--- title: "GitHub Dependabot Alert" excerpt: "Compromise Software Dependencies and Development Tools , Supply Chain Compromise " categories: - Cloud last_modified_at: 2021-09-01 toc: true toc_label: "" tags: - Compromise Software Dependencies and Development Tools - Supply Chain Compromise - Initial Access - Initial Access - Splunk Enterprise - Splunk Enterprise Security - Splunk Cloud --- [Try in Splunk Security Cloud](https://www.splunk.com/en_us/products/cyber-security.html){: .btn .btn--success} #### Description This search looks for Dependabot Alerts in Github logs. - **Type**: [Anomaly](https://github.com/splunk/security_content/wiki/Detection-Analytic-Types) - **Product**: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud - **Last Updated**: 2021-09-01 - **Author**: Patrick Bareiss, Splunk - **ID**: 05032b04-4469-4034-9df7-05f607d75cba #### Annotations
ATT&CK
| ID | Technique | Tactic | | -------------- | ---------------- |-------------------- | | [T1195.001](https://attack.mitre.org/techniques/T1195/001/) | Compromise Software Dependencies and Development Tools | Initial Access | | [T1195](https://attack.mitre.org/techniques/T1195/) | Supply Chain Compromise | Initial Access |
Kill Chain Phase
* Actions on Objectives
NIST
* PR.DS * PR.AC * DE.CM
CIS20
* CIS 13
CVE
#### Search ``` `github` alert.id=* action=create | rename repository.full_name as repository, repository.html_url as repository_url sender.login as user | stats min(_time) as firstTime max(_time) as lastTime by action alert.affected_package_name alert.affected_range alert.created_at alert.external_identifier alert.external_reference alert.fixed_in alert.severity repository repository_url user | eval phase="code" | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `github_dependabot_alert_filter` ``` #### Macros The SPL above uses the following Macros: * [security_content_ctime](https://github.com/splunk/security_content/blob/develop/macros/security_content_ctime.yml) * [github](https://github.com/splunk/security_content/blob/develop/macros/github.yml) > :information_source: > **github_dependabot_alert_filter** is a empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL. #### Required field * _time * alert.id * repository.full_name * repository.html_url * action * alert.affected_package_name * alert.affected_range * alert.created_at * alert.external_identifier * alert.external_reference * alert.fixed_in * alert.severity #### How To Implement You must index GitHub logs. You can follow the url in reference to onboard GitHub logs. #### Known False Positives unknown #### Associated Analytic story * [Dev Sec Ops](/stories/dev_sec_ops) #### RBA | Risk Score | Impact | Confidence | Message | | ----------- | ----------- |--------------|--------------| | 27.0 | 30 | 90 | Vulnerabilities found in packages used by GitHub repository $repository$ | > :information_source: > The Risk Score is calculated by the following formula: Risk Score = (Impact * Confidence/100). Initial Confidence and Impact is set by the analytic author. #### Reference * [https://www.splunk.com/en_us/blog/tips-and-tricks/getting-github-data-with-webhooks.html](https://www.splunk.com/en_us/blog/tips-and-tricks/getting-github-data-with-webhooks.html) #### Test Dataset Replay any dataset to Splunk Enterprise by using our [replay.py](https://github.com/splunk/attack_data#using-replaypy) tool or the [UI](https://github.com/splunk/attack_data#using-ui). Alternatively you can replay a dataset into a [Splunk Attack Range](https://github.com/splunk/attack_range#replay-dumps-into-attack-range-splunk-server) * [https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1195.001/github_security_advisor_alert/github_security_advisor_alert.json](https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1195.001/github_security_advisor_alert/github_security_advisor_alert.json) [*source*](https://github.com/splunk/security_content/tree/develop/detections/cloud/github_dependabot_alert.yml) \| *version*: **1**