Suspicious PowerShell Remote TXT Payload Download Spawned by Shortcut via LNK (via process_creation)

ATT&CK techniques

Execution

Recon
Resource Dev
Initial Access
Execution
- T1059.001PowerShell
- T1204.002Malicious File
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a PowerShell process launched from Explorer that downloads a remote text file used as a next-stage script. TA547 delivered LNK shortcuts that invoked PowerShell to retrieve and execute a hosted PowerShell payload from a .txt URL.

Reporting behind it

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Suspicious PowerShell Remote TXT Payload Download Spawned by Shortcut via LNK (via process_creation)

Pivot detection · T1059.001 · 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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