In the ever-evolving landscape of cyber threats, remote access trojans (RATs) remain one of the most dangerous tools in a hacker’s arsenal. NjRAT ACS Version 2024 has emerged as a particularly sophisticated variant, building upon the infamous NjRAT malware family with advanced capabilities.
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What is NjRAT ACS Version 2024?
NjRAT (also known as Bladabindi) is a long-standing remote access trojan that first appeared in 2013. The ACS Version 2024 represents a significant evolution with:
- Enhanced anti-detection mechanisms
- Advanced command-and-control (C2) infrastructure
- New exploitation capabilities
- Improved persistence techniques
Technical Features and Capabilities
1. Advanced Infection Mechanisms
- Multiple delivery vectors: Phishing emails, malicious documents, fake software installers
- Exploit kit integration: Leverages known vulnerabilities (e.g., Office, browser flaws)
- Living-off-the-land techniques: Uses legitimate system tools (PowerShell, WMI) for execution
2. Stealth and Evasion
- Polymorphic code: Changes signature with each infection
- Process hollowing: Injects into legitimate processes (explorer.exe, svchost.exe)
- Anti-sandbox checks: Detects virtual environments
- Rootkit functionality: Hooks system calls to conceal presence
3. Remote Control Features
- Real-time desktop viewing/control
- File system navigation (upload/download/execute)
- Process management (start/kill applications)
- Registry editing
- Command shell access
4. Surveillance Modules
- Keylogging (records all keystrokes)
- Screen capture (configurable intervals)
- Webcam/microphone capture
- Clipboard monitoring (targets crypto addresses)
5. Data Theft Capabilities
- Browser credential harvesting (Chrome, Firefox, Edge)
- Password manager extraction
- Cryptocurrency wallet targeting
- Document collection (focus on financial/ID documents)
6. Network Propagation
- LAN/WAN spreading mechanisms
- USB auto-infection
- Share enumeration and exploitation
7. Persistence Techniques
- Registry Run keys
- Scheduled tasks
- Service creation
- Startup folder manipulation
- Boot sector infection (advanced variants)