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Enable psexec PowerShell delivery for Windows AArch64 payloads #21857

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Enable psexec PowerShell delivery for Windows AArch64 payloads #21857

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4 changes: 2 additions & 2 deletions Gemfile.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@ PATH
rex-mime
rex-nop
rex-ole
rex-powershell
rex-powershell (>= 0.1.105)
rex-random_identifier
rex-registry
rex-rop_builder
Expand Down Expand Up @@ -538,7 +538,7 @@ GEM
rex-arch
rex-ole (0.1.9)
rex-text
rex-powershell (0.1.103)
rex-powershell (0.1.105)
bigdecimal
rex-random_identifier
rex-text
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2 changes: 1 addition & 1 deletion metasploit-framework.gemspec
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Expand Up @@ -171,7 +171,7 @@ Gem::Specification.new do |spec|
# Library for Generating Randomized strings valid as Identifiers such as variable names
spec.add_runtime_dependency 'rex-random_identifier'
# library for creating Powershell scripts for exploitation purposes
spec.add_runtime_dependency 'rex-powershell'
spec.add_runtime_dependency 'rex-powershell', '>= 0.1.105'
# Library for processing and creating Zip compatbile archives
spec.add_runtime_dependency 'rex-zip'
# Library for parsing offline Windows Registry files
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12 changes: 2 additions & 10 deletions modules/exploits/windows/smb/psexec.rb
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Expand Up @@ -66,11 +66,8 @@ def initialize(info = {})
},
'Platform' => 'win',
'Targets' => [
# PowerShell isn't offered for AArch64: the PowerShell shellcode-injection
# wrapper (rex-powershell) only knows how to spawn x86/x64 powershell.exe,
# so it can't be used to run AArch64 shellcode.
[ 'Automatic', { 'Arch' => [ARCH_X86, ARCH_X64, ARCH_AARCH64] } ],
[ 'PowerShell', { 'Arch' => [ARCH_X86, ARCH_X64] } ],
[ 'PowerShell', { 'Arch' => [ARCH_X86, ARCH_X64, ARCH_AARCH64] } ],
[ 'Native upload', { # upload a service executable
'Arch' => [ARCH_X86, ARCH_X64, ARCH_AARCH64],
# service executables place the payload within a segment, 1GiB is a practical max in many cases.
Expand Down Expand Up @@ -159,12 +156,7 @@ def exploit

case target.name
when 'Automatic'
# The PowerShell delivery path can only launch x86/x64 powershell.exe, so
# an AArch64 payload has to go straight to the native upload technique.
if payload_instance.arch.include?(ARCH_AARCH64)
print_status('Selecting native target')
native_upload_with_workaround(smbshare)
elsif powershell_installed?(smbshare, datastore['PSH_PATH'])
if powershell_installed?(smbshare, datastore['PSH_PATH'])
print_status('Selecting PowerShell target')
execute_powershell_payload
else
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