Potential Foxmail Exploitation
editPotential Foxmail Exploitation
editIdentifies 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.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-windows.*
- endgame-*
- logs-system.security*
- logs-windows.sysmon_operational-*
- logs-sentinel_one_cloud_funnel.*
- logs-m365_defender.event-*
- logs-endpoint.events.process-*
- logs-crowdstrike.fdr*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Initial Access
- Tactic: Execution
- Data Source: Elastic Defend
- Data Source: Sysmon
- Data Source: System
- Data Source: Elastic Endgame
- Data Source: SentinelOne
- Data Source: Microsoft Defender for Endpoint
- Data Source: Crowdstrike
Version: 202
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where host.os.type == "windows" and event.type == "start" and
process.parent.name : "Foxmail.exe" and process.args : ("?:\\Users\\*\\AppData\\*", "\\\\*")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Exploitation for Client Execution
- ID: T1203
- Reference URL: https://attack.mitre.org/techniques/T1203/
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Drive-by Compromise
- ID: T1189
- Reference URL: https://attack.mitre.org/techniques/T1189/