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193 changes: 193 additions & 0 deletions
193
TestHarnesses/T1055.002_PortableExecutableInjection/InvokeThread.Tests.ps1
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| Set-StrictMode -Version Latest | ||
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| $TestScriptRoot = Split-Path $MyInvocation.MyCommand.Path -Parent | ||
| $ModuleRoot = Resolve-Path "$TestScriptRoot\..\..\" | ||
| $ModuleManifest = "$ModuleRoot\AtomicTestHarnesses.psd1" | ||
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| Remove-Module [A]tomicTestHarnesses | ||
| Import-Module $ModuleManifest -Force -ErrorAction Stop | ||
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| Describe 'Invoke-ATHInjectedThread' { | ||
| BeforeAll { | ||
| $Help = Get-Help -Name Invoke-ATHInjectedThread -Full | ||
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| $ExpectedTechniqueID = $null | ||
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| if ($Help.Synopsis.Split("`r`n")[-1] -match '^(?-i:Technique ID: )(?<TechniqueID>\S+) (?<TechniqueDescription>\(.+\))$') { | ||
| $ExpectedTechniqueID = $Matches['TechniqueID'] | ||
| } | ||
| } | ||
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| Context 'Validating error conditions' -Tag 'Unit', 'T1055.002' { | ||
| It 'should execute custom position-independent code' -Tag 'Unit', 'T1055.002' { | ||
| $Result = Invoke-ATHInjectedThread -PositionIndependentCodeBytes @(0x90, 0x90, 0x90, 0xC3) # NOP, NOP, NOP, RET | ||
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| $Result | Should -Not -BeNullOrEmpty | ||
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| $Result.TechniqueID | Should -BeExactly $ExpectedTechniqueID | ||
| $Result.TestSuccess | Should -BeNullOrEmpty | ||
| $Result.TestGuid | Should -Not -BeNullOrEmpty | ||
| $Result.InjectedCodeBytes | Should -Not -BeNullOrEmpty | ||
| $Result.InjectedCodeHash | Should -BeExactly '97E3BFAD17932F638A894351239CA24CB76467E080C5B268307547D36366FE10' | ||
| $Result.SourceProcessId | Should -Be $PID | ||
| $Result.SourceExecutablePath | Should -Not -BeNullOrEmpty | ||
| $Result.SourceCommandLine | Should -Not -BeNullOrEmpty | ||
| $Result.TargetProcessId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetExecutablePath | Should -Match 'notepad\.exe$' | ||
| $Result.TargetCommandLine | Should -BeExactly 'notepad.exe' | ||
| $Result.TargetProcessAccess | Should -BeExactly 'PROCESS_CREATE_THREAD, PROCESS_VM_OPERATION, PROCESS_VM_READ, PROCESS_VM_WRITE, PROCESS_QUERY_INFORMATION' | ||
| $Result.TargetProcessAccessValue | Should -Be 1082 | ||
| $Result.TargetBaseAddressHex | Should -Match '^[0-9A-F]{16}$' | ||
| $Result.TargetAllocationPageProtect | Should -BeExactly 'PAGE_EXECUTE_READWRITE' | ||
| $Result.TargetAllocationPageProtectValue | Should -Be 64 | ||
| $Result.TargetThreadId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetChildProcessId | Should -BeNullOrEmpty | ||
| $Result.TargetChildProcessCommandLine | Should -BeNullOrEmpty | ||
| } | ||
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| It 'should inject into itself (the current process)' -Tag 'Unit', 'T1055.002' { | ||
| $Result = Invoke-ATHInjectedThread -ProcessId $PID | ||
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| $Result | Should -Not -BeNullOrEmpty | ||
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| $Result.TechniqueID | Should -BeExactly $ExpectedTechniqueID | ||
| $Result.TestSuccess | Should -BeTrue | ||
| $Result.TestGuid | Should -Not -BeNullOrEmpty | ||
| $Result.InjectedCodeBytes | Should -Not -BeNullOrEmpty | ||
| $Result.InjectedCodeHash | Should -Not -BeNullOrEmpty | ||
| $Result.SourceProcessId | Should -Be $PID | ||
| $Result.SourceExecutablePath | Should -BeExactly $Result.TargetExecutablePath | ||
| $Result.SourceCommandLine | Should -BeExactly $Result.TargetCommandLine | ||
| $Result.TargetProcessId | Should -Be $PID | ||
| $Result.TargetExecutablePath | Should -Not -BeNullOrEmpty | ||
| $Result.TargetCommandLine | Should -Not -BeNullOrEmpty | ||
| $Result.TargetProcessAccess | Should -BeExactly 'PROCESS_CREATE_THREAD, PROCESS_VM_OPERATION, PROCESS_VM_READ, PROCESS_VM_WRITE, PROCESS_QUERY_INFORMATION' | ||
| $Result.TargetProcessAccessValue | Should -Be 1082 | ||
| $Result.TargetBaseAddressHex | Should -Match '^[0-9A-F]{16}$' | ||
| $Result.TargetAllocationPageProtect | Should -BeExactly 'PAGE_EXECUTE_READWRITE' | ||
| $Result.TargetAllocationPageProtectValue | Should -Be 64 | ||
| $Result.TargetThreadId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetChildProcessId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetChildProcessCommandLine | Should -Not -BeNullOrEmpty | ||
| } | ||
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| It 'should not inject into a non-existant process ID' -Tag 'Unit', 'T1055.002' { | ||
| { Invoke-ATHInjectedThread -ProcessId 1 -ErrorAction Stop } | Should -Throw | ||
| } | ||
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| It 'should not accept an empty array of position-independent code' -Tag 'Unit', 'T1055.002' { | ||
| { Invoke-ATHInjectedThread -PositionIndependentCodeBytes @() -ErrorAction Stop } | Should -Throw | ||
| } | ||
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| It 'should fail to inject when the template notepad.exe target fails to launch' -Tag 'Unit', 'T1055.002' { | ||
| Mock Invoke-CimMethod { return @{ ReturnValue = 1 } } | ||
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| { Invoke-ATHInjectedThread -ErrorAction Stop } | Should -Throw | ||
| } | ||
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| It 'should not have access to inject into the System process' -Tag 'Unit', 'T1055.002' { | ||
| { Invoke-ATHInjectedThread -ProcessId 4 -ErrorAction Stop } | Should -Throw | ||
| } | ||
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| It 'should not inject into a 32-bit process' -Tag 'Unit', 'T1055.002' { | ||
| $Wow64Notepad = Start-Process -FilePath $Env:windir\SysWOW64\notepad.exe -WindowStyle Hidden -PassThru | ||
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| { $Wow64Notepad | Invoke-ATHInjectedThread -ErrorAction Stop } | Should -Throw | ||
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| $Wow64Notepad | Stop-Process -Force | ||
| } | ||
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| It 'should indicate that the powershell.exe child process failed to launch' -Tag 'Unit', 'T1055.002' { | ||
| Mock Wait-Event { return $null } | ||
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| { Invoke-ATHInjectedThread -ErrorAction Stop } | Should -Throw | ||
| } | ||
| } | ||
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| Context 'Expected artifacts and behaviors when exercising the attack technique' -Tag 'Technique', 'T1055.002' { | ||
| BeforeAll { | ||
| $Script:FixedTestGuid = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa' | ||
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| $Script:TargetNotepadProc = Start-Process -FilePath $Env:windir\System32\notepad.exe -WindowStyle Hidden -PassThru | ||
| } | ||
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| It 'should inject into a process (IsRWXMemory: <IsRWXMemory>, MinimumProcessAccess: <MinimumProcessAccess>, InjectIntoSpecificProcess: <InjectIntoSpecificProcess>)' -Tag 'Technique', 'T1055.002' { | ||
| $Arguments = @{} | ||
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| if ($IsRWXMemory) { | ||
| $ExpectedPageProtection = 'PAGE_EXECUTE_READWRITE' | ||
| $ExpectedPageProtectionValue = 64 | ||
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| $Arguments['MemoryProtectionType'] = 'ReadWriteExecute' | ||
| } else { | ||
| $ExpectedPageProtection = 'PAGE_EXECUTE_READ' | ||
| $ExpectedPageProtectionValue = 32 | ||
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| $Arguments['MemoryProtectionType'] = 'ReadExecute' | ||
| } | ||
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| if ($MinimumProcessAccess) { | ||
| $ExpectedProcessAccess = 'PROCESS_CREATE_THREAD, PROCESS_VM_OPERATION, PROCESS_VM_READ, PROCESS_VM_WRITE, PROCESS_QUERY_INFORMATION' | ||
| $ExpectedProcessAccessValue = 1082 | ||
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| $Arguments['ProcessAccessType'] = 'MinimumAccess' | ||
| } else { | ||
| $ExpectedProcessAccess = 'PROCESS_ALL_ACCESS' | ||
| $ExpectedProcessAccessValue = 2097151 | ||
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| $Arguments['ProcessAccessType'] = 'AllAccess' | ||
| } | ||
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| if ($InjectIntoSpecificProcess) { | ||
| $ExpectedProcessId = $TargetNotepadProc.Id | ||
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| $Arguments['ProcessId'] = $TargetNotepadProc.Id | ||
| } else { | ||
| $ExpectedProcessId = $null | ||
| } | ||
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| $Result = Invoke-ATHInjectedThread -TestGuid $FixedTestGuid @Arguments | ||
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| $Result | Should -Not -BeNullOrEmpty | ||
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| $Result.TechniqueID | Should -BeExactly $ExpectedTechniqueID | ||
| $Result.TestSuccess | Should -BeTrue | ||
| $Result.TestGuid | Should -BeExactly $FixedTestGuid | ||
| $Result.InjectedCodeBytes | Should -Not -BeNullOrEmpty | ||
| $Result.InjectedCodeHash | Should -Not -BeNullOrEmpty | ||
| $Result.SourceProcessId | Should -Be $PID | ||
| $Result.SourceExecutablePath | Should -Not -BeNullOrEmpty | ||
| $Result.SourceCommandLine | Should -Not -BeNullOrEmpty | ||
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| if ($InjectIntoSpecificProcess) { | ||
| $Result.TargetProcessId | Should -Be $ExpectedProcessId | ||
| } else { | ||
| $Result.TargetProcessId | Should -Not -BeNullOrEmpty | ||
| } | ||
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| $Result.TargetExecutablePath | Should -Match 'notepad\.exe' | ||
| $Result.TargetCommandLine | Should -Match 'notepad\.exe' | ||
| $Result.TargetProcessAccess | Should -BeExactly $ExpectedProcessAccess | ||
| $Result.TargetProcessAccessHex | Should -BeExactly $ExpectedProcessAccessHex | ||
| $Result.TargetBaseAddressHex | Should -Match '^[0-9A-F]{16}$' | ||
| $Result.TargetAllocationPageProtect | Should -BeExactly $ExpectedPageProtection | ||
| $Result.TargetAllocationPageProtectValue | Should -Be $ExpectedPageProtectionValue | ||
| $Result.TargetThreadId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetChildProcessId | Should -Not -BeNullOrEmpty | ||
| $Result.TargetChildProcessCommandLine | Should -Match $FixedTestGuid | ||
| } -TestCases @( | ||
| @{ IsRWXMemory = $False; MinimumProcessAccess = $False; InjectIntoSpecificProcess = $False }, | ||
| @{ IsRWXMemory = $True; MinimumProcessAccess = $False; InjectIntoSpecificProcess = $False }, | ||
| @{ IsRWXMemory = $False; MinimumProcessAccess = $True; InjectIntoSpecificProcess = $False }, | ||
| @{ IsRWXMemory = $True; MinimumProcessAccess = $True; InjectIntoSpecificProcess = $False }, | ||
| @{ IsRWXMemory = $False; MinimumProcessAccess = $False; InjectIntoSpecificProcess = $True }, | ||
| @{ IsRWXMemory = $True; MinimumProcessAccess = $False; InjectIntoSpecificProcess = $True }, | ||
| @{ IsRWXMemory = $False; MinimumProcessAccess = $True; InjectIntoSpecificProcess = $True }, | ||
| @{ IsRWXMemory = $True; MinimumProcessAccess = $True; InjectIntoSpecificProcess = $True } | ||
| ) | ||
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| AfterAll { | ||
| $Script:TargetNotepadProc | Stop-Process -Force | ||
| } | ||
| } | ||
| } |
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