Detection rules › Sigma
Communication To LocaltoNet Tunneling Service Initiated
Detects an executable initiating a network connection to "LocaltoNet" tunneling sub-domains. LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet. Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1090 Proxy, T1102 Web Service, T1572 Protocol Tunneling |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 3 | Network connection |
Stages and Predicates
Stage 1: selection
or:
DestinationHostname|endswith: .localto.net
DestinationHostname|endswith: .localtonet.com
Initiated: true
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 |
|---|---|---|
DestinationHostname | ends_with |
|
Initiated | eq |
|