Sunturai
Back to results
HighSigmaHQFlorian Roth (Nextron Systems)

Process Initiated Network Connection To Ngrok Domain

Detects an executable initiating a network connection to "ngrok" domains. Attackers were seen using this "ngrok" in order to store their second stage payloads and malware. While communication with such domains can be…

Description

Detects an executable initiating a network connection to "ngrok" domains. Attackers were seen using this "ngrok" in order to store their second stage payloads and malware. While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or additional download.

Detection logic

Detection requirements

Platform
ESXiLinuxmacOSOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source product
windows
Log source category
network_connection

Known benign triggers

  • Legitimate use of the ngrok service.

Detections can measure how the public catalogue is used — which detections people look for, and which pages bring them here. It sets a cookie that recognises this browser for 180 days. It is never linked to an account and never follows you to other sites. Privacy notice