Hack This Site Basic 6

Network Security Sam has encrypted his password. The encryption system is publically available and can be accessed with this form:

There we have been given with the same encryptor used by Sam .There is no other choice in my mind than guessing the password with the help of this encryptor.
We have Sam's encrypted password already :3ff8;j<9
>Now we need to find by giving which value we get the output as 3.
>when i given 'a' my output was 'a',which means no change.
>So,I tried giving '3' and as expected, answer was 3.
>So i pushed my luck and tried '3f',the first two letters,in encryptor ,Output was '3g'
this was clearly giving us hint.first letter has no change,second letter change by one alphabet or letter ,clearly from 'abcdefg'
>with this in mind iam giving input for encryption as '3ed',Huraaah!, it was successful and given output as '3ff'.
>now its easy to break down ...first letter no change for second letter output increase by one ,third increase by two and so on.
>now look for a ASCII code table: Here
>with that ASCII table you can easily guess the password
!!! look spoiler only if you have completed or you are unable to find password yourself!!!

SPOILER HERE

Comments

Where Can i Learn Hacking?

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Hack This Site Basic 8

Sam remains confident that an obscured password file is still the best idea, but he screwed up with the calendar program. Sam has saved the unencrypted password file in /var/www/hackthissite.org/html/missions/basic/8/ However, Sam's young daughter Stephanie has just learned to program in PHP. She's talented for her age, but she knows nothing about security. She recently learned about saving files, and she wrote a script to demonstrate her ability. So, we know the password is stored in some obscured password file. Lets try the same code as we did in level 7. But the code 'ls' is not treated as command. so lets try it differently. Try with aaa; it also failed but got a message: If you are trying to use server side includes to solve the challenge, you are on the right track: but I have limited the commands allowed to ones relevant towards finding the password file for security reasons(because there will always be that one person who decides to ...

Hack This Site! Basic 4

This time Sam hardcoded the password into the script. However, the password is long and complex, and Sam is often forgetful. So he wrote a script that would email his password to him auto And below this,There is a button for sending password to Sam's email.What we should do? right click on the button ,if you are in google chrome ,select > inspect . Now on right side you could see the script of that button. In this script you could see, <input type="hidden" name="to" value="sam@hackthissite.org"> Got any idea? yea , all you have to do is change the email to whatever email you registered in Hackthis site ! Now check your mail,there must be the password you needed! Keep going!

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