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Linus Tech Tips: We Built the BEST PC

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YouTube Security Videos Linus Tech Tips 03.09.2026, 19:00 Uhr 2 Min. Lesezeit

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YouTube Video

Get a 15% discount on Saily eSIM data plans! Download the Saily app and use code LTT at checkout. Or go to https://saily.com/ltt

We built the FASTEST PC money can buy off the shelf in 2026. It’s so fast it’s almost like gaming in the future, and it’s so futuristic that we actually still have to build it! Featuring a monstrous AMD Ryzen 9 9950X3D2, 32 Gigs of elusive DDR5 memory, and a MSI 5090 Lightning Z GPU with a freakin’ screen on it. Let’s see how this bad boy performs.

Discuss on the forum: https://linustechtips.com/topic/1642379-we-built-the-best-pc/

Check out the parts from the build!

AMD Ryzen 9 9950X3D2 Processor: https://geni.us/erc5S

Noctua NL-LC1-42 Liquid CPU Cooler: https://geni.us/NsSFD

ASRock AMD X870E Taichi Motherboard: https://geni.us/j5O9Q

G.SKILL Trident Z5 RGB Series DDR5 64GB CL30: https://geni.us/Wbg5AZX

WD_Black SN8100 2TB NVMe SSD: https://geni.us/lJsz

MSI NVIDIA GeForce RTX 5090 32G LIGHTNING Z: https://geni.us/PipPW9h

Fractal Design Meshify 3 XL Ambience Pro: https://geni.us/eGlizJ

Seasonic PRIME TX-1600 PSU: https://geni.us/nkNexmb

Check out our Channel Partners:

Secretlab - Grab a TITAN Evo ergonomic gaming chair: https://lmg.gg/secretlabltt

PIA - Get the VPN of our choice: https://www.piavpn.com/ltt

dbrand - Buy a "Circuit" series skin for your device: https://dbrand.com/pcb

► SHOP LTT PRODUCTS: https://lttstore.com

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► DIVE DEEPER ON THE LTT LABS WEBSITE: https://lmg.gg/labs

► SPONSORS, AFFILIATES, AND PARTNERS: https://lmg.gg/partners

Purchases made through some store links may provide some compensation to Linus Media Group. Affiliate links powered in part by https://affilimate.com/?aid=ghz1izbpb

Linus Sebastian is an investor in Framework Computer, Inc and HexOS by Eshtek.

CHAPTERS

---------------------------------------------------

0:00 Intro

0:56 Sponsor

1:17 Our CPU of choice

2:04 The Mother of boards

2:39 $1,600 RAM (R.I.P.)

3:08 Installing the SSD the fast way

3:22 Assembling core components

5:27 The pinnacle of 5090s

6:41 Slickest Display in the biz

7:20 Gaming on the FASTEST PC

9:32 Overclocking the FASTEST PC

12:00 Assessing the damage

12:38 Saily

13:31 Outro

IR-PLAYBOOK-RCEHIGH

Schritte anzeigen

SOC Incident Playbook: Remote Code Execution (RCE) Defense

WAF MitigationSofort

Virtuelles Patchen am Reverse Proxy / WAF für gefährdete URL-Pfade und Payloads aktivieren.

SecRule REQUEST_URI "@rx ..." "id:1001,phase:1,deny,status:403"

Web Shell ScanSofort

Web-Root auf neu angelegte Scripts, anomal modifizierte Dateien und Persistence scannen.

find /var/www -type f -name "*.php" -mmin -120

Outbound FilteringSofort

Ausgehenden Datenverkehr (Reverse Shells zu unbekannten IPs/Ports) blockieren.

ss -tunp | grep -E ":(4444|1337|8080|9001)"

Vendor Patching

Hersteller-Update in Staging validieren und schnellstmöglich in Produktion ausrollen.

apt update && apt --only-upgrade install <pkg>

1-Click Detection Engineering: Multi-Dialect SIEM Rules5 Formate

Regeln anzeigen

Syntax validiert (0 Fehler)

title: Detect Exploitation - Linus Tech Tips: We Built the BEST PC
id: b2b1b679-8854-494c-9db0-9a78b3a73979
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access

Syntax validiert (0 Fehler)

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "Linus Tech Tips: We Built the " ascii wide
    condition:
        any of them
}

Syntax validiert (0 Fehler)

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Linus Tech Tips We Built the BEST PC")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count

Syntax validiert (0 Fehler)

message: "*Linus Tech Tips We Built the BEST PC*"

Syntax validiert (0 Fehler)

CommonSecurityLog
| where Message has "Linus Tech Tips We Built the BEST PC"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

🎯

MITRE ATT&CK Matrix Navigator 14 Taktiken

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

💡 Tipp: Klicken Sie auf eine TTP, um Gegenmaßnahmen und SIEM-Erkennungsregeln anzuzeigen.Enterprise Matrix v14.1

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Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Linus Tech Tips: We Built the BEST PC.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

🛡️ Angriffsfläche & Exposure

Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen

1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.

🔗 Semantisch verwandte Zero-Days MariaDB 11.7 VEC

Schnell-Prompts für Analysten

⚠️ DEFANGED SANDBOX VIEW (tsecurity.de): Alle Netzwerkindikatoren und URLs wurden neutralisiert (2 Indikatoren entschärft). Nur zur defensiven Analyse!

Format: python

#!/usr/bin/env python3
# Exploit Title: PoC for Target
import socket, sys
target = '192[.]168[.]1[.]10'
url = 'hxxp://target[.]local/vuln'
s = socket.socket()
s.connect((target, 80))
s.send(b'GET / HTTP/1.1\r\nHost: target.local\r\n\r\n')