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DETECTION OVERVIEW
Risk Factors
Tunneling software is one of many publicly available tools that attackers or employees can leverage to bypass firewall restrictions and facilitate unauthorized access to internal network resources. However, the likelihood is low because as a prerequisite, a device inside the network must already be running tunneling software.
The system might change the risk score for this detection.
Kill Chain
Risk Score
56
A reverse tunnel enables an attacker to target an internal network from the internet. Tunneling software such as ngrok and FRP (Fast Reverse Proxy) creates a secure reverse tunnel to a locally hosted device or devices. Legitimate users can also deploy tunneling software to access blocked sites or internally hosted resources for the purpose of circumventing policy and network restrictions.
Quarantine the device while checking for indicators of compromise.
Block or limit outbound traffic to sites and services associated with tunneling software.
