Suspicious usage of File Server Remote VSS Protocol (FSRVP)

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Use Alternate Authentication Material: Pass the Hash (T1550.002)
Severity	High

Description

A suspicious usage of File Server Remote VSS Protocol (FSRVP) was done.

Attacker's Goals

An attacker is attempting to steal credentials and move laterally within a network.

Investigative actions

• Check for suspicious processes on the source host.
• Check if the source host is a vulnerability scanner.
• Look for additional suspicious activities by users.