Shadows VMB
@Vemorian_MortTrusted contributorCompletionist
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122 detections
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Detects potential cloud storage object discovery activity in Azure Blob Storage by identifying anomalous listing or enumeration operations from callers, including high request counts, extensive container access, high failure rates, or anonymous authentication.
Detects the deployment or creation of containers (via Docker, Podman, Nerdctl, Crictl, or Kubectl) with elevated risk flags such as privileged mode, host namespace sharing, root mounts, docker socket access, or initiated from web application parent processes.
Detects potential debugger detection evasion attempts via command line arguments associated with debugging checks or process execution of debugging utilities, as well as persistence configuration using Image File Execution Options (IFEO) or AeDebug registry keys targeting debuggers.
Detects a sequence of events indicative of Bring Your Own Vulnerable Driver (BYOVD) attacks or security control impairment. It monitors for the loading of a rare driver (seen on 3 or fewer hosts), accompanied by either the creation of a kernel service or defense tampering activities such as disabling security monitoring or stopping security-related services.
Detects potential SSH agent hijacking where process command line activities reference SSH authentication sockets or environment variables, followed closely by a successful SSH connection to a remote host from the same device.
Detects suspicious command-line execution patterns involving Unix shells (bash, zsh, sh) spawned from terminal applications where tools like curl or wget are piped directly into a shell, base64 decoding is performed, osascript executes dialogs, or quarantine attributes are removed.
Detects the first-seen external Remote Desktop Protocol (RDP) logon event for a specific user and network provider (ASN) within the last 24 hours, compared against a 14-day historical baseline. This can indicate initial access via compromised credentials or RDP exploitation.
This rule detects processes invoking sensitive Windows API functions related to token manipulation (such as DuplicateToken, ImpersonateLoggedOnUser, or CreateProcessAsUser) when initiated by suspicious parent processes like PowerShell, CMD, or WScript. It uses a scoring system that increases risk if the execution occurs from common non-standard directories (e.g., Temp, Public) or is associated with non-system account contexts.
Detects the use of msxsl.exe or wmic.exe to process .xsl or .xslt files, potentially indicating the execution of embedded scripts. The rule calculates a risk score based on the combination of the utility name, the presence of an XSL/XSLT file reference in the command line, usage of suspicious file paths (e.g., Temp, AppData), and being launched by potentially suspicious parent processes like cmd.exe or powershell.exe.
This rule monitors for potentially malicious use of Windows Subsystem for Linux (WSL) binaries. It detects the execution of common command-line tools for reconnaissance, download, or lateral movement within the WSL environment, identifies the use of WSL to execute Windows 'living-off-the-land' binaries (Lolbins), and flags the installation of WSL components.
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