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Warden
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Commits
079a9703
Commit
079a9703
authored
7 years ago
by
Pavel Eis
Committed by
Pavel Kácha
2 years ago
Browse files
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IDEA_to_STIX fixed port mapping
parent
df6d2a1e
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1 changed file
IDEA_to_STIX/IdeaToStix.py
+28
-17
28 additions, 17 deletions
IDEA_to_STIX/IdeaToStix.py
with
28 additions
and
17 deletions
IDEA_to_STIX/IdeaToStix.py
+
28
−
17
View file @
079a9703
...
...
@@ -74,7 +74,7 @@ class StixGenerator(object):
object_counter
=
[
object_counter
[
-
1
]]
return
network_values
,
object_counter
,
objects
def
one_network_traffic_object
(
self
,
src_network_references
=
None
,
dst_network_references
=
None
):
def
one_network_traffic_object
(
self
,
src_network_references
=
None
,
dst_network_references
=
None
,
port
=
None
):
network_traffic
=
{
'
type
'
:
"
network-traffic
"
}
...
...
@@ -83,27 +83,39 @@ class StixGenerator(object):
network_traffic
[
'
src_ref
'
]
=
[
str
(
ip_key
)
for
ip_key
in
src_network_references
[
'
Ip_addr_references
'
]]
if
src_network_references
.
get
(
'
Proto
'
):
network_traffic
[
'
protocols
'
]
=
src_network_references
[
'
Proto
'
]
if
src_network_references
.
get
(
'
P
ort
'
)
:
network_traffic
[
'
src_port
'
]
=
src_network_references
[
'
Port
'
][
0
]
if
p
ort
:
network_traffic
[
'
src_port
'
]
=
port
if
dst_network_references
:
if
dst_network_references
.
get
(
'
Ip_addr_references
'
):
network_traffic
[
'
dst_ref
'
]
=
[
str
(
ip_key
)
for
ip_key
in
dst_network_references
[
'
Ip_addr_references
'
]]
if
dst_network_references
.
get
(
'
Proto
'
):
network_traffic
[
'
protocols
'
]
=
dst_network_references
[
'
Proto
'
]
if
dst_network_references
.
get
(
'
P
ort
'
)
:
network_traffic
[
'
dst_port
'
]
=
dst_network_references
[
'
Port
'
][
0
]
if
p
ort
:
network_traffic
[
'
dst_port
'
]
=
port
return
network_traffic
def
all_network_traffic_objects
(
self
,
src_network_references
,
dst_network_references
,
object_counter
):
objects
=
{}
if
src_network_references
:
for
network_record
in
src_network_references
:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
network_record
)
object_counter
+=
1
if
network_record
.
get
(
'
Port
'
):
for
port
in
network_record
[
'
Port
'
]:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
src_network_references
=
network_record
,
port
=
port
)
object_counter
+=
1
else
:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
network_record
)
object_counter
+=
1
if
dst_network_references
:
for
network_record
in
dst_network_references
:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
None
,
network_record
)
object_counter
+=
1
if
network_record
.
get
(
'
Port
'
):
for
port
in
network_record
[
'
Port
'
]:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
dst_network_references
=
network_record
,
port
=
port
)
object_counter
+=
1
else
:
objects
[
str
(
object_counter
)]
=
self
.
one_network_traffic_object
(
None
,
network_record
)
object_counter
+=
1
return
objects
,
object_counter
def
external_references
(
self
,
refs
):
...
...
@@ -116,7 +128,7 @@ class StixGenerator(object):
'
external_id
'
:
record
.
split
(
"
:
"
)[
1
]})
return
ext_references
def
observed_data_object
(
self
,
identity
,
data
,
file
,
labels
=
False
):
def
observed_data_object
(
self
,
identity
,
data
,
labels
=
False
):
observed_data
=
{
'
type
'
:
"
observed-data
"
,
'
id
'
:
"
observed-data--
"
+
str
(
uuid4
()),
...
...
@@ -127,7 +139,6 @@ class StixGenerator(object):
'
number-observed
'
:
data
[
'
ConnCount
'
]
if
data
.
get
(
'
ConnCount
'
)
else
1
,
'
x_idea_original_data
'
:
data
}
print
(
file
)
if
data
.
get
(
'
Ref
'
):
observed_data
[
'
external_references
'
]
=
self
.
external_references
(
data
[
'
Ref
'
])
if
labels
:
...
...
@@ -185,10 +196,10 @@ def get_args():
help
=
"
Path to directory of IDEA files you want to convert.
"
)
return
parser
def
generate_sighting_message
(
data
,
category
,
file
):
def
generate_sighting_message
(
data
,
category
):
stix_gen
=
StixGenerator
()
identity
=
stix_gen
.
identity_object
(
data
.
get
(
'
Node
'
))
observed_data
=
stix_gen
.
observed_data_object
(
identity
[
'
id
'
],
data
,
file
)
observed_data
=
stix_gen
.
observed_data_object
(
identity
[
'
id
'
],
data
)
alert_object
=
stix_gen
.
alert_object
(
category
,
data
.
get
(
'
Ref
'
))
sighting_object
=
stix_gen
.
sighting_object
(
identity
[
'
id
'
],
observed_data
[
'
id
'
],
alert_object
[
'
id
'
],
data
[
'
DetectTime
'
],
data
.
get
(
'
ConnCount
'
),
data
.
get
(
'
EventTime
'
),
...
...
@@ -196,10 +207,10 @@ def generate_sighting_message(data, category, file):
return
[
json
.
dumps
(
sighting_object
),
json
.
dumps
(
identity
),
json
.
dumps
(
alert_object
),
json
.
dumps
(
observed_data
)]
def
generate_observable_message
(
data
,
file
):
def
generate_observable_message
(
data
):
stix_gen
=
StixGenerator
()
identity
=
stix_gen
.
identity_object
(
data
.
get
(
'
Node
'
))
observed_data
=
stix_gen
.
observed_data_object
(
identity
[
'
id
'
],
data
,
file
,
True
)
observed_data
=
stix_gen
.
observed_data_object
(
identity
[
'
id
'
],
data
,
True
)
return
[
json
.
dumps
(
identity
),
json
.
dumps
(
observed_data
)]
...
...
@@ -222,9 +233,9 @@ def main():
if
type
in
data
[
'
Category
'
][
0
]:
sighting_message
=
type
if
sighting_message
:
output
=
generate_sighting_message
(
data
,
sighting_message
,
file
)
output
=
generate_sighting_message
(
data
,
sighting_message
)
else
:
output
=
generate_observable_message
(
data
,
file
)
output
=
generate_observable_message
(
data
)
output_file
=
open
(
os
.
path
.
join
(
os
.
getcwd
(),
"
STIX_converted_messages
"
,
"
STIX_converted_
"
+
file
),
'
w
'
)
for
object
in
output
:
json
.
dump
(
json
.
JSONDecoder
().
decode
(
object
),
output_file
)
...
...
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