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| Section | Weight | Objectives |
|---|---|---|
| Incident Response Techniques | 30% | - Post-incident analysis and improvement actions - Cisco security solutions for detection and prevention - Correlating host and network activity data - Interpreting alerts from SIEM, IDS/IPS, syslog - Threat intelligence interpretation: IOCs, IOAs, actor profiling - Attack vector analysis and mitigation recommendations - Response to zero-day exploits and vulnerabilities |
| Fundamentals | 20% | - Root cause analysis reporting components - YARA rules for malware identification and classification - Network infrastructure device forensics - Evidence collection in virtualized environments - Antiforensic tactics, techniques, and procedures - Encoding and obfuscation techniques |
| Forensics Techniques | 20% | - Forensic tools: Volatility, Sysinternals, SIFT, TCPdump - MITRE ATT&CK framework for fileless malware analysis - Script analysis (Python, PowerShell, Bash) for log processing - Host-based evidence location and collection - Identifying Indicators of Compromise (IOC) from tools output |
| Malware Analysis | 15% | - Static and dynamic malware analysis - Malware family and campaign identification - Malware classification and behavior analysis - Reverse engineering principles |
| Forensics Processes | 15% | - Data acquisition: memory, disk, network - Legal and compliance considerations - Evidence handling and chain of custody - Antiforensic techniques: debugging, geolocation, obfuscation |
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質問 # 130
A website administrator has an output of an FTP session that runs nightly to download and unzip files to a local staging server. The download includes thousands of files, and the manual process used to find how many files failed to download is time-consuming. The administrator is working on a PowerShell script that will parse a log file and summarize how many files were successfully downloaded versus ones that failed. Which script will read the contents of the file one line at a time and return a collection of objects?
正解：D
解説：
The PowerShell cmdlet Get-Content reads content line-by-line from a file and is commonly used for processing logs or large text files. When combined with Select-String, it can search for specific patterns (such as "ERROR" or "SUCCESS") within those lines and return a collection of matching objects, including metadata like line number and line content.
Option D uses:
* Get-Content -Path: Correct syntax to read the log file from a UNC path.
* Select-String "ERROR", "SUCCESS": Searches for these terms in each line and returns matching lines as structured output.
The other options (A, B, C) use non-existent or incorrect cmdlets/parameters such as Get-Content-Folder, - ifmatch, -Directory, which are invalid in PowerShell.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on "Automation and Scripting Tools," which discusses PowerShell usage for forensic log analysis and pattern searching using cmdlets like Get-Content and Select-String.
質問 # 131
What is the steganography anti-forensics technique?
正解：B
質問 # 132
An organization uses a Windows 7 workstation for access tracking in one of their physical data centers on which a guard documents entrance/exit activities of all personnel. A server shut down unexpectedly in this data center, and a security specialist is analyzing the case. Initial checks show that the previous two days of entrance/exit logs are missing, and the guard is confident that the logs were entered on the workstation. Where should the security specialist look next to continue investigating this case?
正解：C
解説：
The correct registry path to investigate user profiles and login details is:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\ProfileList This location stores information about each user profile on the machine, including login activity and the LastWrite time for forensic tracking.
質問 # 133
Refer to the exhibit.
Which type of code created the snippet?
正解：D
質問 # 134
Refer to the exhibit.
Which registry key is suspected of being used by an attacker to establish persistence?
正解：A
解説：
The Threat Grid output shows the Shell value under HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon being changed so that an executable under the user's roaming profile runs with explorer.exe. The Winlogon Shell value is processed during user logon, making unauthorized modification a recognized persistence mechanism. MITRE ATT & CK documents adversaries setting the Winlogon Shell value to explorer.exe plus a malware path so the payload survives reboot or logoff. The ZoneMap and proxy- related entries affect Internet security configuration rather than automatic execution. The displayed CurrentVersion\Autorun path is not the standard CurrentVersion\Run autostart key, so it is not the best- supported selection. This question maps to CBRFIR Forensics Techniques objective 2.3: evaluate malware- analysis and registry output to identify a host IOC and determine the behavior it represents. MITRE ATT & CK-Winlogon persistence
質問 # 135
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