by digitaloperatives | Jan 21, 2014 | Capture the Flag
We had a great time solving a few problems from the Ghost in the Shellcode CTF this past weekend and wanted to have an easy place with links to write-ups from all around the Internet, so we created it here. If you know of a link we have missed, please let...
by digitaloperatives | Jan 19, 2014 | Capture the Flag
The video contains a second audio stream, as indicated by VLC here: The second audio stream is an SSTV stream containing image information. We extract the stream with the following command (the same file as the download was “credits.ogv” in the...
by digitaloperatives | Jan 19, 2014 | Capture the Flag
We are given the hint “Solveable in <5m. Much attack very wamerican-small.” The file begins with “VimCrypt~01!” and research on vim’s encryption method reveals that this means the file has been encrypted with the Unix crypt function....
by digitaloperatives | Jan 19, 2014 | Capture the Flag
Viewing the file with whitespace visible in vim shows that there are strange combinations of tabs and spaces at the end of each line. Assuming there’s more to whitespace than meets the eye, we search for all non-whitespace characters: …and remove them. We...
by digitaloperatives | Sep 25, 2013 | Capture the Flag
Each year, the Information Systems and Security Laboratory (ISIS Lab) of the Polytechnic Institute of New York University hosts a Cyber Security Awareness Week, bringing together students and researchers to discuss the latest in cybersecurity. Cybersecurity...
by digitaloperatives | Sep 23, 2013 | Capture the Flag
The CSAW CTF 2013 online qualifiers were held last weekend (09/19/2013 through 09/22/2013). The top 10 undergraduate teams will participate in the CSAW CTF finals in November; however the qualifiers were open to everyone and a small team from Digital Operatives...
