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45 lines
863 B
Lua
45 lines
863 B
Lua
id = "Stealth SSH version"
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description = "Connects to an SSH server, queries the version string and echos it back. This tends to result\
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in the scanning attempt not being logged by the ssh daemon on the target."
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author = "Diman Todorov <diman.todorov@gmail.com>"
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license = "See nmaps COPYING for licence"
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categories = {"demo"}
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portrule = function(host, port)
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if
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port.service == "ssh"
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and port.protocol == "tcp"
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and port.state == "open"
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then
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return true
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else
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return false
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end
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end
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action = function(host, port)
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local result, socket
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local catch = function()
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socket:close()
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end
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local try = nmap.new_try(catch)
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result = ""
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socket = nmap.new_socket()
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try(socket:connect(host.ip, port.number))
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result = try(socket:receive_lines(1));
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try(socket:send(result))
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try(socket:close())
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return "" .. string.gsub(result, "\n", "")
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end
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