Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
779 detections
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Detects two distinct behaviors indicative of potential credential theft or lateral movement: DCSync-style Active Directory replication requests identified via Event ID 4662 with specific replication GUIDs, and high-volume SMB traffic originating from Domain Controllers or DC-adjacent hosts, which may indicate unauthorized data access or credential dumping activities.
Detects processes attempting to open a handle to the Local Security Authority Subsystem Service (LSASS) process with access rights commonly associated with credential dumping. This detection focuses on identifying suspicious cross-process access requests originating from non-standard or non-authorized processes, such as those used by C2 frameworks like OnyxC2 for extracting cached Windows credentials.
Detects sensitive access to the Local Security Authority Subsystem Service (LSASS) process, commonly associated with credential dumping attempts. This rule monitors Windows Security Event 4663, specifically flagging processes attempting to gain specific access levels (e.g., Read, Query, or Full Control) to the lsass.exe process.
Detects attempts to exploit CVE-2021-36934 (HiveNightmare/SeriousSAM) by monitoring for unauthorized access to SAM, SYSTEM, or SECURITY hive files within Volume Shadow Copies, or the use of icacls/vssadmin to facilitate this credential access.
Detects attempts to exploit CVE-2021-36934 (HiveNightmare/SeriousSAM) by monitoring for unauthorized access to SAM, SYSTEM, or SECURITY hive files within Volume Shadow Copies, or the use of icacls/vssadmin to facilitate this credential access.
This rule detects attempts to perform a DCSync attack by monitoring for Windows Event ID 4662 (Object Access) with specific Directory Replication Service (DRS) GUIDs. These GUIDs are used by attackers to request the replication of sensitive data, such as password hashes, from a Domain Controller without having direct access to it. This technique is commonly used by tools like Mimikatz and Impacket's secretsdump to extract credentials from Active Directory.
Detects common LSASS memory dumping techniques, including suspicious process access rights (EventID 10) and the execution of tools or techniques (EventID 1) such as comsvcs.dll, procdump, taskmgr, or werfault, which are often used to harvest credentials.
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 the execution of diskshadow.exe with the /s (scripted) flag, followed by file access to sensitive Windows credential files (ntds.dit or SAM). This behavior indicates the abuse of the Windows Diskshadow utility to create a volume shadow copy for the purpose of offline credential exfiltration.
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 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 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 use of rundll32.exe to execute comsvcs.dll's MiniDump functionality against the LSASS process, a common technique for dumping credentials. The rule includes behavioral correlation by identifying the same user account executing this pattern on multiple devices within a one-hour window.
Detects sensitive access to the Local Security Authority Subsystem Service (LSASS) process, commonly associated with credential dumping attempts. This rule monitors Windows Security Event 4663, specifically flagging processes attempting to gain specific access levels (e.g., Read, Query, or Full Control) to the lsass.exe process.
Detects the creation of a Volume Shadow Copy followed by an attempt to access or copy sensitive files, specifically the NTDS.dit database or the SYSTEM registry hive, from that shadow copy. This behavior is indicative of an attempt to perform offline credential theft.
Detects the creation of a Volume Shadow Copy followed by an attempt to access or copy the Active Directory database file (ntds.dit) from the shadow copy. This pattern is commonly used by adversaries to perform offline credential dumping.
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 the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
Detects the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
Detects the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
Detects the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
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