this means, as youve probably figured out, that i can have complete? control of the router from outside the lan. but thats neither here nor there.) now, since the point of this exercise doesnt yet involve the actual exploitation of said router (ill get to that when i feel im ready), i set up a simple d-link router i had available inside my network with unsecured remote administration enabled, and put a computer running a couple virtual machines behind it. the problem is, i honestly dont know much about what can be done, and google is only so helpful (actually, i mostly have to use bing these days as im behind the great firewall and i dont currently have a proper vpn at my disposal. so with that assumption, i figured id try to sate my curiosity and see just what one could do once a router was under malicious control. what could we add to the given url to send the information we want?"ġ Gathering information behind a home router hey all, ive been under the impression that in the absence of internet-facing vulnerable services on a network, an attacker might try to compromise the router itself and use that as a point from which to attack machines inside the network. now how can we change that value? it says enter the correct url and it also says that the sysadmin doesnt know much about web configuration. think about what value you would change if you could change one.
Uplink hacker elite internic accessed file password#
hmm, it doesnt look like we can get the password anywhere, but maybe we can just skip right past having a correct username and password. (the default for booleans is true that is why you dont need =true in the if statement.) next, if passed has been set to true we win the mission. if isauthed(user,pass) returns true then the variable passed is set to true. it gets the username and password then runs the function isauthed on them. if you arent familiar with sed, you can learn a lot here: extended basic 6 code: select all ok. the only problem is that always owned sam forgot something. basically, it is finding eval in exec.php and replacing it with safeeval in tmp. you can think of sed as the find/replace function in other programs. what could in be short for? next the program out var and int what could out be short for? extbasic 5 here is the shell: code: select all #!/bin/sh rm ok sed -e ""s/eval/safeeval/"" tmp & touch ok if then rm exec.php & mv tmp exec.php fi the only part you need to worry about is the shell. hmm, the program then makes two variables whose values must be this ""in"" thing. dont be confused by the first line, the user is entering 6 and 7, the first part isnt actual code. 0Ğxtended Basics Tutorial "extbasics tutorial extbasic 1 so we have this: code: select all void blah(char *str) begin f.ake var int as in int var as in out var int again, pretty easy if you know a programming language.
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