Suspicious Data Staging via Everything and 7-Zip Prior to Exfiltration via process_creation

ATT&CK techniques

Collection → Exfiltration

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
- T1560.001Archive via Utility
C2
Exfiltration
- T1567.002Exfiltration to Cloud Storage
Impact

What it detects

This rule detects the 7-Zip command line tool creating archives with recursive and password-protected options used to compress collected data for exfiltration. NightSpire operators used Everything to locate files and 7-Zip to stage them before uploading via MEGASync, so this archiving pattern indicates collection ahead of exfiltration and encryption.

Reporting behind it

Related detections9 linkedT1567.002 — drag to rearrange

Suspicious Data Staging into Archive via WinRAR

Suspicious Rclone Cloud Exfiltration Execution

Suspicious Collection Staging via Archive Utility Filters

Malicious Data Exfiltration via S5cmd to S3

Malicious Data Exfiltration via Backblaze B2 CLI

Malicious Data Exfiltration via Restic Remote Backup

Malicious Data Exfiltration to MEGA via Rclone

Suspicious Rclone Data Exfiltration with Include Filter

Restic Backup Tool Exfiltration to Cloud Object Storage

Suspicious Data Staging via Everything and 7-Zip Prior to Exfiltration via process_creation

Pivot detection · T1567.002 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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