Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects instances where PowerShell attempts to execute an external process with elevated privileges using 'Start-Process -Verb RunAs' combined with hidden window flags. The rule specifically looks for evidence that the targeted executable was recently initiated or exists in the context of the PowerShell operation, potentially indicating a UAC bypass attempt or malicious elevation of privileges.
This rule detects inbound HTTP requests targeting Microsoft Exchange Server that contain the specific headers and patterns associated with the ProxyLogon (CVE-2021-26855) Server-Side Request Forgery (SSRF) vulnerability. It specifically monitors for the presence of the 'X-BEResource' header and malformed request structures used by attackers to bypass authentication.
Detects instances where Google Chrome accesses the camera or microphone without a preceding browser-based user interaction event (such as a mouse click or user input). This can indicate malicious browser extensions or hijacked processes attempting to surreptitiously capture audio or video.
Detects instances where a web browser process (e.g., Chrome, Edge, Firefox) spawns a command shell (cmd.exe) or PowerShell (powershell.exe). This pattern is frequently associated with malicious 'ClickFix' or 'fake decryption' social engineering campaigns where users are tricked into copying and executing malicious commands into a terminal.
Detects instances where known NetSupport Manager binaries (client32.exe, netsupportmanager.exe, pcicfgnt.exe) are used to perform persistence-related actions, such as creating a new Windows service, adding a scheduled task, or modifying Run/Winlogon registry keys.
Detects instances where the IIS worker process (w3wp.exe) spawns common command-line or system utilities often used for post-exploitation activities, specifically when command-line arguments contain references to 'MSExchange' or 'Exchange'. This behavior is frequently associated with exploitation attempts against Microsoft Exchange servers, such as the ProxyLogon chain, where a web shell or other malicious script might be used to execute commands via the IIS process.
This rule detects network traffic directed at the Telegram Bot API (api.telegram.org) where the request URI indicates a bot action ('/bot' followed by 'sendMessage') and the HTTP request body contains the keyword 'VIEW'. This pattern is commonly associated with C2 beacons using Telegram as an intermediary service to send status or command results from compromised hosts.
Detects web traffic directed towards Google Apps Script endpoints that exhibit characteristics of malicious activity, specifically targeting browser-side data collection and user interaction lures. The rule identifies potential phishing attempts by correlating access to Google Apps Script pages (e.g., sidebars or add-ons) with external document-based referrers (e.g., Google Docs) or social media referrers, combined with scripts that attempt to exfiltrate user device environment data, location, or cryptocurrency wallet information.
This rule identifies potential persistence activity on a Windows host by correlating multiple indicators such as service creation, scheduled tasks, registry run key modifications, Winlogon helper modifications, and driver loading. It specifically monitors for indicators associated with 'NetSupport' or 'client32' filenames or services. The rule triggers when two or more distinct persistence mechanisms are detected for the same host and user.
Detects the creation of a registry value named 'SnapCart' within the Windows Run keys. Adversaries use Run keys to ensure that malicious programs execute automatically upon user login or system startup, establishing persistence on the compromised host.
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