2020-11-24-Zip-Madness-NACTF

Posted on November 24, 2020

Zip Madness

Solution

We get file named flag.zip. After unpacking it, it seems like we have to unpack 1000 other ZIPs depending on direction specified in direction.txt I used simple bash script to do it:

for i in {1000..1}
do
  `unzip -o $i$(cat direction.txt).zip`
done

Flag

‚Äč nactf{1_h0pe_y0u_d1dnt_d0_th4t_by_h4nd_87ce45b0}

Credits

License

CC BY 4.0 WaletSec + everl0stz