blob: 02e090c146b79e43909b6545ed6bcba925007274 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* shellcode.h - shellcode structure and function definitions
*
* team teso
*/
#ifndef SHELLCODE_H
#define SHELLCODE_H
/* (nop_gen) function type which will generate a nop space:
* parameters: unsigned char *dest, unsigned int dest_len
*
* will generate no more than dest_len bytes of nop space. the length
* is rounded down to a multiple of arch_codelen, so for risc archs be
* sure dest_len % arch_codelen is zero
*
* return the number of nop bytes generated (not the instruction count)
*
* XXX: name your functions <arch>_nop
*/
typedef unsigned int (* nop_gen)(unsigned char *, unsigned int,
unsigned char *, int);
/* helper macro to set individual bits
*/
#define BSET(dest, len, val, bw) { \
dest &= ~(((unsigned char) ~0) >> bw); /* clear lower bits */ \
dest |= val << (8 - bw - len); /* set value bits */ \
bw += len; \
}
typedef struct {
char * code_string; /* description string of the code */
unsigned int code_len; /* length of code in bytes */
unsigned char * code; /* code byte array */
} shellcode;
typedef struct {
char * arch_string; /* description string of this arch */
unsigned int arch_codelen; /* minimum instruction length */
nop_gen arch_nop; /* nop space generation function */
shellcode ** arch_codes; /* shellcode array for this arch */
} arch;
unsigned long int
random_get (unsigned long int low, unsigned long int high);
void
random_init (void);
int
bad (unsigned char u);
int
badstr (unsigned char *code, int code_len, unsigned char *bad, int bad_len);
#endif
|
