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@@ -19,7 +19,7 @@ search: '| tstats `security_content_summariesonly` earliest(_time) AS starttime
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| lookup ut_shannon_lookup word AS user
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| where ut_shannon>3 AND len(user)>=8 AND mvcount(src) == 1
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| sort count, - ut_shannon
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| eval incorrect_password=user
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| eval incorrect_cred=user
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| eval endtime=endtime+1000
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| map maxsearches=70 search="| tstats `security_content_summariesonly`
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earliest(_time) AS starttime latest(_time) AS endtime latest(sourcetype) AS sourcetype
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@@ -29,10 +29,10 @@ search: '| tstats `security_content_summariesonly` earliest(_time) AS starttime
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earliest=\"$starttime$\" latest=\"$endtime$\" BY \"Authentication.user\"
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| `drop_dm_object_name(\"Authentication\")`
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| `potential_password_in_username_false_positive_reduction`
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| eval incorrect_password=\"$incorrect_password$\"
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| eval incorrect_cred=\"$incorrect_cred$\"
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| eval ut_shannon=\"$ut_shannon$\"
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| sort count"
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| where user!=incorrect_password
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| where user!=incorrect_cred
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| outlier action=RM count
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| `potential_password_in_username_filter`'
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how_to_implement: To successfully implement this search, you need to have relevant
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@@ -92,4 +92,4 @@ tags:
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- Authentication.dest
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- sourcetype
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risk_score: 21
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security_domain: access
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security_domain: access
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