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Posts Tagged ‘Backdoor’

The MyDoom worm. First seen in January 2004, it spread via email, opened a backdoor for hackers to gain access to your PC, and scoured your hard drive for more email addresses to forward itself onto. It became widespread in no time, which was particularly concerning for software firm SCO – whose website it targeted […]

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We spotted this malicious PDF file today. When opened, the PDF (md5: 20ecffdc2ecea0fbe113502bec0c938c) uses a known Adobe Reader exploit to drop a backdoor to the system. While dropping the backdoor, it displays this PDF on-screen to fool the user into believing everything is ok. The bait PDF talks about an Information Systems Security Association event […]

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Today, we’re releasing a Microsoft Malware Protection Center Threat Report on Qakbot as a follow-up to the recently-released Microsoft SIRv10 and our special report on Battling Botnets in late 2010.  This report focuses on one botnet in particular, Qakbot. Qakbot is a backdoor that includes user-mode rootkit functionality to hide itself and also steal sensitive […]

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