Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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The following analytic detects an Eventvwr UAC bypass by identifying suspicious registry modifications in the path that Eventvwr.msc references upon execution. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on registry changes and process execution details. This activity is significant because it indicates a potential privilege escalation attempt, allowing an attacker to execute arbitrary commands with elevated privileges. If confirmed malicious, this could lead to unauthorized code execution, persistence, and further compromise of the affected system.
The following analytic detects the execution of `powershell.exe` with command-line arguments used to enumerate domain users via the `Get-ADUser` cmdlet. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. This activity is significant as it may indicate an attempt by adversaries to gather information about domain users for situational awareness and Active Directory discovery. If confirmed malicious, this behavior could lead to further reconnaissance, enabling attackers to identify high-value targets and plan subsequent attacks.
The following analytic detects the execution of `powershell.exe` running the `Get-DomainPolicy` cmdlet, which is used to retrieve password policies in a Windows domain. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. This activity is significant as it indicates potential reconnaissance efforts by adversaries to gather domain policy information, which is crucial for planning further attacks. If confirmed malicious, this could lead to unauthorized access to sensitive domain configurations, aiding in privilege escalation and lateral movement within the network.
The following analytic identifies the execution of the Get-DomainTrust command from PowerView using PowerShell, which is used to gather domain trust information. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process and command-line telemetry. This activity is significant as it indicates potential reconnaissance efforts by an adversary to understand domain trust relationships, which can inform lateral movement strategies. If confirmed malicious, this could allow attackers to map out the network, identify potential targets, and plan further attacks, potentially compromising additional systems within the domain.
The following analytic detects the execution of the Get-ForestTrust command via PowerShell, commonly used by adversaries to gather domain trust information. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. Identifying this activity is crucial as it indicates potential reconnaissance efforts to map out domain trusts, which can inform further attacks. If confirmed malicious, this activity could allow attackers to understand domain relationships, aiding in lateral movement and privilege escalation within the network.
The following analytic detects the use of the `Get-WMIObject Win32_Group` command executed via PowerShell to enumerate local groups on an endpoint. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. Identifying local groups can be a precursor to privilege escalation or lateral movement. If confirmed malicious, this activity could allow an attacker to map out group memberships, aiding in further exploitation or unauthorized access to sensitive resources.
The following analytic detects the execution of `powershell.exe` with the `Get-AdGroup` commandlet, which is used to query domain groups in a Windows Domain. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line arguments. Monitoring this activity is crucial as it may indicate an adversary or Red Team enumerating domain groups for situational awareness and Active Directory discovery. If confirmed malicious, this activity could lead to further reconnaissance, privilege escalation, or lateral movement within the network.
The following analytic detects the execution of `powershell.exe` with command-line arguments invoking the `GetCurrent` method of the WindowsIdentity .NET class. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. This activity is significant as adversaries may use this method to identify the logged-in user on a compromised endpoint, aiding in situational awareness and Active Directory discovery. If confirmed malicious, this could allow attackers to gain insights into user context, potentially facilitating further exploitation and lateral movement within the network.
The following analytic detects the execution of `powershell.exe` with the `Get-DomainController` command, which is used to discover remote systems within a Windows domain. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line arguments. Monitoring this activity is crucial as it may indicate an attempt to enumerate domain controllers, a common tactic in Active Directory discovery. If confirmed malicious, this activity could allow attackers to gain situational awareness, potentially leading to further exploitation and lateral movement within the network.
The following analytic detects the execution of `powershell.exe` with command-line arguments that query for domain groups using `Get-DomainGroup`. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions mapped to the `Processes` node of the `Endpoint` data model. Monitoring this activity is crucial as `Get-DomainGroup` is part of PowerView, a tool often used by adversaries for domain enumeration and situational awareness. If confirmed malicious, this activity could allow attackers to gain insights into domain group structures, aiding in further exploitation and privilege escalation.
The following analytic detects the execution of `powershell.exe` with command-line arguments that utilize the `Get-WmiObject` cmdlet to discover remote systems, specifically targeting the `DS_Computer` parameter.
This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions.
This activity is significant as it indicates potential reconnaissance efforts by adversaries to enumerate domain computers and gather situational awareness within Active Directory.
If confirmed malicious, this behavior could allow attackers to map the network, identify critical systems, and plan further attacks, potentially leading to unauthorized access and data exfiltration.
This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions.
This activity is significant as it indicates potential reconnaissance efforts by adversaries to enumerate domain computers and gather situational awareness within Active Directory.
If confirmed malicious, this behavior could allow attackers to map the network, identify critical systems, and plan further attacks, potentially leading to unauthorized access and data exfiltration.
The following analytic detects the use of the Windows binary attrib.exe to hide files or directories by marking them with specific flags. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on command-line arguments that include the "+h" flag. This activity is significant because hiding files can be a tactic used by attackers to conceal malicious files or tools from users and security software. If confirmed malicious, this behavior could allow an attacker to persist in the environment undetected, potentially leading to further compromise or data exfiltration.
The following analytic detects the execution of the "At" application in Linux, which can be used by attackers to create persistence entries on a compromised host. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and parent process names associated with "at" or "atd". This activity is significant because the "At" application can be exploited to maintain unauthorized access or deliver additional malicious payloads. If confirmed malicious, this behavior could lead to data theft, ransomware attacks, or other severe consequences. Immediate investigation is required to determine the legitimacy of the execution and mitigate potential risks.
This detection identifies Docker containers that mount the host's root directory into the container filesystem.
Mounting the entire host root directory into a container effectively grants the container visibility and potential write access to all files on the host system.
If the container is running as root or with elevated capabilities (e.g., --privileged), the risk is significantly increased.
Mounting the entire host root directory into a container effectively grants the container visibility and potential write access to all files on the host system.
If the container is running as root or with elevated capabilities (e.g., --privileged), the risk is significantly increased.
The following analytic detects the use of the curl command with specific switches (-O, -sO, -ksO, --output) commonly used to download remote scripts or binaries. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line arguments. This activity is significant as it may indicate an attempt to download and execute potentially malicious files, often used in initial stages of an attack. If confirmed malicious, this could lead to unauthorized code execution, enabling attackers to compromise the system further.
The following analytic detects modifications to the registry key `HKLM\SYSTEM\CurrentControlSet\Control\Print\Monitors`. It leverages data from the Endpoint.Registry data model, focusing on events where the registry path is modified. This activity is significant because attackers can exploit this registry key to load arbitrary .dll files, which will execute with elevated SYSTEM permissions and persist after a reboot. If confirmed malicious, this could allow attackers to maintain persistence, execute code with high privileges, and potentially compromise the entire system.
The following analytic identifies the execution of `nltest.exe` with command-line arguments `/domain_trusts` or `/all_trusts` to query Domain Trust information. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process execution logs and command-line arguments. This activity is significant as it indicates potential reconnaissance efforts by adversaries to understand domain trust relationships, which can inform their lateral movement strategies. If confirmed malicious, this activity could enable attackers to map out trusted domains, facilitating further compromise and pivoting within the network.
The following analytic detects modifications to Windows accessibility binaries such as sethc.exe, utilman.exe, osk.exe, Magnify.exe, Narrator.exe, DisplaySwitch.exe, and AtBroker.exe. It leverages filesystem activity data from the Endpoint.Filesystem data model to identify changes to these specific files. This activity is significant because adversaries can exploit these binaries to gain unauthorized access or execute commands without logging in. If confirmed malicious, this could allow attackers to bypass authentication mechanisms, potentially leading to unauthorized system access and further compromise of the environment.
The following analytic identifies attempts to disable Windows Defender
real-time behavior monitoring via PowerShell commands. It detects the use of specific
`Set-MpPreference` parameters that disable various security features. This activity
is significant as it is commonly used by malware such as RATs, bots, or Trojans
to evade detection by disabling antivirus protections. If confirmed malicious, this
action could allow an attacker to operate undetected, leading to potential data
exfiltration, further system compromise, or persistent access within the environment.
real-time behavior monitoring via PowerShell commands. It detects the use of specific
`Set-MpPreference` parameters that disable various security features. This activity
is significant as it is commonly used by malware such as RATs, bots, or Trojans
to evade detection by disabling antivirus protections. If confirmed malicious, this
action could allow an attacker to operate undetected, leading to potential data
exfiltration, further system compromise, or persistent access within the environment.
The following analytic identifies the use of the `get-localgroup` command executed via PowerShell or cmd.exe to enumerate local groups on an endpoint. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line arguments. Monitoring this activity is significant as it may indicate an attacker attempting to gather information about local group memberships, which can be a precursor to privilege escalation. If confirmed malicious, this activity could allow an attacker to identify and target privileged accounts, potentially leading to unauthorized access and control over the system.
The following analytic detects the execution of the PowerShell command `Start-BitsTransfer`, which can be used for file transfers, including potential data exfiltration. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process creation events and command-line arguments. This activity is significant because `Start-BitsTransfer` can be abused by adversaries to upload sensitive files to remote locations, posing a risk of data loss. If confirmed malicious, this could lead to unauthorized data exfiltration, compromising sensitive information and potentially leading to further exploitation of the network.
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