Read the findings, mitigations and technical details of the Channel File 291 incident in the Root Cause Analysis and Executive Summary.

Aug 6, 2024 · Content Validator: Checks the validity of channel files against their definition in the Template Type Definitions file. Content Configuration System: Used to create Template Instances, which are validated and deployed to the sensor through a mechanism called Channel Files.

Executive Summary: Root Cause Analysis — Channel File 291 gs of CrowdStrike’s Root Cause Analysis (RCA) report. The full report elaborates on the information previously shared in our preliminary Post Incident Review (PIR), providing further depth on the findings, mitigations, te

A modification to a configuration file which was responsible for screening named pipes, Channel File 291, caused an out-of-bounds memory read [14] in the Windows sensor client that resulted in an invalid page fault.

Aug 7, 2024 · This scenario with Channel File 291 is now “incapable of recurring,” CrowdStrike said, adding that what happened is now informing how it tests things going forward.

Jul 23, 2024 · "Channel File 291 controls how Falcon evaluates named pipe execution on Windows systems. Named pipes are used for normal, interprocess or intersystem communication in Windows," CrowdStrike explained in a technical summary published over the weekend.

What is a 291 file? Learn about the file formats using this extension and how to open 291 files. Download a 291 opener. Learn from the File Experts at file.org.

Aug 7, 2024 · The "Channel File 291" incident, as originally highlighted in its Preliminary Post Incident Review (PIR), has been traced back to a content validation issue that arose after it introduced a new Template Type to enable visibility into and detection of novel attack techniques that abuse named pipes and other Windows interprocess communication ...

Jul 25, 2024 · At the heart of this digital mayhem lay an innocuous file that would soon become infamous in IT circles – channel file 291. Designed to enhance Falcon's endpoint detection and response (EDR) capabilities, this file instead became the epicenter of a global crisis.

Aug 7, 2024 · The report, titled "External Technical Root Cause Analysis -- Channel File 291," examined the factors that led to the botched Falcon sensor update being delivered to CrowdStrike customers, which trigged a mass IT outage on July 19.