Malicious Process Detection: User Defined Malware Running (Mac OS X)

critical Nessus Plugin ID 91224


Nessus detected potentially unwanted processes on the remote host.


The hash of one or more running processes on the remote Mac OS X host matches one of the signatures provided using the 'Provide your own list of known bad hashes' preference (found under the 'Hash and Whitelist Files' section) in the scan policy.

Verify that the remote processes are legitimate and authorized in your environment.


Uninstall the remote software if it does not match your security policy, and investigate your network for further signs of a breach.

Plugin Details

Severity: Critical

ID: 91224

File Name: macosx_user_md5s.nbin

Version: 1.57

Type: local

Agent: unix

Family: Backdoors

Published: 5/18/2016

Updated: 2/21/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C


Risk Factor: Critical

Base Score: 10

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Vulnerability Information

Required KB Items: malware/macosx/custom