Articles

Writeup Age of Aquarius - UIUCTF 2025
This was an OSINT challenge in which we had knowledge of a person's Tumblr account and, based only on that account, we needed to find their state/province and country. You can check the account [here](https://www.tumblr.com/16degreesofscorpio).
By zeguilherme1, on 8/1/2025
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Writeup Bad Blood - UIUCTF 2025
This is a follow-up OSINT challenge. Mr. Blue Sky is just trying his best to build a following, but he's been trying to hide interactions from a particular troll. Our goal is to investigate and find a flag by exploring Bluesky interactions.
By zeguilherme1, on 8/1/2025
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Writeup Mr. Blue Sky - UIUCTF 2025
This is an introductory OSINT challenge. We have a Bluesky account and want to find a flag by searching through the person's profile.
By zeguilherme1, on 8/1/2025
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DoService
Denial of Service (DoS) attacks are becoming increasingly common on the Internet. Whether due to the ubiquitous aspect that the internet has taken on in recent years, the ease with which attacks of this type can be implemented, or even the difficulty of avoiding them, it is clear that today more than ever denial of service attacks are a growing threat.
By gmelodie, on 9/30/2019
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