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This YARA rule detects Portable Executable (PE) files associated with the Nimplant C2 framework. It identifies Nimplant by looking for specific DLL names (some with common typos), Nim-related source file names (e.g., pixle.nim, urls.nim), Windows API function calls commonly used by malware (e.g., GetComputerNameW, CreateProcess, VirtualProtect), Zlib patterns, TLS callbacks, and specific strings like registry keys and a version string "@NimPlant v1.4". The rule requires the file to be a valid PE file (MZ header).
