kevmap

TechniquesT1098.002 › AN1052

AN1052 Analytic 1052

Windows · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Execution of PowerShell commands that modify mailbox permissions using Exchange cmdlets (e.g., Add-MailboxPermission), often tied to BEC or post-compromise persistence.</p>
Detects
T1098.002 Additional Email Delegate Permissions
Part of
DET0373 Detection Strategy for Addition of Email Delegate Permissions

Log sources and channels

Exactly as MITRE states them in x_mitre_log_source_references. Where a channel is vague, it is vague in the source; kevmap does not tidy it.

Log sourceChannelData component
WinEventLog:SecurityEventCode=4688DC0032 Process Creation
m365:unifiedPowerShell: Add-MailboxPermissionDC0038 Application Log Content

Mutable elements

Parameters MITRE marks as environment-specific. These are the knobs you are expected to tune; they are why an analytic is not a rule.

FieldDescription
PowerShellCmdletFilterExchange cmdlets to include or exclude based on scope (e.g., Add-MailboxPermission, Set-MailboxFolderPermission).
ExecutionParentFlag suspicious script or interactive shell launch by non-admins.
TimeWindowWindow in which Add-MailboxPermission is followed by anomalous usage (e.g., SendAs events).