EZ Games
Skill Labs
Hard, hands-on investigations on real data: real CloudTrail logs, a real Windows binary, a real research dataset. Download the evidence, use real tools, and prove what you find.
Breach at flaws.cloud: CloudTrail Investigation
Real CloudTrail logs from a real attacked AWS account. Trace a leaked key, a stolen EC2 role and an IAM recon session, event by event.
PE Autopsy: Triage a Real Signed Windows Binary
Static analysis of a real 64-bit Windows executable: headers, entry point, mitigations, entropy, imports, hidden strings and the signature.
Packed and Unpacked: Defeat a Packer
The same PuTTY you triaged, now packed with UPX. Spot the packing, unpack it, and prove the original is back, byte for byte.
YARA Hunt: One Rule, Zero False Positives
Write a YARA rule that catches every build of one program and none of its look-alikes, tested live with the real YARA engine.
Citation Detective: Audit a Literature Review
A draft literature review cites real papers. Check every claim against its source, catch the retracted papers and fix the broken references.
The Penguin Paradox: Real Data, Real Statistics
Clean a real field dataset, choose and run the right tests, and discover a result that reverses when you look closer.