Detectionmediumtest

MSExchange Transport Agent Installation

Detects the Installation of a Exchange Transport Agent

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Tobias MichalskiCreated Tue Jun 08Updated Sun Oct 0983809e84-4475-4b69-bc3e-4aad8568612fwindows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        CommandLine|contains: 'Install-TransportAgent'
    condition: selection

False Positives

Legitimate installations of exchange TransportAgents. AssemblyPath is a good indicator for this.

References

MITRE ATT&CK

Tactics

Sub-techniques

Related Rules

MSExchange Transport Agent Installation

Detects the Installation of a Exchange Transport Agent

Detects similar activity. Both rules may fire on overlapping events.

Rule Metadata

Rule ID

83809e84-4475-4b69-bc3e-4aad8568612f

Status

test

Level

medium

Type

Detection

Created

Tue Jun 08

Modified

Sun Oct 09

Author

Path

rules/windows/process_creation/proc_creation_win_powershell_msexchange_transport_agent.yml

Raw Tags

attack.persistenceattack.t1505.002