$ ctf42

Death_Star_Ransomware

Crypto weight 24.50 No technique tags yet.
Difficulty Not rated yet

Flag format: shctf{...}

The rebel scums have sent ransomware to our beloved space station! Fortunately for us they left some evidence behind so we know what they did.

We need your help to recover our file so the death star can continue its day to day operations of maintaining order in the galaxy.

Our intelligence operators say they used aes 128 ecb to encrypt it.

And we've found this as well

head -c 100 flag.bmp | xxd -i 0x42, 0x4d, 0xca, 0x14, 0x70, 0x01, 0x00, 0x00, 0x00, 0x00, 0x8a, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, 0xe8, 0x09, 0x00, 0x00, 0x4a, 0x09, 0x00, 0x00, 0x01, 0x00, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, 0x40, 0x14, 0x70, 0x01, 0x23, 0x2e, 0x00, 0x00, 0x23, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x42, 0x47, 0x52, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00

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