DLL下载地址(无法上传附件,这好放在网络硬盘里)
http://exedll.ys168.com/
这个好奇怪的DLL壳
用OD打开后,会自动中断在003D0042,无法调试的异常.(用PEID查看壳入口应该是 0006EF8E ),按F8,程序就终止了.根本无法进于壳入口
在3D000下硬件访问也无法断下..
003D0000 E8 24000000 call 003D0029
003D0005 8B4424 04 mov eax,dword ptr ss:[esp+4]
003D0009 8B00 mov eax,dword ptr ds:[eax]
003D000B 3D 04000080 cmp eax,80000004
003D0010 75 08 jnz short 003D001A
003D0012 8B6424 08 mov esp,dword ptr ss:[esp+8]
003D0016 EB 04 jmp short 003D001C
003D0018 58 pop eax
003D0019 EB 0C jmp short 003D0027
003D001B - E9 648F0500 jmp 00428F84
003D0020 0000 add byte ptr ds:[eax],al
003D0022 0074F3 75 add byte ptr ds:[ebx+esi*8+75],dh
003D0026 F1 int1
003D0027 EB 24 jmp short 003D004D
003D0029 64:FF35 00000000 push dword ptr fs:[0]
003D0030 EB 12 jmp short 003D0044
003D0032 FF9C74 037501E9 call far fword ptr ss:[esp+esi*2+E9017503]
003D0039 810C24 00010000 or dword ptr ss:[esp],100
003D0040 9D popfd
003D0041 90 nop
003D0042 ^ EB F4 jmp short 003D0038
只好在LOADLL.EXE
004100AF |. E8 FC090000 call <jmp.&KERNEL32.LoadLibraryA> ; \LoadLibraryA
调用DLL处下断点,然后在3D000下硬件访问,才能断下,可是
跟到3D0042 处,还是无法跳过003D0042,无法调试的异常,请高手指点
[注意]看雪招聘,专注安全领域的专业人才平台!