Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
426 detections
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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 suspicious inter-process communication via named pipes and cross-process thread injection targeting known sideloading host processes, specifically associated with the SPECTRALVIPER threat activity.
This rule detects potential process injection attempts targeting the Windows Update Service (wusvc.exe). It monitors for suspicious API calls, including VirtualAlloc, VirtualProtect, WriteProcessMemory, and QueueUserAPC, or memory page protections set to PAGE_EXECUTE_READWRITE within the context of the wusvc.exe process. The detection requires multiple distinct indicators of injection to be present, reducing the likelihood of flagging benign administrative activities.
Detects techniques associated with the SharkLoader malware (StrikeShark campaign) that bypass loader locks via self-injection. It monitors Sysmon Event ID 8 (CreateRemoteThread) for suspicious self-injection from specific staging directories (\xwreg\ or \xgdf\) and Sysmon Event ID 10 (ProcessAccess) for instances where these binaries open themselves with full access rights to manipulate the loader lock prior to Cobalt Strike delivery.
Detects the execution of mavinject.exe with the /INJECTRUNNING command-line argument. This utility is a signed Microsoft binary that can be abused by adversaries to inject arbitrary DLLs into the address space of running processes, a technique often used to evade detection or achieve code execution.
Detects a non-browser process creating a remote thread with a LoadLibraryW start function targeting chrome.exe, msedge.exe, or brave.exe, which is indicative of a suspend-inject-resume technique used to load unauthorized DLLs into a browser process, potentially bypassing browser protections such as App-Bound Encryption.
Detects sandbox evasion behavior linked to the Operation DragonReturn DcRAT loader. The malware uses the GetTickCount64 API in a tight loop with Sleep(1) calls to identify and detect sandbox environments that accelerate system time. The rule monitors for the suspicious execution of specific executables and subsequent process injection into svchost.exe.
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 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 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 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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