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Introduction to AWS: Basics and main services

This article is also available in Spanish. When we think about cloud computing, it’s hard not to mention Amazon Web Services (AWS), one of the giants in the industry. AWS is more than just an infrastructure provider; it’s an ecosystem pow…

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This article is also available in Spanish.

When we think about cloud computing, it’s hard not to mention Amazon Web Services (AWS), one of the giants in the industry. AWS is more than just an infrastructure provider; it’s an ecosystem powering everything from startups to global corporations. If you’re taking your first steps into the cloud, this article is for you. Let’s explore what AWS is, why it’s so popular, and its main services.

What is AWS?

Amazon Web Services (AWS) is a cloud computing platform offering a wide range of services, from storage and databases to artificial intelligence and development tools. With AWS, you don’t need to invest in physical servers or on-premises infrastructure; everything is available on demand, meaning you only pay for what you use.

AWS operates a global network of data centers distributed across multiple regions, ensuring high availability, security, and low latency for its users.

Benefits of Using AWS

Before diving into the services, let’s look at why so many companies choose AWS:

1. Scalability

AWS allows you to scale your resources easily based on your application’s needs. For example, if you launch a mobile app and suddenly experience a surge in users, you can scale your infrastructure in minutes.

2. Pay-as-You-Go Model

With AWS, there are no upfront costs. You only pay for the resources you consume, like storage or compute time, making it accessible even for startups with tight budgets.

3. Robust Security

AWS follows best security practices and complies with global standards like GDPR, HIPAA, and SOC 2. It also offers advanced tools to protect your data, such as encryption, multi-factor authentication, and identity management.

4. Wide Range of Services

AWS offers over 200 services covering needs like storage, data analysis, machine learning, application development, and more.

Key AWS Services

Here’s an introduction to some of the most widely used AWS services:

1. Amazon EC2 (Elastic Compute Cloud)

Amazon EC2 is AWS’s flagship compute service. With EC2, you can launch virtual machines, known as instances, within minutes. It’s perfect for hosting applications, websites, or even performing data analysis.

Use Cases:

Hosting web applications.

Running development environments.

Conducting scientific simulations.

2. Amazon S3 (Simple Storage Service)

S3 is AWS’s cloud storage service. It provides a scalable, secure, and cost-effective solution for storing data. It’s also renowned for its 99.999999999% (11 nines) durability.

Use Cases:

Backup storage.

Static website hosting.

Storing big data for analysis.

3. Amazon RDS (Relational Database Service)

RDS simplifies the setup and management of relational databases like MySQL, PostgreSQL, and SQL Server. It allows you to focus on development without worrying about tasks like patching or backups.

Use Cases:

Managing transactional databases.

Building data-driven applications.

4. AWS Lambda

AWS Lambda lets you run code without managing servers. It’s ideal for event-driven applications where you only need to execute code in response to specific actions, like file uploads or HTTP requests.

Use Cases:

Process automation.

Real-time data processing.

Backends for mobile or web apps.

5. Amazon CloudFront

CloudFront is a content delivery network (CDN) service that distributes content, like videos or websites, to end users with low latency and high speed.

Use Cases:

Video streaming.

Speed optimization for website loading.

How to Get Started with AWS

1. Create a Free Account

AWS offers a free tier that allows you to explore many of its services at no cost during your first 12 months. This is perfect for experimenting without worrying about the budget.

2. Familiarize Yourself with the AWS Console

The AWS Management Console is your gateway to all services. Explore the interface, experiment with basic services like S3 and RDS, and try launching EC2 instances.

3. Learn with Documentation and Free Courses

AWS provides a wealth of educational resources, like AWS Skill Builder, where you can learn everything from the basics to advanced topics.

Tips for Beginners

Set a Budget: Use AWS Budgets to avoid unexpected costs.

Start with the Basics: Services like S3, EC2, and RDS are ideal for getting started.

Experiment with Small Projects: Build a simple application or static website to practice what you’ve learned.

Conclusion

AWS is not just a tool—it’s an ecosystem transforming how applications are created, deployed, and scaled. If you’re interested in cloud computing, AWS is an excellent place to start. Take advantage of the free tier, experiment with its services, and gradually master this powerful platform.

I hope this article has been helpful for taking your first steps with AWS! If you have questions or would like me to cover a specific topic, leave me a comment. 🚀

IR-PLAYBOOK-RCEHIGH

Schritte anzeigen

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

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

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

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

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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 - Introduction to AWS: Basics and main services
id: b6ca1e84-076e-4795-a88f-192eccbec460
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-25
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 = "2026-09-25"
        description = "YARA Signature for "
    strings:
        $str = "Introduction to AWS: Basics an" ascii wide
    condition:
        any of them
}

Syntax validiert (0 Fehler)

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Introduction to AWS Basics and main serv")
| 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: "*Introduction to AWS Basics and main serv*"

Syntax validiert (0 Fehler)

CommonSecurityLog
| where Message has "Introduction to AWS Basics and main serv"
| 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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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

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Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen

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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')