Whomever created this Disttrack malware snort alert didn't include documentation.
1 40906 MALWARE-CNC Win.Malware.Disttrack variant outbound connection
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Malware.Disttrack variant outbound connection"; flow:to_server,established; content:"/category/page.php"; http_uri; content:"shinu="; fast_pattern:only; http_uri; metadata:impact_flag red, policy balanced-ips drop, policy security-ips drop, service http; reference:url,virustotal.com/en/file/61c1c8fc8b268127751ac565ed4abd6bdab8d2d0f2ff6074291b2d54b0228842/analysis/; classtype:trojan-activity; sid:40906; rev:1; )
If I had to guess I think it's related to Disttrack malware that spreads across the network destroying data or something similar which stated.
Disttrack is a multipurpose tool that exhibits worm-like behavior by attempting to spread to other systems on a local network using stolen administrator credentials. More importantly, its claim to fame is the ability to destroy data and to render infected systems unusable. The data in “shinu” parameter is a combination of the system’s tickcount, local IP address, operating system version, keyboard layout and the contents of %WINDOWS%\inf\netimm173.pnf. The C2 server can respond to this HTTP request
The virus total link provided has hits on things such as Trojan/Win32.DistTrack , DistTrack!comm , etc.
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