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Identifier_Reputation_Analysis_Dispatch.py
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Identifier_Reputation_Analysis_Dispatch.py
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"""
Detects available indicators and routes them to indicator reputation analysis playbooks. The output of the analysis will update any artifacts, tasks, and indicator tags.\n\nRef: https://d3fend.mitre.org/technique/d3f:IdentifierReputationAnalysis/
"""
import phantom.rules as phantom
import json
from datetime import datetime, timedelta
@phantom.playbook_block()
def on_start(container):
phantom.debug('on_start() called')
# call 'artifact_decision' block
artifact_decision(container=container)
return
@phantom.playbook_block()
def update_reputation_task(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("update_reputation_task() called")
id_value = container.get("id", None)
merge_reports = phantom.get_format_data(name="merge_reports")
parameters = []
parameters.append({
"owner": None,
"status": "complete",
"container": id_value,
"task_name": "playbook",
"note_title": "Identifier Reputation Analysis Report",
"note_content": merge_reports,
})
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
phantom.custom_function(custom_function="community/workbook_task_update", parameters=parameters, name="update_reputation_task")
return
@phantom.playbook_block()
def tag_indicators(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("tag_indicators() called")
filtered_output_0_dispatch_reputation_playbooks_1_output_observable = phantom.collect2(container=container, datapath=["filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.reputation.score","filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.value"])
parameters = []
# build parameters list for 'tag_indicators' call
for filtered_output_0_dispatch_reputation_playbooks_1_output_observable_item in filtered_output_0_dispatch_reputation_playbooks_1_output_observable:
parameters.append({
"tags": filtered_output_0_dispatch_reputation_playbooks_1_output_observable_item[0],
"indicator": filtered_output_0_dispatch_reputation_playbooks_1_output_observable_item[1],
"overwrite": None,
})
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
phantom.custom_function(custom_function="community/indicator_tag", parameters=parameters, name="tag_indicators")
return
@phantom.playbook_block()
def outputs_filter(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("outputs_filter() called")
################################################################################
# Routes outputs based on reputation score and report availability.
################################################################################
# collect filtered artifact ids and results for 'if' condition 1
matched_artifacts_1, matched_results_1 = phantom.condition(
container=container,
conditions=[
["dispatch_reputation_playbooks_1:playbook_output:observable.reputation.score_id", ">=", 0]
],
name="outputs_filter:condition_1")
# call connected blocks if filtered artifacts or results
if matched_artifacts_1 or matched_results_1:
merge_reports(action=action, success=success, container=container, results=results, handle=handle, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1)
tag_indicators(action=action, success=success, container=container, results=results, handle=handle, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1)
return
@phantom.playbook_block()
def filter_new_artifacts(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("filter_new_artifacts() called")
################################################################################
# Only dispatch reputation playbooks against new artifacts.
################################################################################
# collect filtered artifact ids and results for 'if' condition 1
matched_artifacts_1, matched_results_1 = phantom.condition(
container=container,
conditions=[
["artifact:*.id", "!=", None]
],
name="filter_new_artifacts:condition_1")
# call connected blocks if filtered artifacts or results
if matched_artifacts_1 or matched_results_1:
dispatch_reputation_playbooks_1(action=action, success=success, container=container, results=results, handle=handle, filtered_artifacts=matched_artifacts_1, filtered_results=matched_results_1)
return
@phantom.playbook_block()
def dispatch_reputation_playbooks_1(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("dispatch_reputation_playbooks_1() called")
filtered_artifact_0_data_filter_new_artifacts = phantom.collect2(container=container, datapath=["filtered-data:filter_new_artifacts:condition_1:artifact:*.id"])
filtered_artifact_0__id = [item[0] for item in filtered_artifact_0_data_filter_new_artifacts]
inputs = {
"playbook_repo": [],
"playbook_tags": ["reputation"],
"artifact_ids_include": filtered_artifact_0__id,
"indicator_tags_exclude": [],
"indicator_tags_include": [],
}
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
# call playbook "community/dispatch_input_playbooks", returns the playbook_run_id
playbook_run_id = phantom.playbook("community/dispatch_input_playbooks", container=container, name="dispatch_reputation_playbooks_1", callback=outputs_decision, inputs=inputs)
return
@phantom.playbook_block()
def merge_reports(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("merge_reports() called")
################################################################################
# Format a note that merges together normalized data. The data will come from
# the playbooks launched by the Dispatch Reputation Playbooks block.
################################################################################
template = """SOAR performed Reputation Analysis based on available indicators and playbooks. The following table shows a summary of the information gathered.\n\n| Type | Value | Normalized Score | Categories | Source | Source Link |\n| --- | --- | --- | --- | --- | --- |\n%%\n| {0} | `{1}` | {2} | {3} | {4} | {5} |\n%%"""
# parameter list for template variable replacement
parameters = [
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.type",
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.value",
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.reputation.score",
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.categories",
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.source",
"filtered-data:outputs_filter:condition_1:dispatch_reputation_playbooks_1:playbook_output:observable.source_link"
]
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
phantom.format(container=container, template=template, parameters=parameters, name="merge_reports")
update_reputation_task(container=container)
return
@phantom.playbook_block()
def outputs_decision(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("outputs_decision() called")
################################################################################
# Determine if outputs exist.
################################################################################
# check for 'if' condition 1
found_match_1 = phantom.decision(
container=container,
conditions=[
["dispatch_reputation_playbooks_1:playbook_output:observable", "!=", None]
])
# call connected blocks if condition 1 matched
if found_match_1:
outputs_filter(action=action, success=success, container=container, results=results, handle=handle)
return
# check for 'else' condition 2
add_comment_1(action=action, success=success, container=container, results=results, handle=handle)
return
@phantom.playbook_block()
def add_comment_1(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("add_comment_1() called")
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
phantom.comment(container=container, comment="No observable data found from playbook.")
return
@phantom.playbook_block()
def artifact_decision(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("artifact_decision() called")
################################################################################
# Determine if artifacts exist to run through the playbook.
################################################################################
# check for 'if' condition 1
found_match_1 = phantom.decision(
container=container,
conditions=[
["artifact:*.id", "!=", None]
])
# call connected blocks if condition 1 matched
if found_match_1:
filter_new_artifacts(action=action, success=success, container=container, results=results, handle=handle)
return
# check for 'else' condition 2
add_comment_2(action=action, success=success, container=container, results=results, handle=handle)
return
@phantom.playbook_block()
def add_comment_2(action=None, success=None, container=None, results=None, handle=None, filtered_artifacts=None, filtered_results=None, custom_function=None, **kwargs):
phantom.debug("add_comment_2() called")
################################################################################
## Custom Code Start
################################################################################
# Write your custom code here...
################################################################################
## Custom Code End
################################################################################
phantom.comment(container=container, comment="No new artifacts found to perform Dynamic Identifier Reputation Analysis.")
return
@phantom.playbook_block()
def on_finish(container, summary):
phantom.debug("on_finish() called")
################################################################################
## Custom Code Start
################################################################################
# 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)
################################################################################
## Custom Code End
################################################################################
return