✄𐘗
text code block:
✄𐘗FROM logs-aws_bedrock.invocation-*, logs-openai_chatgpt_enterprise.codex_log-*, logs-openai_chatgpt_enterprise.conversation_message-*, logs-openai_chatgpt_enterprise.custom_agents_log-* METADATA _id, _version, _index
| EVAL Esql_priv.b64_strings = CONCAT(
    COALESCE(MV_CONCAT(security_ai.encoding.input_messages.strings, "\n"), ""), "\n",
    COALESCE(MV_CONCAT(security_ai.encoding.output_messages.strings, "\n"), ""))
| WHERE Esql_priv.b64_strings != "\n"
// Suppress credential-shaped content — those fire the dedicated credential rule instead.
// Credential formats are split across two RLIKEs because a single pattern with every format exceeds
// ES|QL's regex determinization limit. A key must not be glued to a preceding key character (or be
// preceded by a JSON-escaped \n, \r or \t); that also keeps the automaton small.
// Not lowercased: credential prefixes (AKIA, sk-, ghp_, etc.) are case-significant.
| WHERE NOT Esql_priv.b64_strings RLIKE """(.*([^A-Za-z0-9_\-]|\\[nrt]))?((AKIA|ASIA|ABIA|ACCA)[A-Z0-9]{16}|ABSK[A-Za-z0-9+/=]{20}|AIza[0-9A-Za-z_\-]{35}|gh[pousr]_[A-Za-z0-9]{36}|github_pat_[A-Za-z0-9_]{22,}|glpat-[A-Za-z0-9_\-]{20,}|sk-ant-api03-[A-Za-z0-9_\-]{80,}|sk-proj-[A-Za-z0-9_\-]{20,}).*"""
| WHERE NOT Esql_priv.b64_strings RLIKE """(.*([^A-Za-z0-9_\-]|\\[nrt]))?(sk-[A-Za-z0-9]{48}|sk_live_[A-Za-z0-9]{24}|hf_[A-Za-z0-9]{34}|xox[baprs]-[A-Za-z0-9\-]{10,}|eyJ[A-Za-z0-9_\-]{10,}\.eyJ[A-Za-z0-9_\-]{10,}\..*|-----BEGIN [A-Z ]*PRIVATE KEY-----).*"""
| KEEP _id, _version, _index, @timestamp, security_ai.*, gen_ai.*, aws_bedrock.*, user.*, cloud.*, event.*, openai_chatgpt_enterprise.*