Challenge list
ProgrammingLevel 4★★★★☆Programming - C2 Traffic Analysis
Analyze the synthetic log beacon.log, which is generated randomly at every start (no network connection is needed).…
ProgrammingLevel 4★★★★☆Programming - Buffer Overflow Crash Analysis
Analyze the crash reports crash_01.txt to crash_06.txt, which are generated randomly at every start (they contain no…
ProgrammingLevel 4★★★★☆Programming - Fuzzing Result Analysis
Analyze the fuzzing result log fuzz-results.log, which is generated randomly at every start (inputs are merely stored;…
ProgrammingLevel 4★★★★☆Programming - Blockchain Event Reassembly
/challenge/blocks.json is a list of blocks from an offline development chain, regenerated with random data every time…
ProgrammingLevel 4★★★★☆Programming - Rootkit View Diffing
proc_ps.txt (the userland ps output) and proc_kernel.txt (the result of walking the kernel task list directly) are…
ProgrammingLevel 4★★★★☆Programming - Anomaly Detection
/challenge/requests.csv is a web API access log that is regenerated with random data every time the container starts…
ProgrammingLevel 4★★★★☆Programming - Pentest Finding Analysis
findings.json is a scan result built from random data at every start (in /challenge). It has entry (edge-gw),…
ProgrammingLevel 4★★★★☆Programming - Async Scan Result Analysis
/challenge/scan-events.jsonl is the event log of an asynchronous port scanner, regenerated with random data every time…
General SkillsLevel 4★★★★☆Encrypted Communication - GPG Public Key Cryptography
Practice GnuPG decryption. Import every private key under `/challenge/keys/` and decrypt each ciphertext under…
General SkillsLevel 4★★★★☆Vulnerability Scanning - Advanced Nmap NSE
The results of running `nmap -sV -sC --script vuln` against the internal subnet `10.66.13.0/24` are in…
General SkillsLevel 4★★★★☆Static Analysis - Code Vulnerability Scanning
The Python source of an internal notes app is in `/challenge/src/`. The nine lines flagged by an earlier…
General SkillsLevel 5★★★★★APT Simulation - Full Breach Scenario
This is not an attack exercise but a blue-team task of reading the logs of an incident that already happened. From the…
General SkillsLevel 5★★★★★Bug Bounty Practice - Vulnerability Discovery Master
Analyze the fixed artifacts/bug-bounty/triage-report.json instead of testing a live application. A chained report has…
LinuxLevel 5★★★★★Linux-eBPF Rootkit. Unmasking a Hidden Process
This challenge safely recreates eBPF-rootkit investigation as offline evidence analysis. Without loading eBPF, tell…
LinuxLevel 5★★★★★Linux-Kernel Exploit. Rewriting a Read-Only File with Dirty COW
This challenge models mmap, MAP_PRIVATE, and madvise—the ingredients used by Dirty COW (CVE-2016-5195)—as a safe,…
ProgrammingLevel 5★★★★★Advanced Python - Concurrent Event DAG Correlation
events.jsonl interleaves randomly ordered events from many services and traces. Starting from the marked auth.failed…
General SkillsLevel 5★★★★★Red Teaming - Custom C2 Framework
No C2 server, agent, socket communication, or command execution is started. Analyze the local…
General SkillsLevel 5★★★★★Anti-Forensics - Evidence Elimination
After the intrusion the attacker covered their tracks: they cut a time window out of `/challenge/auth_syslog.log` (the…
General SkillsLevel 5★★★★★Custom Malware - Stealth Techniques
No executable malware, injection, or evasion capability is included. Analyze the inert configuration sample…
General SkillsLevel 5★★★★★Cloud Pentesting - AWS Multi-Stage Attack
Do not use AWS credentials, a metadata endpoint, or Lambda. Analyze the local artifacts/aws/cloudtrail-chain.jsonl…
General SkillsLevel 5★★★★★Container Escape - Kubernetes Privilege Escalation
Do not use a Kubernetes API, host mount, privileged container, or escape. Read the static…
General SkillsLevel 5★★★★★Supply Chain Attack - Dependency Exploitation
Audit the dependency records of the Node.js app `kinoco-webapp`: `/challenge/dependencies.txt` (the dependencies…
Network SecurityLevel 5★★★★★Network Analysis - IPv4 Overlapping Fragment Reassembly
The UDP datagram with IPv4 ID 0xbeef in fragments.pcap contains overlapping fragments that overwrite earlier bytes.…
General SkillsLevel 5★★★★★Pivoting - Multi-Tier Network Penetration
Analyze the prerecorded artifacts/pivot/topology.json without creating routes, tunnels, proxies, or remote services.…