Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the use of native Windows utilities (vssadmin, wmic, wbadmin, bcdedit) to inhibit system recovery by deleting shadow copies, backup catalogs, or disabling automatic recovery features. This behavior is commonly observed in ransomware attacks.
Detects a sequence of suspicious activities on a Windows host aimed at inhibiting system recovery, such as deleting shadow copies, modifying boot recovery configurations, deleting backup catalogs, or stopping security and backup-related services. This rule aggregates distinct categories of these actions by DeviceId and Account to identify potential malicious intent characteristic of ransomware or data destructive attacks.
Detects a sequence of suspicious activities on a Windows host aimed at inhibiting system recovery, such as deleting shadow copies, modifying boot recovery configurations, deleting backup catalogs, or stopping security and backup-related services. This rule aggregates distinct categories of these actions by DeviceId and Account to identify potential malicious intent characteristic of ransomware or data destructive attacks.
Detects a sequence of suspicious activities on a Windows host aimed at inhibiting system recovery, such as deleting shadow copies, modifying boot recovery configurations, deleting backup catalogs, or stopping security and backup-related services. This rule aggregates distinct categories of these actions by DeviceId and Account to identify potential malicious intent characteristic of ransomware or data destructive attacks.
Detects the use of native Windows utilities (vssadmin, wmic, wbadmin, bcdedit) to delete volume shadow copies, clear backup catalogs, or disable system recovery features, which is a common behavior of ransomware before encrypting files.
Detects attempts by malicious software to inhibit system recovery by deleting Volume Shadow Copies. The rule monitors for the execution of vssadmin.exe with deletion flags or wmic.exe with shadowcopy deletion commands combined with non-interactive flags, which are common indicators of ransomware preparation.
Detects potential ransomware activity in AWS by identifying high volumes of S3 object encryption (using SSE-C or KMS) followed by the disabling or scheduled deletion of the associated KMS key material. This behavior aims to render data inaccessible to legitimate users while ensuring recovery is inhibited by destroying the cryptographic keys required for decryption.
Detects potential misuse of AI agentic frameworks (e.g., Semantic Kernel) where the host process executes destructive commands (e.g., file deletion, wiping, shadow copy deletion) or performs large-scale file deletion, which may indicate unauthorized tool invocation or compromised AI agents.
Detects the use of native Windows binaries such as vssadmin.exe, wmic.exe, bcdedit.exe, and wbadmin.exe to inhibit system recovery by deleting shadow copies, clearing backup catalogs, or disabling automatic system recovery.
This rule detects the use of native Windows utilities (vssadmin, wmic, wbadmin, bcdedit) to perform actions associated with ransomware, such as deleting volume shadow copies, deleting the backup catalog, or disabling system recovery features. This is a common precursor to data encryption to prevent the user from restoring files.
Detects a multi-stage attack pattern involving a non-MFA login to a Citrix portal, followed by lateral movement, and concluding with ransomware deployment behaviors such as shadow copy deletion, recovery disablement, or the dropping of ransom notes associated with ALPHV/BlackCat ransomware.
Detects a multi-stage attack pattern involving a non-MFA login to a Citrix portal, followed by lateral movement, and concluding with ransomware deployment behaviors such as shadow copy deletion, recovery disablement, or the dropping of ransom notes associated with ALPHV/BlackCat ransomware.
Detects a multi-stage attack pattern involving a non-MFA login to a Citrix portal, followed by lateral movement, and concluding with ransomware deployment behaviors such as shadow copy deletion, recovery disablement, or the dropping of ransom notes associated with ALPHV/BlackCat ransomware.
Detects a multi-stage attack pattern involving a non-MFA login to a Citrix portal, followed by lateral movement, and concluding with ransomware deployment behaviors such as shadow copy deletion, recovery disablement, or the dropping of ransom notes associated with ALPHV/BlackCat ransomware.
Detects the use of common administrative tools (vssadmin, wbadmin, wmic, bcdedit, etc.) to perform actions that inhibit system recovery. This includes deleting Volume Shadow Copies, deleting backup catalogs, disabling system recovery boot policies, and stopping backup-related services, which are common behaviors used by ransomware to prevent data restoration.
Detects anomalous mass file modification or renaming activity often associated with ransomware, combined with the deletion of Windows Volume Shadow Copies using native utilities like vssadmin or wmic, and the presence of suspicious ransom note filenames.
Detects the use of native Windows administration utilities (vssadmin, wbadmin, bcdedit, wmic) to delete volume shadow copies, backup catalogs, or disable system recovery configurations. The rule specifically monitors for patterns where these commands are executed across multiple hosts or in rapid succession by the same account, behavior frequently observed during the precursor stages of ransomware deployment, such as the ShinyHunters ShinySp1d3r campaign.
Detects attempts to delete Azure resource locks protecting Site Recovery or Backup services, followed by credential retrieval (ListKeys) within a one-hour window. This sequence pattern is a strong indicator of an adversary attempting to disable backup protection before potentially destroying data or exfiltrating keys.
This rule detects the execution of common Windows administration utilities (vssadmin.exe, wmic.exe, wbadmin.exe, bcdedit.exe) being used to delete Volume Shadow Copies, backup catalogs, or modify boot configuration data to disable automatic recovery. These actions are frequently performed by ransomware to prevent data restoration.
Detects the deletion of Windows Volume Shadow Copies using vssadmin.exe, wmic.exe, or PowerShell (WMI/CIM objects). This activity is commonly used by ransomware to prevent local data recovery by destroying shadow copy backups before encryption.
This rule detects the loading of the 'vsstrace.dll' module by processes that are not standard system processes or authorized software. The 'vsstrace.dll' is a library used by the Volume Shadow Copy Service (VSS). Unauthorized or unexpected processes loading this DLL may indicate an attempt to interact with or manipulate volume shadow copies, which is a common behavior for ransomware attempting to inhibit system recovery.
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