WCU / Cybersecurity
~/CSC 471/Class 05/KP 19
Class 05 · KP 19 / 26

YARA Rule Anatomy

reference. Ignored by matching —- pure documentation.

  • Text: $a = "malware.evil.com" (modifiers: nocase, wide, ascii, fullword)
  • Hex: { = { 6A 40 68 00 30 00 00 }} (wildcards ??, jumps [4-6])
  • Regex: $c = /https?:\textbackslash/\textbackslash/[a-z0-9.]+/

where, plus filesize, uint16(0), pe.*, etc.