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challenges-category-Networks.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>
Challenges : IrisCTF 2024 - CTF fun for hackers of all skill levels
</title>
<meta content="A fun, lighthearted, and educational 48-hour online CTF aimed towards hackers of all levels." name="description"/>
<meta content="" name="author"/>
<meta content="/static/img/favicon.png" property="og:image">
<link href="/static/img/favicon.png" rel="icon" type="image/png"/>
<link href="/static/ctfx.css-v-1.3.0.css" rel="stylesheet"/>
</meta>
</head>
<body>
<div id="navbar">
<a href="/">
<img id="navbar-logo" src="/static/img/logo_navbar.png"/>
</a>
<div id="navbar-buttons">
<a href="/home.html">
Home
</a>
<a class="active" href="/challenges.html">
Challenges
</a>
<a href="/scoreboard.html">
Scoreboard
</a>
<a href="/profile.html">
</a>
<form action="/api" method="post">
</form>
</div>
</div>
<div id="body-content">
<div class="pre-category-name">
Challenge category:
</div>
<div class="category-name typewriter">
Networks
</div>
<div style="display:flex; flex-wrap:wrap">
<div class="decorator-square-container" style="transform: rotate(270deg)">
<div class="decorator-square-component" style="background-color:#009927">
</div>
<div class="decorator-square-component title-decorator-gray">
</div>
<div class="decorator-square-component decorator-square-icon" style="background-image: url('/static/img/icons/arrow.png');background-size: 16px;filter:invert(1);">
</div>
</div>
<a class="btn-solid btn-solid-warning" href="challenges-category-Binary+Exploitation.html" style="margin:0px 8px 8px 0px">
Binary Exploitation
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Cryptography.html" style="margin:0px 8px 8px 0px">
Cryptography
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Forensics.html" style="margin:0px 8px 8px 0px">
Forensics
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Miscellaneous.html" style="margin:0px 8px 8px 0px">
Miscellaneous
</a>
<a class="btn-solid btn-solid-warning active" href="challenges-category-Networks.html" style="margin:0px 8px 8px 0px">
Networks
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Open-Source+Intelligence.html" style="margin:0px 8px 8px 0px">
Open-Source Intelligence
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Radio+Frequency.html" style="margin:0px 8px 8px 0px">
Radio Frequency
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Reverse+Engineering.html" style="margin:0px 8px 8px 0px">
Reverse Engineering
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Web+Exploitation.html" style="margin:0px 8px 8px 0px">
Web Exploitation
</a>
<a class="btn-solid btn-solid-warning" href="challenges-category-Welcome.html" style="margin:0px 8px 8px 0px">
Welcome
</a>
</div>
<div style="margin-bottom: 8px">
</div>
<div class="card">
<div class="card-header">
<div style="display:flex">
<a href="challenge-id-10.html">
Where's skat?
</a>
<div class="challenge-points">
<img src="/static/img/icons/flag.png"/>
50 Points
</div>
</div>
<small>
</small>
</div>
<div class="card-content">
<p>
While traveling over the holidays, I was doing some casual wardriving (as I often do). Can you use my capture to find where I went?
</p>
<p>
</p>
<p>
Note: the flag is
<code>
irisctf{the_location}
</code>
, where
<code>
the_location
</code>
is the
<strong>
full name
</strong>
of my destination location, not the street address. For example,
<code>
irisctf{Washington_Monument}
</code>
. Note that the flag is not case sensitive.
</p>
<div style="margin-top:8px; display:flex; flex-wrap: wrap">
<a href="https://cdn.2024.irisc.tf/wheres-skat.tar.gz" style="text-decoration:none; margin-right:8px; margin-bottom:8px" target="_blank">
<div class="tag tag-inline btn-solid btn-solid-link" style="margin-bottom:0px">
<img src="/static/img/icons/package.png" style="width:20px; height:20px; margin-right:8px">
wheres-skat.tar.gz
</img>
</div>
</a>
</div>
<div>
<div class="tag tag-inline">
<img src="/static/img/icons/info.png" style="width:20px; height:20px; margin-right:8px">
<b style="margin-right:8px">
Hint!
</b>
<p>
If you're relying on Google Maps to get location names, be careful that it doesn't get lost in translation (for the non-Americans).
</p>
</img>
</div>
</div>
<div class="tag tag-inline" style="margin-bottom:0px">
<img src="/static/img/icons/user.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
By:
</b>
skat
</div>
</div>
</div>
<div class="card">
<div class="card-header">
<div style="display:flex">
<a href="challenge-id-27.html">
skat's Network History
</a>
<div class="challenge-points">
<img src="/static/img/icons/flag.png"/>
413 Points
</div>
</div>
<small>
</small>
</div>
<div class="card-content">
<p>
"I love cats."
</p>
<p>
</p>
<p>
Note: this challenge is a continuation to Forensics/skat's SD Card. You are dealing with the same scenario.
<code>
skats-sd-card.tar.gz
</code>
is the same file from that challenge (SHA-1:
<code>
4cd743d125b5d27c1b284f89e299422af1c37ffc
</code>
).
</p>
<div style="margin-top:8px; display:flex; flex-wrap: wrap">
<a href="https://cdn.2024.irisc.tf/skats-network-history.tar.gz" style="text-decoration:none; margin-right:8px; margin-bottom:8px" target="_blank">
<div class="tag tag-inline btn-solid btn-solid-link" style="margin-bottom:0px">
<img src="/static/img/icons/package.png" style="width:20px; height:20px; margin-right:8px">
skats-network-history.tar.gz
</img>
</div>
</a>
<a href="https://cdn.2024.irisc.tf/skats-sd-card.tar.gz" style="text-decoration:none; margin-right:8px; margin-bottom:8px" target="_blank">
<div class="tag tag-inline btn-solid btn-solid-link" style="margin-bottom:0px">
<img src="/static/img/icons/package.png" style="width:20px; height:20px; margin-right:8px"/>
skats-sd-card.tar.gz
</div>
</a>
</div>
<div>
</div>
<div class="tag tag-inline" style="margin-bottom:0px">
<img src="/static/img/icons/user.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
By:
</b>
skat
</div>
</div>
</div>
<div class="card">
<div class="card-header">
<div style="display:flex">
<a href="challenge-id-9.html">
Copper Selachimorpha
</a>
<div class="challenge-points">
<img src="/static/img/icons/flag.png"/>
467 Points
</div>
</div>
<small>
</small>
</div>
<div class="card-content">
<p>
Joe Schmoe was using his mobile hotspot and downloading some files. Can you intercept his communications?
</p>
<div style="margin-top:8px; display:flex; flex-wrap: wrap">
<a href="https://cdn.2024.irisc.tf/copper-selachimorpha.tar.gz" style="text-decoration:none; margin-right:8px; margin-bottom:8px" target="_blank">
<div class="tag tag-inline btn-solid btn-solid-link" style="margin-bottom:0px">
<img src="/static/img/icons/package.png" style="width:20px; height:20px; margin-right:8px">
copper-selachimorpha.tar.gz
</img>
</div>
</a>
</div>
<div>
<div class="tag tag-inline">
<img src="/static/img/icons/info.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
Hint!
</b>
<p>
Think very deeply about the premise of the challenge. You need to do a lot of analysis to recover the rest of the flag.
</p>
</div>
</div>
<div class="tag tag-inline" style="margin-bottom:0px">
<img src="/static/img/icons/user.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
By:
</b>
skat
</div>
</div>
</div>
<div class="card">
<div class="card-header">
<div style="display:flex">
<a href="challenge-id-28.html">
Sharing is Caring
</a>
<div class="challenge-points">
<img src="/static/img/icons/flag.png"/>
500 Points
</div>
</div>
<small>
</small>
</div>
<div class="card-content">
<p>
Sharing is caring, don't ya know? Sharing a communications channel, that is!
</p>
<p>
</p>
<p>
Eve is trying to read Alice's messages, but she doesn't know how to make sense of any of the data being received over the network. This isn't your typical home network either, but something else within the network and communications space.
</p>
<p>
</p>
<p>
Eve and Alice are the only people connected to the network in this area. They share the channel, and if anyone else joined the network, they would likewise have to share the channel. Alice has only 1 device and Eve controls the rest. Eve has the signal and of course her own keys, attached.
</p>
<p>
</p>
<p>
Can you recover Alice's messages?
</p>
<div style="margin-top:8px; display:flex; flex-wrap: wrap">
<a href="https://cdn.2024.irisc.tf/sharing-is-caring.tar.gz" style="text-decoration:none; margin-right:8px; margin-bottom:8px" target="_blank">
<div class="tag tag-inline btn-solid btn-solid-link" style="margin-bottom:0px">
<img src="/static/img/icons/package.png" style="width:20px; height:20px; margin-right:8px">
sharing-is-caring.tar.gz
</img>
</div>
</a>
</div>
<div>
<div class="tag tag-inline">
<img src="/static/img/icons/info.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
Hint!
</b>
<p>
I wasn't sure whether or not to put this in RF or networks, but decided on networks since the path to get to the solution is more on the theoretical side of the fence and applicable to more than just RF. Hopefully that should give you an idea of where to start!
</p>
</div>
</div>
<div class="tag tag-inline" style="margin-bottom:0px">
<img src="/static/img/icons/user.png" style="width:20px; height:20px; margin-right:8px"/>
<b style="margin-right:8px">
By:
</b>
skat
</div>
</div>
</div>
</div>
<div id="footer">
<b>
Forked from
<a href="https://github.com/Milkdrop/CTFx">
CTFx
</a>
</b>
v1.3.0.
<br/>
CTFx by
<a href="https://gitlab.com/Milkdrop">
Milkdrop
</a>
, based on
<a href="https://github.com/Nakiami/mellivora">
mellivora
</a>
</div>
<audio id="audio-typewriter" src="/static/audio/typewriter.mp3">
</audio>
<audio id="audio-nav-mouseover" src="/static/audio/nav_mouseover.mp3">
</audio>
<audio id="audio-nav-click" src="/static/audio/nav_click.mp3">
</audio>
<audio id="audio-btn-dynamic-mouseover" src="/static/audio/btn_dynamic_mouseover.mp3">
</audio>
<audio id="audio-btn-dynamic-click" src="/static/audio/btn_dynamic_click.mp3">
</audio>
<audio id="audio-btn-solid-mouseover" src="/static/audio/btn_solid_mouseover.mp3">
</audio>
<audio id="audio-btn-solid-click" src="/static/audio/btn_solid_click.mp3">
</audio>
<audio id="audio-checkbox-click" src="/static/audio/checkbox_click.mp3">
</audio>
<script src="/static/ctfx.js-v-1.3.0.js" type="text/javascript">
</script>
</body>
</html>