Published onJanuary 27, 2025PCC CTF - Bash Challenge WriteupPCC25-QUALmiscbashparameter-expansionwildcardsctfBash challenge with character filtering restrictions. Used parameter expansion and wildcards to bypass filters and execute /readflag.
Published onJanuary 27, 2025PCC CTF - Python Injection Challenge WriteupPCC25-QUALmiscpythoninjectionexecctfcode-injectionPython code injection challenge. Exploited exec() vulnerability by injecting malicious code through password parameter to read the flag.
Published onJanuary 27, 2025PCC CTF - Babys First Step ROP Challenge WriteupPCC25-QUALpwnropret2winbinary-exploitationctfROP challenge demonstrating ret2win technique. Used ROP gadgets to call win function with correct arguments and gain shell access.
Published onJanuary 27, 2025PCC CTF - Pwn101 Buffer Overflow Challenge WriteupPCC25-QUALpwnbuffer-overflowbinary-exploitationctfmemory-corruptionClassic buffer overflow challenge demonstrating memory corruption techniques. Overwrote critical variables to gain shell access.
Published onJanuary 27, 2025PCC CTF - Flag Generator Reverse Engineering WriteupPCC25-QUALreverse-engineeringjavaspring-bootclassfinalaesctfJava Spring Boot application reverse engineering challenge. Bypassed ClassFinal obfuscation to analyze license validation and generate valid license keys.