Emerging Threatcriticaltest
CVE-2021-1675 Print Spooler Exploitation
Detects driver load events print service operational log that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675
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Launch
Florian Roth (Nextron Systems)Created Thu Jul 01Updated Sun Oct 09f34d942d-c8c4-4f1f-b196-22471aecf10a2021
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
Windowsprintservice-operational
ProductWindows← raw: windows
Serviceprintservice-operational← raw: printservice-operational
Detection Logic
Detection Logic2 selectors
detection:
selection:
EventID: 316
keywords:
- 'UNIDRV.DLL, kernelbase.dll, '
- ' 123 '
- ' 1234 '
- 'mimispool'
condition: selection and keywordsFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Techniques
Other
cve.2021-1675detection.emerging-threats
Rule Metadata
Rule ID
f34d942d-c8c4-4f1f-b196-22471aecf10a
Status
test
Level
critical
Type
Emerging Threat
Created
Thu Jul 01
Modified
Sun Oct 09
Path
rules-emerging-threats/2021/Exploits/CVE-2021-1675/win_exploit_cve_2021_1675_printspooler_operational.yml
Raw Tags
attack.executionattack.t1569cve.2021-1675detection.emerging-threats