: If an executable is present, load it into Ghidra or IDA Pro . Analyze the logic—specifically where it handles input or "victory" conditions—to find where the flag is generated or stored in memory. 4. Extracting the Flag
Hidden metadata or unusual file names (e.g., .hidden_flag.txt ). File: Space.Invaders.Extreme.zip ...
: Use the file command to confirm it is a standard ZIP archive. : If an executable is present, load it
Image files ( .png , .jpg ) that might contain steganographic data. : If an executable is present
: Use these tools to see if other files are embedded inside the extracted files. For example, a PNG file might actually have a ZIP appended to the end of it.
The first step involves identifying the file type and verifying its integrity.