COURSE

System Binary Proxy Execution: Rundll32

Course

In the course, you will learn how a malicious user can obfuscate some of their payload actions through downloaded DLL files using the built-in rundll32.exe. Using rundll32, an attacker can make their activity look like a normal Windows system binary process being executed under rundll32.
Full access included with 
Insider Pro
 and 
Teams

1

H

35

M
Time

intermediate

i
Designed for learners who have no prior work experience in IT or Cybersecurity, but are interested in starting a career in this exciting field.
Designed for learners with prior cybersecurity work experience who are interested in advancing their career or expanding their skillset.
Designed for learners with a solid grasp of foundational IT and cybersecurity concepts who are interested in pursuing an entry-level security role.
Experience Level

2

i

Earn qualifying credits for certification renewal with completion certificates provided for submission.
CEU's

Enrollees

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About this course

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Skills you'll gain

Course Outline

1
What is Technique T1218.011?
1
H
20
Min

Attack, Detect and Mitigate

Free

20m

Raspberry Robin Lab

Free

0m

Course Description

This course will cover the technique:

> [T1218.011](https://attack.mitre.org/techniques/T1218/011/): System Binary Proxy Execution: Rundll32. Course 2 and course 3 happen simultaneously to each other, where msiexec is responsible for installing the intended payload, and rundll32 is responsible for downloading the applicable files required to establish the C2 channel. T1218.011 focuses on dll files, a common component within the Windows operating system. A common abuse of Dll files is where attackers will use them to obfuscate their download traffic to make it seem like Microsoft Windows is downloading standard supporting application files.

>In this course, we will focus on detecting this activity and some best practices to determine if it is a legitimate rundll32 or tied to a malicious execution like Raspberry Robin.

Learn how to detect and mitigate these techniques to protect your organization from this type of attack. Apply what you learn and get the hands-on skills you need in Cybrary's MITRE ATT&CK Framework courses aligned to tactics and techniques used by threat actors.

Train Your Team

Cybrary’s expert-led cybersecurity courses help your team remediate skill gaps and get up-to-date on certifications. Utilize Cybrary to stay ahead of emerging threats and provide team members with clarity on how to learn, grow, and advance their careers within your organization.

Included in a Path

Instructors

Matthew Mullins
Security Researcher - Adversary Emulation
Read Full Bio
Owen Dubiel
Security Engineer
Read Full Bio
Learn

Learn core concepts and get hands-on with key skills.

Practice

Exercise your problem-solving and creative thinking skills with security-centric puzzles

Prove

Assess your knowledge and skills to identify areas for improvement and measure your growth

Get Hands-on Learning

Put your skills to the test in virtual labs, challenges, and simulated environments.

Measure Your Progress

Track your skills development from lesson to lesson using the Cybrary Skills Tracker.

Connect with the Community

Connect with peers and mentors through our supportive community of cybersecurity professionals.

Success from Our Learners

"Cybrary really helped me get up to speed and acquire a baseline level of technical knowledge. It offers a far more comprehensive approach than just learning from a book. It actually shows you how to apply cybersecurity processes in a hands-on way"

Don Gates

Principal Systems Engineer/SAIC

"Cybrary’s SOC Analyst career path was the difference maker, and was instrumental in me landing my new job. I was able to show the employer that I had the right knowledge and the hands-on skills to execute the role."

Cory

Cybersecurity analyst/

"I was able to earn my CISSP certification within 60 days of signing up for Cybrary Insider Pro and got hired as a Security Analyst conducting security assessments and penetration testing within 120 days. This certainly wouldn’t have been possible without the support of the Cybrary mentor community."

Mike

Security Engineer and Pentester/

"Cybrary really helped me get up to speed and acquire a baseline level of technical knowledge. It offers a far more comprehensive approach than just learning from a book. It actually shows you how to apply cybersecurity processes in a hands-on way"

Don Gates

Principal Systems Engineer/SAIC

"Cybrary’s SOC Analyst career path was the difference maker, and was instrumental in me landing my new job. I was able to show the employer that I had the right knowledge and the hands-on skills to execute the role."

Cory

Cybersecurity analyst/

"I was able to earn my CISSP certification within 60 days of signing up for Cybrary Insider Pro and got hired as a Security Analyst conducting security assessments and penetration testing within 120 days. This certainly wouldn’t have been possible without the support of the Cybrary mentor community."

Mike

Security Engineer and Pentester/

"Becoming a Cybrary Insider Pro was a total game changer. Cybrary was instrumental in helping me break into cybersecurity, despite having no prior IT experience or security-related degree. Their career paths gave me clear direction, the instructors had real-world experience, and the virtual labs let me gain hands-on skills I could confidently put on my resume and speak to in interviews."

Cassandra

Information Security Analyst/Cisco Systems

"I was able to earn both my Security+ and CySA+ in two months. I give all the credit to Cybrary. I’m also proud to announce I recently accepted a job as a Cyber Systems Engineer at BDO... I always try to debunk the idea that you can't get a job without experience or a degree."

Casey

Cyber Systems Engineer/BDO

"Cybrary has helped me improve my hands-on skills and pass my toughest certification exams, enabling me to achieve 13 advanced certifications and successfully launch my own business. I love the practice tests for certification exams, especially, and appreciate the wide-ranging training options that let me find the best fit for my goals"

Angel

Founder,/ IntellChromatics.

System Binary Proxy Execution: Rundll32

In the course, you will learn how a malicious user can obfuscate some of their payload actions through downloaded DLL files using the built-in rundll32.exe. Using rundll32, an attacker can make their activity look like a normal Windows system binary process being executed under rundll32.
1
35
M
Time
intermediate
difficulty
2
ceu/cpe

Course Content

Course Description

This course will cover the technique:

> [T1218.011](https://attack.mitre.org/techniques/T1218/011/): System Binary Proxy Execution: Rundll32. Course 2 and course 3 happen simultaneously to each other, where msiexec is responsible for installing the intended payload, and rundll32 is responsible for downloading the applicable files required to establish the C2 channel. T1218.011 focuses on dll files, a common component within the Windows operating system. A common abuse of Dll files is where attackers will use them to obfuscate their download traffic to make it seem like Microsoft Windows is downloading standard supporting application files.

>In this course, we will focus on detecting this activity and some best practices to determine if it is a legitimate rundll32 or tied to a malicious execution like Raspberry Robin.

Learn how to detect and mitigate these techniques to protect your organization from this type of attack. Apply what you learn and get the hands-on skills you need in Cybrary's MITRE ATT&CK Framework courses aligned to tactics and techniques used by threat actors.

This course is part of a Career Path:
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Instructed by

Provider
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Certification Body
Certificate of Completion

Complete this entire course to earn a System Binary Proxy Execution: Rundll32 Certificate of Completion