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Open Threat Intel Archive

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S0086malware

ZLib

ZLib is a full-featured backdoor that was used as a second-stage implant during Operation Dust Storm since at least 2014. ZLib is malware and should not be confused with the legitimate compression library from which its name is derived.

Platforms: Windows

MITRE ATT&CK ↗

Linked entities · 11

usesT1105Ingress Tool Transfer usesT1082System Information Discovery usesT1560.002Archive via Library usesT1543.003Windows Service usesT1083File and Directory Discovery usesT1113Screen Capture usesT1059.003Windows Command Shell usesT1007System Service Discovery usesT1041Exfiltration Over C2 Channel usesT1071.001Web Protocols usesT1036.005Match Legitimate Resource Name or…