CyberSecurityRumble CTF

• http://ctf.cybersecurityrumble.de/

• 2020/10/31 04:00 JST — 2020/11/02 04:00 JST

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My Challenges

Solved

tag	problem	comment	score	solved
Web	Cyberwall	OS Command Injection	100	389
Crypto	Hashfun	XOR	100	267
Reversing, C	Zeh	XOR	100	221

Unsolved

tag	problem	comment	score	solved
Math	Pady McPadface	Quadratic residue (平方剰余)	200	18
Web	Wheels n Whales	PyYAML	100	94

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Result

• 300 points

• 259 / 980 (all)

• 259 / 474 (> 1 pt)