Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
106 detections
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Detects observable hiding actions targeting ScreenConnect (ConnectWise Control) clients, such as modifying registry keys to hide uninstall entries, using attrib.exe to set hidden attributes, or launching management tools with hidden window styles.
Detects payload staging activity associated with threat actor UAC-0099, correlating the creation or modification of executable/DLL files in disguised LocalAppData directories with decoy images or library configuration files within a one-hour window.
Detects payload staging activity associated with threat actor UAC-0099, correlating the creation or modification of executable/DLL files in disguised LocalAppData directories with decoy images or library configuration files within a one-hour window.
Detects payload staging activity associated with threat actor UAC-0099, correlating the creation or modification of executable/DLL files in disguised LocalAppData directories with decoy images or library configuration files within a one-hour window.
Detects payload staging activity associated with threat actor UAC-0099, correlating the creation or modification of executable/DLL files in disguised LocalAppData directories with decoy images or library configuration files within a one-hour window.
Detects payload staging activity associated with threat actor UAC-0099, correlating the creation or modification of executable/DLL files in disguised LocalAppData directories with decoy images or library configuration files within a one-hour window.
Detects a suspected anti-debugging and anti-instrumentation sequence on Android devices. This rule identifies instances where 'getprop' is used to query system properties related to device security (ro.debuggable, ro.secure) followed shortly by a local network probe to the standard Frida instrumentation server port (27042). This combination is indicative of malware gating its execution to ensure it is not running within a controlled or debugged environment.
Detects a suspected anti-debugging and anti-instrumentation sequence on Android devices. This rule identifies instances where 'getprop' is used to query system properties related to device security (ro.debuggable, ro.secure) followed shortly by a local network probe to the standard Frida instrumentation server port (27042). This combination is indicative of malware gating its execution to ensure it is not running within a controlled or debugged environment.
Detects a suspected anti-debugging and anti-instrumentation sequence on Android devices. This rule identifies instances where 'getprop' is used to query system properties related to device security (ro.debuggable, ro.secure) followed shortly by a local network probe to the standard Frida instrumentation server port (27042). This combination is indicative of malware gating its execution to ensure it is not running within a controlled or debugged environment.
Detects the execution of PowerShell or PowerShell ISE where the parent process is the console host (conhost.exe) and the command-line arguments are either missing, empty, or represent an bare execution of the binary. This pattern is commonly associated with fileless execution techniques where attackers attempt to hide command-line arguments or evade logging.
Detects the use of fsutil.exe to create a hardlink pointing to files within a user's AppData directory, specifically involving a folder named 'doxc'. This behavior is often associated with file manipulation to bypass security controls or masquerade malicious files.
Detects suspicious activity related to the Windows Subsystem for Linux (WSL), such as installing new distributions (especially penetration testing ones like Kali), importing custom images, or executing commands non-interactively. Attackers may use WSL to run malicious Linux binaries, hide artifacts, and evade defenses.
Detects the creation of a hidden file named '.Outlook' within the user's AppData Roaming directory. This behavior is atypical for standard Outlook operations and may indicate malicious activity, such as configuration tampering, persistence mechanisms, or data staging by malware.
Detects suspicious activity related to the Windows Subsystem for Linux (WSL), such as installing new distributions (especially penetration testing ones like Kali), importing custom images, or executing commands non-interactively. Attackers may use WSL to run malicious Linux binaries, hide artifacts, and evade defenses.
Detects Office 365 calendar events created or modified with a specific far-future date (2050-05-13) or dates scheduled more than 10 years into the future. This behavior is associated with the HOLLOWGRAPH backdoor, which uses calendar items as a C2 channel to hide tasking or exfiltration events from the mailbox owner.
Detects when an adversary is trying to hide it's action from Sysmon logging based on error messages
Detects Microsoft 365 Outlook calendar events being updated via Graph API where the subject is changed to a suspicious C2-like string (e.g., 'Boss Report ID:' or 'Boss update ID:'). This behavior is consistent with attackers using Outlook calendar events as a covert communication channel or for command and control signaling.
Detects Microsoft 365 Outlook calendar events being updated via Graph API where the subject is changed to a suspicious C2-like string (e.g., 'Boss Report ID:' or 'Boss update ID:'). This behavior is consistent with attackers using Outlook calendar events as a covert communication channel or for command and control signaling.
Detects Microsoft 365 Outlook calendar events being updated via Graph API where the subject is changed to a suspicious C2-like string (e.g., 'Boss Report ID:' or 'Boss update ID:'). This behavior is consistent with attackers using Outlook calendar events as a covert communication channel or for command and control signaling.
KQL Query from file: INC Ransomware Command Execution
Detects the simultaneous creation of specific Windows Defender quarantine artifacts (C:\Windows\Temp\tmp[16 chars]) and RP_ staging directories, which is indicative of the RoguePlanet race condition exploitation technique. This activity involves leveraging ReadDirectoryChangesW to synchronize file operations and bypass security controls.
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