CVE-2021-1675 Print Spooler Exploitation IPC Access
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
Detection logic
selection
EventID: 5145
ShareName: \\\\\*\\IPC$
RelativeTargetName: spoolss
AccessMask: "0x3"
ObjectType: FileCondition
selectionRaw 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: criticalFalse positives
- Unknown