Shadows VMB
@Vemorian_MortTrusted contributorCompletionist
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122 detections
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This rule detects potentially malicious system configuration changes, specifically the suspension or disabling of BitLocker drive encryption via 'manage-bde.exe' and the weakening of SChannel security protocols or ciphers by modifying registry keys. These activities are indicative of an attacker attempting to bypass disk encryption or lower the security posture of network communication.
Detects the execution of common Windows command-line tools (such as cmd, powershell, or wmic) being used to query system information related to security configurations, antivirus status, firewall status, or installed security products. This behavior is indicative of an adversary performing reconnaissance to understand the defensive landscape of a compromised host.
This rule detects when common Windows applications (explorer.exe, svchost.exe, winword.exe, excel.exe, rundll32.exe) load DLLs that are either unsigned or located in user-writable directories (e.g., \Users\, \AppData\, \Temp\, \ProgramData\). This is a common indicator of potential DLL hijacking or side-loading attacks.
Detects the creation of executable or script files within non-system directories that were initiated by the OneDrive sync process. This activity may indicate a user downloading malicious files via a compromised OneDrive account or a malicious payload being synced to the local system.
Detects 'GetBlob' operations on Azure Storage blobs that have extensions commonly associated with executable files, scripts, or archives, which may indicate the retrieval of malicious payloads.
This rule identifies potential command-and-control (C2) beaconing behavior by detecting repetitive, consistent connections (low jitter) to public IP addresses over common TLS ports (443, 8443, 4443, 9443) from processes that do not have a known history of connecting to those destinations. It establishes a baseline of historical connections to filter out legitimate traffic and uses a statistical analysis of connection intervals to highlight suspicious, non-human-like automated communication patterns.
Detects processes attempting to access sensitive Linux system files (/etc/passwd or /etc/shadow) that are not typically associated with system administration, security, or identity management tasks. This behavior may indicate an attempt by an unauthorized user or process to gather credentials or system configuration information.
Detects anomalous GitHub activity where a single actor interacts with 20 or more unique repositories within a 24-hour period. This behavior is indicative of potential repository scraping, unauthorized data harvesting, or mass configuration changes associated with reconnaissance or exfiltration activity.
Detects instances where a specific user creates or deletes a Microsoft Power Automate flow that has active sharing permissions configured, potentially indicating unauthorized workflow manipulation or persistence attempts.
Detects an internal source IP that has communicated with a high number of unique destination IP addresses and ports within a 24-hour period. This behavior is indicative of network reconnaissance or internal port scanning.
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