Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects high-volume deletion or recycling of files within OneDrive or SharePoint for a specific user, which may indicate malicious activity such as data destruction, ransomware, or unauthorized data exfiltration staging.
Detects high-volume deletion or recycling of files within OneDrive or SharePoint for a specific user, which may indicate malicious activity such as data destruction, ransomware, or unauthorized data exfiltration staging.
Detects high-volume deletion or recycling of files within OneDrive or SharePoint for a specific user, which may indicate malicious activity such as data destruction, ransomware, or unauthorized data exfiltration staging.
Detects bulk file deletion activities (three or more files deleted or moved to the recycle bin) within SharePoint or OneDrive by a specific user within a 30-minute window, which may indicate malicious activity or data destruction.
Detects bulk file deletion activities (three or more files deleted or moved to the recycle bin) within SharePoint or OneDrive by a specific user within a 30-minute window, which may indicate malicious activity or data destruction.
Detects bulk file deletion activities (three or more files deleted or moved to the recycle bin) within SharePoint or OneDrive by a specific user within a 30-minute window, which may indicate malicious activity or data destruction.
Detects high-frequency S3 object upload activity (PutObject/CompleteMultipartUpload) originating from the Rclone tool, a common indicator of potential data exfiltration to cloud storage.
Detects high-frequency S3 object upload activity (PutObject/CompleteMultipartUpload) originating from the Rclone tool, a common indicator of potential data exfiltration to cloud storage.
Detects high-frequency S3 object upload activity (PutObject/CompleteMultipartUpload) originating from the Rclone tool, a common indicator of potential data exfiltration to cloud storage.
Detects high-volume file deletion or modification activity within sanctioned cloud storage applications, monitored via Netskope. This behavior is indicative of potential ransomware, malicious bulk data destruction, or an insider threat attempting to sabotage data.
Detects sensitive files in cloud storage environments that have been shared publicly or with external entities, as identified by Netskope CASB (DLP) policies. This rule monitors for events where storage objects are assigned broad access permissions (e.g., 'public', 'anyone with link') in conjunction with DLP incident triggers.
Detects sensitive files in cloud storage environments that have been shared publicly or with external entities, as identified by Netskope CASB (DLP) policies. This rule monitors for events where storage objects are assigned broad access permissions (e.g., 'public', 'anyone with link') in conjunction with DLP incident triggers.
Detects high-volume file deletion or modification activity within sanctioned cloud storage applications, monitored via Netskope. This behavior is indicative of potential ransomware, malicious bulk data destruction, or an insider threat attempting to sabotage data.
This rule detects when a user (excluding service accounts) explicitly sets IAM permissions on a Google Cloud Storage bucket, potentially indicating unauthorized privilege escalation or modification of access controls to facilitate data exfiltration or persistence.
This rule detects unsuccessful attempts by human users to delete objects from Google Cloud Storage buckets that are protected by bucket-level retention policies. By filtering out service accounts, the rule specifically focuses on non-automated, human-initiated actions that violate data retention requirements.
Detects a high volume of file uploads (greater than 50) to OneDrive or SharePoint by a single user within a 5-minute window, potentially indicating bulk exfiltration of data.
This rule detects when sharing inheritance settings are modified in SharePoint. This could indicate an attempt to broaden access to sensitive information, a misconfiguration, or an attacker attempting to maintain access or exfiltrate data.
This rule detects when a single process account initiates a high volume (10 or more) of file move operations to folders associated with cloud storage services (e.g., 'cloud', 'dropbox', 'drive') within a one-hour window. This behavior could indicate data exfiltration or staging for exfiltration.
Detects high-frequency S3 PutObject requests that utilize Customer-Provided Encryption Keys (SSE-C). A high count of such operations within a short window can be indicative of ransomware activity, where an adversary encrypts data within the victim's cloud storage using their own keys to prevent access by the owner.
Detects rapid deletion and recreation of cloud storage buckets (S3 or Azure Storage) within a short timeframe (60 seconds). This behavior is often indicative of an attempt to hijack a bucket name or gain unauthorized access to data by exploiting race conditions or misconfigurations in infrastructure management.
Detects the modification of an Azure Storage account's encryption settings to use a Key Vault for Customer-Managed Keys (CMK). This activity can be indicative of ransomware attacks where adversaries switch to an attacker-controlled key and then delete it, rendering all data in the storage account inaccessible.
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