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otsec_action_check_network_direct_inbound_py3.py
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otsec_action_check_network_direct_inbound_py3.py
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"""
"""
import phantom.rules as phantom
import json
from datetime import datetime, timedelta
def on_start(container):
phantom.debug('on_start() called')
# call 'Format_Asset_Lookup' block
Format_Asset_Lookup(container=container)
return
def Format_Network_Direct_Inbound(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Format_Network_Direct_Inbound() called')
template = """| tstats `summariesonly` values(All_Traffic.action) as action,values(All_Traffic.src_port) as src_port,values(All_Traffic.dest_port) as dest_port,count from datamodel=Network_Traffic.All_Traffic where earliest=-24h latest=now All_Traffic.src!=\"172.*\" ( All_Traffic.dest=\"{0}\" ) by All_Traffic.src, All_Traffic.dest
| `drop_dm_object_name(\"All_Traffic\")`
| rex field=dest \"(?P<src_net>\\d+\\.\\d+)\"
| eval condition=src_net+\".%\"
| where NOT (src LIKE condition)
| table src dest action src_port dest_port count
| sort - count"""
# parameter list for template variable replacement
parameters = [
"Search_OT_Asset:action_result.data.*.ip",
"artifact:*.cef.dvc",
]
phantom.format(container=container, template=template, parameters=parameters, name="Format_Network_Direct_Inbound")
Check_Network_Direct_Inbound(container=container)
return
"""
Search for Access priv logins to the asset
"""
def Check_Network_Direct_Inbound(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Check_Network_Direct_Inbound() called')
#phantom.debug('Action: {0} {1}'.format(action['name'], ('SUCCEEDED' if success else 'FAILED')))
# collect data for 'Check_Network_Direct_Inbound' call
formatted_data_1 = phantom.get_format_data(name='Format_Network_Direct_Inbound')
parameters = []
# build parameters list for 'Check_Network_Direct_Inbound' call
parameters.append({
'query': formatted_data_1,
'command': "",
'display': "",
'parse_only': "",
})
phantom.act(action="run query", parameters=parameters, assets=['splunk es - ot sec'], callback=filter_1, name="Check_Network_Direct_Inbound")
return
def filter_1(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('filter_1() called')
# collect filtered artifact ids for 'if' condition 1
matched_artifacts_1, matched_results_1 = phantom.condition(
container=container,
action_results=results,
conditions=[
["Check_Network_Direct_Inbound:action_result.summary.total_events", ">", 0],
],
name="filter_1:condition_1")
# call connected blocks if filtered artifacts or results
if matched_artifacts_1 or matched_results_1:
Format_Pin_Network_Direct_Inbound(action=action, success=success, container=container, results=results, handle=handle, custom_function=custom_function, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1)
Add_Note_Format(action=action, success=success, container=container, results=results, handle=handle, custom_function=custom_function, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1)
# collect filtered artifact ids for 'if' condition 2
matched_artifacts_2, matched_results_2 = phantom.condition(
container=container,
action_results=results,
conditions=[
["Check_Network_Direct_Inbound:action_result.summary.total_events", "==", 0],
],
name="filter_1:condition_2")
# call connected blocks if filtered artifacts or results
if matched_artifacts_2 or matched_results_2:
pass
return
def Format_Pin_Network_Direct_Inbound(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Format_Pin_Network_Direct_Inbound() called')
template = """Total {0} Records Detected for Review"""
# parameter list for template variable replacement
parameters = [
"filtered-data:filter_1:condition_1:Check_Network_Direct_Inbound:action_result.summary.total_events",
]
phantom.format(container=container, template=template, parameters=parameters, name="Format_Pin_Network_Direct_Inbound")
Pin_Check_Network_New_Inbound(container=container)
return
def Pin_Check_Network_New_Inbound(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Pin_Check_Network_New_Inbound() called')
formatted_data_1 = phantom.get_format_data(name='Format_Pin_Network_Direct_Inbound')
phantom.pin(container=container, data=formatted_data_1, message="Check Network Direct Inbound Sessions", name="Check Network Direct Inbound Sessions")
return
def Add_Note_Format(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Add_Note_Format() called')
template = """**GUIDE** : Check detected direct network inbound sessions to the asset. These sessions are from internal corporate networks.
|src|dest|action|src_port|dest_port|count|
|--|--|--|--|--|
%%
|{0}|{1}|{2}|{3}|{4}|{5}|
%%"""
# parameter list for template variable replacement
parameters = [
"Check_Network_Direct_Inbound:action_result.data.*.src",
"Check_Network_Direct_Inbound:action_result.data.*.dest",
"Check_Network_Direct_Inbound:action_result.data.*.action",
"Check_Network_Direct_Inbound:action_result.data.*.src_port.data.*.dest_port",
"Check_Network_Direct_Inbound:action_result.data.*.dest_port.data.*.count",
"Check_Network_Direct_Inbound:action_result.data.*.count",
]
phantom.format(container=container, template=template, parameters=parameters, name="Add_Note_Format")
add_note_3(container=container)
return
def add_note_3(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('add_note_3() called')
formatted_data_1 = phantom.get_format_data(name='Add_Note_Format')
note_title = "Check Network Direct Inbound Sessions"
note_content = formatted_data_1
note_format = "markdown"
phantom.add_note(container=container, note_type="general", title=note_title, content=note_content, note_format=note_format)
return
def Format_Asset_Lookup(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Format_Asset_Lookup() called')
template = """| `reverse_asset_lookup(\"{0}\")`
| strcat asset_vendor \" : \" asset_model asset_vendor_model
| rex field=zone \"level[_]*(?<zone_no>\\d+)\"
| mvexpand zone_no
| table asset asset_id asset_vendor_model asset_model asset_status asset_system asset_tag asset_type asset_vendor asset_version bunit category city classification country description dns exposure ip location mac nt_host owner pci_domain priority requires_av should_timesync should_update site_id vlan zone zone_no
| rex field=ip \"^(?P<net_local>\\d+\\.\\d+)\""""
# parameter list for template variable replacement
parameters = [
"artifact:*.cef.dvc",
]
phantom.format(container=container, template=template, parameters=parameters, name="Format_Asset_Lookup")
Search_OT_Asset(container=container)
return
def Search_OT_Asset(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug('Search_OT_Asset() called')
# collect data for 'Search_OT_Asset' call
formatted_data_1 = phantom.get_format_data(name='Format_Asset_Lookup')
parameters = []
# build parameters list for 'Search_OT_Asset' call
parameters.append({
'query': formatted_data_1,
'command': "",
'display': "",
'parse_only': "",
})
phantom.act(action="run query", parameters=parameters, assets=['splunk es - ot sec'], callback=Format_Network_Direct_Inbound, name="Search_OT_Asset")
return
def on_finish(container, summary):
phantom.debug('on_finish() called')
# This function is called after all actions are completed.
# summary of all the action and/or all details of actions
# can be collected here.
# summary_json = phantom.get_summary()
# if 'result' in summary_json:
# for action_result in summary_json['result']:
# if 'action_run_id' in action_result:
# action_results = phantom.get_action_results(action_run_id=action_result['action_run_id'], result_data=False, flatten=False)
# phantom.debug(action_results)
return