Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects malicious activity associated with the TinyRCT backdoor, specifically focusing on the AppDomainManager injection technique. It monitors for the presence of known malicious file names, specific process command-line arguments involving VMware paths, and known file hashes connected to the chrome_setup.zip attack chain, as well as network communication with known malicious IP addresses.
Detects suspicious API call sequences indicative of process injection into the 'svchost.exe' system process. The rule monitors for a combination of memory manipulation and thread execution APIs, such as 'ZwWriteVirtualMemory', 'NtDuplicateObject', 'VirtualAllocEx', and 'CreateRemoteThread', when initiated by processes other than legitimate Windows system processes. This is a common indicator of unauthorized code execution or lateral movement.
Detects the presence of a specific global event object 'Global\ShitSetupOn26126k' used as a mutex or single-instance check by the DragonReturn malware dropper.
Search Common EventCodes (EventID’s) for Suspicious Behavior
Detects multiple indicators of process injection into svchost.exe including suspicious process access rights, remote thread creation, unexpected loading of .NET CLR modules, and the subsequent spawning of suspicious child processes. The rule aggregates these signals to identify potential fileless execution or persistence mechanisms within a legitimate system process.
Detects potential process injection attempts involving the Windows Update service (wusvc.exe). The rule monitors for remote thread creation or APC injection activities combined with memory operations (VirtualAlloc or VirtualProtect) that set memory regions to PAGE_EXECUTE_READWRITE, which is a common pattern for running shellcode in a hijacked process context.
Detects the SNOWLIGHT dropper (wusvc.exe) executing process injection via CreateRemoteThread. The malicious dropper, often found in user-writable directories, mimics the legitimate Windows Update service (wusvc.exe) and utilizes advanced injection techniques, including PEB traversal for API resolution and APC injection, to deploy the VSHELL RAT.
This rule detects suspicious process access or remote thread creation events where AdgNsy.exe interacts with WAB.exe (Windows Address Book). Such activity is indicative of potential process injection or unauthorized memory access to steal contact data or manipulate process memory.
This rule detects activities associated with the MiniBrowse tool, specifically targeting unauthorized access to browser credential stores (Login Data, Cookies) and staging files for exfiltration. Additionally, it monitors for process injection events where MiniBrowse components are injected into legitimate browser processes such as Chrome or Edge.
Stealthy backdoor MLTBackdoor linked to KongTuke ClickFix and ModeloRAT campaigns
Campaign converting compromised FortiGate firewalls into credential stealers
Detects suspicious cross-process activity, such as process hollowing, where an unsigned or unusually located process (e.g., in AppData, Temp, or Downloads) attempts to inject code into legitimate Windows system processes like svchost.exe or explorer.exe.
This rule monitors Windows Sysmon Event ID 10 (ProcessAccess) for suspicious activity where the CallTrace indicates the use of direct syscalls (bypassing standard Win32 DLL chain) or anomalous execution paths while targeting high-value processes such as security agents, system services, and critical infrastructure (e.g., lsass.exe, svchost.exe).
Detects the execution of PowerShell (powershell.exe or pwsh.exe) containing command line arguments indicative of malicious activity, including encoded commands, memory loading, assembly loading, thread creation, or attempts to bypass AMSI (Antimalware Scan Interface). The rule specifically excludes processes signed by Microsoft to reduce false positives.
Detects the execution of Microsoft Application Virtualization Injector (mavinject.exe) with the '/injectrunning' command-line argument. This utility is frequently abused by adversaries to inject malicious DLLs into target processes, facilitating arbitrary code execution while potentially bypassing security detections due to the binary's legitimate provenance.
Detects network activity associated with the SPECTRALVIPER malware family attributed to OceanLotus (APT32). The rule monitors for connections to known malicious C2 infrastructure (IPs and domains) and behavioral anomalies where the 'OneDrive.Sync.Services.exe' process makes outbound network connections to non-private addresses, which is indicative of process injection.
Detects OceanLotus-related DLL sideloading and code injection techniques. This rule monitors for masqueraded executables (IntelAudioService, HP Toolbox variants) launched with suspicious flags (appmodel/StateRepository, -uiDll), the loading of the SPECTRALVIPER loader module (DtlCrashCatch.dll), and cross-process injection attempts from known malicious sideloading binaries.
Detects cross-process memory operations and remote thread creation associated with the SPECTRALVIPER sideloading chain. It specifically flags injections originating from IntelAudioService.exe into OneDrive or svchost processes, the loading of the DtlCrashCatch.dll module, and general suspicious remote thread or memory write operations against these targets, excluding known system processes and security software.
This rule detects suspicious remote thread creation events (Sysmon Event ID 8) where a process initiates a thread in high-value system processes like lsass.exe, svchost.exe, explorer.exe, or winlogon.exe. It specifically filters out activity originating from common Windows system directories, highlighting potential process injection attempts by unauthorized binaries.
This rule detects suspicious remote thread creation events (Sysmon Event ID 8) where a process initiates a thread in high-value system processes like lsass.exe, svchost.exe, explorer.exe, or winlogon.exe. It specifically filters out activity originating from common Windows system directories, highlighting potential process injection attempts by unauthorized binaries.
Detects unauthorized cross-process memory operations targeting high-value Windows processes (e.g., lsass.exe, svchost.exe) by unsigned or untrusted processes. It also detects indicators of reflective DLL injection within process command lines.
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