WaniCTF'21-spring

• https://score.wanictf.org/#/

• 2021/04/30 10:00 JST — 2021/05/02 20:00 JST

Official Writeup

• https://github.com/wani-hackase/wanictf21spring-writeup

My Challenges

Solved

tag	problem	comment	score	solved
Pwn	01 netcat	netcat	142	259
Misc	Automaton Lab.	Rule30	262	45
Misc	binary	binary to string	156	187
Crypto	Can't restore the flag?	Chinese Remainder Theorem	207	83
Web	CloudFront Basic Auth		282	37
Crypto	Easy		166	152
Web	exception		186	110
Reversing	execute	assembly	190	105
Crypto	Extra	RSA 2p+q	219	72
Web	fake	DevTools	136	305
Misc	Git Master	docker, git	217	74
Forensics	illegal image	wireshark, ICMP	271	41
Reversing	licence	angr	285	36
Forensics	MixedUSB	strings	175	131
Crypto	OUCS	Okamoto–Uchiyama cryptosystem	300	31
Forensics	presentation	ppsx	142	258
Reversing	secret	strings	150	210
Forensics	secure document	AutoHotKey	207	83
Crypto	Simple conversion	int to bytes	154	192
Forensics	slow	Slow Scan television	274	40
Reversing	timer	GDB, change variable\	202	89
Web	Wani Request 1	webhook	148	220
Web	Wani Request 2	webhook. xss	250	51
Web	watch animal	Blind SQL injection	219	72

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Result

• 4940 points

• 27 / 353 (> 1 pt)