Elastic Security Detection Rules

Credential Access via TruffleHog Execution

Last updated 9 days ago on 2025-11-26
Created 3 months ago on 2025-09-18

About

This rule detects the execution of TruffleHog, a tool used to search for high-entropy strings and secrets in code repositories, which may indicate an attempt to access credentials. This tool was abused by the Shai-Hulud worm to search for credentials in code repositories.
Tags
Domain: EndpointOS: LinuxOS: WindowsOS: macOSUse Case: Threat DetectionTactic: Credential AccessData Source: Elastic EndgameData Source: Elastic DefendData Source: Windows Security Event LogsData Source: Microsoft Defender for EndpointData Source: SysmonData Source: SentinelOneData Source: CrowdstrikeData Source: Auditd ManagerLanguage: eql
Severity
medium
Risk Score
47
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ OS Credential Dumping (T1003)(opens in a new tab or window)

↳ Credentials from Password Stores (T1555)(opens in a new tab or window)

False Positive Examples
Trufflehog is a legitimate open-source tool used by security professionals and developers to search for sensitive information, such as passwords, API keys, and other secrets, within code repositories. It is commonly employed during security assessments and code reviews to identify potential vulnerabilities.
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
endgame-*logs-crowdstrike.fdr*logs-endpoint.events.process-*logs-m365_defender.event-*logs-sentinel_one_cloud_funnel.*logs-system.security*logs-windows.forwarded*logs-windows.sysmon_operational-*winlogbeat-*auditbeat-*logs-auditd_manager.auditd-*
Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

system(opens in a new tab or window)

m365_defender(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

auditd_manager(opens in a new tab or window)

Query
process where event.type == "start" and process.name : ("trufflehog.exe", "trufflehog") and
process.args == "--json" and process.args == "filesystem"

Install detection rules in Elastic Security

Detect Credential Access via TruffleHog Execution in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).