james
b8d794cc37
Check the value of the "container" environment variable: - "lxc" indicates a LXC container - "systemd-nspawn" indicates a systemd nspawn container
66 lines
1.7 KiB
Ruby
66 lines
1.7 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Post
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include Msf::Post::File
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def initialize(info={})
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super( update_info( info,
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'Name' => 'Linux Gather Container Detection',
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'Description' => %q{
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This module attempts to determine whether the system is running
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inside of a container and if so, which one. This module supports
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detection of Docker, LXC, and systemd nspawn.},
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'License' => MSF_LICENSE,
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'Author' => [ 'James Otten <jamesotten1[at]gmail.com>'],
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'Platform' => [ 'linux' ],
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'SessionTypes' => [ 'shell', 'meterpreter' ]
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))
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end
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# Run Method for when run command is issued
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def run
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container = nil
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# Check for .dockerenv file
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if container.nil?
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if file?("/.dockerenv")
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container = "Docker"
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end
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end
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# Check cgroup on PID 1
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if container.nil?
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cgroup = read_file("/proc/1/cgroup")
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if cgroup
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case cgroup.tr("\n", " ")
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when /docker/i
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container = "Docker"
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when /lxc/i
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container = "LXC"
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end
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end
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end
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# Check for the "container" environment variable
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if container.nil?
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container_variable = get_env("container")
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case container_variable
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when "lxc"
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container = "LXC"
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when "systemd-nspawn"
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container = "systemd nspawn"
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end
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end
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if container
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print_good("This appears to be a '#{container}' container")
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report_virtualization(container)
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else
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print_status("This does not appear to be a container")
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end
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end
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end
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