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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
Unix SMB/CIFS implementation.
Extract the user/system database from a remote SamSync server
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libnet/libnet.h"
#include "lib/util/dlinklist.h"
#include "samba3/samba3.h"
#include "libcli/security/security.h"
struct samdump_secret {
struct samdump_secret *prev, *next;
DATA_BLOB secret;
char *name;
NTTIME mtime;
};
struct samdump_trusted_domain {
struct samdump_trusted_domain *prev, *next;
struct dom_sid *sid;
char *name;
};
struct samdump_state {
struct samdump_secret *secrets;
struct samdump_trusted_domain *trusted_domains;
};
static NTSTATUS vampire_samdump_handle_user(TALLOC_CTX *mem_ctx,
struct netr_DELTA_ENUM *delta)
{
uint32_t rid = delta->delta_id_union.rid;
struct netr_DELTA_USER *user = delta->delta_union.user;
const char *username = user->account_name.string;
char *hex_lm_password;
char *hex_nt_password;
hex_lm_password = smbpasswd_sethexpwd(mem_ctx,
user->lm_password_present ? &user->lmpassword : NULL,
user->acct_flags);
hex_nt_password = smbpasswd_sethexpwd(mem_ctx,
user->nt_password_present ? &user->ntpassword : NULL,
user->acct_flags);
printf("%s:%d:%s:%s:%s:LCT-%08X\n", username,
rid, hex_lm_password, hex_nt_password,
smbpasswd_encode_acb_info(mem_ctx, user->acct_flags),
(unsigned int)nt_time_to_unix(user->last_password_change));
return NT_STATUS_OK;
}
static NTSTATUS vampire_samdump_handle_secret(TALLOC_CTX *mem_ctx,
struct samdump_state *samdump_state,
struct netr_DELTA_ENUM *delta)
{
struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
const char *name = delta->delta_id_union.name;
struct samdump_secret *new = talloc(samdump_state, struct samdump_secret);
new->name = talloc_strdup(new, name);
new->secret = data_blob_talloc(new, secret->current_cipher.cipher_data, secret->current_cipher.maxlen);
new->mtime = secret->current_cipher_set_time;
DLIST_ADD(samdump_state->secrets, new);
return NT_STATUS_OK;
}
static NTSTATUS vampire_samdump_handle_trusted_domain(TALLOC_CTX *mem_ctx,
struct samdump_state *samdump_state,
struct netr_DELTA_ENUM *delta)
{
struct netr_DELTA_TRUSTED_DOMAIN *trusted_domain = delta->delta_union.trusted_domain;
struct dom_sid *dom_sid = delta->delta_id_union.sid;
struct samdump_trusted_domain *new = talloc(samdump_state, struct samdump_trusted_domain);
new->name = talloc_strdup(new, trusted_domain->domain_name.string);
new->sid = talloc_steal(new, dom_sid);
DLIST_ADD(samdump_state->trusted_domains, new);
return NT_STATUS_OK;
}
static NTSTATUS libnet_samdump_fn(TALLOC_CTX *mem_ctx,
void *private,
enum netr_SamDatabaseID database,
struct netr_DELTA_ENUM *delta,
char **error_string)
{
NTSTATUS nt_status = NT_STATUS_OK;
struct samdump_state *samdump_state = (struct samdump_state *)private;
*error_string = NULL;
switch (delta->delta_type) {
case NETR_DELTA_USER:
{
/* not interested in builtin users */
if (database == SAM_DATABASE_DOMAIN) {
nt_status = vampire_samdump_handle_user(mem_ctx,
delta);
}
break;
}
case NETR_DELTA_SECRET:
{
nt_status = vampire_samdump_handle_secret(mem_ctx,
samdump_state,
delta);
break;
}
case NETR_DELTA_TRUSTED_DOMAIN:
{
nt_status = vampire_samdump_handle_trusted_domain(mem_ctx,
samdump_state,
delta);
break;
}
default:
/* Can't dump them all right now */
break;
}
return nt_status;
}
NTSTATUS libnet_SamDump(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
struct libnet_SamDump *r)
{
NTSTATUS nt_status;
struct libnet_SamSync r2;
struct samdump_state *samdump_state = talloc(mem_ctx, struct samdump_state);
struct samdump_trusted_domain *t;
struct samdump_secret *s;
if (!samdump_state) {
return NT_STATUS_NO_MEMORY;
}
samdump_state->secrets = NULL;
samdump_state->trusted_domains = NULL;
r2.out.error_string = NULL;
r2.in.binding_string = r->in.binding_string;
r2.in.rid_crypt = lp_parm_bool(global_loadparm, NULL, "vampire", "rid decrypt", true);
r2.in.init_fn = NULL;
r2.in.delta_fn = libnet_samdump_fn;
r2.in.fn_ctx = samdump_state;
r2.in.machine_account = r->in.machine_account;
nt_status = libnet_SamSync_netlogon(ctx, samdump_state, &r2);
r->out.error_string = r2.out.error_string;
talloc_steal(mem_ctx, r->out.error_string);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(samdump_state);
return nt_status;
}
printf("Trusted domains, sids and secrets:\n");
for (t=samdump_state->trusted_domains; t; t=t->next) {
char *secret_name = talloc_asprintf(mem_ctx, "G$$%s", t->name);
for (s=samdump_state->secrets; s; s=s->next) {
char *secret_string;
if (strcasecmp_m(s->name, secret_name) != 0) {
continue;
}
if (convert_string_talloc(mem_ctx, global_smb_iconv_convenience, CH_UTF16, CH_UNIX,
s->secret.data, s->secret.length,
(void **)&secret_string) == -1) {
r->out.error_string = talloc_asprintf(mem_ctx,
"Could not convert secret for domain %s to a string",
t->name);
talloc_free(samdump_state);
return NT_STATUS_INVALID_PARAMETER;
}
printf("%s\t%s\t%s\n",
t->name, dom_sid_string(mem_ctx, t->sid),
secret_string);
}
}
talloc_free(samdump_state);
return nt_status;
}
|
