UNIX Project started in -

1964 -> Bell Laboratory (New Jersey)

1969 -> Project was withdraw, but Dennis Ritchie and Ken Thompson were two persons who are involved with the project interested to keep going after long of trials and errors, they have built a Operating system(OS) named as originally UNICS (Uniplexed Information & Computing Services) which is open-source and free to use for all.

1975 -> Version of UNICS(or Unix) was launched with UNIX v6 which got lot of attention and recognition on global scale and become popular in less-time.

After this revolution was started to give the professional services to users, companies started creating their own flavour of version of UNIX.

UNIX based OS by different organizations.

1). IBM created AIX

2). SUN created Solaris

3). Mac created MacOS

4). HP created UX

History behind creation of LINUX Operating System

In 1991, Linux Torvalds(Software Engineer) created and wrote the LINUX Operating system from Scratch by taking inspiration from UNIX and Andrew S. Tanenbaum (Computer Scientist) - He created a Operating system for children to share and guide the information which he named as - MINIX.

Linux is free and open-source use for all users for multi-tasking and multi-user support.

Many versions are released after wide adoption of this operating systems by different companies on regular basis with different user-cases.

Various Versions available - RHEL(provides services), Fedora(group or community), Debian, Ubuntu(widely adopted for Use), CentOS(Fast compared to other versions), Amazon Linux, Kali Linux(Mostly under for Hacking Purposes) etc.

Ways to operate an Operating System ->

1). CLI(Command Line Interface) based in which commands are being used to give instructions to computer to perform the tasks.

2). GUI(Graphical User Interface) based in which graphics based system is available to us to click and perform the tasks.

Linux is Kernel not an Operating System

Linux is a Kernel along with GNU can termed as Operating System

Linux(Kernel) + GNU -> OS

Linux is not a UNIX derivative. It was written from Scratch.

A Linux Distribution is the Linux kernel and a collection of software that together, creates an Operating System.

Advantages/Features of Linux ->

1). Open-Source

2). Secure

3). Simplified updates for all Installed Software

4). Light Weight

5). Supports Multi-user and Multi-Tasking

6). Multiple distributions - RedHat, Debian, Fedora

CTI Threat Relationship Graph2 Knoten / 1 Relationen

CVE / Incident Software MITRE ATT&CK CWE Weakness IoC

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

title: Detect Exploitation - Basics & History of Linux
id: 2ded8828-525e-4ff5-ac92-39020be803ae
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

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "Basics & History of Linux" ascii wide
    condition:
        any of them
}

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Basics  History of Linux")
| 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

message: "*Basics  History of Linux*"

CommonSecurityLog
| where Message has "Basics  History of Linux"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

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◀ VORHERIGER BEITRAG 1 Min

Mustang Panda: Chinesische Hackergruppe nutzt gefälschte diplomatische Dokumente zur ...

Hacking & Pentesting

NÄCHSTER BEITRAG 18 Min

I brought C++23 to Windows 95 because Microsoft told me my PC was too old

Sichere ProgrammierungWeiterlesen ▶

Blättern: Pfeiltasten [ ← ] [ → ] · Tasten j / k · mobil: Wischen

Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Basics & History of Linux.... 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')

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