Azure Sentinel
@AzureSentinel50 followers965 downloads1,436 copies43 likes37,858 views
1,223 detections
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This query visualises total inbound emails with Malware detections summarizing the data by the top recipient email address (RecipientEmailAddress)
This query visualises total emails with Phish detections over time summarizing the data daily by Delivery Location.
This query visualises total emails with Phish detections summarizing the data by various Phish detection technologies/controls
This query calculates device uptime based on periodic DeviceInfo which is recorded every 15 minutes regardless of device's network connectivity and uploaded once device gets online. If its interval is over 16 minutes, we can consider device is turned off.Calculated uptime may include up to 30 minutes gap. Devices may be turned on up to 15 minutes earlier than the "timestamp", and may be turned off up to 15 minutes later than the "LastTimestamp". When the single independent DeviceInfo without any sequential DeviceInfo within 16 minutes before or after is recorded, "DurationAtLeast" will be displayed as "00.00:00:00".
Intent:
- Use MTP capability to look for insider threat potential risk indicators
- Indicators would then serve as the building block for insider threat risk modeling in subsequent tools
Definition of Insider Threat:
"The potential for an individual who has or had authorized access to an organization's assets to use their access, either maliciously or unintentionally, to act in a way that could negatively affect the organization."
This collection of queries describes the different indicators that could be used to model and look for patterns suggesting an increased risk of an individual becoming a potential insider threat.
Note: no single indicator should be used as a lone determinant of insider threat activity, but should be part of an overall program to understand the increased risk to your organization's critical assets. This in turn is used to feed an investigation by a formal insider threat program to look at the context associated with the whole person to understand the implication of a set of indicators.
- Use MTP capability to look for insider threat potential risk indicators
- Indicators would then serve as the building block for insider threat risk modeling in subsequent tools
Definition of Insider Threat:
"The potential for an individual who has or had authorized access to an organization's assets to use their access, either maliciously or unintentionally, to act in a way that could negatively affect the organization."
This collection of queries describes the different indicators that could be used to model and look for patterns suggesting an increased risk of an individual becoming a potential insider threat.
Note: no single indicator should be used as a lone determinant of insider threat activity, but should be part of an overall program to understand the increased risk to your organization's critical assets. This in turn is used to feed an investigation by a formal insider threat program to look at the context associated with the whole person to understand the implication of a set of indicators.
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
The following query surface network activity associated with exploitation of CVE-2022-22965.
Assuming that you have a machine that is properly BitLocker'ed, then
the machine will need to be running to extract the SAM and SYSTEM
files.
This first query looks for any access to the HKLM that happens via a command
or script that is not executed by system.
The second query looks for usage of reg or regedit by anyone who is not system.
the machine will need to be running to extract the SAM and SYSTEM
files.
This first query looks for any access to the HKLM that happens via a command
or script that is not executed by system.
The second query looks for usage of reg or regedit by anyone who is not system.
This query checks for specific processes and domain TLD used in the CVE-2018-4878 flash 0day exploit attack reported by KrCERT.
CVE: CVE-2018-4878.
Read more here:.
Https://www.krcert.or.kr/data/secNoticeView.do?bulletin_writing_sequence=26998.
Https://helpx.adobe.com/security/products/flash-player/apsa18-01.html.
Http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html.
Http://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign.
Tags: #exploit #CVE-2018-4878 #0day #Korea #Flash.
CVE: CVE-2018-4878.
Read more here:.
Https://www.krcert.or.kr/data/secNoticeView.do?bulletin_writing_sequence=26998.
Https://helpx.adobe.com/security/products/flash-player/apsa18-01.html.
Http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html.
Http://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign.
Tags: #exploit #CVE-2018-4878 #0day #Korea #Flash.
'This hunting query identifies GitHub activites where there are a large number of deletions that may be a sign of compromise.'
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