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ID:20577408
大小:34.50 KB
页数:7页
时间:2018-10-13
《新引导程序清单》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、新的引导程序清单新的引导程序清单南京燕士海1993-11-05新的引导程序清单1299:0100FACLI1299:01012BC0SUBAX,AX1299:01038ED0MOVSS,AX1299:01058EC0MOVES,AX1299:01078ED8MOVDS,AX1299:0109B8007CMOVAX,7C001299:010C8BE0MOVSP,AX1299:010EFBSTI1299:010F8BF0MOVSI,AX;代码下移200H1299:0111BF007EMOVDI,7E001299:0
2、114FCCLD1299:0115B90001MOVCX,01001299:0118F3REPZ1299:0119A5MOVSW1299:011AE90002JMP031D1299:011DB80102MOVAX,0201;读取原主引导记录1299:0120B90300MOVCX,00031299:0123BA8000MOVDX,00801299:0126BB007CMOVBX,7C001299:0129CD13INT131299:012B90NOP1299:012C90NOP1299:012D90NOP129
3、9:012EBF0200MOVDI,0002;二次机会输入PASSWORD1299:0131BE0C7FMOVSI,7F0C1299:0134B90C00MOVCX,000C1299:0137ACLODSB1299:0138BB0700MOVBX,00071299:013BB40EMOVAH,0E1299:013DCD10INT101299:013FE2F5LOOP0137;显示PASSWORD1299:0141BE187FMOVSI,7F181299:0144BD0300MOVBP,00031299:01
4、47B400MOVAH,001299:0149CD16INT161299:014B3804CMP[SI],AL;判断PASSWORD正确否1299:014D7506JNZ01551299:014F46INCSI1299:01504DDECBP1299:015175F4JNZ01471299:0153EB0EJMP01631299:0155BB0700MOVBX,00071299:0158B40EMOVAH,0E1299:015ABO58MOVAL,581299:015CCD10INT101299:015E4FD
5、ECDI1299:015F75D0JNZ01311299:0161EBFEJMP0161;PASSWORD错,死机1299:0163BE4C00MOVSI,004C;填充INT13跳转入口1299:0166BFC77EMOVDI,7EC71299:0169ADLODSW1299:016AABSTOSW1299:016BADLODSW1299:016CABSTOSW1299:016DBE2000MOVSI,0020;填充INT8跳转入口1299:0170BFFD7EMOVDI,7EFD1299:0173ADLOD
6、SW1299:0174ABSTOSW1299:1075ADLODSW1299:0176ABSTOSW1299:0177BF0000MOVDI,0000;INT13和INT8增添部分推向内存高端1299:017ABEB17EMOVSI,7EB11299:017DB95200MOVCX,00521299:01808A04MOVAL,[SI]1299:01821EPUSHDS1299:018350PUSHAX1299:0184B80090MOVAX,90001299:01878ED8MOVDS,AX1299:0189
7、58POPAX1299:018A8805MOV[DI],AL1299:018C1FPOPDS1299:018D47INCDI1299018E46INCSI1299:018FE2EFLOOP01801299:0191BB4C00MOVBX,004C;修改INT13向量1299:0194D80000MOVAX,00001299:01978907MOV[BX],AX1299:0199B80090MOVAX,90001299:019C894702MOV[BX+02],AX1299:019FB81A000MOVAX,00
8、1A1299:01A2BB2000MOVBX,0020;修改INT8向量1299:01A58907MOV[BX],AX1299:01A7B80090MOVAX,90001299:01AA894702MOV[BX+02],AX1299:01ADEB52JMP02011299:01AF90NOP1299:01B090NOP1299:01B19CPUSHF;INT13补充内容1299:01B
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