EDR: How does Fileless_Scriptloads Impact Retention?

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

How does fileless_scriptloads collection impact retention?

Environment

• EDR Server: 7.6+

Resolution

It depends on the frequency of usage of PowerShell within the organization, it might have a slight impact, but we have no way to provide exact numbers.

Additional Information

• The fileless scriptload event leverages the Anti-Malware Scanning Interface (AMSI) support that is available in Windows 10 RS2+ and Windows 2016.
• The fileless_scriptload event represents each occasion whe the sensor detected AMSI-decoded script content that was executed by any process.
• Only the fileless script content that was not stored in a file on the file system when the context was executed is sent to the EDR server.
• The fileless_scriptload data is a new event type stored and indexed in Solr.