Suspicious Arbitrary File Download Through PresentationHost.EXE (via process_creation)
This rule detects use of "PresentationHost" which is a utility that runs ".xbap" (Browser Applications) files to download arbitrary files
SigmamediumWindowsv1
sigma
suspicious-arbitrary-file-download-through-presentationhost-exe-via-process-creation
title: Suspicious Arbitrary File Download Through PresentationHost.EXE (via process_creation)
id: b7ee2fbd-da17-5ad6-9d1e-10334c6caa93
status: stable
description: This rule detects use of "PresentationHost" which is a utility that runs ".xbap" (Browser Applications) files to download arbitrary files
references:
- https://attack.mitre.org/techniques/T1218/
- https://github.com/LOLBAS-Project/LOLBAS/pull/239/files
author: Huntrule Team
date: 2026-04-26
tags:
- attack.execution
- attack.stealth
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\presentationhost.exe'
- OriginalFileName: 'PresentationHost.exe'
selection_cli:
CommandLine|contains:
- 'http://'
- 'https://'
- 'ftp://'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.