Azure Sentinel
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'This query looks for writes of PE files to C:\Windows\System32\spool\drivers\color\.
This is a common directory used by malware, as well as some legitimate programs, and writes of PE files to the folder should be monitored.
Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/'
This is a common directory used by malware, as well as some legitimate programs, and writes of PE files to the folder should be monitored.
Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/'
'This detection looks for the steps required to conduct a UAC bypass using Fodhelper.exe. By default this detection looks for the setting of the required registry keys and the invoking of the process within 1 hour - this can be tweaked as required.'
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-2019-1053 (also known as SandboxEscape), the third 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-2019-1053 (also known as SandboxEscape), the third vulnerability listed above.
Reference - https://threatpost.com/sandboxescaper-more-exploits-ie-zero-day/145010/
'This query identifies matches based on KNOTWEED file hash IOCs across Microsoft Defender for Endpoint tables'
Use this query to find email stealing activities ran by Qakbot that will use "ping.exe -t 127.0.0.1" to obfuscate subsequent actions.
Email theft that occurs might be exfiltrated to operators and indicates that the malware completed a large portion of its automated activity without interruption.
Email theft that occurs might be exfiltrated to operators and indicates that the malware completed a large portion of its automated activity without interruption.
// Look for attempts to use fsutil.exe to delete file system logs that can be used as forensic artifacts.
This query was originally published in the threat analytics report, "Exchange Server zero-days exploited in the wild".
In early March 2021, Microsoft released patches for four different zero-day vulnerabilities affecting Microsoft Exchange Server. The vulnerabilities were being used in a coordinated attack. For more information on the vulnerabilities, visit the following links:
1. CVE-2021-26855
2. CVE-2021-26857
3. CVE-2021-26858
4. CVE-2021-27065
The following query finds evidence of an Exchange PowerShell snap-in being loaded. This can indicate an attempt to exfiltrate data.
More queries related to this threat can be found under the See also section of this page.
Reference - https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/
In early March 2021, Microsoft released patches for four different zero-day vulnerabilities affecting Microsoft Exchange Server. The vulnerabilities were being used in a coordinated attack. For more information on the vulnerabilities, visit the following links:
1. CVE-2021-26855
2. CVE-2021-26857
3. CVE-2021-26858
4. CVE-2021-27065
The following query finds evidence of an Exchange PowerShell snap-in being loaded. This can indicate an attempt to exfiltrate data.
More queries related to this threat can be found under the See also section of this page.
Reference - https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/
Get stats on ASR audit events - count events and machines per rule.
Get stats on ASR audit events - count events and machines per rule.
This query helps reviewing list of top 10 URL domains attacking the organization
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