Description:

Look, it’s Chekhov’s license checker!

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This binary requires at least glibc 2.35 and Linux 5.18. Some of the checks may be flaky in edge cases, but I haven’t observed this happening in practice. Unfortunately, if that happens for you, that is entirely your problem.

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Download:

chekhov-5e99ae238e264915.tar.xz (80.7 KiB)

Solution:

Show Flag

hxp{1f_in_th3_f1r5t_act_y0u_h4v3_put_a_lic3nse_0n_the_W4ll_th3n_in_the_f0llow1n6_0ne_it_5hould_b3_ch3cKed}

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CTFtime: Task & Writeups