Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
883 detections
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Detects instances where the SimpleHelp RMM agent process initiates a command interpreter or scripting process. This behavior is often indicative of post-exploitation activity, specifically unauthorized script or command execution delivered via a remote support session.
Detects instances where the AnyDesk remote support application spawns suspicious child processes or administrative utilities. This rule specifically alerts on AnyDesk launching interpreters such as PowerShell, CMD, WScript, or utility binaries like dllhost, regsvr32, mshta, and rundll32, or when processes are executed in the context of the SYSTEM account (UserSid S-1-5-18). Such behavior is a common indicator of unauthorized remote access or post-exploitation activity.
This rule monitors for the execution of the RustDesk remote access tool and specifically tracks any child processes spawned by it. Detecting child processes spawned by legitimate remote access tools like RustDesk is a high-fidelity signal for identifying post-compromise activity, such as command execution or lateral movement.
Slack Anomalous Activity Detected
Cortex XDR
This rule detects anomalous activity reported by Slack's internal anomaly detection system. This includes events such as impossible travel, new device access, suspicious IP changes, and other behavioral anomalies that could indicate a compromised account or unauthorized access to a Slack workspace.
Slack Anomalous Activity Detected
Cortex XDR
This rule detects anomalous activity reported by Slack's internal anomaly detection system. This includes events such as impossible travel, new device access, suspicious IP changes, and other behavioral anomalies that could indicate a compromised account or unauthorized access to a Slack workspace.
Detects RDP session hijacking using tscon command
Detects AnyDesk remote desktop used as persistent unauthorized C2 channel
This rule detects network connections initiated by scripting engines (wscript.exe, cscript.exe) or PowerShell (powershell.exe) to common Remote Desktop Protocol (RDP) ports (3389, 3390, 3391). This activity can be indicative of an adversary attempting to establish or pivot RDP sessions using unexpected processes, potentially for lateral movement or persistence.
Monitors for the use of 'sshpass' to automate SSH logins, specifically targeting accounts commonly associated with Oracle/PeopleSoft administration (psoft, oracle, linuxadm) and bypassing strict host key checking. This technique has been observed in ShinyHunters attacks for lateral movement.
This rule detects successful SSH login events utilizing public key authentication for the 'vmanage-admin' user. It aggregates login events by source IP, username, and host to identify patterns of access for this specific administrative account.
Detects the execution of known analysis or command-line tools by AnyDesk, a legitimate remote access tool. This pattern is often observed during post-exploitation activities where an attacker uses authorized remote access tools to execute further commands or deploy diagnostic tools on the compromised host.
Detects indicators of potential exploitation of CVE-2026-46331 in RustDesk, which involves a session permission bypass. The rule identifies suspicious post-exploitation behavior, specifically when rustdesk.exe spawns common command-line or reconnaissance utilities, and when it initiates outbound network connections on non-standard relay ports.
This rule detects a multi-stage attack sequence where a user is subjected to a 'spam bomb' (large volume of inbound emails in a short time), followed by an external Microsoft Teams contact, and concluding with the execution of legitimate remote support tools (Quick Assist or MSRA) on the victim's endpoint, which is a common pattern for social engineering and technical support fraud.
Detects instances where the RustDesk remote access tool spawns suspicious child processes, such as command shells, scripting interpreters, or system administrative utilities. This pattern is often indicative of an adversary abusing legitimate remote access software to execute arbitrary commands, perform discovery, or maintain interactive control over a host.
Detects potential unauthorized remote control activity via RustDesk, specifically identifying sessions that spawn child processes (e.g., cmd.exe, powershell.exe) or exhibit behavior indicative of bypassing permission constraints on RustDesk processes not signed by the official publisher.
Detects potentially unauthorized or suspicious usage of the RustDesk remote access tool. The rule monitors for connections from new peer IDs, the spawning of command shells (cmd.exe or powershell.exe) by the RustDesk process, and the writing of executable or sensitive file types by RustDesk to non-standard directories.
Detects potential lateral movement activity where PowerShell or the Windows Remote Management (WinRM) host process (wsmprovhost.exe) initiates network connections to multiple distinct destination IP addresses over the WinRM default ports (5985/5986). This behavior is characteristic of an adversary using legitimate remote administration tools to pivot or spread across a network.
This rule detects the execution of common remote execution and lateral movement tools by monitoring process command lines for specific keywords. The tools include pth-winexe, crackmapexec, impacket, smbexec, and wmiexec, which are frequently used by adversaries for remote code execution and network reconnaissance.
Monitors for the use of 'sshpass' to automate SSH logins, specifically targeting accounts commonly associated with Oracle/PeopleSoft administration (psoft, oracle, linuxadm) and bypassing strict host key checking. This technique has been observed in ShinyHunters attacks for lateral movement.
Detects network connections over port 3389 (RDP) initiated by processes other than standard Remote Desktop clients (mstsc.exe). This rule specifically looks for suspicious indicators such as execution from non-standard or temporary file paths, or the use of common living-off-the-land binaries (like powershell.exe, cmd.exe, rundll32.exe) that might be acting as a proxy for remote access or lateral movement.
Detects MFA factor activation, device enrollment, and password resets originating from residential/commercial proxy infrastructure, often associated with threat groups like BlackFile/UNC6671/Cordial Spider.
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