S0086 ZLib

malwareEnterprise

platformsWindows

also known asZLib

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.

techniques used (11)

ATT&CK techniques this enables or maps to.

T1007System Service Discovery
T1036.005Match Legitimate Resource Name or Location
T1041Exfiltration Over C2 Channel
T1059.003Windows Command Shell
T1071.001Web Protocols
T1082System Information Discovery
T1083File and Directory Discovery
T1105Ingress Tool Transfer
T1113Screen Capture
T1543.003Windows Service
T1560.002Archive via Library

used by campaigns (1)

Campaigns that use this.

C0016Operation Dust Storm

source

Where this definition is published.

view on ATT&CK

scry

Software like this carries known vulnerabilities once it is exposed to the internet. See what is exposed on your perimeter with a free passive scan.

Free scan