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[Tuning] Agent Spoofing - Mismatched Agent ID #5295

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Merged
merged 4 commits into from
Nov 10, 2025
Merged

[Tuning] Agent Spoofing - Mismatched Agent ID #5295

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0bd19bb
Ignore agentless executions in agent_id_status events.
shashank-elastic Nov 10, 2025
063dd79
Merge branch 'main' into sdh-641
shashank-elastic Nov 10, 2025
860cdac
Merge branch 'main' into sdh-641
shashank-elastic Nov 10, 2025
81dd096
Merge branch 'main' into sdh-641
shashank-elastic Nov 10, 2025
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4 changes: 2 additions & 2 deletions rules/cross-platform/defense_evasion_agent_spoofing_mismatched_id.toml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
[metadata]
creation_date = "2021/07/14"
maturity = "production"
updated_date = "2025/01/15"
updated_date = "2025/11/10"

[rule]
author = ["Elastic"]
Expand Down Expand Up @@ -29,7 +29,7 @@ timestamp_override = "event.ingested"
type = "query"

query = '''
event.agent_id_status:(agent_id_mismatch or mismatch)
event.agent_id_status:(agent_id_mismatch or mismatch) and not host.name:agentless-*
'''
note = """## Triage and analysis

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