Azure Sentinel
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Original Sigma Rule: https://github.com/Neo23x0/sigma/blob/master/rules/apt/apt_hurricane_panda.yml.
Questions via Twitter: @janvonkirchheim.
Questions via Twitter: @janvonkirchheim.
Cloud Hopper
KQL
Original Sigma Rule: https://github.com/Neo23x0/sigma/blob/master/rules/apt/apt_cloudhopper.yml.
Questions via Twitter: @janvonkirchheim.
Questions via Twitter: @janvonkirchheim.
This query was originally published on Twitter, by @MsftSecIntel.
Gootkit is malware that started life as a banking trojan, and has since extended its capabilities to allow for a variety of malicious activities.
The query helps find events related to Gootkit downloads and command-and-control behavior.
Reference - https://twitter.com/MsftSecIntel
Gootkit is malware that started life as a banking trojan, and has since extended its capabilities to allow for a variety of malicious activities.
The query helps find events related to Gootkit downloads and command-and-control behavior.
Reference - https://twitter.com/MsftSecIntel
Total Controlled Folder Access events.
Total Controlled Folder Access events.
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 surfaces when unusual subprocesses were launched by MWorkerProcess, the Exchange Unified Messaging service. This might indicate exploitation of CVE-2021-26857 to run arbitrary code.
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 surfaces when unusual subprocesses were launched by MWorkerProcess, the Exchange Unified Messaging service. This might indicate exploitation of CVE-2021-26857 to run arbitrary code.
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/
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 searches for not onboarded devices with a specific prefix
The following queries pivot from an IP address assigned to a machine to the relevant machine or logged-on users.
To read more about it, check out this post: https://techcommunity.microsoft.com/t5/What-s-New/Advanced-hunting-now-includes-network-adapters-information/m-p/224402#M74.
Query #1: get machines that have used a given local IP address at a given time - as configured on their network adapters.
To read more about it, check out this post: https://techcommunity.microsoft.com/t5/What-s-New/Advanced-hunting-now-includes-network-adapters-information/m-p/224402#M74.
Query #1: get machines that have used a given local IP address at a given time - as configured on their network adapters.
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
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