Monthly Archives: October 2011
Tsunami – The new backdoor trojan transform your Mac in a zombie
In computing terms, a “zombie” is a compromised computer used to perform different nefarious tasks, being controlled remotely by the attacker. Exactly this is a Mac OS X system infected by OSX/Tsunami-A backdoor trojan. It seems to be the same trojan as Troj/Kaiten which infected in the past Linux based systems, only this time ported to Mac OS X operating system. The attackers control the compromised systems via IRC channels and one of the main commands the attacker can gives to it remotely is to launch DDos attacks against websites at the attacker choice. Practically a botnet of compromised computers is created and if at a certain moment choosed by …
What is a malicious software(malware) and how to detect it
Let’s take a look at the next scenario: in a morning when you check your emails, you find one with the subject “Top Ten jokes about wives” or … “Eva Mendes naked in the pool” but the sender is unknown to you. The email has a PDF file as attachment or maybe contains a link, what are you gonna do? Perhaps you think: if the attachment is not an executable then it can not be a virus and it’s safe to open it or if it’s about a website, it’s safe to visit it as long as I don’t download anything. Then you open and view the attachment which indeed …
