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local comm = require "comm"
local nmap = require "nmap"
local shortport = require "shortport"
description = [[
Attempts to retrieve a list of usernames using the finger service.
]]
author = "Eddie Bell"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"default", "discovery", "safe"}
---
-- @output
-- PORT STATE SERVICE
-- 79/tcp open finger
-- | finger:
-- | Welcome to Linux version 2.6.31.12-0.2-default at linux-pb94.site !
-- | 01:14am up 18:54, 4 users, load average: 0.14, 0.08, 0.01
-- |
-- | Login Name Tty Idle Login Time Where
-- | Gutek Ange Gutek *:0 - Wed 06:19 console
-- | Gutek Ange Gutek pts/1 18:54 Wed 06:20
-- | Gutek Ange Gutek *pts/0 - Thu 00:41
-- |_Gutek Ange Gutek *pts/4 3 Thu 01:06
portrule = shortport.port_or_service(79, "finger")
action = function(host, port)
local try = nmap.new_try()
return try(comm.exchange(host, port, "\r\n",
{lines=100, timeout=5000}))
end
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