User Enumeration Part 1 – Building Name Lists

A common part of pen tests – both network and web app – is password spraying. In order to do that, you need usernames. But how do you find out what your target’s usernames are? This is the first in a series of posts to discuss user enumeration and...

SQLi Data Exfiltration via DNS

Did you know you can use DNS queries to exfiltrate data from a database via SQLi? No? Then continue reading! I’ll walk through some techniques you can use to enumerate and exfiltrate data from a DB server via blind SQLi. On a recent web app test, I encountered a...

Capturing SQL Server User Hash with SQLi

On a recent external web app pen test, I found a possible SQL injection vulnerability using the Burp Scanner. One of the tests triggered an A record lookup for the Burp Collaborator server. In the screenshot below, we can see the test that triggered the finding....