BE01 100pts
Download the file at https://cgames-files.allyourbases.co/be01.zip and then find a way to get the flag.
Running strings on the program reveals
┌─[user@parrot]─[~/Desktop/Cyber Camp/BE01] └──╼ $strings program ... AWAVI AUATL h0w_long-is-A_pi3ce_ofStr1ng [36mWhat is the password? [32mCorrect! ... Entering h0w_long-is-A_pi3ce_ofStr1ng as the password
┌─[user@parrot]─[~/Desktop/Cyber Camp/BE01] └──╼ $./program What is the password? > h0w_long-is-A_pi3ce_ofStr1ng Correct! Flag: notStr1ngTh3ory ...
BM01 250pts
We have a binary at https://cgames-files.allyourbases.co/bm01.zip which appears to do little more than ask for your name and give back a friendly message. What do you think, is there more to it than first appears?
Running the program and overflowing the buffer results in
┌─[user@parrot]─[~/Desktop/Cyber Camp/BM01] └──╼ $./hey Enter your name: AAAAAAAAAAAAAAAAAAAAA Segmentation fault. Flag: AAAb1^jJdl&(&_;?>*!&~`,$ *** stack smashing detected ***: <unknown> terminated Aborted (core dumped) ...
CE01 100pts
X_pb_cdi_p_hpaps - How strange, one of our agents found this code attached to an old roman coin in the back of evidence room. Can you work out what it means?
Your answer is alphanumeric, but also contains underscores.
Refernce to Rome promts a caesar cipher, and after caesar cipher brute force I_am_not_a_salad...
CH01 500pts
There’s got to be a secret message hidden in this, let’s see if you can set it free!
NzcgNjggNjYgNjcgNWYgNjcgNzUgNjUgNzIgNzIgNWYgNjYgNjcgNzIgNjMgNjYgNWYgNjcgNjIgNWYgNjYgNjggNzAgNzAgNzIgNjYgNjY=
Converting the string from base 64 results in
77 68 66 67 5f 67 75 65 72 72 5f 66 67 72 63 66 5f 67 62 5f 66 68 70 70 72 66 66 This seems to be hex so converting from hex
whfg_guerr_fgrcf_gb_fhpprff Then finally brute forcing the caesar cipher gives the flag...
CM01 250pts
We have just received an encoded message from one of our undercover agents on the the emergency extraction line, This must be their current location. Find out where they are are so we can pull them out! MJZGS43UN5WCAY3JOR4SAZDPMNVXG===
Converting the string from base 32 results in
bristol city docks ...