Detection rules › Sigma

MSI Installation From Web

Status
test
Severity
medium
Log source
product windows, service application
Author
Stamatis Chatzimangou
Source
github.com/SigmaHQ/sigma

Detects installation of a remote msi file from web.

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: MSI Installation From Web
id: 5594e67a-7f92-4a04-b65d-1a42fd824a60
status: test
description: Detects installation of a remote msi file from web.
references:
    - https://twitter.com/_st0pp3r_/status/1583922009842802689
author: Stamatis Chatzimangou
date: 2022-10-23
tags:
    - attack.stealth
    - attack.t1218
    - attack.t1218.007
logsource:
    product: windows
    service: application
    # warning: The 'data' field used in the detection section is the container for the event data as a whole. You may have to adapt the rule for your backend accordingly
detection:
    selection:
        Provider_Name: 'MsiInstaller'
        EventID:
            - 1040
            - 1042
        Data|contains: '://'
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Provider_Name: 'MsiInstaller'
    EventID:
        - 1040
        - 1042
    Data|contains: '://'

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.

FieldKindValues
Datamatch
  • ://
Provider_Nameeq
  • MsiInstaller corpus 5 (sigma 5)