Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects the execution of common network share enumeration tools or scripts, specifically looking for the execution of netscan.exe (or similar) or PowerShell commands utilizing common share finding utilities like Invoke-ShareFinder, CheckShareAccess, or commands exporting share information to files.
Detects attempts to dump the memory of the Local Security Authority Subsystem Service (LSASS) process using the built-in Windows comsvcs.dll via rundll32.exe or tasklist commands, a common technique used for credential harvesting.
Detects the execution of ClickOnce applications (via dfsvc.exe, rundll32.exe with dfshim.dll, or by opening .application/.appref-ms files) that are being launched from a remote web or file share source. This behavior is a common technique for proxying malicious code execution.
Detects automated payroll fraud attempts by monitoring for scripting engines initiating HTTP connections to known payroll platforms (e.g., Workday, ADP) or spawning child processes with payroll-related command-line arguments. This behavior is indicative of post-AiTM session abuse, where attackers manipulate financial accounts or automate unauthorized payroll changes via malicious scripts.
Detects the installation of Visual Studio Code extensions from sources other than the official Marketplace. This activity is monitored by checking process command line arguments for the --install-extension flag combined with external URLs or local file paths, which may indicate an attempt to install malicious extensions.
Detects a burst of commands consistent with Akira ransomware's recovery inhibition phase, where multiple system recovery features are disabled or deleted (e.g., Volume Shadow Copies, Windows Backup Catalog, Boot Recovery) within a 5-minute window on the same endpoint.
This rule monitors for suspicious activities related to System Informer (formerly Process Hacker) and its associated service (phsvc.exe). It detects unauthorized or unusual execution patterns, such as unsigned client binaries, shell spawning, or the use of specific proof-of-concept (PoC) command-line arguments that indicate attempts to abuse the service's privileged capabilities for process management or evasion.
Detects the installation of RustDesk as a persistent Windows service. RustDesk is a remote access tool that has been observed in intrusion chains, including those involving Akira ransomware, to provide hands-on-keyboard access to threat actors.
Detects a suspected malicious activity sequence where PowerShell is used to download the cloudflared utility from GitHub, followed by a silent MSI installation of cloudflared. This sequence is indicative of post-exploitation activity often associated with Bumblebee malware leading to the establishment of covert C2 tunneling, frequently observed in Akira ransomware intrusion chains.
Detects the execution of consent.exe from a specific Bumblebee loader installation path (ApplicationInstallationFolder_11) within the user's temporary directory. This activity is indicative of the Bumblebee loader, which utilizes DLL side-loading of a malicious msimg32.dll and incorporates locale-based checks to evade execution in certain regions.
This rule monitors for the creation of the 'adprinterpipe' named pipe by the AnyDesk remote support application. This behavior can be indicative of remote session activity or misuse of the AnyDesk software, often used as a vector for remote command and control.
Detects the creation of a 'MasterPackager.Updater' scheduled task by a suspicious instance of RegAsm.exe (hollowed process). The task is configured to execute a VBScript located in C:\Users\Public every two minutes, a known tactic associated with AsyncRAT delivery chains.
Detects the execution of Gitea/Act runner or Docker containers with dangerous configurations that allow host-level access, such as privileged mode, host PID/IPC namespaces, or disabled security profiles (AppArmor/Seccomp). These configurations are often used to escape container isolation or execute commands on the underlying host.
Detects instances where the 'splunkd' process acts as a parent to common command-line interpreters (e.g., bash, powershell, python) or network utilities (e.g., curl, wget, netcat, nmap). This behavior is highly suspicious as the Splunk daemon should not typically invoke shells or network tools, and may indicate exploitation of the Splunk environment, lateral movement, or unauthorized task execution.
This rule detects a remote interactive logon (Logon Type 10) via RDP, followed by a PowerShell process executing 'net.exe' with sensitive administrative arguments such as 'administrator', '/active:yes', or '/dom'. This pattern is highly indicative of an adversary attempting to elevate privileges or modify domain/local account properties after establishing initial access via Remote Desktop.
This rule detects the execution of 'net.exe' or 'net1.exe' by 'powershell.exe' to perform potentially malicious Active Directory administrative tasks. Specifically, it monitors for commands related to creating or modifying domain users, adding users to privileged groups such as 'Enterprise Admins', or configuring backup accounts, which are common patterns for persistence and privilege escalation.
This rule detects the execution of 'net.exe' or 'net1.exe' by 'powershell.exe' to perform potentially malicious Active Directory administrative tasks. Specifically, it monitors for commands related to creating or modifying domain users, adding users to privileged groups such as 'Enterprise Admins', or configuring backup accounts, which are common patterns for persistence and privilege escalation.
Detects execution of the AdaptixC2 agent (AdgNsy.exe), anomalous WMI lateral movement (WmiPrvSE.exe spawning processes from AppData\Local), and suspicious outbound network connections from AppData\Local processes to non-standard ports.
Detects suspicious or unexpected child processes spawned from a Ghidra JVM environment. This rule is designed to monitor for potential Remote Code Execution (RCE) or Arbitrary Code Execution (ACE) attempts targeting Ghidra, where the application environment is abused to launch system shells, interpreters, or common attacker tools.
Detects attempts by a user or process to clear audit logs, system logs, or command history, often used by adversaries to cover their tracks on a compromised system. The rule monitors for file deletion (rm, shred), content truncation (truncate), selective line removal (sed -i), and shell history suppression (HISTFILE=/dev/null, history -c) against sensitive log and history paths.
Detects attempts to perform a container escape using path traversal via the 'docker cp' command. This rule monitors for malicious directory traversal sequences, the creation of specific artifacts used in known PoC exploits for container escapes, and the subsequent execution of scripts or shell interpreters by container management processes.
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