Emerging Threathightest

CVE-2022-24527 Microsoft Connected Cache LPE

Detects files created during the local privilege exploitation of CVE-2022-24527 Microsoft Connected Cache

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Florian Roth (Nextron Systems)Created Wed Apr 13e0a41412-c69a-446f-8e6e-0e6d7483dad72022
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event

Events for file system activity including creation, modification, and deletion.

Detection Logic
Detection Logic2 selectors
detection:
    selection:
        TargetFilename|endswith: 'WindowsPowerShell\Modules\webAdministration\webAdministration.psm1'
    filter:
        User|contains: # covers many language settings
            - 'AUTHORI'
            - 'AUTORI'
    condition: selection and not filter
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

MITRE ATT&CK

Other

cve.2022-24527detection.emerging-threats
Rule Metadata
Rule ID
e0a41412-c69a-446f-8e6e-0e6d7483dad7
Status
test
Level
high
Type
Emerging Threat
Created
Wed Apr 13
Path
rules-emerging-threats/2022/Exploits/CVE-2022-24527/file_event_win_cve_2022_24527_lpe.yml
Raw Tags
attack.executionattack.privilege-escalationattack.t1059.001cve.2022-24527detection.emerging-threats
View on GitHub