Cyberspace Odyssey CTF

Answer each challenge with the correct command/answers to reveal the flags.

Write the flags to your blue book.

A whisper through the void, a call for connection. Will the stars respond to your ping, or leave you lost in silence?

Challenge 1

Ping: The Silent Call - What is the correct command to ping the distant `galaxy.unknown`?

Time stretches as each echo waits. Set the rhythm, let each pulse travel far... will you hear the distant answer?

Challenge 2

Ping: Interval of Hope - What command sets a 5-second interval for your pings?

Through the sands of time, a server awaits your call. Ping it, and perhaps you’ll uncover secrets buried in the data.

Challenge 3

Ping: Echoes of the Past - What is the correct command to ping `ancient.server.net`?

A quiet realm of silence, where IPv6 reigns. You must seek the connection without a word, through the unseen.

Challenge 4

Ping: The Silent Watch - How would you use the `ping` command to test connectivity only with IPv6?

The clock ticks down with each attempt. You have but moments to wait... choose wisely and let time tell the tale.

Challenge 5

Ping: The Forbidden Request - How do you specify a custom timeout of 10 seconds for each ping?

Every journey begins with a single step. Your traceroute will uncover the road traveled, each hop revealing a piece of the unknown.

Challenge 6

Traceroute: Path of the Wanderer - What command would you use to see the trace route to `journey.stars.com`?

As a seeker of paths, you must choose your interface wisely. Only then can you trace the route with certainty.

Challenge 7

Traceroute: The Interface Seeker - Which switch would you use to specify the network interface `eth0` while using traceroute?

A commander’s choice is final. A SYN packet breaks through the usual barriers, uncovering the route beneath the surface.

Challenge 8

Traceroute: The Commander's Route - How can you send TCP SYN packets instead of ICMP in traceroute?

Layers upon layers of the unseen world. Traceroute peers into the network, revealing the foundation of it all.

Challenge 9

Traceroute: The Mysterious Layer - On Windows, which layer of the TCP/IP model does traceroute run by default?

The echoes ripple through the vast network. Your traceroute will uncover their path, leading you through the unseen.

Challenge 10

Traceroute: Echoes Across the Network - What command would you use to trace the route to `echoes.network.org`?

Every domain has its keeper, hidden behind the registry. The whois search will reveal their secret—where do they call home?

Challenge 11

Whois: The Domain of Secrets - Perform a whois search on `secrets.company.com`. What is the registrant's postal code?

Time never forgets, but domains can fade. The whois record tells the story of when a world was born.

Challenge 12

Whois: The Forgotten Registry - When was the domain `forgotten.world` first registered? (Format: DD/MM/YYYY)

The source of power lies in the city. The whois holds the key, revealing where the engine of technology resides.

Challenge 13

Whois: The Origin of Power - Perform a whois search on `powertech.com`. Where is the registrant city located?

Behind every domain lies a hidden truth. Will you uncover the planetarium nearby, or remain lost in the network’s web?

Challenge 14

Whois: The Hidden Network - What is the name of the planetarium in the registrant address of `amazon.com`?

The mind of technology watches, quietly overseeing the domain. The whois will reveal the keeper’s contact, the heart of the tech world.

Challenge 15

Whois: The Technical Mind - What is the registered tech email for `techsphere.net`?