If successful, the attacker’s reverse_shell.exe runs as .
Scenario A — Replaceable service binary
Also:
Yes, when configured correctly. NSSM remains a powerful, legitimate tool. The vulnerability is a flaw in NSSM’s service management logic itself; it is a deployment‑time permission mistake. If you install NSSM securely (i.e., place the binary in a protected directory, set correct ACLs, and run services under appropriate accounts), you can continue using it safely.
To secure NSSM against updated privilege escalation methods: nssm224 privilege escalation updated
Linux Privilege Escalation Guide (Updated for 2024) - Payatu
– The vulnerable service (e.g., Apache CouchDB, IBM Robotic Process Automation, DaUM) either stops unexpectedly, is stopped by the attacker, or the system reboots. When the service attempts to start again, Windows launches the malicious file with the service’s elevated privileges – typically SYSTEM or Administrator rights. If successful, the attacker’s reverse_shell
sc config nssm_managed_service binPath= "C:\temp\reverse_shell.exe"
– Any local user who can log into the system, including guests, temporary employees, or users who have been compromised through phishing, can attempt the attack. No credentials, no special conditions, and no user interaction are required. The vulnerability is a flaw in NSSM’s service