Some of it seems to be IPV6 traffic? Strange, some sort of IPV4 tunneling possibly? Also, ignore 213.199.181.90, I'm just blocking Microsoft.
Anyway, I did multiple malware scans (malwarebytes, spybot, super-antispyware, Dr. Web, Gmer) and never found a thing. I also re-imaged my entire system HDD to 3 weeks ago, but the exact same behavior occurs (And it never did so previously). So time to dig deeper...
Using TCP View I found the Svchost process attempting the connection. I then moved on to Process Monitor to track the PID and found that the service NIS (Network Store Interface Service) is initiating the connection.
So that doesn't help much.
So I fired up Wireshark. Following the TCP traffic I originally got nothing, but then I gave up and decided to let the connection through. Managed to follow those packets and I got:
GET /wpad.dat HTTP/1.1Connection: Keep-AliveAccept: */*Host: 217.70.184.38HTTP/1.1 404 Not FoundServer: BaseHTTP/0.3 Python/2.6.6Content-type: text/htmlVary: HostContent-Length: 384Accept-Ranges: bytesDate: Wed, 27 Jun 2012 11:21:03 GMTAge: 0Via: 1.1 varnishConnection: close<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR...D/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/HTML; charset=iso-8859-15" />
<title>404 Not Found</title>
</head>
<body>
<h1>Not Found</h1>
<p>Nothing matches the given URI</p>
</body>
</html>
This is supposed to be hosted at 217.70.184.38/wpad.dat. Going to this page results in a 404 error just as seen in the HTML from wireshark.
Attached are screenshots from Process Monitor and my Comodo firewall log. Any ideas?
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