CVE-2021-1675 Print Spooler Exploitation IPC Access

testcritical
Log-Quelle: windows · securityAutor INIT_6Datum 2021-07-02
01

Beschreibung

Was dies ist, in Kürze.

Detects remote printer driver load from Detailed File Share in Security logs that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675 and CVE-2021-34527

02

Tags

attack.executionattack.t1569cve.2021-1675cve.2021-34527detection.emerging-threats
03

Regelquelle (YAML)

title: CVE-2021-1675 Print Spooler Exploitation IPC Access
id: 8fe1c584-ee61-444b-be21-e9054b229694
status: test
description: Detects remote printer driver load from Detailed File Share in Security logs that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675 and CVE-2021-34527
references:
    - https://twitter.com/INIT_3/status/1410662463641731075
author: INIT_6
date: 2021-07-02
modified: 2022-10-05
tags:
    - attack.execution
    - attack.t1569
    - cve.2021-1675
    - cve.2021-34527
    - detection.emerging-threats
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 5145
        ShareName: '\\\\\*\\IPC$' # looking for the string \\*\IPC$
        RelativeTargetName: 'spoolss'
        AccessMask: '0x3'
        ObjectType: 'File'
    condition: selection
falsepositives:
    - Unknown
level: critical
04

erkennt Techniken (1)

ATT&CK-Techniken, die dies ermöglicht oder abbildet.

05

Referenzen

Externe Belege — Patches, Meldungen, Analysen.