McAfee® Host Intrusion Prevention 6.1 Product Guide

Writing Custom Signatures

 

Windows Custom Signatures

Advanced Details

Some or all of the following parameters appear in the Advanced Details tab of security events for the class Services. The values of these parameters can help you understand why a signature is triggered.

GUI Name

Explanation

Possible Values

 

 

 

display names

Name of the Windows service

 

 

as it is displayed in the Services

 

 

Manager control panel.

 

 

 

 

services

System name of the Windows

 

 

service (shown in

 

 

HKLM\CurrentControlSet\Servic

 

 

es\); this may be different from

 

 

the name displayed in the

 

 

Services Manager control panel.

 

 

 

 

params

Only applicable for starting a

 

 

service: parameters passed to

 

 

the service upon activation.

 

 

 

 

old startup

Only applicable for creating or

Boot, System, Automatic, Manual,

 

changing the startup mode of a

Disabled

 

service: indicates the startup

 

 

mode before it was changed or

 

 

attempted to be changed.

 

 

 

 

new startup

Only applicable for changing the

Boot, System, Automatic, Manual,

 

startup mode of a service:

Disabled

 

indicates the startup mode that a

 

 

service has after it was changed,

 

 

or that it would have if the

 

 

change went through.

 

 

 

 

logon

Only applicable for changes in

 

 

the logon mode of a service:

 

 

logon information (system or

 

 

user account)used by the

 

 

service.

 

 

 

 

The following rule would prevent deactivation of the Alerter service.

Rule {

Class Services Id 4001 level 4

Service { Include “Alerter” } time { Include “*” } application { Include “*”} user_name { Include “*” } directives -c -d service:stop

}

The various sections of this rule have the following meaning:

„Class Services: indicates that this rule relates to file operations class.

„Id 4001: Assigns the ID 4001 to this rule. If the custom signature had multiple rules, every one of these rules would need to use the same ID.

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McAfee 6.1 manual GUI Name Explanation Possible Values