- Communicate with a Service via AIDL
- Reverse bytearray to recover matrix
- Use first element of matrix to recover e (bruteforce &iroot)
- Reduce the flag to finite field of a 32-bit prime, solve for each character.
- Challenge involves Reversing, Web, and Crypto
- Reverse the binary to get the endpoints
- Trigger the XSS bug in the website and get admin cookie
- Use Hash Length extension attack to get authenticated as admin and get the flag
- Challenge is a Nintendo GameBoy ROM image.
- Reverse the ROM and figure out the implementation
- Analyze the calling function’s checks to find the path along which we must move.
- Hand-crafting a linux shared object file with a size of less than 194 bytes