Detection rules › Sigma
Cloudflared Tunnel Execution
Detects execution of the "cloudflared" tool to connect back to a tunnel. This was seen used by threat actors to maintain persistence and remote access to compromised networks.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1090 Proxy, T1102 Web Service, T1572 Protocol Tunneling |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: selection
or:
CommandLine|contains: '-config '
CommandLine|contains: '-credentials-contents '
CommandLine|contains: '-credentials-file '
CommandLine|contains: '-token '
CommandLine|contains: ' run '
CommandLine|contains: ' tunnel '
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 |
|---|---|---|
CommandLine | match |
|