> For the complete documentation index, see [llms.txt](https://thienguen.gitbook.io/ctf-writeups/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25.md).

# watCTF F25

Official Vault: <https://github.com/virchau13/watctf-f25-public>

*UWaterloo's Cybersecurity Club brings you a jeopardy-style online CTF, open to all!*

Solved Challenges:

{% content-ref url="/pages/rdHuJV56nBLRK92o0hyb" %}
[crypto](/ctf-writeups/ctf/2025/watctf-f25/crypto.md)
{% endcontent-ref %}

* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/web#waterloo-trivia-dash" class="button secondary">waterloo trivia dash</a>

{% content-ref url="/pages/rdHuJV56nBLRK92o0hyb" %}
[crypto](/ctf-writeups/ctf/2025/watctf-f25/crypto.md)
{% endcontent-ref %}

* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/crypto#stream-cipher-fans-when" class="button secondary">stream cipher fans when</a>
* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/crypto#java-oracle" class="button secondary">java oracle</a>
* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/crypto#permpress" class="button secondary">permpress</a>

{% content-ref url="/pages/RXwP6kcp9DK6IkT6fqHa" %}
[misc](/ctf-writeups/ctf/2025/watctf-f25/misc.md)
{% endcontent-ref %}

* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/misc" class="button secondary">web slinger log</a>

{% content-ref url="/pages/STDqPbDQHns3TkLrVhsP" %}
[rev](/ctf-writeups/ctf/2025/watctf-f25/rev.md)
{% endcontent-ref %}

* <a href="https://thienguen.gitbook.io/ctf-writeups/ctf/2025/watctf-f25/rev" class="button secondary">tfw\_no\_stack\_locals</a>