Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects an anomaly in the SAML token issuer, indicating a potential compromise of the SAML token. The detection is triggered when the 'riskEventType' is 'tokenIssuerAnomaly', suggesting that the claims within the token are unusual or align with known attacker patterns. This could signify an adversary forging web credentials, specifically SAML tokens, to gain unauthorized access.
Detects attempts to extract credentials from files using the 'grep' command to search for the keyword 'password' or by executing the 'laZagne' credential dumping tool. This rule is specifically tailored for macOS environments.
This rule detects the creation of a file named 'dumpert.dmp', which is the default output file used by the Outflank Dumpert tool. Dumpert is a process dumper specifically designed to extract memory from the Local Security Authority Subsystem Service (LSASS) process, which often contains sensitive credential material.
This rule detects the creation of a file named "ntds.dit", which is the Active Directory database. The NTDS.dit file contains critical information including user credentials (hashed passwords), group memberships, and other Active Directory objects. Adversaries often target this file to dump credentials for lateral movement and privilege escalation within a Windows domain.
This rule detects remote access to the Local Security Authority Subsystem Service (LSASS) process via Windows Remote Management (WinRM). This activity is highly indicative of credential dumping attempts, often performed by tools like Mimikatz, to extract sensitive authentication material from memory. The rule specifically looks for process access events where the target process is 'lsass.exe' and the source process initiating the access is 'wsmprovhost.exe', which is associated with WinRM. It also filters out common benign access patterns (0x80000000 GrantedAccess) to reduce false positives.
Detects the execution of 'curl.exe' with the '-c' flag or '--cookie-jar' option to save cookie data. This activity can be indicative of an attacker attempting to hijack sessions by extracting authentication cookies.
This rule detects the execution of Mimikatz by identifying specific command-line arguments and keywords commonly associated with its various modules and functions. It looks for terms like 'DumpCreds', 'mimikatz', and module-specific keywords such as '::aadcookie', '::detours', 'sekurlsa::', 'kerberos::', and 'lsadump::'. The rule aims to identify attempts to dump credentials or perform other malicious actions using the Mimikatz tool.
Detects the Internet Information Services (IIS) command-line tool, AppCmd, being used to list passwords or configuration details that may contain sensitive information. This activity indicates an attempt to dump credentials from IIS.
This rule detects the creation or modification of a specific registry key associated with Windows Credential Editor (WCE). WCE is a tool used to dump credentials from memory, specifically targeting the Local Security Authority Subsystem Service (LSASS). The rule looks for the string 'Services\WCESERVICE\Start' within the 'TargetObject' field of registry events, indicating the installation or activation of WCE as a service.
Detects sign-in attempts with properties (e.g., device, location, browser) that are unusual or unfamiliar compared to a user's past sign-in history. This rule leverages Azure AD Identity Protection's risk detection capabilities to identify anomalous sign-ins.
This rule detects attempts to access the Local Security Authority Subsystem Service (LSASS) process memory with specific uncommon access flags (0x410 and 0x01410). These flags are often used by tools or techniques designed to dump credentials from LSASS, a common method for credential theft on Windows systems. The rule includes extensive filters to reduce false positives from legitimate software that might interact with LSASS.
This rule detects anomalous token characteristics, such as an unusual token lifetime or a token being used from an unfamiliar location. This indicates potential compromise or misuse of identity tokens.
This rule detects when an application acquires a certificate private key. This event (EventID 70 in the CAPI2 Operational log) indicates that a private key associated with a certificate has been accessed or exported. This activity can be indicative of an adversary attempting to steal or gain access to authentication certificates for various malicious purposes, such as impersonation or persistence.
Detects suspicious process patterns indicative of NTDS.DIT exfiltration attempts. This includes the use of specific tools like NTDSDumpEx, PowerShell scripts (e.g., NTDSgrab.ps1), and command-line utilities (ntdsutil.exe, copy command) to access or copy the ntds.dit file. The rule also looks for these activities originating from suspicious image folders like Apache, Tomcat, AppData, Temp, Public, or PerfLogs.
Detects Microsoft Outlook attempting to initiate a connection to a WebDAV or SMB share by querying specific registry keys. This behavior is indicative of an exploitation attempt related to CVE-2023-23397, where an attacker could force Outlook to connect to a malicious share and leak NTLM hashes.
Detects logon events (Event ID 4672 and 4964) involving accounts with special privileges or belonging to special groups, such as administrators. The rule filters out the local system account (S-1-5-18) and allows for a configurable filter for valid internal accounts to reduce false positives.
Detects the loading of `dbghelp.dll` or `dbgcore.dll` by processes that are typically not expected to load these DLLs. These DLLs export functions like `MiniDumpWriteDump` which can be used to dump process memory, including sensitive information like credentials from processes such as LSASS. This behavior is often observed in attacker tradecraft, such as with the SilentTrinity C2 Framework, or by legitimate debugging tools like ProcessHacker. The rule includes filters for common legitimate Windows processes and services that might load these DLLs to reduce false positives. Investigation of the command line and image location of the process loading the DLL is recommended.
Detects a PowerShell process attempting to access the Local Security Authority Subsystem Service (LSASS) process memory. This activity is a strong indicator of potential credential dumping attempts, where an attacker tries to extract sensitive authentication material (like passwords or hashes) from memory.
This rule identifies when Kubernetes secrets are modified or deleted within a Google Cloud Platform (GCP) environment. It specifically looks for audit log entries related to the creation, update, patch, or deletion of Kubernetes secrets.
This rule detects commands commonly used on Cisco network devices to collect configuration data, which may contain sensitive information such as credentials. The commands include 'show running-config' to display the current operational configuration, 'show startup-config' to display the configuration loaded at boot, and 'show archive config' which can show archived configurations. An adversary might use these commands to gather information about the network, discover credentials, or understand the device's security posture.
Detects Windows error reporting events where the Local Security Authority Subsystem Service (LSASS) process crashes with a specific exception code. This behavior can indicate an intentional crash, often associated with techniques like Lsass-Shtinkering, to facilitate credential dumping from LSASS memory.
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