Notifications

Discord

Any further problem releases / announcements will be made in #problem-announcements on Discord.

2019-06-04T12:58:46Z

Marginally More Spooky ECC

Marginally More Spooky ECC (Cryptography) has been released!

2019-06-04T12:58:24Z

Chicken Crossing

Chicken Crossing (Forensics) has been released!

2019-06-04T02:18:58Z

Challenge Updates

Tux Talk Show 2019 (Reversal) has been released! License: Binary and description has been updated. Skywriting v2: Description has been updated. Tux Talk Show 2019: Server reconfigured, please try exploits again. Skywriting v2: Hint has been uploaded. Broken GPS: Input has been updated

2019-06-04T01:33:14Z

Challenge Update

Forgot Your Password?'s flag has been fixed. Broken GPS has been re-released with an updated description.

2019-06-03T20:26:25Z

Slap

Slap (Forensics) has been released!

2019-06-03T20:15:48Z

Broken GPS

Broken GPS has been temporarily removed.

2019-06-03T19:51:58Z

Combo Chain Update

Combo Chain source has been updated to correctly reflect the binary.

2019-06-03T19:44:57Z

Validate Update

Validate has been temporarily removed for fixes.

2019-06-03T19:14:38Z

Intro to Netcat Update

nc_1.zip has been updated again.

2019-06-03T16:48:32Z

Combo Chain Lite

Combo Chain Lite (Binary Exploitation) has been released!

2019-06-03T16:33:49Z

Caesar's Revenge Update

The flag has been updated; please run your exploits again.

2019-06-03T15:13:20Z

A Lost Cause Update

The flag and description have been fixed.

2019-06-03T15:07:21Z

Intro to Netcat Update

The link to nc.exe has been updated and should no longer trip antivirus scanners.

2019-06-03T15:05:20Z

Spooky ECC

Spooky ECC (Cryptography) has been released!

2019-06-03T12:15:47Z

Byte updated

Binary for Byte has been updated without breaking changes. SHA-1: 5223e3fe7827c664a5adc5e0fa6f2c0ced8abaaf byte

2019-06-03T12:11:19Z

Pwn fix

Binaries for Return to Sender, Combo Chain, and Caesar's Revenge have been updated.

2019-06-03T11:38:33Z