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Get Started Free →cyberstrikeus/T0822_external-remote-services
Adversaries may leverage external remote services as a point of initial access into your network.
Passed 22 of 24 test cases with the skill, and 10 of 24 without it.
and 13 more in the full report
12 fixed10 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
Our operational engineering team wants to restrict external connection paths so all external remote traffic passes through centrally managed VPN concentrators. Which MITRE ATT&CK ICS mitigation code governs limiting access to resources over the network using managed concentrators?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies MITRE ATT&CK ICS mitigation M0935 | Missed | Passed |
The instructions your model reads when the skill loads.
Adversaries may leverage external remote services as a point of initial access into your network. These services allow users to connect to internal network resources from external locations. Examples are VPNs, Citrix, and other access mechanisms. Remote service gateways often manage connections and credential authentication for these services.
External remote services allow administration of a control system from outside the system. Often, vendors and internal engineering groups have access to external remote services to control system networks via the corporate network. In some cases, this access is enabled directly from the internet. While remote access enables ease of maintenance when a control system is in a remote area, compromise of remote access solutions is a liability. The adversary may use these services to gain access to and execute attacks against a control system network. Access to valid accounts is often a requirement.
As they look for an entry point into the control system network, adversaries may begin searching for existing point-to-point VPN implementations at trusted third party networks or through remote support employee connections where split tunneling is enabled.
Platforms: ICS
Determine if the target ICS/SCADA environment is susceptible to External Remote Services by examining operational technology systems and network architecture.
Review whether mitigations for T0822 are in place. If defenses are absent or misconfigured, this technique may be exploitable in the ICS environment.
Deny direct remote access to internal systems through the use of network proxies, gateways, and firewalls. Consider a jump server or host into the DMZ for greater access control. Leverage this DMZ or corporate resources for vendor access.
test cases passed, vs 10 / 24 without
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