<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>4ntar3s</title><link>https://4ntar3s.com/</link><description>Recent content on 4ntar3s</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Sun, 21 Jun 2026 10:00:00 -0400</lastBuildDate><atom:link href="https://4ntar3s.com/index.xml" rel="self" type="application/rss+xml"/><item><title>Redeemer — Starting Point Tier 0</title><link>https://4ntar3s.com/redeemer-starting-point-tier-0/</link><pubDate>Sun, 21 Jun 2026 10:00:00 -0400</pubDate><guid>https://4ntar3s.com/redeemer-starting-point-tier-0/</guid><description>&lt;p>First box on the 4ntar3s log. Redeemer is a Tier 0 Starting Point machine — no exploitation chain, no privesc, just a single misconfigured service. The lesson here isn&amp;rsquo;t the hack, it&amp;rsquo;s the habit: enumerate fully before you touch anything.&lt;/p>
&lt;h2 id="recon">Recon&lt;/h2>
&lt;p>Two-stage nmap. Fast full-port sweep first, then deep service detection on what comes back.&lt;/p>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt">1
&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-bash" data-lang="bash">&lt;span class="line">&lt;span class="cl">nmap -p- --min-rate &lt;span class="m">5000&lt;/span> -oN sweep.txt 10.129.x.x
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;p>A single port answers:&lt;/p>
&lt;div class="highlight">&lt;div class="chroma">
&lt;table class="lntable">&lt;tr>&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code>&lt;span class="lnt">1
&lt;/span>&lt;span class="lnt">2
&lt;/span>&lt;/code>&lt;/pre>&lt;/td>
&lt;td class="lntd">
&lt;pre tabindex="0" class="chroma">&lt;code class="language-text" data-lang="text">&lt;span class="line">&lt;span class="cl">PORT STATE SERVICE
&lt;/span>&lt;/span>&lt;span class="line">&lt;span class="cl">6379/tcp open redis
&lt;/span>&lt;/span>&lt;/code>&lt;/pre>&lt;/td>&lt;/tr>&lt;/table>
&lt;/div>
&lt;/div>&lt;p>Then version detection on that one port:&lt;/p></description></item></channel></rss>