| --- |
| license: cc-by-4.0 |
| pretty_name: Security Log Samples (malicious and benign, 50+ formats) |
| language: |
| - en |
| tags: |
| - cybersecurity |
| - security |
| - logs |
| - log-analysis |
| - threat-detection |
| - detection-engineering |
| - sigma |
| - siem |
| task_categories: |
| - text-classification |
| size_categories: |
| - n<1K |
| configs: |
| - config_name: manifest |
| data_files: manifest.csv |
| --- |
| |
| # Security log samples |
|
|
| Paired **malicious** and **benign** sample logs for more than 50 security log formats, for testing log |
| parsers, detection rules and analytics, plus the monthly data behind two LogTriage research reports. |
| Published by [LogTriage](https://logtriage.app); the same files are on |
| [GitHub](https://github.com/logtriage-cyber/security-log-samples). Licensed CC BY 4.0. |
|
|
| Each attack sample has a benign counterpart from the same source, so a rule can be checked both ways: it |
| must fire on the first and stay silent on the second. Public IP addresses are replaced with documentation |
| ranges (RFC 5737). `manifest.csv` (shown in the viewer above) lists every file with its format, label |
| (`malicious` / `benign`), size, line count, SHA-256 and the |
| [LogTriage Sigma rules](https://github.com/logtriage-cyber/logtriage-detection-rules) validated against it. |
|
|
| ## Monthly research data |
|
|
| | Path | What it is | Report | |
| |---|---|---| |
| | `reports/server-attacks/<YYYY-MM>.json` | What attacked an ordinary internet-facing server that month: SSH and web attack volumes, the most requested probe paths, scanner user agents, attacking networks and countries. Aggregates only, never an IP address. | [What attacks an internet-facing server](https://logtriage.app/reports/server-attacks/) | |
| | `reports/ip-blocklists/<YYYY-MM>.json` | How much of that month's real attack traffic each of 17 free IP blocklists would have caught, alone and in combination. Aggregates only. | [Which free IP blocklists work](https://logtriage.app/reports/ip-blocklists/) | |
|
|
| Field-by-field guides to the formats are in the [log format reference](https://logtriage.app/reference/log-formats/); |
| the [free log analyzer](https://logtriage.app/tools/log-analyzer/) reads every format here in the browser. |
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|
