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4 questions
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netcat / nc / telnet perform math on received data then output
I am not an expert on bash so sorry in advance. For my high school CTF competition, I have to read in 3 numbers, perform some arithmetic on them, then output the value back to the server.
In ...
0
votes
1
answer
455
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Keep track of successful pin in Bandit CTF 24 to 25 [duplicate]
I am doing the bandit wargame of OverTheWire and am trying to pass level 24 -> 25. I successfully got the password with the script below but I'd like to recover the successful pin. I tried ...
- 111
1
vote
3
answers
2k
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Failing IF in a WHILE loop in BASH script that checks for open 22 ports
Im trying to create a rather basic script to run through a list of servers and check if the SSH port is open using nc. I've tried a few different ways, but can't seem to get this to work. I am ...
- 590
3
votes
1
answer
1k
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'netcat -e' not relaying stdout
I'm using netcat to create a backdoor running a python script with the following command:
netcat -l -p 1234 -e 'python /script.py'
then I'm connecting to the backdoor with another shell using:
...
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