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main.c
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#include <stdlib.h>
#include <malloc.h>
#include <stdio.h>
#include <stdint.h>
#include <memory.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/mman.h>
#include <pcap.h>
#include "sha256.h"
#include "hmacsha256.h"
#include "aes.h"
#include "cbc_aes.h"
#include "kd.h"
#include "util.h"
#include "mmu.h"
#include "test_pkt.h"
#define DEBUG 1
#define SWAP32(x) x = (uint32_t)((x >> 24 & 0xff) | (x >> 8 & 0xff00) | (x << 8 & 0xff0000) | (x << 24 & 0xff000000))
#define MAX_KDNET_PKTLEN 4096
//TODO: key "1.1.1.1" is the only supported key...
BYTE controlKey[32] = {
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
BYTE hmacKey[32];
//Expanded key fo control canal
WORD controlW[14*32];
//Expanded key fo data canal
WORD dataW[14*32];
//Socket to Windbg
int socket_fd;
struct sockaddr_in sa;
uint32_t pkt_number = 0;
//Fake debuggee
uint8_t* raw_mem;
off_t raw_mem_size;
uint64_t cr3 = 0x00000000001a7000;
int readVirtualMemory(uint64_t virtualAddr, uint32_t count, uint8_t* data){
uint64_t tmp = virtual_physical(virtualAddr, cr3, raw_mem, raw_mem_size);
if(tmp > 0){
int i;
for(i=0; i<count; i++){
data[i] = raw_mem[tmp+i];
}
return 0;
}
return -1;
}
uint32_t checksumKD_PACKET(KD_PACKET_HEADER* pkt, uint16_t pkt_size){
uint8_t* tmp = (uint8_t*)pkt;
uint32_t checksum = 0;
uint16_t i;
for(i=16; i<pkt_size; i++){ //TODO: do it better, sizeof(KD_PACKET_HEADER)+sizeof(KDNET_PACKET_HEADER)-sizeof(Ciph...) = 16
checksum = checksum + tmp[i];
}
return checksum;
}
void printKD_PACKET(KD_PACKET_HEADER* pkt){
printf("Leader: %08x\n", pkt->Signature);
printf("PacketType: %04x\n", pkt->PacketType);
printf("DataSize: %d\n", pkt->DataSize);
printf("PacketID: %08x\n", pkt->PacketID);
printf("Checksum: %08x\n", pkt->Checksum);
if(pkt->Signature == 0x00000000){
printf("POKE\n");
return;
}
if(pkt->Signature == 0x00000062){
printf("BREAKIN\n");
return;
}
if(pkt->Signature == 0x69696969){
if(pkt->PacketType == 0x0005){
//TODO: !!
printf("TODO\n");
return;
} else if(pkt->PacketType == 0x0006){
printf("RESET\n");
return;
}else if(pkt->PacketType == 0x0004){
printf("ACK\n");
return;
}
}
printf("ApiNumber: %08x\n", pkt->ApiNumber);
printHexData(pkt->PacketBody, pkt->DataSize);
switch(pkt->ApiNumber){
case DbgKdExceptionStateChange:
{
DBGKD_WAIT_STATE_CHANGE64* tmp = (DBGKD_WAIT_STATE_CHANGE64*)&pkt->PacketBody[4];
printf("NewState %08x\n", tmp->NewState);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("NumberProcessors %08x\n", tmp->NumberProcessors);
printf("Thread %16lx\n", tmp->Thread);
printf("ProgramCounter %16lx\n", tmp->ProgramCounter);
//TODO: printExceptionRecord
printf("FirstChance %08x\n", tmp->u.Exception.FirstChance);
printf("ExceptionCode %08x\n", tmp->u.Exception.ExceptionRecord.ExceptionCode);
printf("ExceptionFlags %08x\n", tmp->u.Exception.ExceptionRecord.ExceptionFlags);
printf("ExceptionRecord %016lx\n", tmp->u.Exception.ExceptionRecord.ExceptionRecord);
printf("ExceptionAddress %016lx\n", tmp->u.Exception.ExceptionRecord.ExceptionAddress);
printf("NumberParameters %08x\n", tmp->u.Exception.ExceptionRecord.NumberParameters);
int i;
for(i=0; i<15; i++){
printf("ExceptionInformation[%d] %016lx\n", i, tmp->u.Exception.ExceptionRecord.ExceptionInformation[i]);
}
printf("DR6 %016lx\n", tmp->ControlReport.Dr6);
printf("DR7 %016lx\n", tmp->ControlReport.Dr7);
printf("EFlags %08x\n", tmp->ControlReport.EFlags);
printf("InstructionCount %04x\n", tmp->ControlReport.InstructionCount);
printf("ReportFlags %04x\n", tmp->ControlReport.ReportFlags);
for(i=0; i<DBGKD_MAXSTREAM; i++){
printf("InstructionStream[%d] %02x\n", i, tmp->ControlReport.InstructionStream[i]);
}
printf("SegCs %04x\n", tmp->ControlReport.SegCs);
printf("SegDs %04x\n", tmp->ControlReport.SegDs);
printf("SegEs %04x\n", tmp->ControlReport.SegEs);
printf("SegFs %04x\n", tmp->ControlReport.SegFs);
break;
}
case DbgKdReadControlSpaceApi:
//http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/ntoskrnl/kd64/kdapi.c?view=diff&r1=39004&r2=39005&pathrev=39005
case DbgKdReadVirtualMemoryApi:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
//printf("Unknown %08x\n", tmp->Unknown);
printf("TargetBaseAddress %016lx\n", tmp->u.ReadMemory.TargetBaseAddress);
printf("TransferCount %08x\n", tmp->u.ReadMemory.TransferCount);
printf("ActualBytesRead %08x\n", tmp->u.ReadMemory.ActualBytesRead);
printf("Unknown1 %08x\n", tmp->u.ReadMemory.Unknown1);
printf("Unknown2 %08x\n", tmp->u.ReadMemory.Unknown2);
printf("Unknown3 %08x\n", tmp->u.ReadMemory.Unknown3);
printf("Unknown4 %08x\n", tmp->u.ReadMemory.Unknown4);
printf("Unknown5 %08x\n", tmp->u.ReadMemory.Unknown5);
printf("Unknown6 %08x\n", tmp->u.ReadMemory.Unknown6);
//printf("Data[]:\n");
//printHexData(tmp->u.ReadMemory.Data,
break;
}
case DbgKdGetRegister:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
if(pkt->DataSize < 1288){
return;
}
printf("RAX %016lx\n", tmp->u.GetRegisters.rax);
printf("RBX %016lx\n", tmp->u.GetRegisters.rbx);
printf("RCX %016lx\n", tmp->u.GetRegisters.rcx);
printf("RDX %016lx\n", tmp->u.GetRegisters.rdx);
printf("RSP %016lx\n", tmp->u.GetRegisters.rsp);
printf("RBP %016lx\n", tmp->u.GetRegisters.rbp);
printf("R8 %016lx\n", tmp->u.GetRegisters.r8);
printf("R9 %016lx\n", tmp->u.GetRegisters.r9);
printf("R10 %016lx\n", tmp->u.GetRegisters.r10);
printf("R11 %016lx\n", tmp->u.GetRegisters.r11);
printf("R12 %016lx\n", tmp->u.GetRegisters.r12);
printf("R13 %016lx\n", tmp->u.GetRegisters.r13);
printf("R14 %016lx\n", tmp->u.GetRegisters.r14);
printf("R15 %016lx\n", tmp->u.GetRegisters.r15);
int i;
for(i=0; i<122; i++){
printf("UnknownRegisters[%d] %016lx\n", i, tmp->u.GetRegisters.UnknownRegisters[i]);
}
break;
}
case DbgKdGetVersionApi:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("Unknown1 0x%016lx\n", tmp->u.GetVersion.Unknown1);
printf("Unknown2 0x%016lx\n", tmp->u.GetVersion.Unknown2);
printf("KernelImageBase 0x%016lx\n", tmp->u.GetVersion.KernelImageBase);
printf("PsLoadedModuleList 0x%016lx\n", tmp->u.GetVersion.PsLoadedModuleList);
printf("DebuggerDataList 0x%016lx\n", tmp->u.GetVersion.DebuggerDataList);
break;
}
case DbgKdRestoreBreakPointApi:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
//printf("Unknown %08x\n", tmp->Unknown);
printf("BreakPointHandle %08x\n", tmp->u.RestoreBreakPoint.BreakPointHandle);
break;
}
case DbgKdClearAllInternalBreakpointsApi:
{
printf("DbgKdClearAllInternalBreakpointsApi\n");
break;
}
case DbgKdSetContextApi:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
printf("ContextFlags %08x\n", tmp->u.SetContext.ContextFlags);
break;
}
case DbgKdContinueApi2:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
printf("ContinueStatus %08x\n", tmp->u.Continue2.ContinueStatus);
printf("TraceFlag %08x\n", tmp->u.Continue2.ControlSet.TraceFlag);
printf("Dr7 0x%016lx\n", tmp->u.Continue2.ControlSet.Dr7);
printf("CurrentSymbolStart 0x%016lx\n", tmp->u.Continue2.ControlSet.CurrentSymbolStart);
printf("CurrentSymbolEnd 0x%016lx\n", tmp->u.Continue2.ControlSet.CurrentSymbolEnd);
break;
}
case DbgKdQueryMemoryApi:
{
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
printf("ApiNumber %08x\n", tmp->ApiNumber);
printf("ProcessorLevel %04x\n", tmp->ProcessorLevel);
printf("Processor %04x\n", tmp->Processor);
printf("ReturnStatus %08x\n", tmp->ReturnStatus);
printf("Address 0x%016lx\n", tmp->u.QueryMemory.Address);
printf("Reserved 0x%016lx\n", tmp->u.QueryMemory.Reserved);
printf("AddressSpace %08x\n", tmp->u.QueryMemory.AddressSpace);
printf("Flags %08x\n", tmp->u.QueryMemory.Flags);
}
default:
{
printf("Unknown packet\n");
//exit(0);
break;
}
}
}
void printKDNET_PACKET(KDNET_PACKET_HEADER* pkt){
printf("Signature: %04x\n", pkt->Signature);
printf("ProtocolVersion: %02x\n", pkt->ProtocolVersion);
printf("Canal: %02x\n", pkt->Canal);
}
//TODO: NO COPY !
void sendDataPkt(uint8_t *data, int dataLen){
#if DEBUG
printf("[!] sendDataPkt %d\n", pkt_number);
#endif
//Replace pkt number...
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)data;
tmp->PacketNumber = __builtin_bswap32(pkt_number++);
int i;
//Add header
KDNET_PACKET_HEADER finalPkt; //TODO: no static !
finalPkt.Signature = 0x4742444d;//TODO: define !
finalPkt.ProtocolVersion = 0x02;
finalPkt.Canal = 0x0; //TODO: define !
for(i=0; i<dataLen; i++){
finalPkt.CipheredData[i] = data[i];
}
#if DEBUG
printf("----------SENT CLEAR DATA WITHOUT HMAC---------\n");
printHexData((uint8_t*)&finalPkt, dataLen+6);
printf("-----------------------------------------------\n");
#endif
//Compute checksum whith hmachKey
uint8_t tmpHMACSHA256[32];
hmachSHA256((uint8_t*)&finalPkt, dataLen+6, hmacKey, tmpHMACSHA256);
#if DEBUG
printf("------------------HMAC-------------------------\n");
printHexData(tmpHMACSHA256, 32);
printf("-----------------------------------------------\n");
#endif
//Ciphered with KEY:dataW IV:tmpHMACSHA256
uint8_t* tmpData = cbc_encrypt(data, dataLen, dataW, tmpHMACSHA256);
//Replace to cleartext with the ciphertext
for(i=0; i<dataLen; i++){
finalPkt.CipheredData[i] = tmpData[i];
}
//Add IV/HMAC
for(i=0; i<16; i++){
finalPkt.CipheredData[dataLen+i] = tmpHMACSHA256[i];
}
//Send on socket !
sendto(socket_fd, &finalPkt, dataLen+6+16, MSG_DONTWAIT, (struct sockaddr *)&sa,sizeof(sa));
}
/*
* Called when a BREAKIN packet is received !
*/
void breakCallBack(){
uint8_t wait_state[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x08, 0x30, 0x30, 0x30, 0x30, 0x07, 0x00, 0xf0, 0x00,
0x26, 0x09, 0x00, 0x00, 0x8e, 0x2f, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5a, 0xf6, 0x6b, 0x02, 0xf8, 0xff, 0xff,
0x90, 0x2b, 0xd7, 0x6b, 0x02, 0xf8, 0xff, 0xff, 0x03, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x2b, 0xd7, 0x6b, 0x02, 0xf8, 0xff, 0xff,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xd9, 0x6e, 0x6d, 0x02, 0xf8, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xd9, 0x6e, 0x6d, 0x02, 0xf8, 0xff, 0xff,
0x15, 0xd4, 0xc9, 0x04, 0xa9, 0x3f, 0xc1, 0xc2, 0x83, 0xe6, 0xb3, 0x64, 0xc8, 0x4d, 0x3d, 0x09,
0x01, 0x00, 0x00, 0x00, 0x01, 0xf8, 0xff, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x10, 0x00, 0x03, 0x00,
0xcc, 0xc3, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x00, 0x2b, 0x00, 0x2b, 0x00, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
//TODO: generate this from scratch !
sendDataPkt(wait_state, sizeof(wait_state));
}
uint32_t tmpID = 0x00000926;
void resetCallBack(){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16;
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x69696969;
tmp_kdnet_pkt->PacketType = 0x0006;
tmp_kdnet_pkt->Checksum = 0x00000000;
tmp_kdnet_pkt->DataSize = 0;
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
//printf("\n\n[!] Send ACK Packet for %08x!\n", pkt_id);
sendDataPkt(buffer, roundup16(pkt_size));
//Always send wait_state after reset...
breakCallBack();
}
void GetVersionApiCallBack(DBGKD_MANIPULATE_STATE64* request){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+sizeof(DBGKD_GET_VERSION_API64);
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdGetVersionApi;
tmp_manipulate_state->ProcessorLevel = request->ProcessorLevel;
tmp_manipulate_state->Processor = request->Processor;
tmp_manipulate_state->ReturnStatus = 0x0;
tmp_manipulate_state->Padding = 0x0;
DBGKD_GET_VERSION_API64* tmp_get_version = &tmp_manipulate_state->u.GetVersion;
tmp_get_version->Unknown1 = 0x000702062580000f;
tmp_get_version->Unknown2 = 0x00000031030c8664;
tmp_get_version->KernelImageBase = 0xfffff8026bc18000;
tmp_get_version->PsLoadedModuleList = 0xfffff8026bee22d0;
tmp_get_version->DebuggerDataList = 0xfffff8026bef91f0;
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8);
printf("\n\n[!] Send Packet !\n");
printHexData(buffer, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt(buffer, roundup16(pkt_size));
}
void AckPkt(uint32_t pkt_id){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16;
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x69696969;
tmp_kdnet_pkt->PacketType = 0x0004;
tmp_kdnet_pkt->Checksum = 0x00000000;
tmp_kdnet_pkt->DataSize = 0;
tmp_kdnet_pkt->PacketID = pkt_id;
printf("\n\n[!] Send ACK Packet for %08x!\n", pkt_id);
sendDataPkt(buffer, roundup16(pkt_size));
}
void initCallBack(){
int fd = open("/home/arfarf/git/samples/win8_dbg.raw", O_RDONLY);
raw_mem_size = fileSize(fd);
printf("raw_mem_size %ld MB \n", raw_mem_size/(1024*1024));
raw_mem = mmap(0, raw_mem_size, PROT_READ, MAP_SHARED, fd, 0);
/*uint8_t data;
readVirtualMemory(0x7fef069d50c, 1, &data);
exit(0);*/
}
void readMemoryCallBack(DBGKD_MANIPULATE_STATE64* request){
uint64_t base = request->u.ReadMemory.TargetBaseAddress;
uint32_t count = request->u.ReadMemory.TransferCount;
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+(sizeof(DBGKD_READ_MEMORY64)-1)+count;
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdReadVirtualMemoryApi;
tmp_manipulate_state->ProcessorLevel = request->ProcessorLevel;
tmp_manipulate_state->Processor = request->Processor;
tmp_manipulate_state->ReturnStatus = 0x0;
tmp_manipulate_state->Padding = 0x0;
DBGKD_READ_MEMORY64* tmp_read_memory = &tmp_manipulate_state->u.ReadMemory;
tmp_read_memory->TargetBaseAddress = base;
tmp_read_memory->TransferCount = count;
tmp_read_memory->ActualBytesRead = count;
tmp_read_memory->Unknown1 = request->u.ReadMemory.Unknown1; //TODO: hu ?
tmp_read_memory->Unknown2 = request->u.ReadMemory.Unknown2; //TODO: hu ?
tmp_read_memory->Unknown3 = request->u.ReadMemory.Unknown3; //TODO: hu ?
tmp_read_memory->Unknown4 = request->u.ReadMemory.Unknown4; //TODO: hu ?
tmp_read_memory->Unknown5 = request->u.ReadMemory.Unknown5; //TODO: hu ?
tmp_read_memory->Unknown6 = request->u.ReadMemory.Unknown6; //TODO: hu ?
//TODO: callback !
readVirtualMemory(base, count, tmp_read_memory->Data);
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8);
printf("\n\n[!] Send Packet !\n");
printHexData(buffer, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt(buffer, roundup16(pkt_size));
}
void readControlSpaceCallBack(DBGKD_MANIPULATE_STATE64* request){
uint64_t base = request->u.ReadMemory.TargetBaseAddress;
uint32_t count = request->u.ReadMemory.TransferCount;
uint8_t read_memory_resp[MAX_KDNET_PKTLEN];
memset(read_memory_resp, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+(sizeof(DBGKD_READ_MEMORY64)-1)+count;
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)read_memory_resp;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(read_memory_resp+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
printf("PLOP %d %d\n", pkt_size, tmp_kdnet_pkt->DataSize);
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdReadControlSpaceApi;
tmp_manipulate_state->ProcessorLevel = request->ProcessorLevel;
tmp_manipulate_state->Processor = request->Processor;
tmp_manipulate_state->ReturnStatus = 0x0;
DBGKD_READ_MEMORY64* tmp_read_memory = &tmp_manipulate_state->u.ReadMemory;
tmp_read_memory->TargetBaseAddress = base;
tmp_read_memory->TransferCount = count;
tmp_read_memory->ActualBytesRead = count;
tmp_read_memory->Unknown1 = request->u.ReadMemory.Unknown1; //TODO: hu ?
tmp_read_memory->Unknown2 = request->u.ReadMemory.Unknown2; //TODO: hu ?
tmp_read_memory->Unknown3 = request->u.ReadMemory.Unknown3; //TODO: hu ?
tmp_read_memory->Unknown4 = request->u.ReadMemory.Unknown4; //TODO: hu ?
tmp_read_memory->Unknown5 = request->u.ReadMemory.Unknown5; //TODO: hu ?
tmp_read_memory->Unknown6 = request->u.ReadMemory.Unknown6; //TODO: hu ?
//TODO: callback !
//readVirtualMemory(base, count, tmp_read_memory->Data);
if(base == 1){ //&Prcb
printf("TODO: GetPrcb\n"); //TODO:
tmp_read_memory->Data[0] = 0x80;
tmp_read_memory->Data[1] = 0xe1;
tmp_read_memory->Data[2] = 0xef;
tmp_read_memory->Data[3] = 0x6b;
tmp_read_memory->Data[4] = 0x02;
tmp_read_memory->Data[5] = 0xf8;
tmp_read_memory->Data[6] = 0xff;
tmp_read_memory->Data[7] = 0xff; //XXX: 0xfffff8026befe180 in my tests
}else if(base == 2){ //TODO: &KiProcessorBlock[State->Processor]->ProcessorState.SpecialRegisters;
uint8_t mySpecialRegisters[] = {
0x00, 0x00, 0x00, 0x31, 0x00, 0x05, 0x80, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x6d, 0x40, 0x01, 0xf9, 0xff, 0xff, 0x00, 0x70, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0x00, 0x00, 0x50, 0x6e, 0x6d, 0x02, 0xf8, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x0f, 0x80, 0x50, 0x6e, 0x6d, 0x02, 0xf8, 0xff, 0xff, 0x40, 0x00, 0x00, 0x00, 0x80, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
int i;
for(i=0; i<sizeof(mySpecialRegisters); i++){
tmp_read_memory->Data[i] = mySpecialRegisters[i];
}
}else{
printf("WTF !\n");
exit(0);
}
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8);
printf("\n\n[!] Send Packet !\n");
printHexData((uint8_t*)tmp, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt((uint8_t*)tmp, roundup16(pkt_size));
}
//TODO (DBGKD_MANIPULATE_STATE64* request){
void restoreBreakPointCallBack(DBGKD_RESTORE_BREAKPOINT* request){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+sizeof(DBGKD_RESTORE_BREAKPOINT);
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdRestoreBreakPointApi;
tmp_manipulate_state->ProcessorLevel = 0xf802; //TODO: Hu ?
tmp_manipulate_state->Processor = 0xffff; //TODO: Hu ?
tmp_manipulate_state->ReturnStatus = 0xc0000001;
tmp_manipulate_state->Padding = 0x0;
DBGKD_RESTORE_BREAKPOINT* tmp_restore_breakpoint = &tmp_manipulate_state->u.RestoreBreakPoint;
tmp_restore_breakpoint->BreakPointHandle = request->BreakPointHandle;
int i;
for(i=0; i<32; i++){
tmp_restore_breakpoint->Unknown[i] = request->Unknown[i];
}
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8); //header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
printf("\n\n[!] Send Packet size %d!\n", roundup16(pkt_size));
printHexData((uint8_t*)tmp, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt((uint8_t*)tmp, roundup16(pkt_size)); //header(KDNET_POST_HEADER)+header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
}
void setContextApiCallBack(DBGKD_MANIPULATE_STATE64* request){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+sizeof(DBGKD_SET_CONTEXT);
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdReadControlSpaceApi;
tmp_manipulate_state->ProcessorLevel = request->ProcessorLevel;
tmp_manipulate_state->Processor = request->Processor;
tmp_manipulate_state->ReturnStatus = 0x0;
DBGKD_SET_CONTEXT* tmp_set_context = &tmp_manipulate_state->u.SetContext;
tmp_set_context->ContextFlags = 0x00000002;
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8); //header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
printf("\n\n[!] Send Packet size %d!\n", roundup16(pkt_size));
printHexData((uint8_t*)tmp, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt((uint8_t*)tmp, roundup16(pkt_size)); //header(KDNET_POST_HEADER)+header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
}
void clearAllInternalBreakpointsCallBack(){
printf("clearAllInternalBreakpointsCallBack()\n");
//TODO: CallBack !
}
//TODO: request
void getRegisterCallBack(){
uint8_t buffer[MAX_KDNET_PKTLEN];
memset(buffer, 0, MAX_KDNET_PKTLEN);
uint16_t pkt_size = 8+16+16+sizeof(DBGKD_GET_REGISTER64);
KDNET_POST_HEADER* tmp = (KDNET_POST_HEADER*)buffer;
tmp->PacketPadding = roundup16(pkt_size)-pkt_size;
KD_PACKET_HEADER* tmp_kdnet_pkt = (KD_PACKET_HEADER*)(buffer+sizeof(KDNET_POST_HEADER));
tmp_kdnet_pkt->Signature = 0x30303030;
tmp_kdnet_pkt->PacketType = 0x0002;
tmp_kdnet_pkt->DataSize = pkt_size-16-8; //-header(KDNET_POST_HEADER)-header(KD_PACKET_HEADER)
tmp_kdnet_pkt->PacketID = tmpID;
tmpID++;
tmpID++;
DBGKD_MANIPULATE_STATE64* tmp_manipulate_state = (DBGKD_MANIPULATE_STATE64*)&tmp_kdnet_pkt->PacketBody[0];
tmp_manipulate_state->ApiNumber = DbgKdGetRegister;
tmp_manipulate_state->ProcessorLevel = 0x0; //TODO: Hu ? //TODO: request !
tmp_manipulate_state->Processor = 0x0; //TODO: Hu ?
tmp_manipulate_state->ReturnStatus = 0x0;
tmp_manipulate_state->Padding = 0x0;
DBGKD_GET_REGISTER64* tmp_get_registers = &tmp_manipulate_state->u.GetRegisters;
tmp_get_registers->rax = 0x0123456789ABCDEF;
tmp_get_registers->rbx = 0x0123456789ABCDEF;
tmp_get_registers->rcx = 0x0123456789ABCDEF;
tmp_get_registers->rdx = 0x0123456789ABCDEF;
tmp_get_registers->r8 = 0x0123456789ABCDEF;
tmp_get_registers->r9 = 0x0123456789ABCDEF;
tmp_get_registers->rip = 0x0123456789ABCDEF;
int i;
for(i=0; i<122; i++){
tmp_get_registers->UnknownRegisters[i] = 0x0123456789ABCDEF;
}
//Compute checksum
tmp_kdnet_pkt->Checksum = checksumKD_PACKET(tmp_kdnet_pkt, pkt_size-8); //header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
printf("\n\n[!] Send Packet size %d!\n", roundup16(pkt_size));
printHexData((uint8_t*)tmp, roundup16(pkt_size));
printKD_PACKET(tmp_kdnet_pkt);
sendDataPkt((uint8_t*)tmp, roundup16(pkt_size)); //header(KDNET_POST_HEADER)+header(KD_PACKET_HEADER)+header(DBGKD_MANIPULATE_STATE64)+header(DBGKD_READ_MEMORY64)+count
}
void continueApi2CallBack(DBGKD_MANIPULATE_STATE64* request){
//TODO: continue callback!
}
void handleKD_PACKET(KD_PACKET_HEADER* pkt){
if(pkt->Signature == 0x00000062){
printf("BREAKIN\n");
breakCallBack();
return;
}
if(pkt->Signature == 0x69696969){
if(pkt->PacketType == 0x0006){
printf("RESET\n");
resetCallBack();
return;
}else if(pkt->PacketType == 0x0004){
printf("ACK\n"); //TODO: ack the packet !
return;
}
}
if(pkt->Signature == 0x30303030){
if(pkt->PacketType == 0x0002){ //ApiRequest
switch(pkt->ApiNumber){
case DbgKdGetVersionApi:
{
//printf("DbgKdGetVersionApi\n");
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
GetVersionApiCallBack(tmp);
return;
}
case DbgKdReadControlSpaceApi:
{
//printf("DbgKdReadControlSpaceApi");
AckPkt(pkt->PacketID);
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
readControlSpaceCallBack(tmp);
return;
}
case DbgKdReadVirtualMemoryApi:
{
//printf("DbgKdReadVirtualMemoryApi");
AckPkt(pkt->PacketID);
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
readMemoryCallBack(tmp);
return;
}
case DbgKdRestoreBreakPointApi:
{
AckPkt(pkt->PacketID);
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
restoreBreakPointCallBack(&tmp->u.RestoreBreakPoint);
return;
}
case DbgKdClearAllInternalBreakpointsApi:
{
AckPkt(pkt->PacketID);
clearAllInternalBreakpointsCallBack();
return;
}
case DbgKdGetRegister:
{
AckPkt(pkt->PacketID);
getRegisterCallBack();
return;
}
case DbgKdSetContextApi:
{
AckPkt(pkt->PacketID);
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
setContextApiCallBack(tmp);
return;
}
case DbgKdContinueApi2: //TODO: not working :(
{
AckPkt(pkt->PacketID);
DBGKD_MANIPULATE_STATE64* tmp = (DBGKD_MANIPULATE_STATE64*)&pkt->PacketBody[0];
continueApi2CallBack(tmp);
return;
}
case DbgKdQueryMemoryApi: //TODO
default:
printf("Unknown ApiNumber %08x\n", pkt->ApiNumber);
printf("FATAL\n");
exit(0);
return;
}
}
}
}
/**
*
* Main KDNET server main
*
*/
void kd_server(){
//struct sockaddr_in Debuggee_sa;
socket_fd = socket(PF_INET, SOCK_DGRAM, 0);
if(socket_fd < 0){
printf("socket call failed");
exit(0);
}
memset(&sa, 0, sizeof(struct sockaddr_in));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr("192.168.0.11");
sa.sin_port = htons(50000);
//TODO: create poke from scratch !
//Send POKE
pkt_number++;
sendto(socket_fd, poke, sizeof(poke), 0, (struct sockaddr *)&sa,sizeof(sa));
//Receive POKE_RESP
uint8_t buffer[2048];
int n=recvfrom(socket_fd, buffer, sizeof(buffer), 0, NULL, NULL);
BYTE *unciphered_poke_resp = cbc_decrypt(buffer+6, n-6-16, controlW, buffer+n-16);
//Compute the data canal key with POKE_RESP
BYTE dataKey[32];
SHA256Context mySHA256Context;
SHA256Init(&mySHA256Context);
SHA256Update(&mySHA256Context, controlKey, 32);
SHA256Update(&mySHA256Context, unciphered_poke_resp+8, 322);
SHA256Final(&mySHA256Context, dataKey);
aes_key_setup(dataKey, dataW, 256);
//TODO: create conn_check from scratch !
uint8_t connection_check[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0b, 0x00, 0xa8, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
sendDataPkt(connection_check, sizeof(connection_check));
//Get CONN_RESP_PACKET !
n=recvfrom(socket_fd, buffer, sizeof(buffer), 0, NULL, NULL);
printf("Packet received : %d bytes \n", n);
//Here the connection is established !
//Get next_packet !
while(1){
n=recvfrom(socket_fd, buffer, sizeof(buffer), 0, NULL, NULL);
printf("\n\n[!] Packet received : %d bytes >>>>>>\n", n);
BYTE *unciphered_pkt = cbc_decrypt(buffer+6, n-6-16, dataW, buffer+n-16);
printHexData(unciphered_pkt, n-6-16);
printf("<<<<\n");
printKD_PACKET((KD_PACKET_HEADER*)(unciphered_pkt+8));
handleKD_PACKET((KD_PACKET_HEADER*)(unciphered_pkt+8));
}
exit(0);
}
//http://articles.sysprogs.org/kdvmware/kdcom.shtml
//http://j00ru.vexillium.org/?p=405
//http://visi.kenshoto.com/static/apidocs/vstruct.defs.kdcom-module.html
//https://code.google.com/p/reactos-mirror/source/browse/trunk/reactos/include/reactos/windbgkd.h
int main(int argc, char* argv[]){
//printKD_PACKET((KD_PACKET_HEADER*)(unciphered_go+8));
//exit(0);
//TODO: move this !
initCallBack();
int i;
#if DEBUG
printf("controlKey :\n");
for(i=0; i<32; i++){
printf("%02x ", controlKey[i]);
}
printf("\n");
#endif
//Expand controlKey
aes_key_setup(controlKey, controlW, 256);
#if DEBUG
printf("hmacKey :\n");
for(i=0; i<32; i++){
printf("%02x ", hmacKey[i]);
}
printf("\n");
#endif
//Generate hmacKey from controlKey
for(i=0; i<32; i++){
hmacKey[i] = controlKey[i]^0xFF;
}
if(argc == 2){
kd_server();
}
//
//
//All my tests !
//---------------------
printf("\nPoke :\n");
//KDNET_PACKET_HEADER* poke_pkt = (KDNET_PACKET_HEADER*)poke;
//printKDNET_PACKET(poke_pkt);
BYTE* tmp = cbc_decrypt(poke+6, 0x160, controlW, poke+sizeof(poke)-16);
uint8_t arf[2096];
memset(arf, 0, 2096);
for(i=0; i<6; i++){
arf[i] = poke[i];
};
for(i=0; i<0x160-16; i++){
arf[i+6] = tmp[i];
}
printf("\n\n");
for(i=0; i<0x166; i++){
printf("%02x ", arf[i]);
if(i%16 == 15){
printf("\n");
}
}
printf("\n");
BYTE tmpSHA[32];
hmacSHA256Context myHmacSHA256Context;
hmacSHA256Init(&myHmacSHA256Context, hmacKey, 32);
hmacSHA256Update(&myHmacSHA256Context, arf, 0x166);
hmacSHA256Final(&myHmacSHA256Context, tmpSHA);
printf("\nChecksum:\n");
for(i=0; i<16; i++){
printf("%02x ", tmpSHA[i]);
}
printf("\n\n");
printf("\nPoke response :\n");
BYTE* unciphered_poke_resp = cbc_decrypt(poke_resp+6, sizeof(poke_resp)-6-16, controlW, poke_resp+sizeof(poke_resp)-16);
BYTE dataKey[32];
SHA256Context mySHA256Context;
SHA256Init(&mySHA256Context);
SHA256Update(&mySHA256Context, controlKey, 32);
SHA256Update(&mySHA256Context, unciphered_poke_resp+8, 322);
SHA256Final(&mySHA256Context, dataKey);
aes_key_setup(dataKey, dataW, 256);
printf("\ndataKey :\n");
for(i=0; i<32; i++){
printf("%02x ", dataKey[i]);
}
printf("\n");
pcap_t *handle;
char errbuf[PCAP_ERRBUF_SIZE]; //not sure what to do with this, oh well
handle = pcap_open_offline("/home/arfarf/git/samples/debug_trace.pcap", errbuf); //call pcap library function
const u_char *packet; // The actual packet
struct pcap_pkthdr header; // The header that pcap gives us
int pkt_num = 1;
while ((packet = pcap_next(handle,&header))) {
u_char *debug_pkt = (u_char *)packet+42; //cast a pointer to the packet data
int debug_pkt_len = header.caplen-42;