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International online challenge in information security. Previously known as RuCTFE.

Good choice to start playing A/D, because we're providing vulnbox in our cloud, so you don't need to be an administrator. Also good choice for pros — you will battle with teams from all over the world! From Yekaterinburg with <3

CTF events

RuCTF 202371.71
RuCTF 202297.62
RuCTFE 202082.02
RuCTFE 201975.21
RuCTFE 201872.00
RuCTFE 201776.13
RuCTFE 201676.13
RuCTFE 201560.00
RuCTFE 201470.00
RuCTF 201370.00
RuCTF 201270.00
RuCTF 201170.00
RuCTF 20100.00
Related tags: web pwn xss php bin crypto stego sqli hacking forensics python net pcap des sha1 fun c++ reverse engineering java gae django qt js .net go dalvik steganography nodejs dex code-injection klm ruby prng mongodb injection steg shell drawing websec padding morse malware analysis jwt lua websocket aws vaudenay warmup rust cbc rce atlablog thebin zip formatstring oracle ntp dotnet asp websockets xxe