Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This detection identifies potentially suspicious usage of sqlcmd.exe, focusing on command patterns that may indicate data exfiltration, reconnaissance, or malicious database operations. The detection looks for both short-form (-X) and long-form (--flag) suspicious parameter combinations, which have been observed in APT campaigns targeting high-value organizations. For example, threat actors like CL-STA-0048 have been known to abuse sqlcmd.exe for data theft and exfiltration from compromised MSSQL servers. The detection monitors for suspicious authentication attempts, output redirection, and potentially malicious query patterns that could indicate unauthorized database access or data theft.
The following analytic detects the use of the PowerShell cmdlet 'export-certificate' executed via the command line, indicating an attempt to export a certificate from the local Windows Certificate Store. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process execution logs and command-line arguments. Exporting certificates is significant as it may indicate credential theft or preparation for man-in-the-middle attacks. If confirmed malicious, this activity could allow an attacker to impersonate users, decrypt sensitive communications, or gain unauthorized access to systems and data.
The following analytic detects the execution of the SubInAcl utility. SubInAcl is a legacy Windows Resource Kit tool from the Windows 2003 era, used to manipulate security descriptors of securable objects. It leverages data from Endpoint Detection and Response (EDR) agents, specifically searching for any process execution involving "SubInAcl.exe" binary. This activity can be significant because the utility should be rarely found on modern Windows machines, which mean any execution could potentially be considered suspicious. If confirmed malicious, this could allow an attacker to blind defenses by tampering with EventLog ACLs or modifying the access to a previously denied resource.
The following analytic detects `wmic.exe` loading a remote XSL script
via a URL. This detection leverages Endpoint Detection and Response (EDR) data,
focusing on command-line executions that include HTTP/HTTPS URLs and the /FORMAT
switch. This activity is significant as it indicates a potential application control
bypass, allowing adversaries to execute JScript or VBScript within an XSL file.
If confirmed malicious, this technique can enable attackers to execute arbitrary
code, escalate privileges, or maintain persistence using a trusted Windows tool,
posing a severe threat to the environment.
via a URL. This detection leverages Endpoint Detection and Response (EDR) data,
focusing on command-line executions that include HTTP/HTTPS URLs and the /FORMAT
switch. This activity is significant as it indicates a potential application control
bypass, allowing adversaries to execute JScript or VBScript within an XSL file.
If confirmed malicious, this technique can enable attackers to execute arbitrary
code, escalate privileges, or maintain persistence using a trusted Windows tool,
posing a severe threat to the environment.
The following analytic detects the execution of an XSL script using the WMIC process, which is often indicative of malicious activity. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on command-line executions involving WMIC and XSL files. This behavior is significant as it has been associated with the FIN7 group, known for using this technique to execute malicious scripts. If confirmed malicious, this activity could allow attackers to execute arbitrary code, potentially leading to system compromise and further malicious actions within the environment.
Detects the OIC-lure Mustang Panda PlugX infection chain with tightened false-positive controls: requires the console-resize artifact (mode.com with digit,digit args) that precedes the download, requires PowerShell to be parented directly by explorer.exe (filtering out legitimate scheduled-task/management-agent automation that also chains curl+tar), requires curl to combine -L with -k/-s (insecure/silent) flags, narrows all correlation windows to 2 minutes, and excludes shell/utility processes from the final execution match.
Detects the OIC-lure Mustang Panda PlugX infection chain with tightened false-positive controls: requires the console-resize artifact (mode.com with digit,digit args) that precedes the download, requires PowerShell to be parented directly by explorer.exe (filtering out legitimate scheduled-task/management-agent automation that also chains curl+tar), requires curl to combine -L with -k/-s (insecure/silent) flags, narrows all correlation windows to 2 minutes, and excludes shell/utility processes from the final execution match.
The following analytic identifies a Windows command interpreter process being executed where it's process name does not match it's original file name attribute.
Processes that have been renamed and executed may be an indicator that an adversary is attempting to evade defenses or execute malicious code.
Processes that have been renamed and executed may be an indicator that an adversary is attempting to evade defenses or execute malicious code.
Detects the ClickFix/fake-CAPTCHA initial access pattern where users are socially engineered into copying and pasting malicious commands into the Windows Run dialog or a browser-spawned shell. The rule matches on process creation events involving mshta.exe, powershell.exe, or wscript.exe initiated by explorer.exe or common shell-related processes, filtering out known administrative and deployment software.
The following analytic detects the execution of a DCRat "forkbomb" payload, which spawns multiple cmd.exe processes that launch notepad.exe instances in quick succession. This detection leverages Endpoint Detection and Response (EDR) data, focusing on the rapid creation of cmd.exe and notepad.exe processes within a 30-second window. This activity is significant as it indicates a potential DCRat infection, a known Remote Access Trojan (RAT) with destructive capabilities. If confirmed malicious, this behavior could lead to system instability, resource exhaustion, and potential disruption of services.
The following analytic detects potentially malicious processes that initiate a ping delay using an invalid IP address.
It leverages data from Endpoint Detection and Response (EDR) agents, focusing on command-line executions involving "ping 0 -n".
Malware like NJRAT was observed using this technique to introduce time delays for evasion tactics, such as delaying self-deletion.
If confirmed malicious, this activity could indicate an active infection attempting to evade detection, potentially leading to further compromise and persistence within the environment.
It leverages data from Endpoint Detection and Response (EDR) agents, focusing on command-line executions involving "ping 0 -n".
Malware like NJRAT was observed using this technique to introduce time delays for evasion tactics, such as delaying self-deletion.
If confirmed malicious, this activity could indicate an active infection attempting to evade detection, potentially leading to further compromise and persistence within the environment.
Detects the GOST tunnel binary deployed as svchost.exe from a staging directory, identified by its known hash, or by an unsigned PE importing config.dll with a matching MZ header and embedded config.dll reference (reduces FPs from legitimately signed software that imports a DLL of the same name)
This rule detects potential DLL sideloading activity associated with the Lorem Ipsum Loader. It monitors image load events to identify specific legitimate Windows binaries (often used for sideloading) that load non-system DLLs. The rule filters out legitimate DLL loads from standard Windows system directories to highlight anomalous behavior.
Detects instances where the Windchill Java/Tomcat application server process spawns command-line interfaces such as cmd.exe, powershell.exe, or bash.exe. This activity is indicative of post-exploitation behavior associated with CVE-2026-12569, where an attacker exploits a deserialization vulnerability to execute arbitrary commands, often for the purpose of dropping web shells.
Detects the execution of Python-based tunneling tools located in the 'C:\Users\Public\indigo\' directory, which is a known staging location for malicious implants used in covert tunneling operations.
Detects instances where a PowerShell session is initiated from Windows Terminal (wt.exe) and subsequently executes a command to download an archive file (e.g., .zip) using common download cmdlets or methods. This pattern is often indicative of an attacker downloading and staging malicious payloads.
Detects DNS lookups and outbound network connections to known command and control (C2) and staging domains associated with the STAC4924 campaign. The rule performs strict matching on domain names to ensure that subdomains are identified while avoiding false positives from partial string matches within URLs.
Detects the modification of the wsl.exe binary from its installed location.
Attackers can replace the legitimate wsl.exe binary with a malicious payload in its place, which is then executed when the user runs WSL, acting as a proxy execution and defense evasion technique.
Attackers can replace the legitimate wsl.exe binary with a malicious payload in its place, which is then executed when the user runs WSL, acting as a proxy execution and defense evasion technique.
The following analytic detects the creation or connection to known suspicious C2 named pipes.
It leverages Sysmon EventCodes 17 and 18 to identify known default pipe names used by C2 tools.
If confirmed malicious, this could allow an attacker to abuse these to potentially gain persistence, command and control, or further system compromise.
It leverages Sysmon EventCodes 17 and 18 to identify known default pipe names used by C2 tools.
If confirmed malicious, this could allow an attacker to abuse these to potentially gain persistence, command and control, or further system compromise.
Detects potentially malicious use of rundll32.exe by monitoring for execution from suspicious directory paths (e.g., Temp, AppData, Downloads), execution with arguments missing common legitimate entry points, unexpected network connections originating from rundll32.exe, or rundll32.exe spawning child processes (excluding known safe binaries like conhost.exe or werfault.exe).
Detects modifications to the Windows Subsystem for Linux (WSL) InstallLocation registry key.
Attackers can modify this registry key to redirect the execution flow of legitimate WSL processes (wsl.exe or bash.exe) to a malicious payload, acting as a proxy execution and defense evasion technique.
Attackers can modify this registry key to redirect the execution flow of legitimate WSL processes (wsl.exe or bash.exe) to a malicious payload, acting as a proxy execution and defense evasion technique.
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