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Exam Review

Key Facts: PMRP Exam

5 days

Analysis Window

TCM Security

2 days

Report Submission Window

TCM Security

$499

Exam Fee

TCM Security

1 free

Retake Included

TCM Security

0 MCQ

Multiple-Choice Questions

TCM Security (fully practical exam)

12 months

Course Access Included

TCM Security

The PMRP is TCM Security's practical malware analysis certification, formerly known as PJMR (Practical Junior Malware Researcher). Candidates get 5 days in a pre-built lab environment to analyze malware samples using static analysis (PEStudio, FLOSS, Ghidra), dynamic analysis (Procmon, Wireshark, Any.Run), and reverse engineering (x64dbg), then 2 additional days to write a professional report and submit YARA detection rules. The $499 exam fee includes 12 months of Practical Malware Analysis & Triage course access and one free retake. There are no multiple-choice questions — this is a fully practical assessment.

Sample PMRP Practice Questions

Try these sample questions to review concepts for the PMRP exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the significance of the 'MZ' magic bytes (0x4D5A) at offset 0 of a Windows executable file?
A.They identify the file as a DOS/Windows executable (DOS header signature)
B.They mark the beginning of the PE optional header
C.They indicate the file is packed with UPX
D.They mark the start of the .text code section
Explanation: The 'MZ' bytes (0x4D5A) form the e_magic field of the IMAGE_DOS_HEADER and identify the file as a DOS-compatible executable. The letters stand for Mark Zbikowski, an early MS-DOS developer. Every valid Windows PE file begins with this signature, making it the first check in malware triage.
2A malware analyst runs the 'strings' utility on a suspicious binary and observes the string 'This program cannot be run in DOS mode'. What does this indicate?
A.The binary contains the standard DOS stub, consistent with a normal PE file
B.The binary is corrupted and cannot be executed
C.The binary is a 16-bit DOS application
D.The binary has been packed and all strings are encrypted
Explanation: The string 'This program cannot be run in DOS mode' is the message printed by the DOS stub—a tiny program embedded at the beginning of every standard PE file. It runs if the executable is launched under a pure DOS environment. Its presence in strings output is normal and does not indicate malice or packing.
3Which PE file section typically contains the compiled machine code (executable instructions) for a Windows binary?
A..rdata
B..data
C..text
D..rsrc
Explanation: The .text section holds the compiled executable code (CPU instructions) of a PE file. This is the section that is mapped with execute permissions. Malware analysts focus on .text for disassembly and identifying suspicious code patterns.
4A malware sample's PE Import Address Table (IAT) references VirtualAlloc, WriteProcessMemory, and CreateRemoteThread from kernel32.dll. What behavior does this combination most strongly suggest?
A.Process injection — allocating memory in a remote process and writing/executing shellcode
B.File system enumeration and data exfiltration
C.Keylogging via Windows message hooks
D.Registry persistence via Run key modification
Explanation: VirtualAlloc allocates memory, WriteProcessMemory copies data into another process's address space, and CreateRemoteThread launches a new thread in the target process. Together these three API calls form the classic process injection triad, allowing malware to inject and execute shellcode or a DLL inside a legitimate host process.
5Using PEStudio, an analyst observes that a PE file's .text section has a calculated entropy value of 7.8. What is the most likely interpretation?
A.The section is likely packed or encrypted, hiding the real payload
B.The code is heavily commented and human-readable
C.The section is a standard resource section with PNG images
D.Entropy of 7.8 is typical for unobfuscated compiled C code
Explanation: Shannon entropy is measured on a scale of 0 to 8. Random or compressed/encrypted data approaches 8.0, while typical compiled code sits around 5.0–6.5. An entropy of 7.8 in the .text section strongly suggests the code is packed, encrypted, or otherwise obfuscated, hiding the real executable content from static inspection.
6What is the purpose of the FLOSS (FireEye Labs Obfuscated String Solver) tool in malware static analysis?
A.To extract obfuscated and stack-constructed strings that the standard 'strings' utility misses
B.To decode Base64 strings embedded in PE resources
C.To calculate the Shannon entropy of each PE section
D.To decompile x86 assembly into C pseudocode
Explanation: FLOSS uses emulation-assisted analysis to identify and decode strings that malware constructs dynamically on the stack or heap—patterns that the standard 'strings' command cannot see. It identifies common obfuscation schemes (XOR, simple arithmetic, stack push sequences) and presents the decoded output alongside ordinary ASCII/Unicode strings.
7In a malware analysis lab, why is it critical to take a VM snapshot BEFORE detonating a malware sample?
A.To enable rollback to a clean state after the sample modifies the system
B.Snapshots automatically capture network traffic for Wireshark analysis
C.Snapshots compress the VM disk to save space for large samples
D.To prevent the malware from detecting virtualization artifacts
Explanation: Taking a snapshot before detonation preserves a clean baseline of the analysis VM. After dynamic analysis, the analyst can revert the VM to this snapshot to cleanly analyze the next sample without leftover artifacts from the previous run. Without snapshots, re-imaging the VM would be required, wasting time and risking cross-contamination.
8An analyst uses Process Monitor (Procmon) during dynamic analysis and observes a process creating the registry key HKCU\Software\Microsoft\Windows\CurrentVersion\Run with a value pointing to the malware executable. What technique is this?
A.Run key registry persistence (T1547.001)
B.DLL hijacking persistence
C.COM object hijacking (T1546.015)
D.Scheduled task persistence (T1053.005)
Explanation: Writing a value to the CurrentVersion\Run key causes Windows to execute the specified program each time the current user logs in. This is MITRE ATT&CK technique T1547.001 (Boot or Logon Autostart Execution: Registry Run Keys). Procmon's registry event filters make this highly visible during dynamic analysis.
9During dynamic analysis, a malware sample makes a DNS query to 'update.microsofts-cdn.net' followed by an HTTP POST to the resolved IP. What should the analyst do first to safely capture these network indicators?
A.Use FakeNet-NG or INetSim to simulate network services and capture traffic without real internet connectivity
B.Connect the analysis VM to the live internet and allow all outbound traffic
C.Block all network traffic at the hypervisor level so no connections occur
D.Disable Windows Defender Firewall on the analysis VM
Explanation: FakeNet-NG and INetSim are network simulation tools that answer DNS queries, HTTP requests, and other protocols locally, preventing actual command-and-control communication while allowing the malware to proceed with its network routines. This reveals C2 domains, URIs, and POST data safely without exposing the lab to the internet.
10What does the Wireshark display filter 'http.request.method == "POST"' help a malware analyst identify during dynamic analysis?
A.HTTP POST requests that may contain exfiltrated data or C2 check-ins
B.All TCP SYN packets from the malware process
C.DNS responses containing malicious domain resolutions
D.TLS handshake ClientHello packets used for encrypted C2
Explanation: HTTP POST requests are frequently used by malware to send stolen data (keystrokes, credentials, screenshots) or check-in information to a C2 server. Filtering on POST requests in Wireshark isolates this traffic from background noise, revealing the URI, headers, and request body that constitute network indicators of compromise.

About the PMRP Exam

The PMRP (Practical Malware Research Professional) is TCM Security's advanced hands-on malware analysis certification. Unlike multiple-choice certifications, the PMRP places candidates in a real analysis lab environment where they must triage, statically analyze, dynamically analyze, and reverse engineer malware samples — then produce a professional threat report and YARA detection rules. This practice exam tests the theoretical knowledge foundation needed: PE file internals, entropy analysis, behavioral indicators, reverse engineering concepts, YARA syntax, and threat intelligence reporting.

Exam sponsor: TCM Security. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Performance-based assessment

Time Limit

5 days analysis + 2 days reporting

Passing Score

Graded report + detection rules (no numeric threshold published)

Exam / Certification Fees

$499

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

Static Analysis

PE file structure (MZ header, COFF, optional header, sections, IAT/EAT, overlays), entropy measurement, string extraction (strings/FLOSS), packer detection (DIE, PEStudio), and compiler identification

25%

Dynamic Analysis

Malware lab safety (VM snapshots, network isolation), sandbox detonation (Any.Run, Cuckoo), Procmon for host behavioral IOCs, Wireshark and FakeNet-NG for network indicator capture

20%

Reverse Engineering

Ghidra disassembly and decompilation, x64dbg debugging and breakpoints, x86/x64 assembly basics, anti-analysis bypass (anti-debugging, VM detection, sandbox evasion), manual unpacking

15%

YARA Rules & Detection

YARA rule structure (meta/strings/condition), string modifiers (ascii, wide, nocase, fullword, xor, base64), PE module attributes (pe.imports, pe.number_of_sections), rule tuning and false positive reduction

15%

Malware Classification & Threat Intel Reporting

Malware family taxonomy (RAT, ransomware, stealer, dropper, loader, worm, bootkit), IOC documentation, MITRE ATT&CK TTP mapping, professional report structure, and adversary emulation concepts

Preparing for the PMRP Exam

What You Need to Know

  • Passing score: Graded report + detection rules (no numeric threshold published)
  • Assessment: Performance-based assessment
  • Time limit: 5 days analysis + 2 days reporting
  • Exam / certification fees: $499 Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

PMRP: Suggested Study Strategy

1Build a dedicated malware analysis VM (FlareVM or REMnux) with snapshots — practice the snapshot-revert workflow before the exam
2Master PEStudio for rapid static triage: check entropy, imports, strings, and resources as your first step on every sample
3Learn to read PE file structure manually — understand MZ header, e_lfanew, NT headers, and section tables
4Practice YARA rule writing on known malware families (Emotet, AsyncRAT) and test rules against benign files to reduce false positives
5Memorize the most common malware-associated Windows API calls: CreateRemoteThread, VirtualAllocEx, WriteProcessMemory (injection), CryptEncrypt (ransomware), SetWindowsHookEx (keylogger)
6Learn Ghidra's function call graph and cross-reference features — they accelerate navigation dramatically versus linear reading
7Practice MITRE ATT&CK mapping by labeling every malware behavior you observe with the corresponding T-code
8Write at least two full practice reports before the exam — report quality is a significant component of the PMRP grade
9Use Any.Run's interactive sandbox for hands-on dynamic analysis practice with real-world malware samples in a safe environment

Frequently Asked Questions

What is the PMRP exam format?

The PMRP is a purely practical exam — there are no multiple-choice questions. Candidates receive access to a pre-built malware analysis lab environment via VPN and have 5 full days (120 hours) to analyze malware samples. This includes static analysis, dynamic analysis, and reverse engineering of samples. After the analysis window, candidates have 2 additional days to write and submit a professional malware analysis report along with YARA detection rules.

What tools do I need for the PMRP exam?

The PMRP provides a pre-built analysis lab — candidates only need the exam VPN file and a web browser to access it. All analysis tools are pre-installed in the lab environment. The course content prepares you to use PEStudio, FLOSS, Detect-It-Easy, Ghidra, x64dbg, Procmon, Wireshark, FakeNet-NG, and Any.Run. No paid commercial tools are required.

How does the PMRP differ from the PJMR?

They are the same certification — TCM Security renamed the Practical Junior Malware Researcher (PJMR) to Practical Malware Research Professional (PMRP) in November 2024 to better align with job postings and hiring manager expectations. The exam content and format did not change with the renaming.

What should my PMRP report include?

A professional PMRP report should include: an executive summary (non-technical overview), technical analysis section (static analysis findings, dynamic behavioral IOCs, reverse engineering results), a malware family classification, MITRE ATT&CK TTP mapping, a comprehensive IOC table (file hashes, IP addresses, domains, registry keys, mutex names, file paths), YARA detection rules, and an appendix with supporting tool output. The report must be clear, accurate, and evidence-based.

How should I prepare for the PMRP?

Complete TCM Security's Practical Malware Analysis & Triage course (included with the exam voucher). Practice analyzing malware samples from public repositories (MalwareBazaar, VirusTotal) in your own isolated VM. Build proficiency with PEStudio, FLOSS, Ghidra, and x64dbg. Practice writing YARA rules and malware analysis reports. Understanding PE file internals, Windows APIs used by malware, and MITRE ATT&CK technique IDs are the most exam-relevant knowledge areas.

Is this practice exam like the real PMRP?

No — this is a theoretical multiple-choice practice exam covering the knowledge foundation needed for the PMRP. The real PMRP requires hands-on malware analysis skills: actually using Ghidra, running samples in sandboxes, capturing Procmon/Wireshark output, and writing a professional report. Use these practice questions to verify your conceptual understanding, then apply it in a practical lab environment before sitting the exam.