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Detection rules › Sigma

Sysmon Blocked File Shredding

Status
test
Severity
high
Log source
product windows, service sysmon
Author
frack113
Source
github.com/SigmaHQ/sigma

Triggers on any Sysmon "FileBlockShredding" event, which indicates a violation of the configured shredding policy.

Known false positives

  • Unlikely

MITRE ATT&CK coverage

TacticTechniques
Defense ImpairmentNo specific technique

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 28: FileBlockShredding

Rule body

title: Sysmon Blocked File Shredding
id: c3e5c1b1-45e9-4632-b242-27939c170239
status: test
description: Triggers on any Sysmon "FileBlockShredding" event, which indicates a violation of the configured shredding policy.
references:
    - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon
author: frack113
date: 2023-07-20
tags:
    - attack.defense-impairment
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 28  # this is fine, we want to match any FileBlockShredding event
    condition: selection
falsepositives:
    - Unlikely
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 28