AN1298: Analytic 1298
Detects adversary tampering of shared directories via file drops (e.g., malicious LNK, EXE, VBS) followed by user execution or suspicious network activity.
Analyst context for executives and security teams
This analytic matters because shared Windows directories can become a trust and propagation point: if an adversary drops a malicious shortcut, executable, or script into a place users routinely access, normal user behavior may trigger execution. For leaders, the issue is less the file drop itself and more whether the organization can see tampering in shared locations and quickly connect it to follow-on user execution or suspicious network activity.
Executive priority
Prioritize this as a resilience and SOC-readiness question for Windows environments with shared directories. Executives should ask whether high-use shared folders are monitored, whether incident responders can identify which users accessed or executed newly dropped files, and whether evidence is retained long enough to support containment, audit, and business-impact decisions. Because MITRE provides no specific detection logic here, organizations should treat this as a coverage validation item rather than an assumed control.
Technical view
SOC and detection teams should validate monitoring for Windows shared directory changes, especially creation of LNK, EXE, and VBS files, and correlate those events with subsequent user execution and suspicious network activity. The strongest implementation will depend on local file server architecture, endpoint logging, process execution telemetry, and network visibility. With no tactics or relationships supplied, tuning should focus on the described behavior rather than broader ATT&CK assumptions.
Likely telemetry
- Windows file creation and modification events on shared directories
- File server or share access logs showing user and host access to newly dropped files
- Endpoint process execution telemetry for LNK, EXE, VBS, or related interpreter activity
- Network telemetry associated with hosts or users after execution
- File metadata such as path, extension, timestamp, creator, and accessing user where available
Detection direction
- Inventory monitored shared directories and confirm visibility into file drops, not just endpoint execution.
- Prioritize alerts for unusual or newly created LNK, EXE, and VBS files in shared locations, especially where those file types are uncommon.
- Correlate file-drop events with later user execution from the same share and with suspicious outbound or lateral network activity.
- Tune for expected administrative software distribution or legitimate shared-tool repositories to reduce false positives.
- Identify blind spots where file servers, network shares, or endpoint execution events are not centrally logged or retained.
Mitigation priorities
- Restrict write permissions on shared directories to the minimum required users and groups.
- Review whether shared directories allow executable or script content where it is not operationally necessary.
- Apply change monitoring to high-use or business-critical shares.
- Ensure incident response procedures can rapidly identify affected files, users, endpoints, and access history.
- Use the analytic as a compliance-evidence prompt: document which shared locations are monitored, what events are retained, and who reviews alerts.
Analyst notes and limits
The supplied object is a detection analytic for Windows that describes adversary tampering of shared directories via file drops followed by user execution or suspicious network activity. No official detection logic, tactics, aliases, labels, or relationship context were provided, so this take focuses on practical validation of telemetry and controls around the stated behavior.
This assessment is limited to the supplied ATT&CK fields and external reference. It does not establish active exploitation, adversary attribution, guaranteed detectability, or relevance outside Windows. Local environment details are required to determine which shared directories are material and what telemetry is actually available.
Analytic 1298
Detects adversary tampering of shared directories via file drops (e.g., malicious LNK, EXE, VBS) followed by user execution or suspicious network activity.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 5573f2bb1d57… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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[1]
mitre-attack AN1298Open source URL
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