Forbidden to guide
Cureboot.asm
Compiling into a COM file or
CUREBOOT.ASM Surphostation, Monitor INT 13H Interrupt When the program is written on the boot area, it is reversed and reaches the effect of protection! Compiling method! ! !
TC under TC; TLINK / T CUREBOOT;
How to use: Operate directly, protect the disk, if you want to release protection, CureBoot / E code:
Code Segment Org 100h Assume Cs: Code, DS: CodeStart: JMP Iniz
OLD13HND LABEL DWORD OLD13OFF DW OLD13SEG DW NEW13H PROC NEAR CMP AH, 03H JNZ EXIT CMP CX, 0001H JNZ EXIT CMP DH, 00H JNZ EXIT IRET EXIT: JMP DWORD PTR CS: OLD13HND NEW13H ENDP INIZ: MOV AX, 3513H INT 21H;?? Reading INT 13H Interrupt Vector CMP Byte PTR CS: [80H], 0 JE INST; Command Line No parameters Jump Con1: and byte PTR CS: [82H], 5FH CMP BYTE PTR CS: [82H], 'E 'jne inst CMP BX, OFFSET NEW13H JZ MMMM MOV AH, 09 MOV DX, OFFSET DDDDD INT 21H INT 20H MMMM: MOV AH, 09 MOV DX, OFFSET LINEPRO1 INT 21H CMP BX, OFFSET NEW13H JNE INIZ_EXIT LDS DX, ES: OLD13HND MOV AX, 2513H INT 21h MOV AX, 2513H INT 21h MOV AH, 49H INT 21H JMP INIZ_EXITINST: CMP BX, OFFSET NEW13H INE SETV MOV AH, 09 MOV DX, OFFSET ERR1 INT 21H INIZ_EXIT: PUSH CSPOP DSMOVAX, 4C00HINT 21H SETV: PUSH CS POP DS MOV OLD13OFF, BX MOV OLD13SEG, ES MOV DX, Offset New13h MOV AX, 2513H INT 21h MOV AH, 09H MOV DX, OFFSET Para Int 21h MOV AH, 31H MOV DX, (Offset Iniz
