Detection rules › Sigma
DNS Query To Visual Studio Code Tunnels Domain
Detects DNS query requests to Visual Studio Code tunnel domains. Attackers can abuse that feature to establish a reverse shell or persistence on a machine.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1071.001 Application Layer Protocol: Web Protocols |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 22 | DNSEvent (DNS query) |
Stages and Predicates
Stage 1: selection
QueryName|endswith: .tunnels.api.visualstudio.com
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 |
|---|---|---|
QueryName | ends_with |
|