ZYDISINFO(1) General Commands Manual ZYDISINFO(1)

ZydisInfo - detailed instruction information

ZydisInfo machine_mode [stack_width] hexbytes

ZydisInfo allows you to decode X86 & X86-64 assembly displaying lots of information about it.

ZydisInfo supports four different machine modes

real machine mode
-16
16 bits machine mode
-32
32 bits machine mode
-64
64 bits machine mode

You can also specify the stack width one of the following options

-16
16 bits
-32
32 bits
-64
64 bits

$ ZydisInfo -64 66 3E 65 2E F0 F2 F3 48 01 A4 98 2C 01 00 00
== [    BASIC ] ==================================================
   MNEMONIC: add [ENC: DEFAULT, MAP: DEFAULT, OPC: 0x01]
     LENGTH: 15
        SSZ: 64
       EOSZ: 64
       EASZ: 64
   CATEGORY: BINARY
    ISA-SET: I86
    ISA-EXT: BASE
 EXCEPTIONS: NONE
 ATTRIBUTES: HAS_MODRM HAS_SIB HAS_REX CPUFLAG_ACCESS ACCEPTS_LOCK
[...more info...]

ZydisDisasm(1)

February 2023