Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files using the "/extract" argument from potentially suspicious paths.
This rule detects the creation of an Alternate Data Stream (ADS) that contains an executable file. It specifically looks for the presence of a non-empty Import Hash (Imphash) within the created stream, indicating executable content. The rule filters out streams with a null Imphash, which typically correspond to non-executable data.
This rule detects the execution of well-known DNS exfiltration and tunneling tools, specifically 'iodine.exe' and 'dnscat2'. These tools are commonly used by adversaries to establish covert communication channels over DNS, allowing for data exfiltration and command and control activities that might bypass traditional network defenses.
Detects the execution of netsh commands that configure a new port forwarding (PortProxy) rule. This can be used by adversaries for lateral movement, defense evasion, or command and control.
Detects exploits that leverage CVE-2017-11882 by monitoring for the execution of EQNEDT32.EXE as a parent process, which is indicative of the vulnerability being exploited to launch further malicious processes like mshta.exe.
Detects suspicious child processes spawned by the Veeam SQL Server database process. This activity could indicate a successful Remote Code Execution (RCE) or SQL Injection attack against the Veeam database, where an attacker has managed to execute system commands or scripts.
Detects child processes of 'dfsvc.exe' that are launched from the 'AppData\Local\Apps\2.0\' directory, which is indicative of a ClickOnce deployment execution. This rule aims to identify potentially malicious or unexpected ClickOnce application launches.
This rule detects the creation of specific files that are commonly generated by the BloodHound collection tool, SharpHound. These files, such as 'BloodHound.zip', '_computers.json', '_domains.json', '_groups.json', and others, contain collected Active Directory information. The presence of these files on a system indicates that BloodHound or SharpHound has been used for reconnaissance, which is often a precursor to further malicious activity within an Active Directory environment.
Detects the creation of named pipes that match specific patterns known to be used by Cobalt Strike's Malleable C2 profiles. These patterns are often indicative of Cobalt Strike beacon activity on a system.
Detects the creation of named pipes that have been observed in use by known APT groups or malware. This rule specifically looks for a predefined list of pipe names associated with various malicious activities, including those used by Project Sauron, SolarWinds SUNBURST, LiquidSnake, Turla HyperStack, Sofacy group malware, Hidden Cobra Hoplight, Pacifier, Snatch Ransomware, Covenant, Qbot, Uroburos Malware, PoshC2, Wild Neutron, Cloud Hopper (RedLeaves), Equation Group malware, Cobra Trojan, Crackmapexec, and Emissary Panda (Hyperbro).
Detects the execution of Netcat (nc.exe, ncat.exe, netcat.exe) with suspicious command-line arguments often associated with establishing listener modes, reverse shells, or proxy connections. Netcat is a versatile networking utility that can be used by adversaries for command and control (C2) communication, data exfiltration, or creating backdoors, often leveraging non-application layer protocols.
Detects specific command-line patterns and process image paths associated with the REvil ransomware group's attack on Kaseya VSA. The rule looks for execution of 'cert.exe' and 'MsMpEng.exe' from unusual paths, as well as specific file deletion commands and references to 'Kaseya VSA Agent Hot-fix' and 'agent.exe'/'agent.crt' in 'kworking' or 'kworking1' directories, which were observed during the Kaseya supply chain incident.
This rule detects the use of Mimikatz by looking for specific keywords associated with its modules and functionalities within Windows Event Logs. These keywords cover various Mimikatz features, including credential dumping (LSASS, SAM, LSA secrets), Kerberos ticket manipulation (golden ticket, pass-the-ticket), DPAPI masterkey extraction, and other miscellaneous functions. Some keywords may be more prevalent in older Mimikatz versions but are still used by threat actors.
This rule detects suspicious DNS queries that are characteristic of Cobalt Strike beacons. Specifically, it looks for DNS query names starting with 'aaa.stage.' or 'post.1', or containing '.stage.123456.'. These patterns are known indicators of Cobalt Strike's DNS communication for staging or command and control.
Detects the creation of a file by WinRAR with a double extension and a space in the filename, specifically targeting the temporary directory. This pattern is indicative of an exploitation attempt related to CVE-2023-38331, a vulnerability in WinRAR that allows for arbitrary code execution through specially crafted archives.
Detects a network connection initiated by an "Msiexec.exe" process over port 80 or 443. Adversaries might abuse "msiexec.exe" to install and execute remotely hosted packages. This rule helps hunt for potentially anomalous or suspicious communications.
Detects potential process patterns related to Cobalt Strike beacon activity. This includes specific command-line executions like 'whoami' from the C:\Temp\ directory, or 'cmd.exe /c echo' piping output to a named pipe when the parent process is 'runonce.exe' or 'dllhost.exe'. It also identifies 'conhost.exe' being spawned with particular arguments in conjunction with these suspicious parent command lines.
This rule detects the execution of 'csc.exe' as a sub-process of 'WINWORD.EXE'. This specific process relationship is indicative of exploitation attempts leveraging CVE-2017-8759, where a crafted document (opened by Winword) can lead to the execution of arbitrary code, often using csc.exe (C# compiler) to compile and execute malicious code on the fly.
This rule detects specific command-line parameters and image paths associated with Mustang Panda droppers. It looks for patterns like 'Temp\wtask.exe /create', specific environment variable manipulations ('%windir:~-3,1%%PUBLIC:~-9,1%', '%windir:~-1,1%'), VBScript execution with file paths containing 'C:\Users\' and '.txt', and the execution of 'Temp\winwsh.exe'. These indicators are characteristic of the dropper stage used by the Mustang Panda APT group.
Detects the loading of a malicious 'version.dll' from the 'C:\Windows\ADFS\' directory, a technique used by the NOBELIUM threat group with their FoggyWeb backdoor to achieve DLL hijacking.
This rule detects the creation of a remote thread within the KeePass.exe process. This activity is highly suspicious as it can indicate an attacker attempting to inject malicious code into KeePass to extract sensitive information, such as master passwords or stored credentials. This technique is commonly used by tools like KeeFarce and KeeThief for password dumping from KeePass.
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