extensions); a funny and “sexy” virus indeed.
I am really impressed with the creativity of the programmer of this virus (Had he made a good application rather than this crap, he would have become a famous and successful developer by now). Because the above names are so attention grabbing, anyone will install it and get infected easily. So prevention is the best way to avoid infection and the three golden rules of prevention are –
1. ALWAYS Keep your Bluetooth Off and On it only when required.
2. DO NOT open any message that is in the form of sis, jar, exe or any other installation format unless you know from where it came and what it is.
3. DO NOT EVER accept Bluetooth connection request from a suspicious source.

I kept some copies of this virus to understand Symbian virus architecture. Anyone interested (Specially developers) can get it from me. Just leave your request in the comment with your mail ID and I will send it to you. But please don’t use it with bad intention and I won’t be responsible for any damages whatsoever.

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