Suspicious HijackLoader PNG Payload Retrieval via ClearFake

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1105Ingress Tool Transfer
Exfiltration
Impact

What it detects

This rule detects retrieval of a HijackLoader stage disguised as a PNG image from the ClearFake osmesis distribution path. The loader downloads its encoded payload from a URI under /osmesis/ ending in .png, blending malware delivery into image traffic.

Reporting behind it

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Suspicious HijackLoader PNG Payload Retrieval via ClearFake

Pivot detection · T1105 · 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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