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Cloud Security & IoT Hacking

Part 1: Cloud Security

1. Introduction to Cloud Security

Cloud security is the part of cybersecurity career. Cloud security focuses on protecting data, applications, and infrastructure in cloud environments (AWS, Azure, GCP). Major risks include:

- Misconfigurations (Exposed S3 buckets)

- Insecure APIs

- Account hijacking

- Insider threats


2. Cloud Attack Vectors

A. Storage Bucket Exploitation

- AWS S3 Bucket Enumeration :

  bash

     aws s3 ls s3://bucket-name --no-sign-request    

 Tools : S3Scanner  ,  BucketStream


B. Privilege Escalation

- AWS IAM Misconfigurations :

  bash

    aws iam list-users    

    aws iam list-roles    

  

Tools : Pacu , CloudBrute


C. Serverless (Lambda) Attacks

- Injection in Lambda functions

Tools : Lambda-Proxy , AWS CLI


D. Container & Kubernetes Hacking

- Escaping Docker containers :

  bash

  docker run --privileged -it alpine    

  Tools :  kube-hunter ,  Peirates


3. Cloud Security Tools

| Tool      |     Purpose |

|-----      -|      ---------|

|   ScoutSuite   | Multi-cloud auditing |

|    CloudSploit | AWS/GCP/Azure security checks |

|      Terrascan | IaC (Terraform) security scanner |

|     Kubescape | Kubernetes security |


Part 2: IoT Hacking

1. IoT Attack Surface

- Firmware vulnerabilities

- Insecure APIs (MQTT, CoAP)

- Default credentials ( admin:admin )

- Hardware attacks (UART, JTAG)


2. IoT Hacking Methodology

A. Reconnaissance

-Shodan/FoFa Search :

      shodan search "default password"      

- Firmware Extraction :

  bash

      binwalk -e firmware.bin       

B. Exploitation

- Brute-forcing Telnet/SSH :

  bash

      hydra -l admin -P rockyou.txt 192.168.1.1 telnet        

 -MQTT Exploitation :

  bash

  mosquitto_sub -t "#" -h 192.168.1.100     


C. Hardware Hacking

- UART Pin Extraction :

  - Identify TX/RX/GND pins

  - Connect via USB-to-TTL adapter

- JTAG Debugging :

  - Use  OpenOCD ,  UrJTAG


3. IoT Security Tools

|    Tool   |     Purpose |

|------      |       ---------|

|   Firmware Analysis Toolkit (FAT) | Automated firmware analysis |

| RouterSploit   | IoT exploitation framework |

|   Wireshark     | Network protocol analysis |

|  JTAGulator    | Hardware debugging |


Part 3: Defense Strategies

Cloud Security Best Practices

✔ Enable MFA for all cloud accounts  

✔ Use IAM roles instead of root keys  

✔ Encrypt S3 buckets & EBS volumes  

✔ Monitor with AWS GuardDuty/Azure Sentinel  


IoT Security Best Practices

✔ Change default credentials  

✔ Disable unused services (Telnet)  

✔ Implement firmware signing  

✔ Use VLANs to segment IoT devices  


Hands-On Labs

Lab 1: Hacking an AWS S3 Bucket

1. Find open buckets:

   bash

      aws s3 ls s3:// --no-sign-request      

2. Download files:

   bash

   aws s3 cp s3://bucket-name/file.txt      


Lab 2: Exploiting IoT Camera

1. Find target:

   bash

   shodan search "webcam"

   2. Login with admin:admin

3. Access live feed via /video.mjpg


Conclusion

- Cloud security requires configuration auditing  

- IoT hacking combines network + hardware attacks  

- Defense = encryption + segmentation + monitoring


🔹 Next Steps :  

Module 11: Post-Exploitation & Reporting

- Try  AWS CTF challenges (CloudGoat)  

- Explore IoT villages at DEFCON  

- Learn hardware reverse engineering


🚀 Want a step-by-step walkthrough for hacking a smart bulb? Let me know! 


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