1、定位
卡巴:
pchide.sys:
[特征] 00000986_00000001
pcmain.dll
[特征] 0000BB02_00000001
pcinit.exe
[特征] 00000825_00000001
[特征] 00001369_00000001
瑞星:
pchide.sys:
[特征] 00000D56_00000001
pcmain.dll:
[特征] 0000BB49_00000001
pcinit.exe
[特征] 00000673_00000001
[特征] 00000827_00000001
[特征] 00000D5B_00000001
金山:
pchide.sys:
[特征] 00000D3E_00000001
pcmain.dll:
反向:
[特征] 0000BAB4_00000001
[特征] 0000BABB_00000001
[特征] 0000DE28_00000001
[特征] 0000DE79_00000001
pcinit.exe:
[特征] 00001238_00000001
[特征] 00001265_00000001
江民:
pchide.sys:
[特征] 00000DAF_00000001
pcmain.dll:
[特征] 0000BB0A_00000001
pcinit.exe:
[特征] 000008BC_00000001
[特征] 00000EE4_00000001
[特征] 000012BA_00000001
########################################################################################################################
2、修改特征码:
//***********************************************************************************************************************
卡巴:
pchide.sys:
[特征] 00000986_00000001
00010975: FF15 20030100 CALL [10320]
0001097B: 33C0 XOR EAX,EAX
0001097D: EB 11 JMP SHORT 00010990
0001097F: 50 PUSH EAX
00010980: 33C0 XOR EAX,EAX //nop掉
00010982: 33C0 XOR EAX,EAX
00010984: 0F84 03000000 JE 0001098D
0001098A: 55 PUSH EBP
0001098B: 8211 58 ADC BYTE PTR [ECX],58
//---------------------------------------------------------------------------------------------------------------------
pcmain.dll
[特征] 0000BB02_00000001
1000BAF9: EB 4E JMP SHORT 1000BB49
1000BAFB: 57 PUSH EDI
1000BAFC: 56 PUSH ESI
1000BAFD: 53 PUSH EBX
1000BAFE: E8 FDF8FFFF CALL 1000B400 //2、改1000B400为:1000B3F8
1000BB03: 83FE 01 CMP ESI,1
1000B3F8 //1、将1000B400处代码移到此处
1000B3FE: 90 NOP
1000B3FF: 90 NOP
1000B400: 8B4424 08 MOV EAX,[ESP+8]
1000B404: 81EC 24050000 SUB ESP,524
1000B40A: 83F8 01 CMP EAX,1
1000B40D: 56 PUSH ESI
1000B40E: 57 PUSH EDI
//---------------------------------------------------------------------------------------------------------------------
pcinit.exe
[特征] 00000825_00000001 00401425
0040081D: FFD6 CALL NEAR ESI
0040081F: 6A 06 PUSH 1 //
00400821: 58 POP EAX
00400822: 5F POP EDI
00400823: 5E POP ESI
00400824: 5B POP EBX
00400825: C9 LEAVE
[特征] 00001369_00000001 00401F69
该处的call调用, 进入到call内如下, 把其中上面的四句移到空白区域, 然后修改call调用地址, 免杀!
00401429 /$ 55 push ebp
0040142A (北联网教程,专业提供视频软件下载)
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