ills3c Intel&Coffee
@Ills3CUS MidwestCompletionist
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344 detections
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Detects potential bootkit activity or unauthorized modifications to the EFI system partition by correlating non-standard .efi file writes with subsequent execution of boot configuration utilities like bcdedit or mountvol within a 30-minute window.
Detects potential data exfiltration activity where a device first exhibits usage of a remote monitoring and management (RMM) tool, followed by the execution of known data transfer or exfiltration utilities such as WinSCP or Rclone.
Detects PHP script execution interacting with the Microsoft Exchange Web Services (EWS) API, which may indicate web shell usage, email collection, or exfiltration activity.
Detects potential data exfiltration to popular public paste-sites and code-sharing services (such as Pastebin, Paste.ee, Hastebin, Ghostbin, ControlC, Dpaste, Rentry.co, Privatebin) using HTTP POST or PUT requests based on upload frequency and volume thresholds.
Detects incoming xAI invitation emails from noreply@x.ai containing URLs that do not belong to the x.ai domain, which may indicate a phishing attempt or link injection.
Detects when Node.js or NPM processes access sensitive credential files such as .npmrc, SSH private keys, or AWS credentials, followed by an outbound public network connection from the same device within a 15-minute window.
This rule tracks user and administrator submissions of potential phishing emails to Microsoft for analysis within the Security & Compliance Center. It extracts and logs details such as the submission verdict, rescan verdict, recipients, subject, content, submitter's display name, sender information (P1 and P2), email destination, final delivery verdict, and sender IP address. This provides visibility into an organization's proactive efforts to report and analyze suspected phishing attempts.
Detects processes that make outbound API calls to known Large Language Model (LLM) domains while simultaneously performing high-volume network connection attempts or scanning-like fan-out activity across multiple public IP addresses.
Detects the creation or modification of web script files (.aspx, .jsp) within common web application directories by unusual processes (such as command shells or download utilities) or by non-standard user accounts, indicating potential web shell deployment.
Detects Java processes spawning PowerShell or Command Prompt to modify Windows Defender settings by adding exclusions for sensitive paths or extensions (such as AppData, Temp, Users Public, or ProgramData).
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