Potential Cookies Theft via Browser Debugging
Identifies the execution of a Chromium based browser with the debugging process argument, which may indicate an attempt to steal authentication cookies. An adversary may steal web application or service session…
Description
Identifies the execution of a Chromium based browser with the debugging process argument, which may indicate an attempt to steal authentication cookies. An adversary may steal web application or service session cookies and use them to gain access web applications or Internet services as an authenticated user without needing credentials.
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
- LinuxmacOSOffice SuiteSaaSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source category
- event_index
Known benign triggers
- Developers performing browsers plugin or extension debugging.
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 |
|---|---|
| embracethered.com/blog/posts/2020/cookie-crimes-on-mirosoft-edge/ | 2from 2 sources |
| github.com/defaultnamehere/cookie_crimes | Only this detection cites it |
| github.com/rapid7/metasploit-framework/blob/master/documentation/modules/post/multi/gather/chrome_cookies.md | Only this detection cites it |
| posts.specterops.io/hands-in-the-cookie-jar-dumping-cookies-with-chromiums-remote-debugger-port-34c4f468844e | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 027ff9ea-85e7-42e3-99d2-bbb7069e02eb
- Tagged by the source as
- Data Source: Elastic DefendData Source: SysmonData Source: Windows Security Event LogsDomain: EndpointNoise: HighOS: LinuxOS: macOSOS: WindowsPerformance: NormalPlatform: LinuxPlatform: macOSPlatform: WindowsProfile: AggressiveResources: Investigation GuideRule Type: Event Correlation (EQL)Tactic: Credential AccessThreat: Information StealerUse Case: Threat Detection
Licence
- Published under
- Elastic License 2.0Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Sep 20, 2026
- Version
- 3