ImaginaryCTF Challenges
Personal writeups from ImaginaryCTF challenges with nice explanations, techniques and scripts
<- CTFImaginaryCTF - Total:
42
CTFImaginaryCTF 24/01/2023. 100 points. DSA. LCG. Modular system of equations CTFImaginaryCTF 21/01/2023. 125 points. DSA. Hidden Number Problem. LLL lattice reduction 
CTFImaginaryCTF 12/01/2023. 50 points. 64-bit binary. Buffer Overflow CTFImaginaryCTF 06/01/2023. 50 points. DSA. Modular arithmetic 
CTFImaginaryCTF 02/01/2023. 50 points. Base64 encoding CTFImaginaryCTF 21/12/2022. 75 points. Seven-segment display. Hexadecimal and Base64 encodings CTFImaginaryCTF 12/12/2022. 50 points. DNS CTFImaginaryCTF 08/12/2022. 100 points. RSA. Cipolla’s Algorithm CTFImaginaryCTF 28/11/2022. 75 points. RSA. Greatest Common Divisor. Bad PRNG CTFImaginaryCTF 20/11/2022. 90 points. RSA. Common modulus attack CTFImaginaryCTF 17/11/2022. 75 points. 64-bit binary. Buffer Overflow. Redirecting program execution 
CTFImaginaryCTF 09/11/2022. 50 points. Python code deobfuscation. XOR cipher 
CTFImaginaryCTF 08/11/2022. 50 points. HTTPs certificate CTFImaginaryCTF 04/11/2022. 50 points. robots.txt CTFImaginaryCTF 03/11/2022. 50 points. Inspect HTML code CTFImaginaryCTF 28/09/2022. 50 points. API docs CTFImaginaryCTF 15/09/2022. 50 points. System of linear equations CTFImaginaryCTF 14/08/2022. 50 points. Inverse sine of a number CTFImaginaryCTF 12/09/2022. 75 points. MD5 hash. Prototype Pollution CTFImaginaryCTF 07/09/2022. 75 points. RSA. Fermat’s Little Theorem CTFImaginaryCTF 06/09/2022. 50 points. 64-bit binary. Arbitrary write primitive CTFImaginaryCTF 05/09/2022. 50 points. 64-bit binary. Arbitrary read primitive CTFImaginaryCTF 04/09/2022. 90 points. DSA. Abusing special values CTFImaginaryCTF 03/09/2022. 50 points. Modular arithmetic. Reverse encryption algorithm CTFImaginaryCTF 02/09/2022. 50 points. XOR cipher CTFImaginaryCTF 10/08/2022. 75 points. RSA. Common modulus attack CTFImaginaryCTF 09/08/2022. 50 points. AES. Weak password. Brute force CTFImaginaryCTF 08/08/2022. 75 points. 64-bit binary. Format String vulnerability. GOT overwrite CTFImaginaryCTF 07/08/2022. 75 points. RSA. PRNG seed. CRT CTFImaginaryCTF 05/08/2022. 50 points. RSA. Large modulus and short exponent CTFImaginaryCTF 04/08/2022. 30 points. Cosine of a number with many decimal places 
CTFImaginaryCTF 03/08/2022. 30 points. Unicode characters CTFImaginaryCTF 02/08/2022. 30 points. Cosine of a number CTFImaginaryCTF 14/07/2022. 75 points. RSA. Wiener’s attack CTFImaginaryCTF 13/07/2022. 50 points. Server-Side Template Injection. Flask console CTFImaginaryCTF 12/07/2022. 75 points. XOR cipher CTFImaginaryCTF 11/07/2022. 75 points. 64-bit binary. Buffer Overflow. ret2libc. Bypass ASLR and canary CTFImaginaryCTF 07/07/2022. 50 points. XOR cipher with rotating key CTFImaginaryCTF 06/07/2022. 50 points. Python pickle CTFImaginaryCTF 05/07/2022. 50 points. RSA. Greatest Common Divisor CTFImaginaryCTF 04/07/2022. 75 points. ZIP archive. macOS (.DS_Store) CTFImaginaryCTF 03/07/2022. 30 points. Numerical base