Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects when a single session identifier is used to access multiple cloud applications, where at least three distinct applications are accessed within an hour, and these applications were not part of the original interactive sign-in. This behavior can indicate a token replay attack, specifically as described in the Elastic Security Labs research on Tycoon 2FA AiTM detection engineering.
Detects the use of rundll32.exe to execute the MiniDump function of comsvcs.dll to create a memory dump of the Local Security Authority Subsystem Service (LSASS). This technique is commonly used by adversaries to extract credential materials from LSASS memory.
Detects the use of rundll32.exe to execute the MiniDump function of comsvcs.dll to create a memory dump of the Local Security Authority Subsystem Service (LSASS). This technique is commonly used by adversaries to extract credential materials from LSASS memory.
Detects suspicious command-line execution patterns involving common SSH files and utilities, such as access to SSH keys, known_hosts, authorized_keys, or suspicious configuration flags. This pattern often indicates attempts to harvest SSH credentials, bypass host key checking, or facilitate persistent remote access. The rule specifically looks for these actions when performed by standard shell utilities or automated tools.
This rule detects attempts to acquire Windows credentials by accessing critical registry hives (SAM, SYSTEM, SECURITY) or their shadow copies. It looks for the use of 'reg save' to export hives, as well as direct file access to these hives or their shadow copy variations by non-standard system processes.
Detects unsigned or non-Microsoft processes attempting to access sensitive system process memory (lsass.exe, winlogon.exe, services.exe) or processes attempting to enable SeDebugPrivilege, which are common indicators of credential dumping or process injection attempts.
Detects instances where non-browser processes (that are not signed by major browser vendors) attempt to access common browser credential files such as 'Login Data' or 'logins.json'. This behavior is characteristic of credential dumping or exfiltration attempts by malicious software trying to steal stored browser passwords.
Detects instances where an unsigned or non-trusted process attempts to access the memory of the Local Security Authority Subsystem Service (LSASS). Accessing LSASS memory is a common technique used by threat actors to harvest credentials for lateral movement and privilege escalation.
Detects instances where non-browser processes attempt to open a handle to common web browsers (Chrome, Edge, Firefox). This behavior is indicative of unauthorized memory access or process injection techniques often used to harvest session cookies or other sensitive data stored in browser memory space.
Detects unauthorized processes, such as shells, scripting engines, or command-line utilities, that attempt to display or access environment variables containing sensitive cloud credential patterns (e.g., AWS_ACCESS, API_KEY). This behavior often indicates an attempt to steal cloud provider credentials from the host environment.
This rule detects suspicious process activity indicative of the Remcos RAT attempting to extract credentials from web browsers like Chrome, Firefox, or Opera. It specifically looks for `Remcos` related processes initiating browser executables with command-line arguments often associated with credential dumping or unusual browser behavior, such as `--allow-file-access`, `--no-sandbox`, `--headless`, or referencing a 'profile'.
Detects the modification of the 'UseLogonCredential' registry value to '1' within the WDigest security package settings. Enabling this setting allows the WDigest authentication protocol to cache cleartext credentials in the LSASS process memory, which is a common technique used by attackers to facilitate credential dumping and facilitate lateral movement.
Detects the modification of the 'UseLogonCredential' registry value to '1' within the WDigest security package settings. Enabling this setting allows the WDigest authentication protocol to cache cleartext credentials in the LSASS process memory, which is a common technique used by attackers to facilitate credential dumping and facilitate lateral movement.
Detects non-browser processes accessing sensitive browser data files (such as Login Data, Cookies, or key stores) followed by network activity to known suspicious, cryptocurrency, or potential malware-hosting domains. This behavior is indicative of credential theft and exfiltration by information-stealing malware.
This rule detects potential OAuth token abuse by correlating credential consent grants with subsequent unusual cloud access patterns from different geographic locations. It looks for activities like adding a service principal, adding OAuth2 permission grants, or consenting to an application, followed by access to specific cloud applications (Salesforce, Drift, Slack, Microsoft 365, Workday) from an IP address that does not match the IP address from which the consent was granted. The rule aggregates these events and triggers if there are at least 4 related events within a 6-hour window.
Detects the execution of a custom Mach-O binary designed to fake system password prompts (UNK_DeadDrop). This activity is indicative of credential phishing attempts on macOS systems.
Detects the use of the Windows command-line utility 'reg.exe' to query sensitive registry keys or paths commonly associated with credential storage, such as SAM, SECURITY, LSA secrets, or autologon configurations. This activity is often indicative of reconnaissance or credential harvesting attempts.
Detects potentially malicious process execution behaviors, including the use of 'runas.exe' with saved credentials, the execution of 'runas.exe' by unauthorized users, and unauthorized cross-process access to sensitive Windows system processes such as lsass.exe, winlogon.exe, or services.exe, which are common indicators of credential access or privilege escalation attempts.
Detects the use of the Windows command-line utility 'reg.exe' to query sensitive registry keys or paths commonly associated with credential storage, such as SAM, SECURITY, LSA secrets, or autologon configurations. This activity is often indicative of reconnaissance or credential harvesting attempts.
This rule detects activities associated with credential dumping, specifically targeting techniques that abuse the Directory Replication Service (DRS) protocol, such as DCSync or the use of tools like secretsdump. It monitors both process execution command lines and network traffic for keywords indicative of these credential extraction behaviors, which are commonly used by attackers to obtain domain credentials.
Detects the use of sshpass to perform credential spraying against specific PeopleSoft-related service accounts (psoft, oracle, linuxadm). The rule triggers when sshpass is executed with disabled host key checking or batch mode, indicating automated, non-interactive authentication attempts.
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