Offical URL:

Annual Capture The Flag hosted by the Google Security Team.

CTF events

Google Capture The Flag 2018 (Finals)37.00
Google Capture The Flag 2018 (Quals)96.75
Google Capture The Flag 2017 (Finals)25.00
Google Capture The Flag 2017 (Quals)67.01
Google Capture The Flag 201621.93
Related tags: web pwn xss x86 php trivia crypto stego rop sqli hacking forensics android perl python scripting pcap xor des sha1 cuda rsa penetration testing elf bruteforce wifi cracking c++ reverse engineering unicode javascript programming c engineering security arm java js .net go vm exploitation misc otp pwnable re mobile sql exploit stegano ppc steganography secure-coding math sandbox obfuscated dex coding networking ruby prng injection http penetration malware shell cracking pentest msf bash packet analysis programing objective-c ios algorithms windows network c64 collision social engineering carving asm html game linux all recon wireshark googling problem solving analysis lfi easy assembly miscellaneous filesystem mitm css caesar malware analysis csrf sleeping rev optimization software engineering irc scans computers shellcode analysis slacking kernel pil kali linux aes-ctr hardware basic language meepwn rawsec pkcs utf-16be frida assembler fibonacci embedded hailstone volatility cubeing csp rubik joe angular hash radare2 gaming network security jail race-condition bufferoverflow binaryexploitation pwning it writinglinuxsecuritymodule oshardening sympy hardwaresecurity forensic+crypto remote command execution pivoting buffer overflows node flask machine learning api hooking opencv baby google shellcode protobuf overflow pwntools wiener ciphertexts retro number theory gdb dos cookies keygening apk png reversing reverse_engineering use-after-free nc 2017 tcp switches #stego usb md5 vulnerability pytho operations passive recon idea firensic microsoft access microsoft publisher crytography ciphers anti-debugging angr captcha parsing session pdf patching encoding rekall lcg twitter xml module nobigdeal sniff russian python3 crc c googlectf cryptography pickle adb bleichenbacher padding-oracle hash-length-extension fractions pkcs1.5 homework reverse caploader xmldecoder compression automatization cesar hibernate hql serialize seccomp heap lockpicking binary objdump proxy blackberry ptrace cookie dynelf read template-injection symbolic lsb chrome header lsb-oracle lsb-stego dsp 8-bit atari logic-analyzer cssinjection com msdos fst ecdh curve25519 birthday fallthrough hooking smali native davies-meyer mmap braille keylogger commodore64 jni prg anti-debug lfsr crc64 recaptcha selfinjection tcache 800 webexp skills general drm mitigation info-leak youtube keys modular-arithmetic iot