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Apoorva Saurav | about

Programmable Data Processor (100)

recon - Virginia TSA Technosphere CTF

Challenge description:

Long time time UNIX afficandos are excited to be able to use a virtual DEC PDP-11 and UNIX V6 at http://takahirox.github.io/pdp11-js/unixv6.html

What is the username of user with UID 6? Be sure the username is all lowercase and wrap it within flag{}!

Solution

Going to the provided website, we can “load UNIX v6 Disk Image”. Follow the provided instructions to login. We can then cat the /etc/passwd file to see a list of users with their user id.

@rkunix
mem = 1035
RESTRICTED RIGHTS

Use, duplication or disclosure is subject to
restrictions stated in Contract with Western
Electric Company, Inc.

login: root
# cat /etc/passwd
root::0:3::/:
daemon::1:1::/:
bin::3:3::/bin:
***::6:1::/usr/***:
Flag flag{ken}