| Description | 64-bit Register | 8-bit Register |
|---|---|---|
| Syscall Number/Return value | rax | al |
| Callee Saved | rbx | bl |
| 1st arg | rdi | dil |
| 2nd arg | rsi | sil |
| 3rd arg | rdx | dl |
| 4th arg | rcx | cl |
| 5th arg | r8 | r8b |
| 6th arg | r9 | r9b |
BLUE TEAM / MALWARE REVERSE / ANALYSIS / STATIC / DISASSEMBLY / ASM