A new malware strain targeting Windows systems is rearing its ugly head. Named SystemBC, this malware installs a proxy on infected computers.The bad news is that SystemBC never comes alone, and usually, the presence of this malware indicates that a computer was also infected by a second threat.
Proofpoint researchers, who recently analyzed the malware, say its creators are advertising it on underground cybercrime forums to other malware authors.
The SystemBC malware is effectively an on-demand proxy component that other malware operators can integrate and deploy on compromised computers alongside their primary strain.
SystemBC's main role is to create a SOCKS5 proxy server through which the other malware can create a tunnel to bypass local firewalls, skirt internet content filters, or connect to its command-and-control server without revealing its real IP address...
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