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Tampering TCP data on a Windows application


Which tool can be used to connect two TCP/IP servers?What does this UDP Packet mean?LAN server emulator applicationMonitor/Track data sent over internet by an applicationCapture TCP communication on a specific port using wiresharkHow to monitor TCP connections over timehow to setup a publicly hosted tcp/ip webserver to receive gprs packets(lat/long and other data) sent from a sim900A gsm moduleTCP/IP rx data dropSend TCP with incorrect checksumsWindows 10 Home remote TCP connection













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Is there an application where I can run another application and it will allow me to see and more important manipulate the TCP data sent to another server?



I'm using Wireshark to view the data, but I want to alter it on the fly. Is there a way of doing that?










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    0















    Is there an application where I can run another application and it will allow me to see and more important manipulate the TCP data sent to another server?



    I'm using Wireshark to view the data, but I want to alter it on the fly. Is there a way of doing that?










    share|improve this question














    bumped to the homepage by Community 9 hours ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















      0












      0








      0








      Is there an application where I can run another application and it will allow me to see and more important manipulate the TCP data sent to another server?



      I'm using Wireshark to view the data, but I want to alter it on the fly. Is there a way of doing that?










      share|improve this question














      Is there an application where I can run another application and it will allow me to see and more important manipulate the TCP data sent to another server?



      I'm using Wireshark to view the data, but I want to alter it on the fly. Is there a way of doing that?







      windows networking tcpip






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 14 '12 at 10:37









      user122926user122926

      1011




      1011





      bumped to the homepage by Community 9 hours ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 9 hours ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
























          2 Answers
          2






          active

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          0














          You can use a tool called netsed to achieve this.



          http://www.freshports.org/net/netsed/



          I have used this on linux . The syntax for replacement with regular expression is same as "sed" tool but i think all the functionality of sed is not there in netsed.



          On Windows you might have to run it with Cygwin.






          share|improve this answer































            0














            Fiddler is the tool for that job, you just have to configure your application to use a proxy and you can then modify requests on the fly.



            edit:

            I assumed you were talking about HTTP but if you want to do the same thing with any TCP traffic have a look at those tools:
            Hatkit
            ettercap






            share|improve this answer


























            • Is this only for web content? the requests I want to manipulate are not web requests..

              – user122926
              Mar 14 '12 at 10:51











            • @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

              – Ramhound
              Mar 14 '12 at 12:48











            Your Answer








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            2 Answers
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            2 Answers
            2






            active

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            active

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            active

            oldest

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            0














            You can use a tool called netsed to achieve this.



            http://www.freshports.org/net/netsed/



            I have used this on linux . The syntax for replacement with regular expression is same as "sed" tool but i think all the functionality of sed is not there in netsed.



            On Windows you might have to run it with Cygwin.






            share|improve this answer




























              0














              You can use a tool called netsed to achieve this.



              http://www.freshports.org/net/netsed/



              I have used this on linux . The syntax for replacement with regular expression is same as "sed" tool but i think all the functionality of sed is not there in netsed.



              On Windows you might have to run it with Cygwin.






              share|improve this answer


























                0












                0








                0







                You can use a tool called netsed to achieve this.



                http://www.freshports.org/net/netsed/



                I have used this on linux . The syntax for replacement with regular expression is same as "sed" tool but i think all the functionality of sed is not there in netsed.



                On Windows you might have to run it with Cygwin.






                share|improve this answer













                You can use a tool called netsed to achieve this.



                http://www.freshports.org/net/netsed/



                I have used this on linux . The syntax for replacement with regular expression is same as "sed" tool but i think all the functionality of sed is not there in netsed.



                On Windows you might have to run it with Cygwin.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 14 '12 at 10:45









                dayadaya

                2,3501217




                2,3501217

























                    0














                    Fiddler is the tool for that job, you just have to configure your application to use a proxy and you can then modify requests on the fly.



                    edit:

                    I assumed you were talking about HTTP but if you want to do the same thing with any TCP traffic have a look at those tools:
                    Hatkit
                    ettercap






                    share|improve this answer


























                    • Is this only for web content? the requests I want to manipulate are not web requests..

                      – user122926
                      Mar 14 '12 at 10:51











                    • @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                      – Ramhound
                      Mar 14 '12 at 12:48
















                    0














                    Fiddler is the tool for that job, you just have to configure your application to use a proxy and you can then modify requests on the fly.



                    edit:

                    I assumed you were talking about HTTP but if you want to do the same thing with any TCP traffic have a look at those tools:
                    Hatkit
                    ettercap






                    share|improve this answer


























                    • Is this only for web content? the requests I want to manipulate are not web requests..

                      – user122926
                      Mar 14 '12 at 10:51











                    • @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                      – Ramhound
                      Mar 14 '12 at 12:48














                    0












                    0








                    0







                    Fiddler is the tool for that job, you just have to configure your application to use a proxy and you can then modify requests on the fly.



                    edit:

                    I assumed you were talking about HTTP but if you want to do the same thing with any TCP traffic have a look at those tools:
                    Hatkit
                    ettercap






                    share|improve this answer















                    Fiddler is the tool for that job, you just have to configure your application to use a proxy and you can then modify requests on the fly.



                    edit:

                    I assumed you were talking about HTTP but if you want to do the same thing with any TCP traffic have a look at those tools:
                    Hatkit
                    ettercap







                    share|improve this answer














                    share|improve this answer



                    share|improve this answer








                    edited Mar 14 '12 at 14:06

























                    answered Mar 14 '12 at 10:48









                    ShadokShadok

                    3,6491726




                    3,6491726













                    • Is this only for web content? the requests I want to manipulate are not web requests..

                      – user122926
                      Mar 14 '12 at 10:51











                    • @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                      – Ramhound
                      Mar 14 '12 at 12:48



















                    • Is this only for web content? the requests I want to manipulate are not web requests..

                      – user122926
                      Mar 14 '12 at 10:51











                    • @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                      – Ramhound
                      Mar 14 '12 at 12:48

















                    Is this only for web content? the requests I want to manipulate are not web requests..

                    – user122926
                    Mar 14 '12 at 10:51





                    Is this only for web content? the requests I want to manipulate are not web requests..

                    – user122926
                    Mar 14 '12 at 10:51













                    @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                    – Ramhound
                    Mar 14 '12 at 12:48





                    @user122926 - TCP packets are TCP packets....http traffic is tcp traffic. How about try it?

                    – Ramhound
                    Mar 14 '12 at 12:48


















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