Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
1,005 detections
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Detects the execution chain of the Sauron Loader malware. The rule identifies the side-loading of 'rnp.dll' by 'rnpkeys.exe' originating from the 'C:\ProgramData\keyroll' directory, followed by the loading of 'tdwp.dll' which facilitates in-memory decryption and execution. Persistence is confirmed by the creation or update of a scheduled task named 'keyroll'.
Detects known Sauron Loader MSI installer/DLL samples by SHA-256 or the rnpkeys.exe/rnp.dll/tdwp.dll side-load pairing referenced together in a file
Detects the execution of the Windows Workspaces Broker process (wkspbroker.exe) when it loads a library (DLL) from a path within the RemoteApp Gateway directory under LOCALAPPDATA. This behavior is associated with DLL side-loading techniques used to execute malicious payloads such as the Xray-core implant.
Detects the loading of specific DLL files (winfsp-x64.dll or DukeQt.dll) where the loading process or the DLL file location originates from outside the legitimate system directory (C:\Windows\). This behavior is often associated with DLL sideloading or search order hijacking where a malicious actor places a DLL in an untrusted directory to be loaded by a legitimate application.
Detects the loading of common Windows system DLLs (e.g., version.dll, dbghelp.dll) from suspicious, non-standard directory paths. Such behavior is often indicative of DLL side-loading or hijacking attempts, where an adversary places a malicious DLL with the same name as a legitimate one in a writable directory to influence application execution.
Detects legitimate, signed executables from trusted system locations (e.g., System32) loading DLLs from non-standard, user-writable directories (e.g., Temp, AppData). This activity is a classic indicator of DLL side-loading, where an adversary places a malicious DLL in a directory to be picked up by a legitimate application, enabling the execution of malicious code under the context of a trusted process.
Detects a fake ClaudeDesktop.exe installer / tampered libcef.dll sideload chain deploying the SectopRAT .NET RAT, requiring multiple corroborating indicators and a PE anomaly consistent with DLL sideloading rather than a single generic string
Detects SectopRAT (Arechclient2) .NET RAT binaries deployed via tampered libcef.dll / JetBrains helper DLL sideloading that harvest browser credentials, cookies, credit card data, and files. Tightened to require combined sideload+family+target indicators plus .NET CLR import evidence, avoiding standalone generic strings.
Detects DLL side-loading where a known legitimate signed executable, often associated with security utilities, loads a DLL from a non-standard, user-writable directory (such as Temp, AppData, or ProgramData). This behavior is characteristic of APT10's (Stone Panda/Cicada) historical tradecraft in MSP environments to execute modular PlugX RAT payloads.
Detects the UAT-11587 TestAssembly.dll downloader by its shared AssemblyAttribute GUID b2b3adb0-1669-4b94-86cb-6dd682ddbea3 embedded in .NET metadata across all campaign builds
Detects Antino backdoor binaries (slc.dll and standalone) via embedded AntinoApp application manifest string and Rust PDB path patterns matching GitHub Actions Windows runner structure.
Detects behavior consistent with the Kothamine agent, where a recently dropped DLL in a temporary directory is loaded by a short-lived explorer.exe process. This rule monitors for file creation, subsequent module loading by the explorer process, and ensures the process was spawned in close proximity to the file activity, indicating likely process injection.
Detects behavior consistent with the Kothamine agent, where a recently dropped DLL in a temporary directory is loaded by a short-lived explorer.exe process. This rule monitors for file creation, subsequent module loading by the explorer process, and ensures the process was spawned in close proximity to the file activity, indicating likely process injection.
Detects behavior consistent with the Kothamine agent, where a recently dropped DLL in a temporary directory is loaded by a short-lived explorer.exe process. This rule monitors for file creation, subsequent module loading by the explorer process, and ensures the process was spawned in close proximity to the file activity, indicating likely process injection.
Detects behavior consistent with the Kothamine agent, where a recently dropped DLL in a temporary directory is loaded by a short-lived explorer.exe process. This rule monitors for file creation, subsequent module loading by the explorer process, and ensures the process was spawned in close proximity to the file activity, indicating likely process injection.
Detects a suspicious execution sequence associated with the SectopRAT loader. The rule monitors for ReportDump.exe being launched from a ProgramData directory by common scheduling or service host processes, followed immediately by the loading of a malicious sdkcra.dll library.
Detects instances where a signed executable loads an unsigned, invalid, or revoked DLL that shares the same base filename, located outside of standard Windows system directories (System32, SysWOW64, WinSxS). This behavior is characteristic of DLL search-order hijacking and side-loading attacks often employed by loaders and malware such as Cobalt Strike.
Detects the presence of the Amatera secondary-payload archive component, which consists of a legitimate signed Chrome executable (platform_experience_helper.exe) paired with a malicious NativeAOT-compiled Secur32.dll designed for DLL side-loading. The malicious DLL is identified by its interaction with the GetUserNameExW Windows API.
Detects a malicious payload masquerading as a ClaudeDesktop installer that uses DLL sideloading via a tampered libcef.dll and a repurposed JetBrains binary to execute the SectopRAT .NET RAT.
Detects the use of a malicious 'borlndmm.dll' file intended for DLL side-loading to deploy the OnyxC2 stealer payload. The rule identifies files masquerading as NVIDIA graphics libraries or Borland memory managers that contain embedded encrypted payloads, matching known indicators for OnyxC2 activity.
Detects OnyxC2 RunPE injection behavior where a process drops or loads a suspicious sideloaded DLL (specifically borlndmm.dll) and immediately initiates a secondary process instance, indicative of process hollowing or memory unpacking of a malicious payload.
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