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Capture the Flag (CTF) is a form of hacking competition. Use for questions about the design and operation of such contests. Do not use for questions asking for help with winning contests.

1 vote
1 answer
841 views

Why does this SQL injection have an equals symbol?

I was reading into the basics of SQL injection attacks on w3schools here. In the second example, I was curious as to why the equal sign was used. I have quoted within the line below. " or ""=" Is th …
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0 votes
0 answers
597 views

Metasploit module for NULL LDAP credentials

This article covers the solution for the LDAP challenges on a capture the flag. I understand how the first example works, using the NULL value for the username and password to authenticate to the LDAP …
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0 votes
1 answer
271 views

How does this PortSwigger lab's XSS work?

I was doing the following PortSwigger Lab on cross site scripting (XSS). The following payload works perfectly. http://foo?'-alert(1)-' Which is input into the following section of the webp …
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0 votes
1 answer
1k views

Some introductory reverse engineering help on finding a string

I understand the crackme I am researching is from 2007, however this was the point in my life when I initially became interested in reverse engineering and wish to complete it for nostalgia sake. Foll …
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1 vote
2 answers
1k views

Abusing Shell Feature for Privilege Escalation

This was covered in Linux PrivEsc, task 15, in this TryHackMe room. I am having trouble understanding how this debugging mode is executing the commands in the PS4 variable, and why I must put /usr/loc …
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