
Duo Tech
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This rule detects the abuse of the Windows 'search-ms' URI protocol handler to trigger a search against a remote WebDAV share for '.scr' (screensaver) files. This technique is often used to bypass security controls and trick users into executing malicious binaries hosted on attacker-controlled infrastructure.
Detects rundll32.exe loading davclnt.dll, which triggers the WebClient service to auto-start and perform a network callout to retrieve WebDAV-hosted content.
Detects the access or execution of Windows Library files (.library-ms) which can be leveraged as a vector for forced NTLM authentication (CVE-2025-24054). By placing a maliciously crafted library file on a system or network share, an attacker can cause the victim's machine to automatically authenticate to an external resource, potentially exposing user credentials for NTLM relay or cracking.
Detects the presence or loading of files named 'profiler16.dll' or 'loader-pool.db', which are associated with in-memory payload staging and execution techniques typically used by IDAT (a modular, multi-stage loader).
Detects Inno Setup Installer executables carrying an appended/embedded payload overlay, consistent with the Inno Setup unpacking stage of the CURP campaign delivery chain
Detects process creation consistent with CVE-2025-33053 exploitation, where a crafted Internet Shortcut (.url) file sets its target to iediagcmd.exe with a WorkingDirectory pointing to a WebDAV DavWWWRoot UNC path, causing iediagcmd.exe to resolve and launch LOLBins (route.exe, ipconfig.exe, netsh.exe, ping.exe) from the attacker-controlled WebDAV share instead of the legitimate System32 directory.
Detects outbound TCP network traffic originating from internal assets to known hardcoded IP addresses and ports associated with PureRAT and DlrtyGames RAT malware families, indicating active command and control (C2) communication.
Detects HTTP POST requests directed at known Kratos Phishing-as-a-Service (PhaaS) URI paths, specifically 'PTT', 'SOft', or 'mini.php'. These paths are commonly associated with credential exfiltration activities.
This rule detects unauthorized or suspicious access to the Komari remote administration panel over unencrypted HTTP. Detecting such access is critical as it indicates potential management interface exposure or unauthorized administrative activity within the network.
Detects the creation of Azure Container Registry (ACR) scoped access tokens or scope maps. Adversaries may use these features to establish persistent, least-privileged access to registry resources, often bypassing standard authentication monitoring.
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