Detection rules › Sigma
MsiExec Web Install
Detects suspicious msiexec process starts with web addresses as parameter
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | T1218.007 System Binary Proxy Execution: Msiexec |
| Command & Control | T1105 Ingress Tool Transfer |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: MsiExec Web Install
id: f7b5f842-a6af-4da5-9e95-e32478f3cd2f
related:
- id: 8150732a-0c9d-4a99-82b9-9efb9b90c40c
type: similar
status: test
description: Detects suspicious msiexec process starts with web addresses as parameter
references:
- https://blog.trendmicro.com/trendlabs-security-intelligence/attack-using-windows-installer-msiexec-exe-leads-lokibot/
author: Florian Roth (Nextron Systems)
date: 2018-02-09
modified: 2022-01-07
tags:
- attack.stealth
- attack.t1218.007
- attack.command-and-control
- attack.t1105
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- ' msiexec'
- '://'
condition: selection
falsepositives:
- False positives depend on scripts and administrative tools used in the monitored environment
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
CommandLine|contains|all:
- ' msiexec'
- '://'
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 |
|---|---|---|
CommandLine | match |
|