Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects in-memory DLL injection where a module is loaded into process memory without a backing file path on disk (action_module_path is null or empty). This technique, often referred to as reflective DLL injection, is used to evade detection. The rule further refines detection by flagging cases where the hosting process itself originates from an unusual or user-writable path, which can be indicative of DLL sideloading. This behavior is consistent with malware like Backdoor.Mistic or ModeloRAT, deployed by threat groups such as Woodgnat (KongTuke).
This YARA rule detects the NoodRAT backdoor by identifying specific byte sequences (patterns) associated with its core functionalities. These functionalities include changing the system name, decrypting configuration data, encrypting and sending data, and receiving and decrypting data. The rule specifically targets Linux ELF executables, indicated by the magic byte `0x464C457F` at offset 0.
