Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Monitors Azure AuditLogs for application consent events that grant high-privilege Microsoft Graph API scopes, such as Mail.Read, Files.ReadWrite.All, or Directory.ReadWrite.All. This activity is a common indicator of illicit consent grant phishing attacks, where adversaries trick users into granting permissions to a malicious OAuth application to gain persistent, unauthorized access to sensitive data without requiring direct user credentials or MFA.
Detects anomalous DNS traffic patterns where a single client host performs a high volume of TXT or NULL DNS queries containing long, high-entropy subdomain labels directed at a small set of domains. This behavior is indicative of DNS tunneling, frequently used for covert Command and Control (C2) communication or data exfiltration.
Detects ClickFix-style social engineering attacks where users are tricked into pasting malicious payloads into the Windows Run dialog. The rule monitors for common scripting interpreters (powershell.exe, cmd.exe, mshta.exe, rundll32.exe) spawned by explorer.exe or mstsc.exe with suspicious command-line patterns indicative of payload delivery, such as obfuscated strings, hidden windows, or short-URL downloads.
This rule detects when common web server processes or service accounts spawn unexpected interpreter, shell, or reconnaissance tools, which is a common indicator of post-exploitation activity following a successful Remote Code Execution (RCE) attempt.
Detects the loading of a legitimately signed but vulnerable driver from suspicious directories (e.g., Temp, Downloads) followed closely by the termination of critical security/EDR service processes. This sequence is indicative of Bring Your Own Vulnerable Driver (BYOVD) exploitation used to disable security controls prior to ransomware deployment.
Detects suspicious outbound HTTPS POST traffic to major generative AI API endpoints (OpenAI, Anthropic, Google) originating from scripting hosts like powershell.exe or python.exe. The detection is triggered by either unusually large outbound payload sizes or the use of unauthorized scripting tools, which is indicative of data exfiltration using AI infrastructure as a relay.
This rule detects the suspicious loading of known vulnerable drivers (Bring Your Own Vulnerable Driver - BYOVD) via the Windows service control manager (sc.exe) or event log 7045, followed by the immediate termination of major endpoint security software processes within a 300-second window. This behavior is indicative of an attempt to disable or tamper with security tools using kernel-level privileges.
Detects the request for DS-Replication-Get-Changes or DS-Replication-Get-Changes-All extended rights on domain objects, which are highly sensitive Active Directory permissions required to perform DCSync attacks to harvest credentials from Domain Controllers.
Detects the creation of scheduled tasks (via Event ID 4698 or schtasks.exe) involving suspicious action paths, encoded PowerShell commands, LOLBins, or tasks configured to run as SYSTEM by non-administrator users, which is a common persistence mechanism for malware.
Detects the creation of scheduled tasks using Event ID 4698 or command-line execution of schtasks.exe. The rule specifically looks for tasks created in suspicious paths such as AppData or ProgramData, or tasks configured to run with highest privileges and/or marked as hidden, which are common indicators of persistence mechanisms used by adversaries.
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