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[Deprecate Rule] Threat Intel Filebeat Module (v7.x) Indicator Match #1703

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Merged
merged 2 commits into from
Jan 26, 2022
Merged

[Deprecate Rule] Threat Intel Filebeat Module (v7.x) Indicator Match #1703

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[Deprecate Rule] Threat Intel Filebeat Module (v7.x) Indicator Match
brokensound77 Jan 13, 2022
4350d3b
Merge branch 'main' into deprecate-ti-7.x-rule
brokensound77 Jan 26, 2022
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66 changes: 38 additions & 28 deletions ...oss-platform/threat_intel_filebeat7x.toml → .../_deprecated/threat_intel_filebeat7x.toml
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Original file line number Diff line number Diff line change
@@ -1,12 +1,14 @@
[metadata]
creation_date = "2021/04/21"
maturity = "production"
updated_date = "2021/10/29"
deprecation_date = "2022/01/12"
maturity = "deprecated"
updated_date = "2022/01/12"

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most of the changes were from the formatter. The primary changes are this and moving to the _deprecated path

[rule]
author = ["Elastic"]
description = """
This rule is triggered when indicators from the Threat Intel Filebeat module (v7.x) has a match against local file or network observations.
This rule is triggered when indicators from the Threat Intel Filebeat module (v7.x) has a match against local file or
network observations.
"""
from = "now-65m"
index = ["auditbeat-*", "endgame-*", "filebeat-*", "logs-*", "packetbeat-*", "winlogbeat-*"]
Expand Down Expand Up @@ -56,31 +58,30 @@ device such as a firewall or proxy appliance to prevent any outbound activity fr
- Another example of a response with a malicious file hash match would involve validating if the file was properly quarantined,
review current running processes looking for any abnormal activity, and investigating for any other follow-up actions such as persistence or lateral movement
"""
references = [ "https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-module-threatintel.html"]
references = ["https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-module-threatintel.html"]
risk_score = 99
rule_id = "dc672cb7-d5df-4d1f-a6d7-0841b1caafb9"
severity = "critical"
tags = ["Elastic", "Windows", "Elastic Endgame", "Network", "Continuous Monitoring", "SecOps", "Monitoring"]
threat_index = ["filebeat-*"]
threat_indicator_path = "threatintel.indicator"
threat_language = "kuery"
threat_query = """
@timestamp >= "now-30d" and event.module:threatintel and (threatintel.indicator.file.hash.*:* or
threatintel.indicator.file.pe.imphash:* or threatintel.indicator.ip:* or threatintel.indicator.registry.path:* or
threatintel.indicator.url.full:*)
"""
timeline_id = "495ad7a7-316e-4544-8a0f-9c098daee76e"
timeline_title = "Generic Threat Match Timeline"
type = "threat_match"

threat_index = [ "filebeat-*"]
threat_indicator_path = "threatintel.indicator"
threat_language = "kuery"

threat_query = '''
@timestamp >= "now-30d" and event.module:threatintel and
(threatintel.indicator.file.hash.*:* or threatintel.indicator.file.pe.imphash:* or threatintel.indicator.ip:* or
threatintel.indicator.registry.path:* or threatintel.indicator.url.full:*)
'''

query = """
query = '''
file.hash.*:* or file.pe.imphash:* or source.ip:* or destination.ip:* or url.full:* or registry.path:*
"""
'''


[[rule.threat_filters]]

[rule.threat_filters."$state"]
store = "appState"
[rule.threat_filters.meta]
Expand All @@ -92,8 +93,8 @@ key = "event.module"
query = "threatintel"
[rule.threat_filters.query.match_phrase]
"event.module" = "threatintel"

[[rule.threat_filters]]

[rule.threat_filters."$state"]
store = "appState"
[rule.threat_filters.meta]
Expand All @@ -105,8 +106,8 @@ key = "event.category"
query = "threat"
[rule.threat_filters.query.match_phrase]
"event.category" = "threat"

[[rule.threat_filters]]

[rule.threat_filters."$state"]
store = "appState"
[rule.threat_filters.meta]
Expand All @@ -118,8 +119,8 @@ key = "event.kind"
query = "enrichment"
[rule.threat_filters.query.match_phrase]
"event.kind" = "enrichment"

[[rule.threat_filters]]

[rule.threat_filters."$state"]
store = "appState"
[rule.threat_filters.meta]
Expand All @@ -131,51 +132,60 @@ key = "event.type"
query = "indicator"
[rule.threat_filters.query.match_phrase]
"event.type" = "indicator"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.file.hash.md5"
field = "file.hash.md5"
type = "mapping"
value = "threatintel.indicator.file.hash.md5"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.file.hash.sha1"
field = "file.hash.sha1"
type = "mapping"
value = "threatintel.indicator.file.hash.sha1"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.file.hash.sha256"
field = "file.hash.sha256"
type = "mapping"
value = "threatintel.indicator.file.hash.sha256"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.file.pe.imphash"
field = "file.pe.imphash"
type = "mapping"
value = "threatintel.indicator.file.pe.imphash"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.ip"
field = "source.ip"
type = "mapping"
value = "threatintel.indicator.ip"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.ip"
field = "destination.ip"
type = "mapping"
value = "threatintel.indicator.ip"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.url.full"
field = "url.full"
type = "mapping"
value = "threatintel.indicator.url.full"

[[rule.threat_mapping]]

[[rule.threat_mapping.entries]]
value = "threatintel.indicator.registry.path"
field = "registry.path"
type = "mapping"
value = "threatintel.indicator.registry.path"