mirror of
https://github.com/AbdullahRizwan101/CTF-Writeups
synced 2024-11-25 05:10:23 +00:00
28 lines
738 B
Markdown
28 lines
738 B
Markdown
|
## Input as a Service
|
||
|
|
|
||
|
|
<img src="https://imgur.com/iowzjOV.png"/>
|
||
|
|
|
||
|
|
On connecting with the port it shows a python2 shell , giving it an input it shows an error
|
||
|
|
|
||
|
|
<img src="https://imgur.com/xVGZbfx.png"/>
|
||
|
|
|
||
|
|
But if we supply a string it won't break
|
||
|
|
|
||
|
|
<img src="https://imgur.com/k7EVczX.png"/>
|
||
|
|
|
||
|
|
On googling around to import a python module I found a techique to import a module using `___import___` as the input is accepting only string so this will be accepting as string
|
||
|
|
|
||
|
|
<img src="https://imgur.com/UwduQcf.png"/>
|
||
|
|
|
||
|
|
<img src="https://imgur.com/uoNabgx.png"/>
|
||
|
|
|
||
|
|
And we'll get the flag
|
||
|
|
|
||
|
|
<img src="https://imgur.com/ecNQSGg.png"/>
|
||
|
|
|
||
|
|
We can also look at the source
|
||
|
|
|
||
|
|
<img src="https://imgur.com/CgXIak7.png"/>
|
||
|
|
|
||
|
|
With this we solved the challenge !!
|