Azure Sentinel
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This query looks for lnk file executions from other locations than C: -drive, which can relate to mounted ISO-files.
Reference - https://threathunt.blog/detecting-a-payload-delivered-with-iso-files-using-mde/
Reference - https://threathunt.blog/detecting-a-payload-delivered-with-iso-files-using-mde/
This query was originally published in the threat analytics report, Ursnif (Gozi) continues to evolve.
Microsoft HTML Applications, or HTAs, are executable files that use the same technologies and models as Internet Explorer, but do not run inside of a web browser.
Mshta.exe is a Windows utility that provides a host for HTA files to run in. Although it has legitimate uses, attackers can use mshta.exe to run malicious Javascript or VBScript commands. The MITRE ATT&CK framework includes Mshta among its list of enterprise attack techniques.
The following query detects when mshta.exe has been run, which might include illegitimate usage by attackers.
References:
https://docs.microsoft.com/previous-versions/ms536496(v=vs.85)
https://attack.mitre.org/techniques/T1170/
Microsoft HTML Applications, or HTAs, are executable files that use the same technologies and models as Internet Explorer, but do not run inside of a web browser.
Mshta.exe is a Windows utility that provides a host for HTA files to run in. Although it has legitimate uses, attackers can use mshta.exe to run malicious Javascript or VBScript commands. The MITRE ATT&CK framework includes Mshta among its list of enterprise attack techniques.
The following query detects when mshta.exe has been run, which might include illegitimate usage by attackers.
References:
https://docs.microsoft.com/previous-versions/ms536496(v=vs.85)
https://attack.mitre.org/techniques/T1170/
Use this query to look for alerts related to suspected ransomware and Cobalt Strike activity, a tool used in numerous ransomware campaigns
This query helps in checking for spoofing attempts on the domain with Authentication failures
This query helps reviewing admin reported email submissions
This query visualises emails submitted by admins as false positives, summarizing the data by top 10 sender domains of those emails
This query helps hunt for emails with malicious attachments based on SH256 hash from external IOC source
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
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 hunting query looks for users whose total returned data that is significantly above their average.'
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