Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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KQL Query from file: Ottercookie Detection
KQL Query from file: Defending against dot zip domain phishing attack
KQL Query
Detects an executable initiating a network connection to "ngrok" tunneling domains.
Attackers were seen using this "ngrok" in order to store their second stage payloads and malware.
While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or additional download.
Attackers were seen using this "ngrok" in order to store their second stage payloads and malware.
While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or additional download.
Detects the execution of "ConfigSecurityPolicy.EXE", a binary part of Windows Defender used to manage settings in Windows Defender.
Users can configure different pilot collections for each of the co-management workloads.
It can be abused by attackers in order to upload or download files.
Users can configure different pilot collections for each of the co-management workloads.
It can be abused by attackers in order to upload or download files.
Detects the execution of the "curl" process with "upload" flags. Which might indicate potential data exfiltration
Detects the execution of the "curl" process with "upload" flags. Which might indicate potential data exfiltration
This query helps hunting for BEC - File sharing tactics - Dropbox
Detects when a user performs data exfiltration by using DataSvcUtil.exe
Detects when a user performs data exfiltration by using DataSvcUtil.exe
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.
Detects the execution of "ConfigSecurityPolicy.EXE", a binary part of Windows Defender used to manage settings in Windows Defender.
Users can configure different pilot collections for each of the co-management workloads.
It can be abused by attackers in order to upload or download files.
Users can configure different pilot collections for each of the co-management workloads.
It can be abused by attackers in order to upload or download files.
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.
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.
This query can be used to detect instances of a malicious insider creating a file archive and then emailing that archive to an external "competitor" organization.
'Under specific circumstances, executing KQL queries can exfiltrate information like access tokens, regarding external data functions like adx().
This query tries to list executed KQL queries that used the adx() function and where an access token might have been exposed to.
Ref: https://docs.microsoft.com/azure/azure-monitor/logs/azure-monitor-data-explorer-proxy
Ref: https://securecloud.blog/2022/04/27/azure-monitor-malicious-kql-query/'
This query tries to list executed KQL queries that used the adx() function and where an access token might have been exposed to.
Ref: https://docs.microsoft.com/azure/azure-monitor/logs/azure-monitor-data-explorer-proxy
Ref: https://securecloud.blog/2022/04/27/azure-monitor-malicious-kql-query/'
'This hunting query looks for hosts that have attempted to interact with the Discord CDN. This activity is not normally invoked from the command line and could indicate C2, exfiltration, or malware delivery activity.'
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.
'The hunting query looks for suspicious files accessed on a IIS server that might indicate exfiltration hosting. This technique has been observed when exporting mailbox files from OWA servers.'
Detects an initiated network connection by a non-browser process on the system to "azurewebsites.net". This domain has been frequently used by threat actors for malware hosting and data exfiltration. The rule filters out connections made by common web browsers and other legitimate applications to reduce false positives.
This rule detects suspicious usage of the 'curl' command on Linux systems that indicates a file upload or data transfer to a web service. It specifically looks for the 'curl' executable being run with command-line arguments such as '--form', '--upload-file', '--data', or their variations ('--data-ascii', '--data-binary', '--data-raw', '--data-urlencode'), or the shorthand options '-F', '-T', '-d'. The rule filters out connections to localhost or 127.0.0.1 to reduce false positives from legitimate local development or testing activities.
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