Azure Sentinel
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Remote Monitoring and Management (RMM) programs are IT to manage remote endpoints. Attackers have begun to abuse these programs to persist or provide C2 channels.
https://github.com/jischell-msft/RemoteManagementMonitoringTools
https://github.com/jischell-msft/RemoteManagementMonitoringTools
'This query looks for new processes being spawned by the Exchange UM service where that process has not previously been observed before.
Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/'
Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/'
Show usb mounted and files copied
This query helps reviewing Phish detections done by some of the most frequent detection technologies in the last 7 days
This query was originally published in the threat analytics report, May 2019 0-day disclosures.
In May and June of 2019, a security researcher with the online alias, SandboxEscaper, discovered and published several elevation-of-privilege vulnerabilities on Github. The researcher included proofs-of-concept demonstrating how to exploit these vulnerabilities.
Patches and more information about each vulnerability are available below:
1. CVE-2019-0863 | Windows Error Reporting Elevation of Privilege Vulnerability
2. CVE-2019-1069 | Task Scheduler Elevation of Privilege Vulnerability
3. CVE-2019-1053 | Windows Shell Elevation of Privilege Vulnerability
4. CVE-2019-1064 | Windows Elevation of Privilege Vulnerability
5. CVE-2019-0973 | Windows Installer Elevation of Privilege Vulnerability
6. CVE-2019-1129 | Windows Elevation of Privilege Vulnerability
This query locates possible activity that exploits CVE-2019-1129 (also known as ByeBear or CVE-2019-0841-Bypass 2), the sixth vulnerability listed above.
Reference - https://threatpost.com/sandboxescaper-more-exploits-ie-zero-day/145010/
In May and June of 2019, a security researcher with the online alias, SandboxEscaper, discovered and published several elevation-of-privilege vulnerabilities on Github. The researcher included proofs-of-concept demonstrating how to exploit these vulnerabilities.
Patches and more information about each vulnerability are available below:
1. CVE-2019-0863 | Windows Error Reporting Elevation of Privilege Vulnerability
2. CVE-2019-1069 | Task Scheduler Elevation of Privilege Vulnerability
3. CVE-2019-1053 | Windows Shell Elevation of Privilege Vulnerability
4. CVE-2019-1064 | Windows Elevation of Privilege Vulnerability
5. CVE-2019-0973 | Windows Installer Elevation of Privilege Vulnerability
6. CVE-2019-1129 | Windows Elevation of Privilege Vulnerability
This query locates possible activity that exploits CVE-2019-1129 (also known as ByeBear or CVE-2019-0841-Bypass 2), the sixth vulnerability listed above.
Reference - https://threatpost.com/sandboxescaper-more-exploits-ie-zero-day/145010/
This query was originally published in the threat analytics report, Windows 7 zero-day for CVE-2019-0808
CVE-2019-0808 is a vulnerability that allows an attacker to escape the Windows security sandbox and run arbitrary code with admin privileges. This vulnerability affects Windows 7, Windows Server 2008, and Windows Server 2008 R2.
Exploits for CVE-2019-0808 were first observed as part of highly selective attacks using the Nufsys backdoor. Although the Nufsys-associated exploit was first described as a zero-day, the issue has since been patched.
The following query detects possible CVE-2019-0808 exploitation by reporting scheduled task creation events associated with the Nufsys attacks.
References:
https://nvd.nist.gov/vuln/detail/CVE-2019-0808
https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2019-0808
CVE-2019-0808 is a vulnerability that allows an attacker to escape the Windows security sandbox and run arbitrary code with admin privileges. This vulnerability affects Windows 7, Windows Server 2008, and Windows Server 2008 R2.
Exploits for CVE-2019-0808 were first observed as part of highly selective attacks using the Nufsys backdoor. Although the Nufsys-associated exploit was first described as a zero-day, the issue has since been patched.
The following query detects possible CVE-2019-0808 exploitation by reporting scheduled task creation events associated with the Nufsys attacks.
References:
https://nvd.nist.gov/vuln/detail/CVE-2019-0808
https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2019-0808
This query helps reviewing malware detections by detection methods
Identify PowerShell creating an exclusion path of ProgramData directory for Microsoft Defender to not monitor.
Use this query to locate suspicious load image events by rundll32.exe or regsvr32.exe, a behavior associated with IcedId, which can lead to ransomware.
This query surfaces devices that are in a specific IPAddressV6 subnet
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