Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects instances where the SimpleHelp RMM agent process initiates a command interpreter or scripting process. This behavior is often indicative of post-exploitation activity, specifically unauthorized script or command execution delivered via a remote support session.
Detects outbound network connections to a known Djinn Stealer C2 IP address (96.126.130.126) on port 58942, utilizing the specific User-Agent 'telemetry-client/1.0' and 'application/octet-stream' content type. This behavior is indicative of data exfiltration of encrypted/compressed archives.
Detects the creation of a 'linux-process-env.json' artifact by a Node.js process. This file is typically generated by the Djinn Stealer malware as part of its 'collectLinuxProcessEnv' function, which enumerates system process command lines and environment variables from the /proc directory after initial compromise.
Detects outbound network connections to TCP port 4001, which is the hardcoded default C2 port for SystemBC (Coroxy) malware. The rule identifies suspicious proxy tunnel establishment from Windows workstations, often used by threat actors like Wizard Spider and FIN7 for pre-deployment staging.
Detects potential local privilege escalation (LPE) attempts targeting the AnyDesk adprinterpipe named pipe. The rule monitors for the execution of known malicious indicators, unauthorized access to the adprinterpipe, AnyDesk spawning unexpected processes as SYSTEM, and the creation of services by AnyDesk child processes.
Detects the installation of a malicious Chromium extension masquerading as 'Search for perplexity ai'. The rule monitors for file creation events in the Chrome extensions directory matching the specific malicious extension ID, modification of the Chrome Preferences file, and outbound network connections from the browser to the identified C2 domain.
Detects a post-compromise reconnaissance burst associated with BeepRAT, where a process running from a suspicious directory (AppData, Temp, or ProgramData) executes five or more system discovery commands within a 60-second window, following the creation of a scheduled task on the same host.
Detects the BeepRAT malware using the Tiny C Compiler (tcc.exe) to execute shellcode directly from memory. The rule identifies TCC execution from non-standard directories (specifically within %LOCALAPPDATA%\TCC) using specific flags (-nostdlib -run), and correlates this activity with the creation of an elevated scheduled task named 'WindowsUpdateTempFileCleanUp' used for persistence.
Detects when Minecraft-related clients (e.g., Lunar Client, generic Java Minecraft) launch suspicious child processes such as command-line utilities (cmd.exe, powershell.exe, curl.exe) often associated with malicious post-exploitation activity or credential harvesting.
Detects instances where the AnyDesk remote support application spawns suspicious child processes or administrative utilities. This rule specifically alerts on AnyDesk launching interpreters such as PowerShell, CMD, WScript, or utility binaries like dllhost, regsvr32, mshta, and rundll32, or when processes are executed in the context of the SYSTEM account (UserSid S-1-5-18). Such behavior is a common indicator of unauthorized remote access or post-exploitation activity.
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