Maintaining access is a very important phase of penetration testing, unfortunately, it is one that is often overlooked. Most penetration testers get carried away whenever administrative access is obtained, so if the system is later patched, then they no longer have access to it.

Persistent backdoors help us access a system we have successfully compromised in the past. It is important to note that they may be out of scope during a penetration test; however, being familiar with them is of paramount importance. Let us look at a few persistent backdoors now!

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Certified Pentesting
Professional

OSCP
course starting at
$800 USD

Take Penetration Testing with Kali Linux to gain invaluable penetration testing skills and earn your OSCP.

  • Self-paced, online course
  • Includes certification exam fee
  • Access innovative virtual labs
  • Hands-on experience
  • Become an OSCP

Certified Pentesting
Expert

OSCE
course starting at
$1200 USD

Take Cracking the Perimeter to take your penetration testing skills to expert levels and earn your OSCE.

  • Self-paced, online course
  • Includes certification exam fee
  • Access innovative virtual labs
  • Hands-on experience
  • Become an OSCE

 

Certified Pentesting
Web Expert

OSWE
course starting at
$1400 USD

Take Advanced Web Attacks and Exploitation, to deep dive into web apps to earn your OSWE.

  • Self-paced, online course
  • Includes certification exam fee
  • Access innovative virtual labs
  • Hands-on experience
  • Become an OSWE

Certified Pentesting
Wireless Professional

OSWP
course starting at
$450 USD

Take Offensive Security Wireless Attacks to acquire knowledge about Wi-Fi attacks and earn your OSWP.

  • Self-paced, online course
  • Includes certification exam fee
  • Access innovative virtual labs
  • Hands-on experience
  • Become an OSWP

Certified Exploitation
Expert

OSEE
course starting at
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Take Advanced Windows Exploitation to develop exploits for Windows systems and earn your OSEE.

  • Live training course
  • Includes certification exam fee
  • Maximum instructor interaction
  • Highly challenging
  • Become an OSEE