CTF Arena
CTF Arena
Hands-on challenges with server-side flag validation. Download the evidence, solve it, and submit the flag.
- 88
- Challenges
- 7
- Categories
88 challenges
Web Exploitation
15 challenges
- Beginner100 pts
View Source
0 solves - Beginner100 pts
Cookie Monster
0 solves - Beginner100 pts
Disallow Is A Signpost
0 solves - Advanced450 pts
Guessable Signature
0 solves - Intermediate250 pts
Union Select
0 solves - Intermediate250 pts
Insecure Direct Object
0 solves - Beginner100 pts
Escape The Web Root
0 solves - Intermediate250 pts
Chain a Command
0 solves - Intermediate250 pts
Fetch the Metadata
0 solves - Intermediate250 pts
Inject the Template
0 solves - Beginner100 pts
Reflected in the Page
0 solves - Intermediate250 pts
Algorithm: None
0 solves - Intermediate250 pts
Not Equal to Anything
0 solves - Intermediate250 pts
The Injection Row
0 solves - Intermediate250 pts
A POST to an Uploaded ASPX
0 solves
Digital Forensics
26 challenges
- Beginner100 pts
Unallocated Space
0 solves - Beginner100 pts
Follow The Stream
0 solves - Intermediate250 pts
Out Of Order
0 solves - Intermediate250 pts
Removed In The Next Commit
0 solves - Intermediate250 pts
It Was In RAM
0 solves - Beginner100 pts
Enable Content
0 solves - Intermediate250 pts
One Line Too Long
0 solves - Advanced450 pts
Read The Map
0 solves - Beginner100 pts
Failed, Then In
0 solves - Beginner100 pts
Needle in the Log
0 solves - Intermediate250 pts
Beacon Rhythm
0 solves - Intermediate250 pts
Encoded Command
0 solves - Advanced450 pts
Public Path Persistence
0 solves - Intermediate250 pts
Largest POST Wins
0 solves - Intermediate250 pts
DNS Is a Covert Channel
0 solves - Intermediate250 pts
A Task That Runs at Logon
0 solves - Intermediate250 pts
Who Cleared the Evidence
0 solves - Advanced450 pts
Mass Rename Is Encryption
0 solves - Beginner100 pts
Burst at the Door
0 solves - Intermediate250 pts
Who Spawned PowerShell?
0 solves - Intermediate250 pts
The Domain That Beats
0 solves - Beginner100 pts
240 Megabytes Out
0 solves - Advanced450 pts
Assume the Worst Role
0 solves - Intermediate250 pts
Timeline Doesn't Lie
0 solves - Intermediate250 pts
Script Block Confessions
0 solves - Beginner100 pts
It Runs at Logon
0 solves
Cryptography
12 challenges
- Beginner100 pts
Peel the Onion
0 solves - Beginner100 pts
One Byte Is Not A Key
0 solves - Intermediate250 pts
The Key Comes Back Around
0 solves - Intermediate250 pts
Cube Root Diplomacy
0 solves - Advanced450 pts
Two Keys, One Prime
0 solves - Advanced450 pts
Same Modulus, Different Reader
0 solves - Advanced450 pts
Predictable Randomness
0 solves - Expert750 pts
Neighbours
0 solves - Intermediate250 pts
Single-Byte XOR Config
0 solves - Intermediate250 pts
Crib Recovers the Key
0 solves - Advanced450 pts
Cube Root, Small e
0 solves - Beginner100 pts
Peel Every Layer
0 solves
OSINT
9 challenges
- Beginner100 pts
Where Was This Taken
0 solves - Beginner100 pts
Freshly Registered
0 solves - Beginner100 pts
Punycode Look-alike
0 solves - Beginner100 pts
Metadata Outlives the Pixels
0 solves - Intermediate250 pts
Secrets Live Forever in History
0 solves - Intermediate250 pts
Public Bucket, Private Files
0 solves - Advanced450 pts
CT Logs Reveal Staging Hosts
0 solves - Beginner100 pts
The Author Field Never Lies
0 solves - Intermediate250 pts
Correlate Across the Dump
0 solves
Reverse Engineering
2 challenges
Steganography
6 challenges
Misc / Linux / Networking
18 challenges
- Beginner100 pts
What They Typed
0 solves - Intermediate250 pts
Time To Live
0 solves - Intermediate250 pts
The Short Way Up
0 solves - Intermediate250 pts
Every Minute, As Root
0 solves - Beginner100 pts
Base By Base
0 solves - Beginner100 pts
Said Out Loud
0 solves - Intermediate250 pts
Read The Environment
0 solves - Beginner100 pts
Which Rule Fired
0 solves - Intermediate250 pts
The Spoofed Sender
0 solves - Advanced450 pts
One Timeline, Many Sources
0 solves - Advanced450 pts
Impossible Travel
0 solves - Advanced450 pts
RC4 Service-Ticket Spray
0 solves - Intermediate250 pts
Added to Domain Admins
0 solves - Intermediate250 pts
JNDI in the Header
0 solves - Intermediate250 pts
None Shall Pass
0 solves - Beginner100 pts
Committed by Mistake
0 solves - Intermediate250 pts
Anyone Can Read
0 solves - Intermediate250 pts
Exec Into Prod
0 solves