Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects unauthorized attempts to dump the memory of the Local Security Authority Subsystem Service (LSASS) process. It monitors for common post-exploitation tools (such as procdump, mimikatz, nanodump, and sqldumper) or built-in Windows techniques (using rundll32.exe with comsvcs.dll) that are typically used to extract sensitive credential material from process memory.
Detects attempts to create a memory dump of the Local Security Authority Subsystem Service (LSASS) using either the built-in 'comsvcs.dll' library via 'rundll32.exe' or by requesting specific sensitive process access rights to 'lsass.exe' from unauthorized processes.
Detects the use of the built-in Windows utility rundll32.exe to execute comsvcs.dll with the MiniDump command to dump the memory of the Local Security Authority Subsystem Service (LSASS) process. This is a common technique used by attackers to harvest credentials from memory.
Detects credential-dumping modules (such as nanodump, hashdump, and lsadump variants) associated with AdaptixC2 framework being invoked or used by the 'mscopilot.exe' process. The rule monitors for command-line arguments indicating credential extraction, unauthorized attempts to open handle to lsass.exe, and access to sensitive registry hives (SAM, Security, LSA) by the suspect process.
Detects unauthorized processes attempting to open handles to the Local Security Authority Subsystem Service (lsass.exe) with sensitive access rights (e.g., PROCESS_VM_READ, PROCESS_QUERY_INFORMATION). These access patterns are frequently utilized by credential dumping tools like Mimikatz, ProcDump, or malicious abuse of system utilities to extract plaintext passwords or NTLM hashes from memory.
This rule detects unauthorized or suspicious processes attempting to access the memory of the Local Security Authority Subsystem Service (LSASS). It specifically targets memory access (EventID 10) with sensitive access masks (e.g., PROCESS_QUERY_LIMITED_INFORMATION, PROCESS_VM_READ) originating from processes executing from suspicious locations such as Temp, AppData, Downloads, or randomly generated executable names. This method is often used by modern credential dumpers, such as those utilizing direct or indirect syscalls, to bypass userland security hooks.
Detects the use of Mimikatz 'sekurlsa::pth' command for credential manipulation, or the occurrence of SMB/Windows administrative share access (ADMIN$, C$) potentially indicating lateral movement activities.
Detects a process obtaining handle access to the LSASS process (Sysmon Event ID 10) followed by the creation of a file (Sysmon Event ID 11) using an extension other than '.dmp'. This behavior is characteristic of adversaries attempting to obfuscate credential dumping activities by bypassing simple extension-based detection rules.
Detects unauthorized attempts to dump credentials from the Local Security Authority Subsystem Service (LSASS) process. This includes the execution of known credential-harvesting tools (e.g., Mimikatz, LaZagne, pypykatz), the use of system utilities like procdump and comsvcs.dll to dump process memory, and anomalous direct handle access to lsass.exe by non-system processes. This activity is associated with Storm-2570 post-compromise tradecraft.
Detects a credential-theft pattern associated with Psychedelic Stealer where a process accesses the 'Login Data' file of common Chromium-based browsers, followed shortly by a network connection to a known stealer exfiltration API endpoint.
Detects attempts to access or dump the memory of the Local Security Authority Subsystem Service (LSASS) process, a technique commonly used by adversaries to harvest domain credentials and clear-text passwords from memory.
Detects unauthorized processes attempting to open handles to the Local Security Authority Subsystem Service (LSASS) process with access rights consistent with credential dumping (e.g., PROCESS_VM_READ, PROCESS_ALL_ACCESS). This rule also specifically flags the use of well-known tools and techniques such as Mimikatz, ProcDump, and the abuse of rundll32.exe with comsvcs.dll for memory extraction, which is indicative of OS Credential Dumping (T1003.001).
Correlates a sequence of suspicious activities on a single host within 90 minutes: LSASS memory access consistent with credential dumping, followed by remote service or WMI-based lateral movement, and finishing with mass file renames or modifications characteristic of ransomware encryption.
Detects attempts to dump credentials from the Local Security Authority Subsystem Service (LSASS) process memory using common tools like Mimikatz, Procdump, or built-in system utilities such as comsvcs.dll or command-line arguments indicating memory dump operations.
Detects the abuse of signed Windows system binaries regsvr32.exe and rundll32.exe for proxy execution, defense evasion, and credential access. The rule identifies suspicious command-line patterns including Squiblydoo (regsvr32 with remote scriptlets), rundll32 executing JavaScript via mshtml.dll, rundll32 performing LSASS credential dumping via comsvcs.dll, and the loading of DLLs from untrusted user-writable locations like Temp or Downloads folders.
Detects a sequence of potentially malicious actions indicative of credential theft, including LSASS memory access for dumping, followed by the acquisition of browser or cryptocurrency wallet files, and the subsequent staging of data in temporary directories, all correlated by the same process and device within a 15-minute window.
Detects execution of Mimikatz or usage of its specific command-line arguments (such as sekurlsa or lsadump modules) which indicate attempted credential dumping from system memory.
Detects a specific attack chain attributed to ClosedQuorum, involving LSASS memory dumping, subsequent access to browser-based credential stores or cryptocurrency wallet files, and finally staging the stolen data in C:\Windows\Temp\ within a short time window.
Detects the execution of pypykatz or Python scripts invoking pypykatz commands to perform credential dumping, specifically targeting LSASS memory or minidump files.
Detects a process initiating a memory dump of lsass.exe (using --dump arguments) followed within 15 minutes by the creation of a hexadecimal-named .tmp file in the Windows\Temp directory. This behavioral pattern is characteristic of credential dumping using reflected cloning or similar techniques, followed by the staging of obfuscated or encrypted minidump data for exfiltration.
Detects the pidclone-style LSASS credential dumper that clones the target process into a suspended state, mirrors its memory, generates a minidump, and writes an XOR-encrypted copy of the dump to a randomized filename under Windows\Temp
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