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Home > Success Center > Log & Event Manager (LEM) > LEM - Knowledgebase Articles > How File Integrity Monitor (FIM) handles actions performed on a network share

How File Integrity Monitor (FIM) handles actions performed on a network share

Created by Seamus.Enright, last modified by MindTouch on Jun 23, 2016

Views: 1,851 Votes: 2 Revisions: 7

Overview

This article describes how File Integrity Monitor (FIM) handles actions performed on a network share. 

Environment

All versions of LEM

Details

The current version of KD (SWFsFltr.sys v1.1.0.12) handles actions performed on network share in a following way:

 

Action

SourceAccount in invoked event

FILE Create

User which performed action

FILE Read

NT AUTHORITY \ SYSTEM

FILE Write

User & NT AUTHORITY \ SYSTEM (one event from user + several from System)**

!IMPORTANT: some applications invoke SYSTEM user events only!

FILE Delete

User which performed action

DIR Create

User which performed action

DIR Delete

User which performed action

DIR Read*

NT AUTHORITY \ SYSTEM

Permissions (ACL) Read

User & NT AUTHORITY \ SYSTEM

Permissions (ACL) Write

User which performed action

Metadata Read

User & NT AUTHORITY \ SYSTEM

Metadata Write

User which performed action

Note: "Meta writes" follow "File writes" closely,

use this to keep track of username when only SYSTEM user'ed "File writes" are generated by OS

Notes:

  • DIR Read events received by setting File Read op in Connector.
  • Depending on the application used to update file, some tend to invoke at least one user addressed events (notepad++), others spawn SYSTEM exclusively (e.g paint).

 

 

 

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