Arnold Chan
@slazTrusted contributorCompletionist
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7,399 detections
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Detects instances where 'ERAAgent.exe', part of the ESET Remote Administrator agent, loads the 'dpapi.dll' library from a location outside of standard Windows System directories (System32 or SysWOW64). Furthermore, the rule flags this behavior if the loaded 'dpapi.dll' file is either unsigned or contains an untrusted digital signature, which may indicate a malicious DLL side-loading or masquerading attempt to access protected system credentials.
Detects the addition of suspicious file names or known potentially unwanted program artifacts to Windows Run registry keys, often used for persistence. The rule correlates registry modifications with potential installer process activity.
Detects a specific evasion behavior associated with the NinjaMare malware, where a process idles for at least 7 minutes before moving its window to off-screen coordinates during automated mouse or keystroke input, followed by restoring the window to its original position.
Detects instances where the Windows Remote Management host process (wsmprovhost.exe) is associated with the execution of specific suspicious files (config.toml, cplsupport.exe, or wtass.exe) within a short time window. This activity often indicates post-exploitation behavior or remote execution of secondary tools using WinRM.
Detects modifications to the 'metrics_interval' registry value within the 'Software\SynapseAgent' key. This activity suggests configuration changes to the SynapseAgent, which could indicate tampering with agent telemetry or polling frequency.
Detects Toy Ghouls backdoor binaries (cplsupport.exe and wtass.exe) via known MD5 hashes or the presence of these files alongside a config.toml configuration file.
Detects the presence of Toy Ghouls' mqtt-bird-agent or matrix-bird-agent backdoor binaries. These binaries are identified by specific filenames, the inclusion of ChaCha20-Poly1305 cryptographic indicators, and operations involving the Windows MachineGuid registry key used to seal configuration files.
Detects the execution of known potentially malicious tools cplsupport.exe and wtass.exe with install parameters, or the creation of a Windows service associated with these filenames using sc.exe. This activity is indicative of service-based persistence or malicious software installation.
Detects unauthenticated requests to the WordPress admin-ajax.php endpoint utilizing the 'super_create_nonce' action. This action allows an unauthenticated user to generate a valid session nonce, which is a critical bypass mechanism often required for the exploitation of vulnerabilities within the Super Forms plugin, such as CVE-2026-14894.
Detects files that present a valid PNG magic header at the start but contain embedded PostScript instructions. This pattern is commonly used to exploit vulnerabilities in image processing libraries like Ghostscript or ImageMagick, which may attempt to process the file as PostScript despite the misleading header.
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