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Nytro

Linux Backdoor Deep Dive (Part 4)

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In this [RE]laxing new series, I fully reverse a Linux Backdoor (BPFDoor) from start to finish. In Part 4, we discover qmgr commands and techniques to remove logs. We also fix the strings of the command execution environment variables. These extensive "Deep Dive" segments concentrate on dissecting malware specimens and delving into the individual approaches employed to fully reverse them. Throughout the journey, I attempt to provide explanations of my techniques as much as possible, however, if any ambiguities arise, please feel free to post a comment below.

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