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ELF Malware Analysis 101

ELF Malware Analysis 101

Linux runs most web servers, IoT devices, supercomputers, and public cloud workloads, but detection of Linux threats has lagged well behind Windows. That gap makes ELF malware attractive to attackers and makes ELF analysis a valuable skill for researchers and incident responders.

This series is a practical training track: it profiles the threat landscape, then works through static and dynamic analysis of real samples using tools you can install on a Linux VM.

  • Linux Threats No Longer an Afterthought - The Linux threat landscape, how ELF malware gets onto a system, and why current antivirus coverage of ELF files is unreliable.
  • Initial Analysis - Static analysis in practice: reading symbols, segments, sections, and strings, detecting packers such as UPX and VMprotect, and identifying interpreter-compiled binaries.
  • Advanced Analysis - Dynamic analysis: preparing a safe VM, tracing syscalls with strace, finding persistence methods, sniffing network traffic, and walking through a real sample end to end.

If you are new to the ELF format itself, start with the Executable and Linkable Format (ELF) files series first.