Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
391 detections
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Detects instances where a process running as 'root' modifies files within an Acronis-related directory. This specifically alerts when the modifying process is not identified as a known, authorized Acronis backup service, potentially indicating unauthorized tampering with backup archives or configuration files.
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 a process that has established a connection to the Telegram Bot API subsequently performing a large volume of file deletions across multiple folders within a 15-minute window. This behavior is indicative of a remote-controlled destructive attack, such as the deployment of a wiper malware (e.g., HEAVYGRAM or CHOSEN BRICK) triggered via Telegram C2 commands.
Detects a process that has established a connection to the Telegram Bot API subsequently performing a large volume of file deletions across multiple folders within a 15-minute window. This behavior is indicative of a remote-controlled destructive attack, such as the deployment of a wiper malware (e.g., HEAVYGRAM or CHOSEN BRICK) triggered via Telegram C2 commands.
Detects a process that has established a connection to the Telegram Bot API subsequently performing a large volume of file deletions across multiple folders within a 15-minute window. This behavior is indicative of a remote-controlled destructive attack, such as the deployment of a wiper malware (e.g., HEAVYGRAM or CHOSEN BRICK) triggered via Telegram C2 commands.
Detects a process that has established a connection to the Telegram Bot API subsequently performing a large volume of file deletions across multiple folders within a 15-minute window. This behavior is indicative of a remote-controlled destructive attack, such as the deployment of a wiper malware (e.g., HEAVYGRAM or CHOSEN BRICK) triggered via Telegram C2 commands.
Detects rapid, non-interactive ransomware-like behavior characterized by system reconnaissance followed by automated bulk file deletion of model/data files (e.g., .ckpt, .pt). The rule identifies campaigns where discovery, lateral movement or automated execution, and destructive impact occur within a 3-hour window without any interactive user login evidence.
Detects unauthorized database activity targeting Nacos configuration tables, characterized by the use of MySQL's AES_ENCRYPT function to encrypt records, followed by the deletion of original table data or the issuance of a ransom demand. This behavior is indicative of extortion attempts or agentic ransomware targeting web application backends.
Detects potential database-native ransomware activity by identifying the use of MySQL encryption functions (AES_ENCRYPT) to encrypt records followed by the execution of DROP TABLE commands. This pattern is consistent with extortion techniques where attackers encrypt internal database data and remove original tables.
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 rapid, non-interactive ransomware-like behavior characterized by system reconnaissance followed by automated bulk file deletion of model/data files (e.g., .ckpt, .pt). The rule identifies campaigns where discovery, lateral movement or automated execution, and destructive impact occur within a 3-hour window without any interactive user login evidence.
Detects potential abuse of Microsoft Defender’s BTR boot-time remediation driver by correlating known driver loads with BootClean.log activity, unexpected loader processes, and driver execution outside normal Defender paths.
The following analytic detects the execution of a Unix shell command designed to wipe root directories on a Linux host.
It leverages data from Endpoint Detection and Response (EDR) agents, focusing on the 'rm' command with the '--no-preserve-root' option.
This activity is significant as it indicates potential data destruction attempts, often associated with malware like Awfulshred.
If confirmed malicious, this behavior could lead to severe data loss, system instability, and compromised integrity of the affected Linux host.
Immediate investigation and response are crucial to mitigate potential damage.
It leverages data from Endpoint Detection and Response (EDR) agents, focusing on the 'rm' command with the '--no-preserve-root' option.
This activity is significant as it indicates potential data destruction attempts, often associated with malware like Awfulshred.
If confirmed malicious, this behavior could lead to severe data loss, system instability, and compromised integrity of the affected Linux host.
Immediate investigation and response are crucial to mitigate potential damage.
Detects the use of the Windows 'diskpart' utility combined with a script or command execution containing 'clean all', which performs a destructive multi-pass overwrite of disk data structures to render it irrecoverable. This behavior is typically associated with malicious data destruction or wiping activities.
Detects the use of reg.exe to modify a Windows Run registry key to execute a destructive 'format C:' command upon system startup, indicative of wiper-style malware activity.
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