Blog

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    How I found a vulnerability giving me infinite CPE credits

    4.86 of 142 votes

    This is my write-up on a vulnerability I identified which allowed me to credit my ISACA CISM certification with unlimited CPE credits. During my day off I was looking at ways to earn myself some CPE credits towards my CISM certification. For context, 1 hour of eligible activities translates to the accrual of 1 CPE credit, and for my CISM certification,

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    CVE-2021-26084 PoC write-up

    4.81 of 103 votes

    This is my PoC write-up for CVE-2021-26084, which amounts to RCE and affects certain versions of Confluence Server and Data Center instances. I've come across this vulnerability a few times during the course of my research, so decided to add a brief PoC write-up for ease of future reference. Summary CVE-2021-26084 is an OGNL injection vulnerability allowing an unauthenticated attacker

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    I hacked the Dutch Tax Administration and got a trophy

    • General
    • by Jacob Riggs
    • 12 Feb 2022
    4.91 of 224 votes

    The Dutch Tax Administration (Belastingdienst) sent me a trophy and formal letter of appreciation on behalf of the Dutch government. The front engraving on the trophy playfully reads, “I hacked the Dutch Tax Administration and never got a refund”. Together with the trophy was a formal letter of appreciation.On behalf of the Dutch Tax and Customs Administration, we would like

  • How to integrate Nuclei with Interactsh and Notify

    4.79 of 116 votes

    This is my walkthrough for installing Nuclei from ProjectDiscovery and how to integrate a suite of tools to assist with automation tasks. This includes subfinder for subdomain discovery, httpx for probing to validate live hosts, setting up your own self-hosted Interactsh server for OOB (out-of-band) testing, and how to install and configure Notify for the convenience of alerting on any

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    Source code disclosure via exposed .git

    4.82 of 112 votes

    This is my write-up on a misconfigured .git repo I found during my day off and how the potential exploitation of this vulnerability can amount to source-code disclosure. During my day off I took a brief look at a particular vendor my employer was in the process of procuring a new service from. I quickly identified what appeared to be

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    My limited edition print art collection

    4.78 of 125 votes

    Over the years I've collected a number of prints from a particular artist. This artist is David Ambarzumjan, an incredibly talented painter from Germany that aims to combine abstract and surrealistic elements to express his fascination for nature in all its diversity and unpredictability. His works can be found in private collections and exhibitions all around the world, some of