Potential Active Directory Enumeration Using AD Module - PsScript

Severity: medium
Author: frack113, Nasreddine Bencherchali
Source: upstream

Detects usage of the "Import-Module" cmdlet to load the "Microsoft.ActiveDirectory.Management.dl" DLL. Which is often used by attackers to perform AD enumeration.

Event coverage

Provider	Event ID	Title
PowerShell	4104	Creating Scriptblock text (MessageNumber of MessageTotal).

Stages and Predicates

Stage 1: `1 of selection_generic`

ScriptBlockText|contains: 'Import-Module '
ScriptBlockText|contains: 'Microsoft.ActiveDirectory.Management.dll'

Stage 2: `1 of selection_specific`

ScriptBlockText|contains: 'ipmo Microsoft.ActiveDirectory.Management.dll'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

Field	Kind	Values
`ScriptBlockText`	match	`Import-Module` `Microsoft.ActiveDirectory.Management.dll` `ipmo Microsoft.ActiveDirectory.Management.dll`

Neighbors

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