Detection rules › Sigma

Suspicious RASdial Activity

Status
test
Severity
medium
Log source
category process_creation, product windows
Author
juju4
Source
github.com/SigmaHQ/sigma

Detects suspicious process related to rasdial.exe

Known false positives

  • False positives depend on scripts and administrative tools used in the monitored environment

MITRE ATT&CK coverage

Telemetry coverage

Rule body

title: Suspicious RASdial Activity
id: 6bba49bf-7f8c-47d6-a1bb-6b4dece4640e
status: test
description: Detects suspicious process related to rasdial.exe
references:
    - https://twitter.com/subTee/status/891298217907830785
author: juju4
date: 2019-01-16
modified: 2021-11-27
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: 'rasdial.exe'
    condition: selection
falsepositives:
    - False positives depend on scripts and administrative tools used in the monitored environment
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Image|endswith: 'rasdial.exe'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
Imageends_with
  • rasdial.exe
field:"Image" kind:ends_with value:"rasdial.exe"