Back to results

External IP Address Discovery via Curl

Detects applications making a curl request to a known public IP address lookup web service. Malware commonly performs this action during reconnaissance to assess potential targets and identify the victim's external…

Description

Detects applications making a curl request to a known public IP address lookup web service. Malware commonly performs this action during reconnaissance to assess potential targets and identify the victim's external IP address.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

Detection requirements

Platform
ESXiLinuxmacOSNetwork DevicesWindows

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

Log source category
event_index

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