Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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Detects a suspicious sequence of interactive sign-ins to Microsoft management and profile-related applications from unmanaged devices occurring within a tight 15-minute window. This behavior is indicative of post-compromise activity, potentially associated with activity clusters such as UNC6671, where an attacker interacts with account settings shortly after compromising a session.
Detects a suspicious sequence of interactive sign-ins to Microsoft management and profile-related applications from unmanaged devices occurring within a tight 15-minute window. This behavior is indicative of post-compromise activity, potentially associated with activity clusters such as UNC6671, where an attacker interacts with account settings shortly after compromising a session.
This rule monitors network connections, DNS resolutions, and email URLs to detect traffic communicating with a known adversary-in-the-middle (AiTM) phishing infrastructure panel. By correlating security logs, DNS events, and email URL data against this specific indicator of compromise, it identifies potential interaction with phishing sites designed to capture credentials or session tokens.
Detects anomalous, high-volume search query activity across multiple SharePoint sites or OneDrive locations, potentially indicating an adversary performing broad data discovery or enumeration across an organization's cloud document repositories.
Detects anomalous, high-volume search query activity across multiple SharePoint sites or OneDrive locations, potentially indicating an adversary performing broad data discovery or enumeration across an organization's cloud document repositories.
Detects anomalous, high-volume search query activity across multiple SharePoint sites or OneDrive locations, potentially indicating an adversary performing broad data discovery or enumeration across an organization's cloud document repositories.
Detects anomalous, high-volume search query activity across multiple SharePoint sites or OneDrive locations, potentially indicating an adversary performing broad data discovery or enumeration across an organization's cloud document repositories.
This rule monitors Office 365 activity for anomalous search behavior, specifically targeting high volumes of distinct search queries involving site collections, web structures, or index ID patterns. Such patterns are indicative of automated data discovery or enumeration activities performed against SharePoint or OneDrive environments.
This rule monitors Office 365 activity for anomalous search behavior, specifically targeting high volumes of distinct search queries involving site collections, web structures, or index ID patterns. Such patterns are indicative of automated data discovery or enumeration activities performed against SharePoint or OneDrive environments.
This rule monitors Office 365 activity for anomalous search behavior, specifically targeting high volumes of distinct search queries involving site collections, web structures, or index ID patterns. Such patterns are indicative of automated data discovery or enumeration activities performed against SharePoint or OneDrive environments.
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