A host is potentially running a hacking tool (ASIM Web Session schema)
This rule identifies a web request with a user agent header known to belong to a hacking tool. This indicates a hacking tool is used on the host.<br>You can add custom hacking tool indicating User-Agent headers using…
Description
This rule identifies a web request with a user agent header known to belong to a hacking tool. This indicates a hacking tool is used on the host.<br>You can add custom hacking tool indicating User-Agent headers using a watchlist, for more information refer to the [UnusualUserAgents Watchlist](https://aka.ms/ASimUnusualUserAgentsWatchlist). This analytic rule uses [ASIM](https://aka.ms/AboutASIM) and supports any built-in or custom source that supports the ASIM WebSession schema (ASIM WebSession Schema)
Detection logic
Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows
The rule states no platform. This is derived from the 6 ATT&CK techniques it maps to.
- Log source product
- squidproxyzscaler
- Log source service
- commonsecuritylogsquidproxy_cl
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 |
|---|---|
| github.com/Azure/Azure-Sentinel/blob/master/Detections/CiscoUmbrella/CiscoUmbrellaHackToolUserAgentDetected.yaml | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 3f0c20d5-6228-48ef-92f3-9ff7822c1954
- Tagged by the source as
- CollectionCommandAndControlDiscoveryExecutionExfiltrationLateralMovementSecurity - Threat Protection
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Written by
- Published
- Sep 2, 2026
- Version
- 1