IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
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/