Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
18,128 detections
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Detects the use of the Windows command shell (cmd.exe) to execute a file deletion command following a forced delay using the 'choice' command. This technique is often used by adversaries to facilitate file deletion by introducing a pause, possibly to bypass file locks or to time execution during an intrusion.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects the execution of a file with a '.Psh' extension named 'UBPPatch.Psh' that is launched by the process 'UBPUpdater.Exe'. This behavior is indicative of a masqueraded script execution where a suspicious binary or script is disguised with an unconventional extension to evade standard detection mechanisms.
Detects high-privilege IAM roles (roles/owner, roles/resourcemanager.organizationAdmin) being granted at the GCP organization level. This activity is indicative of the ConfigConfusion attack, where a low-privilege user exploits a Kubernetes ConfigConnector (KCC) controller's high-privilege service account to perform unauthorized IAM modifications.
Detects a specific loader sequence associated with the DarkMe malware/Water Hydra threat actor. The rule monitors for the execution of rundll32.exe with the /sta flag and a specific CLSID, followed by the presence or execution of targeted applications (cryptocurrency wallets, password managers, and system utilities) within a 15-minute timeframe. This sequence is indicative of the malware enumerating potential targets on the infected host before proceeding with malicious activity.
Detects execution of potentially malicious scripts (a2.cmd) or unusual DLL loading behavior via rundll32.exe. This activity is often associated with staging or executing malicious payloads using non-standard naming conventions.
Detects the drop and execution of the AvisLoader rootkit component, hmn_hook.dll. The rule identifies suspicious file drops in non-standard, user-writable directories (e.g., AppData, Temp) that are not associated with legitimate installers, as well as the loading of unsigned or non-Microsoft-signed versions of the DLL accompanied by hook-related process arguments such as HMN_HideStart or NtQuerySystemInformation.
Detects the drop and execution of the AvisLoader rootkit component, hmn_hook.dll. The rule identifies suspicious file drops in non-standard, user-writable directories (e.g., AppData, Temp) that are not associated with legitimate installers, as well as the loading of unsigned or non-Microsoft-signed versions of the DLL accompanied by hook-related process arguments such as HMN_HideStart or NtQuerySystemInformation.
Matches known SHA-256 hashes of AvisLoader toolkit components recovered from an exposed staging server: the Windows loader client, UAC-bypass helper, and process-hiding DLL
Matches known SHA-256 hashes of AvisLoader toolkit components recovered from an exposed staging server: the Windows loader client, UAC-bypass helper, and process-hiding DLL
Detects AvisLoader Windows loader requiring both decoy non-executable packer-named sections and an embedded c-toxcore developer build path to co-occur in a valid PE
Detects AvisLoader Windows loader requiring both decoy non-executable packer-named sections and an embedded c-toxcore developer build path to co-occur in a valid PE
Detects AvisLoader Windows loader requiring both decoy non-executable packer-named sections and an embedded c-toxcore developer build path to co-occur in a valid PE
Detects outbound HTTPS connections to major generative AI inference endpoints originating from non-browser, non-development tool processes at regular intervals. This activity is indicative of beaconing behavior, where malware (specifically families like LAMEHUG) leverages LLM APIs for dynamic command generation, payload obfuscation, or C2 instruction retrieval, bypassing traditional security controls.
Detects ZIP archives exceeding 100MB that contain specific DLL filenames often used for junk-padding to evade sandbox analysis. This technique is observed in brand-impersonation campaigns targeting users with fake security or authentication software lures.
Detects successful administrative logins to VMware ESXi, vCenter, or related VDI infrastructure (Horizon) by users who have recently performed a password or MFA reset. This pattern is indicative of a helpdesk-based social engineering attack (vishing) or credential compromise where the attacker regains account access and immediately pivots to critical virtualization management infrastructure to facilitate ransomware deployment.
Detects successful administrative logins to VMware ESXi, vCenter, or related VDI infrastructure (Horizon) by users who have recently performed a password or MFA reset. This pattern is indicative of a helpdesk-based social engineering attack (vishing) or credential compromise where the attacker regains account access and immediately pivots to critical virtualization management infrastructure to facilitate ransomware deployment.
Detects instances where an account assigned a help-desk or support role performs an MFA, password, or credential reset on an account tagged as an executive or VIP. This behavior is indicative of social engineering and help-desk impersonation attacks commonly utilized by threat actors to perform rogue MFA takeovers.
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