Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of Mimikatz or the use of specific Mimikatz command-line arguments intended to extract credentials from LSASS memory, a common technique for credential harvesting during post-exploitation activities.
This rule detects potentially malicious activity targeting Microsoft Entra Connect (formerly Azure AD Connect) servers. It identifies the execution of known credential harvesting tools like AADInternals or attempts to access/extract the ADSync database files and encryption components. Such actions indicate an attempt to gain unauthorized access to synchronized identities, local domain credentials, or cloud synchronization service accounts.
This rule detects potential credential dumping attempts targeting the Local Security Authority Subsystem Service (LSASS) process. It identifies suspicious file execution based on a blocklist of known credential dumping utility hashes, unauthorized OpenProcess calls to lsass.exe with specific access rights, and the creation of process memory dump files (e.g., .dmp, .dump) correlated with an lsass.exe access event.
This rule detects potential credential dumping attempts targeting the Local Security Authority Subsystem Service (LSASS) process. It identifies suspicious file execution based on a blocklist of known credential dumping utility hashes, unauthorized OpenProcess calls to lsass.exe with specific access rights, and the creation of process memory dump files (e.g., .dmp, .dump) correlated with an lsass.exe access event.
The following analytic identifies suspicious PowerShell execution using Script Block Logging (EventCode 4104). It leverages specific patterns and keywords within the ScriptBlockText field to detect potentially malicious activities. This detection is significant for SOC analysts as PowerShell is commonly used by attackers for various malicious purposes, including code execution, privilege escalation, and persistence.
If confirmed malicious, this activity could allow attackers to execute arbitrary commands, exfiltrate data, or maintain long-term access to the compromised system, posing a severe threat to the organization's security.
If confirmed malicious, this activity could allow attackers to execute arbitrary commands, exfiltrate data, or maintain long-term access to the compromised system, posing a severe threat to the organization's security.
This rule detects the use of specific tools associated with credential dumping and memory forensics, including Dokan driver installations for file system mounting, the use of DumpIt for creating memory dumps, and the subsequent analysis of these dumps using MemProcFS to access sensitive process memory information such as LSASS minidumps.
Detects evidence of potential credential dumping from the Local Security Authority Subsystem Service (LSASS) process. The rule monitors for two distinct behaviors: the use of MemProcFS with device memory access flags targeting a RAW file, and the creation of files containing 'lsass.exe', 'minidump', and 'readme.txt' in their paths or filenames, which is characteristic of certain post-exploitation toolkits that harvest LSASS memory.
Detects evidence of potential credential dumping from the Local Security Authority Subsystem Service (LSASS) process. The rule monitors for two distinct behaviors: the use of MemProcFS with device memory access flags targeting a RAW file, and the creation of files containing 'lsass.exe', 'minidump', and 'readme.txt' in their paths or filenames, which is characteristic of certain post-exploitation toolkits that harvest LSASS memory.
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 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 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 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 Mimikatz binary or in-memory module used for credential harvesting following PaperCut RCE exploitation
This rule detects the execution of Mimikatz or the use of its specific command-line arguments, which are strongly indicative of credential dumping activities, often used for post-exploitation lateral movement or privilege escalation.
Detects potential DCSync attacks by monitoring Windows Security Event ID 4662 for specific Directory Service Replication GUIDs. The rule identifies attempts by unauthorized principals (not domain controllers) to request replication data from the Active Directory domain controller, which is a key indicator of credential harvesting using tools like Mimikatz.
Detects the execution of Mimikatz, a tool commonly used for credential harvesting from Windows memory, by monitoring for processes named 'mimikatz.exe' or the presence of specific Mimikatz command-line arguments used for dumping LSASS memory or performing pass-the-hash attacks.
Detects unauthorized directory replication requests (DRSGetNCChanges or DRSReplicaSync) originating from a host that is not identified as a Domain Controller. This behavior is indicative of a DCSync attack, where an adversary impersonates a domain controller to extract credential hashes from the Active Directory database.
Detects unauthorized directory replication requests (DRSGetNCChanges or DRSReplicaSync) originating from a host that is not identified as a Domain Controller. This behavior is indicative of a DCSync attack, where an adversary impersonates a domain controller to extract credential hashes from the Active Directory database.
This rule detects potentially malicious activities aimed at credential harvesting and system recovery inhibition. It monitors for the execution of vssadmin.exe with arguments to list shadow copies (often a precursor to deletion) or references to DPAPI master keys in command lines. Additionally, it identifies unauthorized processes attempting to access sensitive browser-based credential files (e.g., Login Data, Cookies, key4.db) from standard browser installation paths, specifically excluding legitimate browser and update processes.
This rule detects potentially malicious activities aimed at credential harvesting and system recovery inhibition. It monitors for the execution of vssadmin.exe with arguments to list shadow copies (often a precursor to deletion) or references to DPAPI master keys in command lines. Additionally, it identifies unauthorized processes attempting to access sensitive browser-based credential files (e.g., Login Data, Cookies, key4.db) from standard browser installation paths, specifically excluding legitimate browser and update processes.
This rule detects the use of specific tools associated with credential dumping and memory forensics, including Dokan driver installations for file system mounting, the use of DumpIt for creating memory dumps, and the subsequent analysis of these dumps using MemProcFS to access sensitive process memory information such as LSASS minidumps.
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