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display-vmcs.py
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__author__ = "Gerhart"
__license__ = "GPL"
__version__ = "1.3.0"
import idaapi
vmcs_dict = {
'GUEST_ES_SELECTOR':0x00000800,
'GUEST_CS_SELECTOR':0x00000802,
'GUEST_SS_SELECTOR':0x00000804,
'GUEST_DS_SELECTOR':0x00000806,
'GUEST_FS_SELECTOR':0x00000808,
'GUEST_GS_SELECTOR':0x0000080a,
'GUEST_LDTR_SELECTOR':0x0000080c,
'GUEST_TR_SELECTOR':0x0000080e,
'HOST_ES_SELECTOR':0x00000c00,
'HOST_CS_SELECTOR':0x00000c02,
'HOST_SS_SELECTOR':0x00000c04,
'HOST_DS_SELECTOR':0x00000c06,
'HOST_FS_SELECTOR':0x00000c08,
'HOST_GS_SELECTOR':0x00000c0a,
'HOST_TR_SELECTOR':0x00000c0c,
'IO_BITMAP_A':0x00002000,
'IO_BITMAP_A_HIGH':0x00002001,
'IO_BITMAP_B':0x00002002,
'IO_BITMAP_B_HIGH':0x00002003,
'GUEST_PDPTE0':0x0000280A,
'GUEST_PDPTE1':0x0000280C,
'GUEST_PDPTE2':0x0000280E,
'GUEST_PDPTE3':0x00002810,
'EPT_POINTER':0x0000201a,
'EPT_POINTER_HIGH':0x0000201b,
'MSR_BITMAP':0x00002004,
'MSR_BITMAP_HIGH':0x00002005,
'VM_EXIT_MSR_STORE_ADDR':0x00002006,
'VM_EXIT_MSR_STORE_ADDR_HIGH':0x00002007,
'VM_EXIT_MSR_LOAD_ADDR':0x00002008,
'VM_EXIT_MSR_LOAD_ADDR_HIGH':0x00002009,
'VM_ENTRY_MSR_LOAD_ADDR':0x0000200a,
'VM_ENTRY_MSR_LOAD_ADDR_HIGH':0x0000200b,
'TSC_OFFSET':0x00002010,
'TSC_OFFSET_HIGH':0x00002011,
'VIRTUAL_APIC_PAGE_ADDR':0x00002012,
'VIRTUAL_APIC_PAGE_ADDR_HIGH':0x00002013,
'VMCS_LINK_POINTER':0x00002800,
'VMCS_LINK_POINTER_HIGH':0x00002801,
'GUEST_IA32_DEBUGCTL':0x00002802,
'GUEST_IA32_DEBUGCTL_HIGH':0x00002803,
'PIN_BASED_VM_EXEC_CONTROL':0x00004000,
'CPU_BASED_VM_EXEC_CONTROL':0x00004002,
'EXCEPTION_BITMAP':0x00004004,
'PAGE_FAULT_ERROR_CODE_MASK':0x00004006,
'PAGE_FAULT_ERROR_CODE_MATCH':0x00004008,
'CR3_TARGET_COUNT':0x0000400a,
'VM_EXIT_CONTROLS':0x0000400c,
'VM_EXIT_MSR_STORE_COUNT':0x0000400e,
'VM_EXIT_MSR_LOAD_COUNT':0x00004010,
'VM_ENTRY_CONTROLS':0x00004012,
'VM_ENTRY_MSR_LOAD_COUNT':0x00004014,
'VM_ENTRY_INTR_INFO_FIELD':0x00004016,
'VM_ENTRY_EXCEPTION_ERROR_CODE':0x00004018,
'VM_ENTRY_INSTRUCTION_LEN':0x0000401a,
'TPR_THRESHOLD':0x0000401c,
'SECONDARY_VM_EXEC_CONTROL':0x0000401e,
'VM_INSTRUCTION_ERROR':0x00004400,
'VM_EXIT_REASON':0x00004402,
'VM_EXIT_INTR_INFO':0x00004404,
'VM_EXIT_INTR_ERROR_CODE':0x00004406,
'IDT_VECTORING_INFO_FIELD':0x00004408,
'IDT_VECTORING_ERROR_CODE':0x0000440a,
'VM_EXIT_INSTRUCTION_LEN':0x0000440c,
'VMX_INSTRUCTION_INFO':0x0000440e,
'GUEST_ES_LIMIT':0x00004800,
'GUEST_CS_LIMIT':0x00004802,
'GUEST_SS_LIMIT':0x00004804,
'GUEST_DS_LIMIT':0x00004806,
'GUEST_FS_LIMIT':0x00004808,
'GUEST_GS_LIMIT':0x0000480a,
'GUEST_LDTR_LIMIT':0x0000480c,
'GUEST_TR_LIMIT':0x0000480e,
'GUEST_GDTR_LIMIT':0x00004810,
'GUEST_IDTR_LIMIT':0x00004812,
'GUEST_ES_AR_BYTES':0x00004814,
'GUEST_CS_AR_BYTES':0x00004816,
'GUEST_SS_AR_BYTES':0x00004818,
'GUEST_DS_AR_BYTES':0x0000481a,
'GUEST_FS_AR_BYTES':0x0000481c,
'GUEST_GS_AR_BYTES':0x0000481e,
'GUEST_LDTR_AR_BYTES':0x00004820,
'GUEST_TR_AR_BYTES':0x00004822,
'GUEST_INTERRUPTIBILITY_INFO':0x00004824,
'GUEST_ACTIVITY_STATE':0x00004826,
'GUEST_SM_BASE':0x00004828,
'GUEST_SYSENTER_CS':0x0000482A,
'HOST_IA32_SYSENTER_CS':0x00004c00,
'CR0_GUEST_HOST_MASK':0x00006000,
'CR4_GUEST_HOST_MASK':0x00006002,
'CR0_READ_SHADOW':0x00006004,
'CR4_READ_SHADOW':0x00006006,
'CR3_TARGET_VALUE0':0x00006008,
'CR3_TARGET_VALUE1':0x0000600a,
'CR3_TARGET_VALUE2':0x0000600c,
'CR3_TARGET_VALUE3':0x0000600e,
'EXIT_QUALIFICATION':0x00006400,
'GUEST_LINEAR_ADDRESS':0x0000640a,
'GUEST_CR0':0x00006800,
'GUEST_CR3':0x00006802,
'GUEST_CR4':0x00006804,
'GUEST_ES_BASE':0x00006806,
'GUEST_CS_BASE':0x00006808,
'GUEST_SS_BASE':0x0000680a,
'GUEST_DS_BASE':0x0000680c,
'GUEST_FS_BASE':0x0000680e,
'GUEST_GS_BASE':0x00006810,
'GUEST_LDTR_BASE':0x00006812,
'GUEST_TR_BASE':0x00006814,
'GUEST_GDTR_BASE':0x00006816,
'GUEST_IDTR_BASE':0x00006818,
'GUEST_DR7':0x0000681a,
'GUEST_RSP':0x0000681c,
'GUEST_RIP':0x0000681e,
'GUEST_RFLAGS':0x00006820,
'GUEST_PENDING_DBG_EXCEPTIONS':0x00006822,
'GUEST_SYSENTER_ESP':0x00006824,
'GUEST_SYSENTER_EIP':0x00006826,
'HOST_CR0':0x00006c00,
'HOST_CR3':0x00006c02,
'HOST_CR4':0x00006c04,
'HOST_FS_BASE':0x00006c06,
'HOST_GS_BASE':0x00006c08,
'HOST_TR_BASE':0x00006c0a,
'HOST_GDTR_BASE':0x00006c0c,
'HOST_IDTR_BASE':0x00006c0e,
'HOST_IA32_SYSENTER_ESP':0x00006c10,
'HOST_IA32_SYSENTER_EIP':0x00006c12,
'HOST_RSP':0x00006c14,
'HOST_RIP':0x00006c16
}
testl = {
'HOST_RIP':0x00006c16,
'GUEST_RIP':0x0000681e
}
vmcs_show_opcode = [ #label
0x0F, 0x78, 0xC0, #vmread rax,rax
0xEB, 0xFB, #jmp label2 (013FDA106Ch)
]
backup_opcode = [
0xcc, 0xcc, 0xcc, 0xcc, 0xcc
]
def get_vmcs_code(text,vcode):
SetRegValue(vcode,'rax')
StepInto()
GetDebuggerEvent(STEP,-1)
print text, ' = 0x%x' % GetRegValue('rax')
StepInto()
GetDebuggerEvent(STEP,-1)
def get_vmcs_table():
#patch_address = LocByName('mHandle_VMCALL')+0xF #mHandle_VMCALL - vmcall handling function #for
#bp_chunk = patch_address+0x577F5 #checked
#vmcs_show = bp_chunk+0x100 #build 6.2.9200.16384
vmcs_show = LocByName('mISR_0XFF') #for release build
vmcs_show = FindFuncEnd(vmcs_show)+1
tmp = vmcs_show
for code_byte in vmcs_show_opcode:
PatchByte(tmp, code_byte)
tmp = tmp + 1
#efl_str = Eval('SendDbgCommand("r efl")')
efl_str = Eval('send_dbg_command("r efl")')
EflBackup = long(efl_str[5:-1],16)
RipBackup = GetRegValue('rip')
RaxBackup = GetRegValue('rax')
SetRegValue(vmcs_show,'rip')
keys = vmcs_dict.keys()
keys.sort()
for key in keys:
get_vmcs_code(key,vmcs_dict[key])
tmp = vmcs_show
for code_byte in backup_opcode:
PatchByte(tmp, code_byte)
tmp = tmp + 1
SetRegValue(RipBackup,'rip')
SetRegValue(RaxBackup,'rax')
#Eval('SendDbgCommand("r efl=0x'+str(EflBackup)+'")')
StepInto()
GetDebuggerEvent(STEP,-1)
get_vmcs_table()