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
|
/* Copyright (C) 2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
use uuid::Uuid;
use crate::dcerpc::dcerpc::*;
use crate::dcerpc::dcerpc_udp::*;
use crate::jsonbuilder::{JsonBuilder, JsonError};
fn log_dcerpc_header_tcp(
jsb: &mut JsonBuilder, state: &DCERPCState, tx: &DCERPCTransaction,
) -> Result<(), JsonError> {
if tx.req_done && !tx.req_lost {
jsb.set_string("request", &dcerpc_type_string(tx.req_cmd))?;
match tx.req_cmd {
DCERPC_TYPE_REQUEST => {
jsb.open_object("req")?;
jsb.set_uint("opnum", tx.opnum as u64)?;
jsb.set_uint("frag_cnt", tx.frag_cnt_ts as u64)?;
jsb.set_uint("stub_data_size", tx.stub_data_buffer_ts.len() as u64)?;
jsb.close()?;
}
DCERPC_TYPE_BIND => match &state.bind {
Some(bind) => {
jsb.open_array("interfaces")?;
for uuid in &bind.uuid_list {
jsb.start_object()?;
let ifstr = Uuid::from_slice(uuid.uuid.as_slice());
let ifstr = ifstr.map(|uuid| uuid.to_hyphenated().to_string()).unwrap();
jsb.set_string("uuid", &ifstr)?;
let vstr = format!("{}.{}", uuid.version, uuid.versionminor);
jsb.set_string("version", &vstr)?;
jsb.set_uint("ack_result", uuid.result as u64)?;
jsb.close()?;
}
jsb.close()?;
}
None => {}
},
_ => {}
}
} else {
jsb.set_string("request", "REQUEST_LOST")?;
}
if tx.resp_done && !tx.resp_lost {
jsb.set_string("response", &dcerpc_type_string(tx.resp_cmd))?;
#[allow(clippy::single_match)]
match tx.resp_cmd {
DCERPC_TYPE_RESPONSE => {
jsb.open_object("res")?;
jsb.set_uint("frag_cnt", tx.frag_cnt_tc as u64)?;
jsb.set_uint("stub_data_size", tx.stub_data_buffer_tc.len() as u64)?;
jsb.close()?;
}
_ => {} // replicating behavior from smb
}
} else {
jsb.set_string("response", "UNREPLIED")?;
}
if let Some(ref hdr) = state.header {
jsb.set_uint("call_id", tx.call_id as u64)?;
let vstr = format!("{}.{}", hdr.rpc_vers, hdr.rpc_vers_minor);
jsb.set_string("rpc_version", &vstr)?;
}
return Ok(());
}
fn log_dcerpc_header_udp(
jsb: &mut JsonBuilder, _state: &DCERPCUDPState, tx: &DCERPCTransaction,
) -> Result<(), JsonError> {
if tx.req_done && !tx.req_lost {
jsb.set_string("request", &dcerpc_type_string(tx.req_cmd))?;
#[allow(clippy::single_match)]
match tx.req_cmd {
DCERPC_TYPE_REQUEST => {
jsb.open_object("req")?;
jsb.set_uint("opnum", tx.opnum as u64)?;
jsb.set_uint("frag_cnt", tx.frag_cnt_ts as u64)?;
jsb.set_uint("stub_data_size", tx.stub_data_buffer_ts.len() as u64)?;
jsb.close()?;
}
_ => {}
}
} else {
jsb.set_string("request", "REQUEST_LOST")?;
}
if tx.resp_done && !tx.resp_lost {
jsb.set_string("response", &dcerpc_type_string(tx.resp_cmd))?;
#[allow(clippy::single_match)]
match tx.resp_cmd {
DCERPC_TYPE_RESPONSE => {
jsb.open_object("res")?;
jsb.set_uint("frag_cnt", tx.frag_cnt_tc as u64)?;
jsb.set_uint("stub_data_size", tx.stub_data_buffer_tc.len() as u64)?;
jsb.close()?;
}
_ => {} // replicating behavior from smb
}
} else {
jsb.set_string("response", "UNREPLIED")?;
}
let activityuuid = Uuid::from_slice(tx.activityuuid.as_slice());
let activityuuid = activityuuid.map(|uuid| uuid.to_hyphenated().to_string()).unwrap();
jsb.set_string("activityuuid", &activityuuid)?;
jsb.set_uint("seqnum", tx.seqnum as u64)?;
jsb.set_string("rpc_version", "4.0")?;
return Ok(());
}
#[no_mangle]
pub extern "C" fn rs_dcerpc_log_json_record_tcp(
state: &DCERPCState, tx: &DCERPCTransaction, jsb: &mut JsonBuilder,
) -> bool {
log_dcerpc_header_tcp(jsb, state, tx).is_ok()
}
#[no_mangle]
pub extern "C" fn rs_dcerpc_log_json_record_udp(
state: &DCERPCUDPState, tx: &DCERPCTransaction, jsb: &mut JsonBuilder,
) -> bool {
log_dcerpc_header_udp(jsb, state, tx).is_ok()
}
|
