Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects the use of PowerShell string concatenation to construct the malicious C2 domain 'merabs.pro'. This technique is used to bypass simple string-based detections that look for the full domain name in command-line arguments.
Detects outbound network traffic associated with identified ClickFix CPaaS payload domains and associated API endpoints. The rule monitors for specific malicious domain contact (comicstar.lat, babybon.cfd, merkantalolol.asia) and the use of the '/api/index.php?a=init' endpoint, which is indicative of the ClickFix payload delivery mechanism.
Detects the ClickFix social-engineering technique where an adversary tricks a user into pasting and executing a malicious command via Windows Explorer (Run dialog) or Windows Terminal. This pattern is often used in fake CAPTCHA or job-interview lures to achieve initial code execution.
Detects the creation of a scheduled task containing the string 'Google Chrome Update' in the command line, where the task is not the legitimate 'GoogleUpdateTaskMachine' task. The rule specifically targets tasks that execute PowerShell or arbitrary executables, which is a common persistence technique used by adversaries to mask malicious tasks as legitimate software updates.
Detects instances where the Firefox browser process executes from a path containing 'ProgramData' and creates a new file within the 'ProgramData' directory. This behavior is highly suspicious as legitimate Firefox installations reside in 'Program Files' or 'Program Files (x86)', and 'ProgramData' is often abused by malware for persistent storage or staging.
Detects instances where PowerShell is executed with a command line string containing 'Google Chrome Update' and initiates a network connection. This behavior is indicative of a malicious process masquerading as a legitimate browser update mechanism to hide network activity.
Detects the creation of scheduled tasks that masquerade as a 'Google Chrome Update' task but are initiated by suspicious processes like cmd.exe, powershell.exe, or schtasks.exe, and do not originate from the legitimate Google Chrome installation directories.
Detects anomalous process execution originating from the PaperCut application server process, specifically targeting the SetupCompleted servlet endpoint. This pattern is indicative of an exploitation attempt, such as CVE-2026-81578, where unauthenticated requests trigger backend server actions before proper access validation.
Detects the execution of common command-line or scripting interpreters (cmd, powershell, cscript, etc.) spawned by the ScreenConnect remote administration client. This is a common pattern used by attackers leveraging legitimate remote access tools for post-exploitation activities and lateral movement.
Detects outbound HTTP requests to 'relay.php' containing a static authorization bearer token 'crpx0_c2_2026', which is associated with the command and control activity of the CRPx0 ransomware family.
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