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@securelayer7 @Sector443
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CJHackerz/README.md

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WhoAM

Cybersecurity guy who loves to playaround hardware and hexadecimals. I have experince in IoT Security Research.

My InfoSec activities and certifications 💻

I do security talks and hands on workshops for teaching penetration testing at numerous places. Active in null community for past 3 years [null is India's largest open security community.] My profile https://null.community/profile/8808-chirag-jariwala

💀 HackTheBox Profile 💀
Hack The Box

Talks: 🎤

My Certs: 🏆

  • Offensive Security Certified Professional: verify
  • Judge - Global OSINT Search Party CTF: verify
  • OSINT in the 6ix Course: verify

Work Experince

SecureLayer7: It is pune based cybersecurity startup which provides various penetration testing service to international clients around the globe. Founded by Mr. Sandeep Kamble

  • During my time there I handled IoT Security projects and carried out penetration testing
  • Tested various hardware based attacks and debug ports such URAT, SPI, I2C and CAN-BUS
  • Performed RF based attacks such as signal jamming and replay with Software Defined Radio (SDR) by working on USRP B210 and GNU Radio Companion
  • Did firmware security assessment and reverse engineering. Extracted firmware over flash memory chips with SOIC-8, used Binwalk and frameworks like FACT for firmware filesystem analysis.
  • I have good understanding of ARM assembly 32-bit and knows how to write basic exploits and shellcode.
  • Wrote vulnerability reports and communicated with clients for IoT security risk mitigations.

Programming languages and frameworks that I 💓



Media Presence 📰

https://www.huffingtonpost.in/entry/trace-labs-ctf-india-missing-person-cases_in_5f525849c5b6578026cd2b64

Spotify Playing 🎧

CJHackerz Spotify Playing

Popular repositories

  1. Simple mind maps for IoT security attack surfaces and methodologies

    13 3

  2. An example kernel module rootkit to get reverse shell

    C 6 3

  3. A simple jamming attack with GNU randio and gaussian noise source

    Python 5 1

  4. Contains python script to build armv7 based debian container environment for static binary analysis

    Python 3 1

22 contributions in the last year

Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Mon Wed Fri

Contribution activity

October 2021

CJHackerz has no activity yet for this period.

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