diff --git a/queries/cisco_duo_atypical_travel_impossible_travel.yml b/queries/cisco_duo_atypical_travel_impossible_travel.yml new file mode 100644 index 0000000..592078c --- /dev/null +++ b/queries/cisco_duo_atypical_travel_impossible_travel.yml @@ -0,0 +1,44 @@ +# --- Query Metadata --- +# Human-readable name for the query. Will be displayed as the title. +name: Cisco Duo - Atypical Travel (Impossible Travel) + +# MITRE ATT&CK technique IDs +mitre_ids: + - T1078 + +# Description of what the query does and its purpose. +description: | + Cisco Duo Impossible Travel detects simultaneous logins from geographically distant locations, indicating potential credential compromise or unauthorized account usage leveraging valid credentials. + +# The author or team that created the query. +author: Kundan Kumar + +# The required log sources to run this query successfully in Next-Gen SIEM. +log_sources: + - Other + +# Tags for filtering and categorization. +tags: + - Detection + +# --- Query Content --- +# The actual CrowdStrike Query Language (CQL) code. +# Using the YAML block scalar `|` allows for multi-line strings. +cql: | + #Vendor = cisco + | #event.module = "duo" + | event.action = "authentication" + | groupBy([user.name],function=[count(field=source.geo.country_name, distinct=true, as=country_count),collect(fields=source.geo.country_name),min(@timestamp, as=start_time),max(@timestamp, as=end_time)]) + | country_count > 1 + | time_diff_hr := (end_time - start_time) / 3600000 + | time_diff_hr <= 1 + | start_time_fmt := formatTime("%Y-%m-%d %H:%M:%S", field=start_time, timezone=UTC) + | end_time_fmt := formatTime("%Y-%m-%d %H:%M:%S", field=end_time, timezone=UTC) + | drop([start_time, end_time]) + | sort([user.name]) + +# Explanation of the query. +# Using the YAML block scalar `|` allows for multi-line strings. +# Uses markdown for formatting on the webpage. +explanation: | + Cisco Duo Impossible Travel detects simultaneous logins from geographically distant locations, indicating potential credential compromise or unauthorized account usage leveraging valid credentials.