Android Malware Reverse Engineer

NSS; San Jose (CA); Hybrid; USD 140,000 - 200,000; Full time

Benefits offered by this job

Onsite 3 days/week

Hybrid work model

Job summary

NSS is seeking an Android Malware Reverse Engineer to support a well known client. The role requires on-site presence three days a week with two days remote, at locations including San Jose, CA; Austin, TX; or Bothell, WA.

You will conduct reverse engineering, static and dynamic analysis, decompilation, and code reviews to identify malware families, develop signatures, and support investigations. You will write reports for non-technical audiences and help improve detection pipelines.

Qualifications

• Hands-on experience analyzing, unpacking, reverse engineering malicious apps or SDKs.
• Proficiency with static and dynamic analysis techniques.
• Experience with mobile malware analysis and APK review.
• Ability to write complex reports for non-technical audiences.
• Knowledge of Android fundamentals and app lifecycle concepts.
• Experience developing or understanding mobile malware detection signatures (Yara, etc.).

Responsibilities

• Conduct reverse engineering, decompilation, and malware assessments at scale.
• Develop static and dynamic signatures for mobile binaries and executables.
• Review peer reports and assist investigations.
• Identify weaknesses in detections and automation pipelines and propose improvements.

Skills

Reverse engineering

Static analysis

Dynamic analysis

APK analysis

Jadx

Ghidra

Frida

IDA Pro

Burp Suite

Java

Kotlin

JavaScript

Flutter

ELF

SQL

Education

Bachelor's degree in CS/CE or related

Tools

Jadx

Ghidra

Frida

IDA Pro

Burp

Job description

NSS is currently hiring for an Android Malware Reverse Engineer to support a well known client. This individual is required to be onsite 3 days a week with 2 days remote, in their respective locations including Austin, Texas, Bothell, WA, or San Jose, CA.

The Android Malware Reverse Engineers will conduct reverse engineering, security assessments, and code reviews. You will conduct and assist with complex decompilation, unpacking, code review and malicious mobile software reviews. The goal of the work is to identify families of malware and act on apps at scale. You will be responsible for developing static and dynamic signatures for mobile code, binaries, and executable code leading to the detection of a variety of threat types including malware, potentially unwanted programs (PUPs) and advanced persistent threats. Additionally, you will identify weaknesses in detections and automations and make recommendations for improvements in the detection process and automation pipeline. You are required to write complex reports for consumption of non-technical audiences, review peer reports and assist with investigations.

Requirements:

• Hands on Experience with the following:
  • Analyzing, unpacking, and reverse engineering code of malicious applications or SDKs.
  • Static and Dynamic Analysis Techniques
  • Reverse Engineering tools such as Jadx, Ghidra, Frida, IDA Pro, Burp, to perform binary and APK analysis
  • Java, Kotlin, JavaScript, Flutter, and other mobile software languages
  • ELF (Native Binaries) reverse engineering
  • Query languages such as SQL
• Understanding of the following topics
  • Android Fundamentals such as Android activity lifecycles, common Android API usage, AOSP, and how an android application is created.
  • Java and/or Kotlin Programing Language
  • Techniques utilized by malicious software to harm the user’s device or their data
  • Mobile App store policies (Ads, PHAs, Developer, etc.)
  • Ability to read, comprehend and analyze source code
• Additional
  • Development of signatures (Yara, etc.)
  • Research on threats such as APT using Open-Source Intelligence (Virus Total, Web, ExploitDB, MITRE, etc.)
  • In depth knowledge of security engineering and analysis topics, computer and network security, cryptography, authentication security, rooting, packing, network protocols and interception

Nice to Have:

• Experience with Vulnerability Analysis or security code review
• Android Software Development Experience
• Background / Familiarity with Google Ads or Content moderation
• Participation in a Capture the Flag (CTF) for Mobile software
• Pentesting, Blue Team, and/or Red Team experience
• Professional Experience and Education

Required:

• None

Preferred:

• Associates/Bachelor’s Degree/master’s in computer science, computer engineering, CS, or information systems, or related discipline.
• 3-5 years of hands on Android and reverse engineering