picoCTF Write-up 03 / 06 · Python / Network / ASCII · 2025

BYTEMANCY-1.

Netcat challenge requiring transmission of ASCII decimal 101 ('e') exactly 1751 times consecutively without spaces.

PythonNetcatASCII

Method

Solution path.

Identified ASCII 101 = lowercase 'e'

Python one-liner: python3 -c "print('e' * 1751)" | nc host port

Received the flag on the wire

Flag (spoiler)

picoCTF{h0w_m4ny_e's???_6e0cc4c6}