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106 challenges (Page 2 of 5)

Network SecurityLevel 2★★☆☆☆

Network Analysis - Anonymous FTP Transfer

An anonymous FTP session was captured in clear text. Download the packet capture (traffic.pcap), follow the FTP data…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Clear-text HTTP Credentials

Analyze traffic intercepted on public Wi-Fi where someone logged in over plain HTTP. Download the packet capture…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Plaintext SMTP Attachment

The internal host 10.30.0.25 sent an email to port 25 of the mail server 10.30.0.10 without encryption. Download…

Digital ForensicsLevel 2★★☆☆☆

Find Password in Packet Capture

Clear-text HTTP traffic from a shop's internal network was captured. Among many requests, exactly one is the…

Digital ForensicsLevel 2★★☆☆☆

Identify Intrusion Time from File Timestamps

Analyze the modification times of the files in evidence/ to identify when the intrusion occurred and which hidden…

ProgrammingLevel 2★★☆☆☆

Programming - Bash Job Log Analysis

/challenge/jobs.log is a nightly batch log that is regenerated with random data every time the container starts. Each…

ProgrammingLevel 2★★☆☆☆

Programming - PIN Brute Force

/challenge/vault.json is a vault record that is regenerated with random data every time the container starts. It…

ProgrammingLevel 2★★☆☆☆

Programming - Hash Verification and Decryption

Analyze the evidence file artifact-manifest.json, which is generated randomly at every start. Each artifact…

ProgrammingLevel 2★★☆☆☆

Programming - Binary TLV Parsing

/challenge/capture.bin is a custom binary file that is regenerated with random data every time the container starts.…

Digital ForensicsLevel 2★★☆☆☆

Find Process in Memory Dump

memory.dump is a simplified text of memory-analysis output (pslist / psscan / cmdline). Find the suspicious process…

Digital ForensicsLevel 2★★☆☆☆

Recover Deleted Files

Recover the deleted compressed file (ZIP) from the disk image and find the flag in the memo inside it. Learn how to…

ProgrammingLevel 2★★☆☆☆

Regular Expressions - The One-Time Golden Glyph

Extract every KINO-four-digits-four-uppercase glyph from data.txt, identify the one occurring once, and submit it to…

Digital ForensicsLevel 2★★☆☆☆

Message Hidden in Image LSB

Extract the message hidden in the LSB (Least Significant Bit) of a PNG file. Learn the basics of steganography…

Digital ForensicsLevel 3★★★☆☆

Extract Session Cookies from Chrome

You are given `/challenge/Cookies` and `/challenge/History` (both SQLite) taken from a Linux Chrome profile. The…

Digital ForensicsLevel 3★★★☆☆

Detect DNS Tunneling

Analyze the DNS query log `dns_queries.log` to detect data exfiltration via DNS tunneling. Find the host flooding a…

Digital ForensicsLevel 3★★★☆☆

Find Deleted File Traces in NTFS $MFT

You are given `/challenge/mft_records.txt`, the `$MFT` of the Windows machine `KINOCO-WS07` written out as per-record…

ProgrammingLevel 3★★★☆☆

Python Automation - SQLite Database Analysis

Examine data.db (SQLite: users / orders / audit_log), created at every start. Aggregate orders per user_id with…

ProgrammingLevel 3★★★☆☆

Python Automation - Custom Cipher Decryption

cipher.txt holds the flag encrypted with a custom cipher (hex). Encryption applies per byte: add (key), xor…

ProgrammingLevel 3★★★☆☆

Python Automation - Encrypted ZIP Password Cracking

A new /challenge/secret.zip is created at every start. It contains flag.txt and readme.txt, encrypted with ZipCrypto.…

ProgrammingLevel 3★★★☆☆

Algorithms - BFS Shortest Path Through a Maze

Use BFS to find the shortest path from S to E in data.txt, then submit the UDLR move sequence to challenge.py. A…

Digital ForensicsLevel 3★★★☆☆

Detect Brute-Force Attack in Event Logs

Analyze the sshd authentication log `/challenge/auth.log` of the server `kinoco-srv01` and identify the session of the…

Network SecurityLevel 3★★★☆☆

Network Analysis - 802.1Q VLAN Separated Traffic

capture.pcap was captured from a mirrored switch trunk port, so frames from several VLANs are mixed together with…

Network SecurityLevel 3★★★☆☆

Network Analysis - SNMP Information Leak

A device speaking SNMPv2c with a weak community string (public) was captured returning a GetResponse. Download the…

Network SecurityLevel 3★★★☆☆

Network Analysis - SSL Strip Clear-text Credentials

An SSL Strip attack downgraded HTTPS to HTTP, so the victim's credentials traveled in clear text and were captured.…