```
Challenge
4 Solves
Bot Protection IV
Point Value: 500
Challenge Description
When on website: +1 spam resistance +10 user annoyance

Gotta be fast! 500 in 10 minutes!

https://captcha.chal.uiuc.tf

Author: tow_nater

```








```html

```






```json
{
"origin_image_dir": "/home/xxx/solve/captchas/",
"new_image_dir": "/home/xxx/solve/new_train/",
"train_image_dir": "/home/xxx/solve/train/",
"test_image_dir": "/home/xxx/solve/test/",
"api_image_dir": "sample/api/",
"online_image_dir": "sample/online/",
"local_image_dir": "sample/local/",
"model_save_dir": "model_v8/",
"image_width": 250,
"image_height": 75,
"max_captcha": 5,
"image_suffix": "png",
"char_set": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"use_labels_json_file": false,
"remote_url": "http://127.0.0.1:6100/captcha/",
"cycle_stop": 20000,
"acc_stop": 0.99,
"cycle_save": 500,
"enable_gpu": 1,
"train_batch_size": 32,
"test_batch_size": 32
}

```











```python

Level 497 is not high enough
Invalid captcha
Invalid captcha
Invalid captcha
Invalid captcha
Invalid captcha
Level 498 is not high enough
Level 499 is not high enough
uiuctf{i_knew_a_guy_in_highschool_that_could_read_this}
Traceback (most recent call last):
File "man.py", line 168, in <module>
main()
File "man.py", line 159, in main
lv = int(header.split(" ")[1])
IndexError: list index out of range

```

```
Flag : uiuctf{i_knew_a_guy_in_highschool_that_could_read_this}
```


⋮⊣⊣ᓭᓭ :


||⋮ꖌ|||| :



||⋮ꖌ|||| :


⋮!¡ᓭᓵʖ :


⎓↸ᓭᒷ⋮ :


⍊⋮⊣⋮⋮ :






T⍑ᔑリꖌᓭ ⎓?∷ ∷ᒷᔑ↸╎リ⊣ ⚍リℸ ̣ ╎ꖎ ⍑ᒷ∷ᒷ :)

Original writeup (https://github.com/wwkenwong/CTF-Writeup/tree/master/web/UIUCTF/Bot_Protection_IV).