Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects instances where the w3wp.exe (IIS worker process) spawns command-line interpreters like cmd.exe or powershell.exe, and these interpreters execute common discovery commands such as 'whoami', 'hostname', or 'ipconfig'. This behavior can indicate a web server compromise where an attacker is attempting to gain information about the compromised system or network.
This rule query identifies likely post‑exploitation activity associated with React2Shell (CVE-2025-55182) in which Part 1 identifies web servers spawning unusual child processes (such as command shells or system utilities) combined with suspicious command-line patterns, which may indicate post-exploitation behavior following a compromise. and part 2 detects web servers making outbound network connections to known malicious IPs or hostnames, or to domains associated with tunneling services (e.g., trycloudflare.com), suggesting potential command-and-control activity or data exfiltration.
Detects vLLM performing unauthorized system reconnaissance by executing common system information discovery commands such as 'whoami', 'id', 'uname', 'hostname', 'ifconfig', and 'ip'. This activity is indicative of an attacker attempting to gather information about the compromised system.
Detects PHP or web server processes launching common system, account, network, and domain reconnaissance utilities. This activity is often indicative of post-compromise internal reconnaissance, as web-facing application processes should not normally start these utilities. The rule specifically looks for processes like php.exe, w3wp.exe, httpd.exe, apache2, and nginx spawning reconnaissance tools such as whoami, hostname, systeminfo, ipconfig, ifconfig, net, nltest, dsquery, quser, and query.
Detects an IIS worker process (w3wp.exe) spawning cmd.exe with a specific chain of reconnaissance commands (whoami, hostname, ipconfig). This behavior matches the default execution pattern of the 'hc2.aspx' and 'health_check_t.aspx' webshells observed in an Iranian-Nexus operation against Oman's government.
This rule query identifies likely post‑exploitation activity associated with React2Shell (CVE-2025-55182) in which Part 1 identifies web servers spawning unusual child processes (such as command shells or system utilities) combined with suspicious command-line patterns, which may indicate post-exploitation behavior following a compromise. and part 2 detects web servers making outbound network connections to known malicious IPs or hostnames, or to domains associated with tunneling services (e.g., trycloudflare.com), suggesting potential command-and-control activity or data exfiltration.
Detects potential Dtrack RAT activity by identifying specific command-line patterns associated with network discovery and system information gathering. The rule looks for the execution of 'ping' with specific arguments, 'ipconfig /all' redirecting output to a temporary file, and 'netsh interface ip show config' also redirecting output to a temporary file. These commands are commonly used by Dtrack for reconnaissance.
Detects specific process behavior observed with Devil Bait malware samples. This rule identifies the execution of 'cmd.exe' as a child process of 'wscript.exe', attempting to redirect output to an XML or TXT file within the APPDATA\Microsoft directory. Additionally, it looks for reconnaissance commands such as 'ipconfig /all', 'dir', 'systeminfo', and 'tasklist' executed via 'cmd.exe'. This combination of behaviors is indicative of Devil Bait malware performing initial system reconnaissance and data collection.
This rule detects the execution of common Windows command-line utilities used for system network configuration discovery. Adversaries often use these commands to gather information about the network environment, including IP addresses, network interfaces, ARP tables, NetBIOS information, and routing tables. The specific commands monitored are 'ipconfig /all', 'netsh interface show interface', 'arp -a', 'nbtstat -n', 'net config', and 'route print'.
Detects potential remote code execution associated with the exploitation of Oracle E-Business Suite vulnerability CVE-2025-61882 on Windows hosts. The rule looks for a Java process spawning a command shell to execute reconnaissance commands, followed by an outbound network connection from the same Java process within a short time frame. This behavior is consistent with post-exploitation activity observed in the campaign.
Use this query to find reconnaissance and beaconing activities after code injection occurs.
Reconnaissance commands are consistent with the current version of Qakbot and occur automatically to exfiltrate system information. This data, once exfiltrated, will be used to prioritize human operated actions.
Reconnaissance commands are consistent with the current version of Qakbot and occur automatically to exfiltrate system information. This data, once exfiltrated, will be used to prioritize human operated actions.
Instead of running several queries separately, you can also use a comprehensive query that checks for multiple signs of ransomware activity to identify affected devices. The following consolidated query:
Looks for both relatively concrete and subtle signs of ransomware activity
Weighs the presence of these signs
Identifies devices with a higher chance of being targets of ransomware
When run, this consolidated query returns a list of devices that have exhibited multiple signs of attack. The count of each type of ransomware activity is also shown.
Looks for both relatively concrete and subtle signs of ransomware activity
Weighs the presence of these signs
Identifies devices with a higher chance of being targets of ransomware
When run, this consolidated query returns a list of devices that have exhibited multiple signs of attack. The count of each type of ransomware activity is also shown.
The following analytic identifies instances where `ipconfig.exe`, `systeminfo.exe`, or similar tools are executed by a non-standard shell parent process, excluding CMD, PowerShell, or Explorer. This detection leverages Endpoint Detection and Response (EDR) telemetry to monitor process creation events. Such behavior is significant as it may indicate adversaries using injected processes to perform system discovery, a tactic observed in FIN7's JSSLoader. If confirmed malicious, this activity could allow attackers to gather critical host information, aiding in further exploitation or lateral movement within the network.
The following analytic detects suspicious system network configuration discovery activities, which may indicate an adversary's attempt to gather information about the network environment. Such actions typically involve commands or tools used to identify network interfaces, routing tables, and active connections. Detecting these activities is crucial, as they often precede more targeted attacks like lateral movement or data exfiltration. By identifying unusual or unauthorized network discovery efforts, this analytic helps security teams to swiftly detect and respond to potential reconnaissance operations, mitigating the risk of further compromise.
The analytic identifies potential enumeration of local network configuration on Linux systems. It detects this activity by monitoring processes such as "arp," "ifconfig," "ip," "netstat," "firewall-cmd," "ufw," "iptables," "ss," and "route" within a 30-minute window. This behavior is significant as it often indicates reconnaissance efforts by adversaries to gather network information for subsequent attacks. If confirmed malicious, this activity could enable attackers to map the network, identify vulnerabilities, and plan further exploitation or lateral movement within the environment.
The analytic identifies the execution of the "ipconfig /displaydns" command, which retrieves DNS reply information using the built-in Windows tool IPConfig. Monitoring this activity is significant as threat actors and post-exploitation tools like WINPEAS often abuse this command to gather network information. If confirmed malicious, this activity could allow attackers to map the network, identify DNS servers, and potentially facilitate further network-based attacks or lateral movement.