✄𐘗
text code block:
✄𐘗FROM logs-kubernetes.audit_logs-* metadata _id, _index, _version
| WHERE kubernetes.audit.objectRef.subresource == "exec"
  AND kubernetes.audit.requestURI LIKE "*command=*"
| EVAL decoded_uri = URL_DECODE(kubernetes.audit.requestURI)
| GROK decoded_uri "%{DATA}/exec\\?%{DATA:raw_commands}&(?:container|stdin|stdout|stderr)=%{GREEDYDATA}"
| EVAL command = REPLACE(raw_commands, "command=", "")
| EVAL command = REPLACE(command, "&", " ")
| EVAL Esql.executed_command = REPLACE(command, "\\+", " ")
| WHERE Esql.executed_command IS NOT NULL 
  AND Esql.executed_command RLIKE """.*(169\.254\.169\.254|2852039166|0xa9fea9fe|/latest/api/token|/latest/meta-data|/latest/user-data|/latest/dynamic/instance-identity|computeMetadata/v1|metadata\.google\.internal|metadata/identity/oauth2/token|metadata/instance).*"""
| EVAL Esql.cloud_target = CASE(
    Esql.executed_command RLIKE """.*(169\.254\.169\.254|2852039166|0xa9fea9fe|/latest/meta-data|/latest/api/token|/latest/user-data|/latest/dynamic).*""", "AWS_IMDS",
    Esql.executed_command RLIKE """.*(computeMetadata/v1|metadata\.google\.internal).*""", "GCP_METADATA",
    Esql.executed_command RLIKE """.*metadata/identity/oauth2/token.*""", "AZURE_IMDS",
    "UNKNOWN"
  )
| EVAL Esql.is_credential_theft = CASE(
    Esql.executed_command RLIKE """.*(security-credentials|/api/token|oauth2/token|service-accounts/.*/token).*""", "yes",
    "recon"
  )
| KEEP *