Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects suspicious command-line activity indicative of process injection techniques. It looks for the presence of API calls like 'VirtualAlloc', 'WriteProcessMemory', and 'CreateRemoteThread' in conjunction with keywords such as '.dll', '.exe', or 'shellcode' within Security Event ID 4688 (a process creation event). A count of two or more such occurrences within an hour for a given computer and user triggers an alert.
Detects the creation of a mutex with a specific pattern used by the MonsterV2 malware, a sophisticated RAT, loader, and stealer.
This rule detects suspicious command-line activity indicative of process injection techniques. It looks for the presence of API calls like 'VirtualAlloc', 'WriteProcessMemory', and 'CreateRemoteThread' in conjunction with keywords such as '.dll', '.exe', or 'shellcode' within Security Event ID 4688 (a process creation event). A count of two or more such occurrences within an hour for a given computer and user triggers an alert.
This rule detects attempts to access or dump the Local Security Authority Subsystem Service (LSASS) process memory or the NTDS.dit file, which can contain sensitive credential information. It specifically looks for Security Event ID 4656 (handle to an object was requested) where the target object is 'lsass.exe', 'lsass.bin', or 'ntds.dit', with specific access masks ('0x1fffff' or '0x1410'), and excludes common system accounts. A high count of such access attempts within an hour from a non-system user triggers the alert.
This rule detects potential process injection attempts by monitoring Windows Security Event ID 4688 (A new process has been created) for specific keywords in the command line. The keywords 'CreateRemoteThread', 'WriteProcessMemory', 'VirtualAllocEx', 'SetWindowsHookEx', and 'LoadLibrary' are commonly associated with various process injection techniques. The rule summarizes these attempts by computer, user, and hourly intervals.
Correlates the PowerShell process allocating virtual memory with PAGE_EXECUTE_READWRITE permissions, setting up the memory space for process hollowing.
Detects the Komari agent spawning svchost.exe in a suspended state (no arguments) and writing memory into it to hide malicious execution. The rule identifies svchost.exe processes launched without the '-k' argument (indicating a suspended state) and then correlates these launches with subsequent 'WriteProcessMemoryApiCall' events targeting the same process within a one-minute window.
Detects process injection telemetry targeting spoolsv.exe followed by an unusual svchost child or related launch from the same initiating process. The condition requires the reported SprySOCKS component, path, or execution relationship rather than a common Windows artefact alone.
This rule detects attempts to access or dump the Local Security Authority Subsystem Service (LSASS) process memory or the NTDS.dit file, which can contain sensitive credential information. It specifically looks for Security Event ID 4656 (handle to an object was requested) where the target object is 'lsass.exe', 'lsass.bin', or 'ntds.dit', with specific access masks ('0x1fffff' or '0x1410'), and excludes common system accounts. A high count of such access attempts within an hour from a non-system user triggers the alert.
Detects non-system processes attempting to open a handle to the LSASS process with read or virtual memory read access. This activity is indicative of credential dumping, a technique often used by adversaries like MuddyWater after gaining initial access, for example, through social engineering.
This rule detects potential process injection attempts by monitoring Windows Security Event ID 4688 (A new process has been created) for specific keywords in the command line. The keywords 'CreateRemoteThread', 'WriteProcessMemory', 'VirtualAllocEx', 'SetWindowsHookEx', and 'LoadLibrary' are commonly associated with various process injection techniques. The rule summarizes these attempts by computer, user, and hourly intervals.
Detects common Windows API function names associated with process injection in command lines.
Detects ptrace access to securityd process memory for credential extraction
Detects execution of tools known to manipulate Windows access tokens
Detects thread hijacking using SuspendThread and SetThreadContext
Detects execution of tools known to manipulate Windows access tokens
Detects thread hijacking using SuspendThread and SetThreadContext
Detects delivery of process injection toolkit payloads via network
Detects Linux ptrace system call abuse for process injection
Detects process argument spoofing techniques to hide true command line from forensics
Detects EWM injection using SetWindowLongPtr API for code execution
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