PT-2022-14862 · Undefined · Undefined

CVE-2022-21082

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Published

2022-10-03

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Updated

2022-10-12

None

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#ParsedReport 01-10-2022
Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082
https://www.microsoft.com/security/blog/2022/09/30/analyzing-attacks-using-the-exchange-vulnerabilities-cve-2022-41040-and-cve-2022-41082
Threats: Chinachopper Backdoor:win32/rewritehttp.a Win32/iisexchgdropwebshell.a!dha Trojan:win32/iisexchgspawncmd.a Trojan:win32/webshellterminal.a Trojan:win32/webshellterminal.b Proxyshell vuln
CVEs: CVE-2022-41040 [Vulners] Vulners: Score: Unknown, CVSS: Unknown, Vulners: Exploitation: Unknown X-Force: Risk: 6.5 X-Force: Patch: Official fix
CVE-2022-21082 [Vulners] Vulners: Score: Unknown, CVSS: Unknown, Vulners: Exploitation: Unknown X-Force: Risk: Unknown X-Force: Patch: Unknown
CVE-2022-41082 [Vulners] Vulners: Score: Unknown, CVSS: Unknown, Vulners: Exploitation: Unknown X-Force: Risk: 8.8 X-Force: Patch: Official fix
TTPs: Tactics: 3 Technics: 0
IOCs: File: 1
Softs: microsoft defender for endpoint, microsoft defender, microsoft 365 defender, microsoft exchange server, active directory, microsoft exchange, windows hello
Links: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/ExchangeWorkerProcessMakingRemoteCall.yaml https://github.com/Azure/Azure-Sentinel/blob/08a8d2b9c5c9083e341be447773a34b56b205dee/Detections/W3CIISLog/ProxyShellPwn2Own.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Hunting%20Queries/W3CIISLog/PotentialWebshell.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Detections/W3CIISLog/MaliciousAlertLinkedWebRequests.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/ExchangeOABVirtualDirectoryAttributeContainingPotentialWebshell.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Detections/http proxy oab CL/ExchagngeSuspiciousFileDownloads.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Hunting%20Queries/W3CIISLog/WebShellActivity.yaml https://github.com/Azure/Azure-Sentinel/blob/master/Hunting%20Queries/Microsoft%20365%20Defender/Execution/exchange-iis-worker-dropping-webshell.yaml
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Related Identifiers

CVE-2022-21082

Affected Products

Undefined