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1.6 KiB
1.6 KiB
API Reference — Performing Log Source Onboarding in SIEM
Libraries Used
- socket: Test syslog connectivity (UDP/TCP) to SIEM collectors
- re: Log format detection via pattern matching
- pathlib: Read log sample files
CLI Interface
python agent.py detect --file sample.log
python agent.py validate --host siem.corp.com [--port 514] [--protocol udp|tcp]
python agent.py parse-config --format syslog_rfc3164 --source-type firewall_logs
python agent.py checklist --source "Palo Alto FW" --format syslog_rfc3164 --siem-host siem.corp.com
Core Functions
detect_log_format(sample_file) — Auto-detect log format
Identifies: syslog RFC 3164/5424, CEF, LEEF, JSON, CSV, Windows Event, Apache combined.
validate_syslog_connectivity(host, port, protocol) — Test SIEM collector
Sends test syslog message via UDP or TCP. Validates port reachability.
generate_parsing_config(log_format, source_type) — Create parsing rules
Generates Splunk (props.conf/transforms.conf) and Elastic (Filebeat/Logstash) configs.
create_onboarding_checklist(...) — 10-step onboarding workflow
Covers: sample collection, format validation, connectivity, parsing, correlation rules, documentation.
Supported Log Formats
| Format | Pattern Indicator |
|---|---|
| syslog_rfc3164 | <PRI>Mon DD HH:MM:SS |
| syslog_rfc5424 | <PRI>VER YYYY-MM-DDT |
| CEF | CEF:0| |
| LEEF | LEEF:1.0| |
| JSON | {...} |
| Apache combined | IP - - [timestamp] "METHOD" |
Dependencies
No external packages — Python standard library only.