CrowdStrike's 2025 Global Threat Report: Insights On Voice-Based Attacks And Malware-Free Persistence

CrowdStrike’s 2025 Global Threat Report highlights the increasing effectiveness of voice-based attacks and malware-free persistence in adversary simulations. These strategies are becoming critical in penetrating global enterprises and governments, especially as traditional attack vectors are increasingly blocked by advanced security solutions.

You Should Know:

1. Voice-Based Attacks (Vishing):

Understanding the Target: Before initiating a voice-based attack, gather as much information as possible about the target. This can include data from stealer dumps, LinkedIn profiles, and recent conference attendance.
Execution: Use the gathered information to craft a convincing narrative. For example, impersonate a colleague or a trusted entity to gain the target’s confidence.
Example Command: Use tools like `Social-Engineer Toolkit (SET)` to automate the process of creating phishing campaigns.
```
sudo setoolkit
```
Follow the prompts to select the type of attack, such as spear-phishing or credential harvesting.

2. Malware-Free Persistence:

Off-the-Shelf Software: Utilize legitimate software that is already installed on the target system to maintain access. This could include using scheduled tasks, registry modifications, or leveraging built-in tools like PowerShell.

Example Command: Create a scheduled task to run a script at startup.

schtasks /create /tn "MyTask" /tr "C:\path\to\script.bat" /sc onstart /ru System

PowerShell Persistence: Use PowerShell to add a script to the Windows Registry.

New-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name "MyScript" -Value "C:\path\to\script.ps1"

3. Defensive Measures:

Monitoring and Detection: Implement monitoring tools to detect unusual activity, such as unexpected scheduled tasks or registry changes.
Example Command: Use `Sysinternals Autoruns` to monitor startup programs.
```
autorunsc.exe -ct
```
Endpoint Detection and Response (EDR): Deploy EDR solutions to detect and respond to suspicious activities in real-time.

What Undercode Say:

The CrowdStrike report underscores the importance of understanding and mitigating emerging threats like voice-based attacks and malware-free persistence. As attackers evolve their tactics, defenders must also adapt by leveraging advanced tools and techniques to protect their systems. The use of legitimate software for malicious purposes highlights the need for robust monitoring and detection mechanisms. By staying informed and proactive, organizations can better defend against these sophisticated threats.

Expected Output:

Voice-Based Attacks: Successfully executed vishing campaigns can lead to initial access, which can then be leveraged for further exploitation.
Malware-Free Persistence: Maintaining access without traditional malware reduces the risk of detection and increases the likelihood of long-term compromise.
Defensive Measures: Effective monitoring and detection can significantly reduce the risk of successful attacks.