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Tuesday, 8 May 2012

Something odd

One of those odd things you see in proxy logs.. in this case, a load of outbound access attempts from guest machine like this:

Obviously, these URLs are malformed because the IP address is listed twice. But one of these stands out: is clearly "" twice. This IP belongs to Adevir Invest in Russia, and we've seen that name before. The other IPs seem innocent enough, but this traffic pattern is highly suspicious and I can only assume that these IPs are some sort of C&C server.

If you want to block the correctly formed IPs then they are as follows:

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