Detectors

Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.

131 detectors match the current filters. tactic: TA0003 ✕

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Type Name Severity Module Data source / event ATT&CK
Analytics BIOC A browser extension was installed or loaded in an uncommon way A browser extension was installed or loaded in an uncommon way. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC A contained executable was executed by an unusual process A Docker-contained executable from a mounted share was executed on a host. Running a contained executable is highly dangerous and atypical. Medium Platform Analytics XDR Agent Privilege Escalation, Persistence
Analytics BIOC A process modified an SSH authorized_keys file A process modified an SSH authorized_keys file, which is used in SSH authentication. An attack can add or remove an SSH key to gain access to a targeted host. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC A rare DLL, signed by an uncommon vendor, was hijacked into a Microsoft process A signed DLL was loaded into a Microsoft-signed process. This DLL hash and signature vendor are rare, which might indicate an attacker performing DLL hijacking. Informational Platform Analytics XDR Agent Persistence, Privilege Escalation, Defense Evasion
Analytics BIOC A rare file path was added to the AppInit_DLLs registry value A rare file path was added to AppInit_DLLs registry value. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Privilege Escalation
Analytics BIOC A WMI subscriber was created A WMI subscriber was created. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Privilege Escalation
BIOC Account creation via command-line tool The useradd/adduser command could be used to create user accounts or to add users to existing groups. Informational Platform Analytics Process execution Persistence
BIOC Active Setup Registry Autostart Suspicious modification of the active setup registry for persistence and privilege escalation. Low Platform Analytics Registry Persistence
Analytics An executable was written and executed by a web server Web server process had written an executable file that was executed shortly after. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC An uncommon file added to startup-related Registry keys An attacker may add a file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC An uncommon file was created in the startup folder An uncommon file was created in the startup folder. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC An uncommon lolbin execution by scheduled task A lolbin was executed with uncommon commandline by a scheduled task. Informational Platform Analytics XDR Agent Persistence
Analytics BIOC An uncommon service was started An uncommon service was started using systemctl or service processes. Low Platform Analytics XDR Agent Persistence, Privilege Escalation
Analytics An unsigned process created scheduled task and performed an injection An unsigned process created scheduled task and performed an injection. Medium Platform Analytics XDR Agent Persistence, Defense Evasion
Analytics BIOC Autorun.inf created in root C drive An autorun file installed at the root of a C:\ drive is suspicious, as autorun files are typically associated with removable drives. Medium Platform Analytics XDR Agent Persistence, Lateral Movement
Analytics BIOC Bitsadmin.exe persistence using command-line callback BITSAdmin.exe was used with a command-line that may indicate malware trying to gain persistence on the machine. Medium Platform Analytics XDR Agent Persistence
BIOC Bitsadmin.exe used to download data Some attacks were known for abusing BITSAdmin in the past to hide how data was downloaded using legitimate Windows tools. Informational Platform Analytics Process execution Persistence
Analytics BIOC Browser Extension Installed Uncommon browser extension installed. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Correlation Rule Chrome - Chrome Extension Install Event The extension $xdm.target.resource.name was installed on $xdm.source.host.hostname by $xdm.intermediate.user.username Low Platform Analytics google_workspace_chrome_raw Persistence
BIOC Chrome runs with key security features disabled This chrome process ran with command line arguments that disabled key security features disabled. It can have legitimate uses, but this technique is often used by malware to load malicious or untrusted browser extensions. Low Platform Analytics Process execution Persistence
BIOC Commonly abused host process modifies the Windows shim cache Has legitimate usage for Microsoft patches, but check for malicious execution for persistence. Known FIN7/Carbanak technique. Informational Platform Analytics Process execution Persistence
BIOC Creation of a new Microsoft Office default template Microsoft Office contains default templates that open whenever you start Word or Excel. Attackers may create them to establish persistence. Informational Platform Analytics File Persistence
Analytics BIOC Executable or Script file written by a web server process An uncommon executable or script file was created, written, or renamed by a web server process. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Initial Access, Persistence
Analytics BIOC Execution of an uncommon process at an early startup stage Uncommon execution of an executable found in an early startup stage. Informational Platform Analytics XDR Agent Persistence
Analytics BIOC Execution of an uncommon process at an early startup stage by Windows system binary Uncommon execution of an executable found in an early startup stage by Windows system binary. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Execution of an uncommon process with a local/domain user SID at an early startup stage Execution of an uncommon process with a local/domain user SID at an early startup stage may be an indication of a persistent mechanism on boot that is being actively abused. Informational Platform Analytics XDR Agent Persistence
Analytics BIOC Globally uncommon injection from a signed process A signed process injected into another process that it does not normally target at a global level. Informational Platform Analytics XDR Agent Defense Evasion, Persistence
Analytics BIOC Image file execution options (IFEO) registry key set Attackers may use the Image File Execution Options Registry key to launch their executable whenever the user attempts to execute a certain executable. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Privilege Escalation, Persistence
Analytics BIOC Installation of a new System-V service Installation of a new System-V service. Low Platform Analytics XDR Agent Persistence, Privilege Escalation
BIOC Kernel modules loaded via command-line tool The insmod/depmod command loads a kernel module; attackers may use kernel modules as rootkits. Informational Platform Analytics Process execution Persistence
BIOC Kernel modules loaded via compiled loader and .ko file Instead of using insmod/depmod, an attacker can build a loader and load a kernel module; attackers may use kernel modules as rootkits. Informational Platform Analytics Process execution Persistence
Analytics BIOC Known service display name with uncommon image-path Service created with a known display name but has an uncommon image-path. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Execution
Analytics BIOC Known service name with an uncommon image-path A Service with a known service name has an uncommon image-path. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Execution
BIOC Manipulation of 'BootExecute' Registry run key Smss.exe will launch anything present in the BootExecute Registry key under HKLM\SYSTEM\ControlSet002\Control\Session Manager. The BootExecute key should only contain "autocheck autochk*". If there are additional values in it, they are probably used for malware persistence. Informational Platform Analytics Registry Persistence
BIOC Manipulation of AppInit DLL loading list The AppInit DLLs Registry key contains a list of DLLs that will be loaded when user32.dll is loaded. As most Windows executables use the user32.dll, any DLL that is listed in the AppInit_DLLs Registry key will be loaded also. The user32.dll file is also used by processes that are automatically started by the system when you log on. Informational Platform Analytics Registry Persistence
BIOC Manipulation of Application Verifier custom providers The Application Verifier assists developers in quickly finding subtle programming errors that can be extremely difficult to identify with normal application testing. Using Application Verifier in Visual Studio makes it easier to create reliable applications by identifying errors caused by heap corruption, incorrect handle and critical section usage. Changing the providers could change handling. An attacker can use this ability to inject a custom verifier into any application. Once the custom verifier has been injected, the attacker now has full control over the application. Informational Platform Analytics Registry Persistence
BIOC Manipulation of autostart related system files May be used as a malware persistence technique, as these files have relevancy to the startup routine of Windows. Informational Platform Analytics File Persistence
BIOC Manipulation of default file association configuration When a file is opened, the default program used to open the file, its handler, is checked. File association selections are stored in the Windows Registry and can be edited by users. Malware can modify or create a file association for a given file extension to call another program when a given extension is opened. Informational Platform Analytics Registry Persistence
BIOC Manipulation of default file extension configuration Alerts when a handler of a known file extension is modified. Applicable to EXE, DLL, SYS, PS1, BAT, CMD, ZIP and LNK extensions. Low Platform Analytics Registry Persistence
BIOC Manipulation of Firefox plugins and extensions via the Registry Plugins and extensions are loaded from all of these Registry keys. Medium Platform Analytics Registry Persistence
Analytics BIOC Manipulation of netsh helper DLLs Registry keys Registering netsh helper DLLs is uncommon, and could be used by malware for persistence. Medium Platform Analytics XDR Agent Persistence
BIOC Manipulation of service imagepath configuration This key specifies the location of the executable file for the driver or service. Malicious executables might be installed in these paths. Informational Platform Analytics Registry Persistence
BIOC Manipulation of the MonitorProcess Registry key Entries added under the Registry key HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SilentProcessExit can be used to run malicious code and help attackers gain persistence. Medium Platform Analytics Registry Persistence
BIOC Manipulation of Winlogon 'Notify' autostart Registry key Since Winlogon handles the Secure Attention Sequence (SAS) (Ctrl+Alt+Del), notify subkeys found at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify are used to notify event handles when SAS happens and load a DLL. This DLL can be edited to launch whenever such a SAS event occurs. Informational Platform Analytics Registry Persistence
BIOC Manipulation of Winlogon 'UserInit' autostart Registry key Winlogon process uses the value specified in the UserInit key to launch login scripts etc. This key is location at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon. Usually, UserInit key points to userinit.exe but if this key can be altered, then that EXE will also launch by Winlogon. Medium Platform Analytics Registry Persistence
Analytics BIOC Microsoft Office adds a value to autostart Registry key Microsoft Office adds a value to a registry entry (run keys, startup folders) to establish persistence. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
BIOC Modification of default Windows startup path via Registry An attacker may modify the startup path to the location of the malware. Informational Platform Analytics Registry Persistence
BIOC Modification of logon scripts via Registry Windows logon scripts are stored in ``HKCU\Environment\UserInitMprLogonScript`` and trigger when a user logs in. Attackers may abuse them for persistence. Medium Platform Analytics Registry Persistence
Analytics BIOC Modification of PAM Modification of PAM configuration files. Informational Platform Analytics XDR Agent Persistence, Defense Evasion, Credential Access
BIOC Modification of systemd service files An attacker may create or modify systemd service unit files to establish persistence between reboots. Informational Platform Analytics File Persistence
BIOC Modification of the Winlogon\Shell Registry key Malware may modify the Winlogon\Shell Registry value to load itself instead of explorer.exe, which is the default system shell. Informational Platform Analytics Registry Persistence
BIOC Multiple RDP sessions enabled via Registry Attackers may allow multiple RDP sessions, so they could access the machine at the same time the user does. Medium Platform Analytics Registry Persistence, Lateral Movement
BIOC New entry added to startup related Registry keys by unsigned process Entries added to the "Run Keys" in the Registry or the startup folder will cause the program to be executed when the user logs in. The program will be executed in the context of the user and will have his permissions level. Informational Platform Analytics Registry Persistence
BIOC New local user created via PowerShell command line Attackers may create new local users to persist access to machines. Medium Platform Analytics Process execution Persistence
BIOC New service created via command line Attackers may leverage services to gain persistence on an endpoint. Informational Platform Analytics Process execution Persistence
Analytics BIOC Office process accessed an unusual .LNK file An attacker may embed a .LNK file in an Office document to execute malicious code. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Execution, Persistence
BIOC Persistence through service registration An attacker may add or modify system services to persist on a host. Informational Platform Analytics File Persistence
BIOC Persistence using bashrc files Possible persistency using shell (bash\csh) profile files. Commands in ~/.bashrc are executed on every new shell execution. Informational Platform Analytics File Persistence
BIOC Persistence using cron jobs Cron jobs are tasks to be executed sometime in the future, and could be used to persist malware. Informational Platform Analytics File Persistence
BIOC Persistence via Registry screensaver key change Attackers may install their malware persistently by modifying the value of the screensaver Registry key. Informational Platform Analytics Registry Persistence
Analytics BIOC Phantom DLL Loading An attacker might leverage existing processes missing module loads to load malicious code into trusted processes. Medium Platform Analytics XDR Agent Persistence
BIOC Port Monitor added in Registry Adversaries may use port monitors to run an adversary-supplied DLL during system boot for persistence or privilege escalation. Low Platform Analytics Registry Persistence
Analytics BIOC Possible DLL Hijack into a Microsoft process An unsigned DLL was loaded into a Microsoft signed process. This DLL name is usually signed by Microsoft, which might indicate an attacker performing DLL Hijacking. Informational Platform Analytics XDR Agent Persistence, Privilege Escalation, Defense Evasion
Analytics BIOC Possible DLL Search Order Hijacking An attacker might abuse the Windows DLL search order to trigger known, signed processes to load the attacker's malicious module. Low Platform Analytics XDR Agent Persistence, Privilege Escalation, Defense Evasion
Analytics BIOC Possible Persistence via group policy Registry keys Group Policy registry keys were read during system startup. This behavior may indicate a persistence mechanism that triggers on reboot to execute malicious code. Medium Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
BIOC Possible web shell command execution Possible command execution via a web shell for reconnaissance. Informational Platform Analytics Process execution Persistence
Analytics BIOC Possible webshell file written by a web server process An uncommon file with a web file extension was created, written or renamed by a web server process. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Initial Access, Persistence
BIOC Possible XDG autostart persistency Possible persistency gained by writing or creating a desktop file inside the xdg autostart directory. Informational Platform Analytics File Persistence
BIOC Potential web shell installation A web-app script file was installed on a web server. This can indicate an installation of web shell. Informational Platform Analytics File Persistence
BIOC PowerShell creates a new service PowerShell creates a new service via a command line. This can be used by attackers to be persistent on a machine. Low Platform Analytics Process execution Persistence
BIOC PowerShell downloads files via BITS This PowerShell argument is often used to run commands with malicious intent. Medium Platform Analytics Process execution Persistence
BIOC Print Processor Registration Adversaries may abuse print processors to run malicious DLLs during system boot that will be executed as SYSTEM for privilege escalation and/or persistence. Low Platform Analytics Registry Persistence
BIOC Print spooler set to load new DLL on boot Malware can use this technique to load malicious code at startup that will persist on system reboot. This DLL must be located in C:\Windows\System32 and will be loaded by the print spooler service, spoolsv.exe, on boot. A port monitor can be set through the AddMonitor API. Informational Platform Analytics Registry Persistence
Analytics Rare access to known advertising domains The endpoint performed many connections to unpopular advertising domains. This could indicate the presence of adware on the endpoint. Informational Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Command and Control, Persistence
Analytics BIOC Rare scheduled task created A new rare scheduled task was created with a rare path and a rare command line. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC Rare Scheduled Task RPC activity The endpoint performed abnormal Scheduled Task RPC activity to a remote host. Informational Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent with eXtended Threat Hunting (XTH) Lateral Movement, Persistence
Analytics BIOC Rare Scheduled Task RPC activity from a rarely seen host The endpoint performed abnormal Scheduled Task RPC activity to a remote host. Low Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent with eXtended Threat Hunting (XTH) Lateral Movement, Persistence
Analytics BIOC Rare service DLL was added to the registry A service was added as a dll, which will be executed by svchost.exe. This is a stealthy technique attackers use to persist their malware. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Defense Evasion, Persistence
Analytics BIOC Rare unsigned process execution by scheduled task Rare and unsigned process was executed by a scheduled task. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Scrcons.exe Rare Child Process The Windows Management Instrumentation (WMI) standard event consumer scrcons.exe executed a rare VBScript or PowerShell script. Executing a rare script can be an indication of local or remote code execution abuse by an attacker. Informational Platform Analytics XDR Agent Execution, Persistence
Analytics BIOC Screensaver process executed from Users or temporary folder An executable file with a screensaver extension was executed from the Users or temp folder. This is not a common behavior for screensavers and may indicate a malicious file disguised as a screensaver in the Users or temp folder. It is recommended to further investigate the execution flow for malicious indicators. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Script file added to startup-related Registry keys An attacker may add a script file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in. Medium Platform Analytics XDR Agent Persistence
Analytics BIOC SecureBoot was disabled SecureBoot was disabled, this might be indicative of someone trying to install an alternate non-UEFI supported OS. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC Setting Windows Auto Logon by uncommon process Setting Windows Auto Logon by uncommon process. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
BIOC Shim database file access An attacker may install a malicious SDB (shim database) file on disk for privilege escalation and persistence. Informational Platform Analytics File Persistence, Privilege Escalation
BIOC Shim database registration via Registry Application shim databases may be leveraged for privilege escalation and persistence, and can be installed by modifying the Registry. Informational Platform Analytics Registry Persistence
Analytics BIOC Signed process creates a scheduled task via file access A signed process created a scheduled task via file access. Attackers may create scheduled tasks for execution and to establish persistence. Informational Platform Analytics XDR Agent Execution, Persistence
Analytics BIOC Suspicious active setup registered The endpoint registered a new active setup, which may be used to gain persistence on the host by loading libraries into the time management service. Informational Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence
Analytics BIOC Suspicious authentication package registered The endpoint registered a suspicious authentication package, which may be used to gain persistence on the host by loading libraries into the time management service. Medium Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious container orchestration job A suspicious orchestration job ran with a rare command line. Low Platform Analytics XDR Agent Execution, Persistence, Privilege Escalation
Analytics BIOC Suspicious HTTP parameters detected The endpoint received suspicious HTTP parameters via an HTTP request, which may indicate attempts to exploit server components or web shell activity. Medium Platform Analytics Palo Alto Networks Firewall EAL Logs, XDR Agent Initial Access, Persistence
Analytics BIOC Suspicious print processor registered The endpoint registered a new print processor, which may be used to gain persistence on the host by loading libraries into the time management service. Medium Platform Analytics XDR Agent Persistence
BIOC Suspicious printer driver installation A suspicious process installed a generic printer driver. This may be a sign of CVE-2020-1048, in which an attacker attempts to overwrite a file on the OS. Low Platform Analytics Registry Privilege Escalation, Persistence
BIOC Suspicious printer port creation via Registry An attacker may create a print job that prints to a file, overwriting any file on the OS (CVE-2020-1048). Medium Platform Analytics Registry Privilege Escalation, Persistence
Analytics BIOC Suspicious process modified RC script file A suspicious process modified an RC script file. These files allow system administrators to map and start custom services at startup for different run levels. This may be done to establish persistence. Low Platform Analytics XDR Agent with eXtended Threat Hunting (XTH) Persistence, Privilege Escalation
Analytics BIOC Suspicious RunOnce Parent Process Runonce.exe executes commands under the Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, typically on computer boot and user login events. Low Platform Analytics XDR Agent Persistence
Analytics BIOC Suspicious runonce.exe parent process Runonce.exe executes commands under the Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, typically on computer boot and user logon events. Low Platform Analytics XDR Agent Persistence
BIOC Suspicious SDB file written to disk Application Shims were created to allow backward compatibility of applications, which can be abused to establish persistence or elevate privileges. The creation of SDB (Shim Database) files may be indicative of this technique. Informational Platform Analytics File Persistence
BIOC Suspicious SDB file written to disk by an unsigned process Application Shims were created to allow backward compatibility of applications, which can be abused to establish persistence or elevate privileges. The creation of SDB (Shim Database) files by an unsigned process may be indicative of this technique. Informational Platform Analytics File Persistence
Analytics BIOC Suspicious systemd timer activity Suspicious systemd timer activity, which may indicate an attempt to establish persistence. Low Platform Analytics XDR Agent Execution, Persistence, Privilege Escalation