Detection rules › Sigma

Visual Studio Code Tunnel Service Installation

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects the installation of VsCode tunnel (code-tunnel) as a service.

MITRE ATT&CK coverage

TacticTechniques
Command & ControlT1071.001 Application Layer Protocol: Web Protocols

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: internal-run
CommandLine|contains: service
CommandLine|contains: 'tunnel '
CommandLine|contains: tunnel-service.log

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
CommandLinematch
  • internal-run corpus 2 (sigma 2)
  • service corpus 3 (sigma 3)
  • tunnel corpus 2 (sigma 2)
  • tunnel-service.log corpus 2 (sigma 2)