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12 challenges

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…

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.…

General SkillsLevel 5★★★★★

Fuzzing Basics - 0-day Discovery

Analyze the prerecorded crash set without running a fuzzer or target binary. artifacts/fuzzing/triage.csv lists each…

CryptographyLevel 5★★★★★

Cryptanalysis - RSA e=3 Broadcast Attack

broadcast.json contains the same plaintext encrypted with unpadded RSA e=3 under three pairwise-coprime moduli.…