Malicious RemusStealer Credential Exfiltration to pics TLD C2

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1539Steal Web Session Cookie
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects HTTP POST requests to hosts under the .pics top-level domain whose body carries access_token and step parameters, the exfiltration pattern of RemusStealer distributed by this ecosystem. This structured upload to an uncommon TLD signals active credential and session-token theft.

Reporting behind it

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Malicious RemusStealer Credential Exfiltration to pics TLD C2

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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