Elastic Security Detection Rules

Potential Foxmail Exploitation

Last updated 3 months ago on 2025-03-20
Created 10 months ago on 2024-08-29

About

Identifies the Foxmail client spawning a child process with argument pointing to the Foxmail temp directory. This may indicate the successful exploitation of a Foxmail vulnerability for initial access and execution via a malicious email.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Initial AccessTactic: ExecutionData Source: Elastic DefendData Source: SysmonData Source: Windows Security Event LogsData Source: Elastic EndgameData Source: SentinelOneData Source: Microsoft Defender for EndpointData Source: CrowdstrikeLanguage: eql
Severity
high
Risk Score
73
MITRE ATT&CK™

Execution (TA0002)(opens in a new tab or window)

↳ Exploitation for Client Execution (T1203)(opens in a new tab or window)

Initial Access (TA0001)(opens in a new tab or window)

↳ Drive-by Compromise (T1189)(opens in a new tab or window)

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-*
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)

sentinel_one_cloud_funnel(opens in a new tab or window)

m365_defender(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

Query
process where host.os.type == "windows" and event.type == "start" and
 process.parent.name : "Foxmail.exe" and process.args : ("?:\\Users\\*\\AppData\\*", "\\\\*")

Install detection rules in Elastic Security

Detect Potential Foxmail Exploitation 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).