Chipi Chipi Chapa Chapa Roobi Roobi
Challenge File:
MD5 Hash: 3444edaedd598cef6ac98c42ef82fe66
- Bypass SEH and VEH based exception handling checks
- Reflective DLL Injection
- Decrypt AES using a runtime generated key and IV which is generated based on a value from TLS BLock
- Red-herrings have been implemented
- Reverse custom encryption scheme involving matrix and complex number math
- Decryption involves a bruteforce approach to construct a non corrupted PNG
icc{n0_c47n1p_n33d3d_70_50lv3_7h15_d3cryp710n}