rest of investigative reversing 3

investigative_reversing_3/sol.py

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+#!/home/maxime/.pyvenv/bin/python3
+
+with open("encoded.bmp", 'rb') as f:
+    img = f.read()
+    
+    buffer_zone = 732
+    flag_size = 50
+    enc_size = flag_size * 9
+
+    enc_buffer = img[buffer_zone:buffer_zone + enc_size]
+    flag_buffer = [''] * flag_size
+
+    for i in range(flag_size):
+        enc_offset = i * 9
+
+        char = 0
+        for j in range(8):
+            char |= (enc_buffer[enc_offset+j] & 1) << j
+        flag_buffer[i] = chr(char)
+
+    print(''.join(flag_buffer))
+