Suspicious Clipboard Data Access via Get-Clipboard (BeaverTail OtterCookie)

ATT&CK techniques

Cred Access → Collection

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
- T1115Clipboard Data
C2
Exfiltration
Impact

What it detects

This rule detects use of the Get-Clipboard PowerShell cmdlet to read clipboard contents, a collection technique used by BeaverTail and OtterCookie to steal credentials and cryptocurrency wallet data. Automated clipboard reads outside interactive use are a common infostealer behavior. This activity supports credential theft and data collection.

Reporting behind it

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Suspicious Clipboard Data Access via Get-Clipboard (BeaverTail OtterCookie)

Pivot detection · T1555.003 · 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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