Detection rules › Sigma
Potential Remote Desktop Tunneling
Detects potential use of an SSH utility to establish RDP over a reverse SSH Tunnel. This can be used by attackers to enable routing of network packets that would otherwise not reach their intended destination.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Lateral Movement | T1021 Remote Services |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: all of selection
CommandLine|contains: ':3389'
Stage 2: all of selection_opt
or:
CommandLine|contains: ' -L '
CommandLine|contains: ' -P '
CommandLine|contains: ' -R '
CommandLine|contains: ' -pw '
CommandLine|contains: ' -ssh '
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 |
|
Neighbors
Stricter alternatives (narrower than this rule)
The rules below may be useful if you find the current rule is too noisy / lacks specificity.
- Potential RDP Tunneling Via SSH (adds 1 filter)