Rundll32 Internet Connection
Detects a rundll32 that communicates with public IP addresses
Detection logic
Detection requirements
- Platform
- Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source category
- network_connection
Known benign triggers
- Communication to other corporate systems that use IP addresses from public address spaces
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| www.hybrid-analysis.com/sample/759fb4c0091a78c5ee035715afe3084686a8493f39014aea72dae36869de9ff6?environmentId=100 | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- cdc8da7d-c303-42f8-b08c-b4ab47230263
- Tagged by the source as
- attack.executionattack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1