https://archive.org/web/Search "http://saturn.mn" at WaybackMachine, I got the archive of this site. And I found the archive which saved at February 21st , 2015. I found 3 archives on this day(15:27:16, 17:11:06, 18:42:42). I refered the m…

Our team got 8th place of this competition. We were annoyed by the slowness of the response of the server... According to the title of the issue, I guess it relates to robots.txt.I accessed http://chall.all.mn/robot/robots.txt, then I got …

The attached file is pcap file, and it is the packets of any suspicious communication. I focused about , there are lots of DNS queries. So I suspected DNS tunneling. By using wireshark, filter the packets by this criteria : dns && ip.dst==…

Our team solved all issues of this competition, and we got 3rd place!! The attached file is pcap file. It seems USB capture data. So I processed the capture data by the following procedure. (1)Open the pcap file by Wireshark, and filtered …