Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,457 downloads7,055 copies47 likes38,408 views
11,679 detections
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Detects the two-stage execution chain associated with Raspberry Robin (Gamarue) propagation via removable media. The rule correlates the initiation of suspicious processes (msiexec.exe, rundll32.exe, or explorer.exe) from removable drive paths containing disguised DLLs or LNK files with subsequent obfuscated rundll32.exe execution command lines within a 30-minute window.
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects execution of potentially malicious processes (mshta, powershell, cmd, conhost) which are common vectors for ClickFix-style attacks, where a user is socially engineered into copying and pasting malicious commands into the Windows Run dialog or a command prompt.
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects the two-stage execution chain associated with Raspberry Robin (Gamarue) propagation via removable media. The rule correlates the initiation of suspicious processes (msiexec.exe, rundll32.exe, or explorer.exe) from removable drive paths containing disguised DLLs or LNK files with subsequent obfuscated rundll32.exe execution command lines within a 30-minute window.
Detects ClickFix-style activity where a user is tricked into entering or pasting malicious command strings into the Windows File Explorer address bar. This activity results in the spawning of common utilities like cmd.exe, powershell.exe, or certutil.exe with arguments associated with UNC paths, Base64 encoding, or download cradles (e.g., IEX, bitsadmin, or URLCache operations).
Detects the two-stage execution chain associated with Raspberry Robin (Gamarue) propagation via removable media. The rule correlates the initiation of suspicious processes (msiexec.exe, rundll32.exe, or explorer.exe) from removable drive paths containing disguised DLLs or LNK files with subsequent obfuscated rundll32.exe execution command lines within a 30-minute window.
This rule detects potential command and control or malicious file staging activity by correlating DNS TXT record queries (often used for data exfiltration or staging configuration) performed by common system utilities (nslookup, PowerShell) with the subsequent execution of files from suspicious directories (Downloads, Temp) within a 30-minute window on the same device.
Detects instances where a user successfully authenticates via the OAuth Device Code flow using an unmanaged or non-compliant device, followed closely by high-privileged Azure/Graph API administrative actions within a short timeframe. This behavior is indicative of a device-code phishing attack aimed at bypassing MFA controls, including FIDO2/passkeys, by compromising an active session.
Detects the invocation of Windows Subsystem for Linux (WSL) binaries (wsl.exe or wslconfig.exe) using command-line arguments that enable arbitrary command execution, such as -e, --exec, or shell interpreters (bash -c, sh -c), or web-based retrieval tools like curl/wget. This technique is often used to execute commands or download payloads within a Linux environment on Windows, potentially bypassing security controls focused on native Windows processes.
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