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Ashes of Memory
Ashes of Memory
- Category: [Forensics]
- Author: [ace6002]
- Level: [Easy]
Challenge Description
Image stegseek reveals binary, decoding binary gives flag.
Solution
Tools Used
- [Stegseek]
- [Python to group binary by 7 bits and decode]
Step-by-Step Solution
Step 1: StegSeek on given JPG
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stegseek image.jpg -wl rockyou.txt
[Reveals hidden fl.txt containing flag. Passphrase for stegseek is ‘cyberpunk’.]
Step 2: Use python code to group binary bits by 7 and convert to ASCII.
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binary_input = input("Enter 7-bit binary (no spaces): ")
text = ''.join(chr(int(binary_input[i:i+7], 2)) for i in range(0, len(binary_input), 7))
print(text)
[Converts binary into required flag.]
Flag
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CYS{7h3RE_15_N0_E4D}
Flag
CYS{7h3RE_15_N0_E4D}