joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4ed670
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
mov esi, dword [esp + 0x1c]
test esi, esi
push edi
jne 0x4ed689
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
push esi
call fcn.004ef5e0
add esp, 4
test eax, eax
jne 0x4ed69e
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov ebp, dword [esp + 0x2c]
test ebp, ebp
jg 0x4ed6b0
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
mov eax, dword [esi]
mov dword [esp + 0x20], 0
cmp eax, 1
jne 0x4ed78e
mov edi, dword [esi + 4]
push eax
push 0
push 0
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [esp + 0x10], ebx
jne 0x4ed6e7
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
push 0
push edi
mov dword [esp + 0x28], 1
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
sub esi, ebp
sub esi, ebx
test esi, esi
jle 0x4ed77b
push esi
call fcn.00538044
add esp, 4
mov ebx, eax
push 1
push 0
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push edi
call ebp
lea eax, [esp + 0x14]
push 0
push eax
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4ed742
push ebx
call fcn.0053806d
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov ecx, dword [esp + 0x10]
push 0
push 0
push ecx
push edi
call ebp
lea edx, [esp + 0x14]
push 0
push edx
push esi
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x4ed766
mov dword [esp + 0x20], eax
push ebx
call fcn.0053806d
mov eax, dword [esp + 0x24]
add esp, 4
test eax, eax
je 0x4ed803
push edi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov eax, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
cmp eax, 2
jne 0x4ed803
mov esi, dword [esi + 4]
mov ecx, esi
mov eax, dword [esi]
call dword [eax + 0x14]
mov ecx, esi
mov ebx, eax
call fcn.004ef5d0
mov edi, eax
mov dword [esp + 0x20], 1
sub edi, ebp
sub edi, ebx
test edi, edi
jle 0x4ed7fb
mov edx, dword [esi]
push 1
push ebp
mov ecx, esi
call dword [edx + 0x18]
push edi
call fcn.00538044
add esp, 4
mov ebp, eax
mov eax, dword [esi]
mov ecx, esi
push edi
push ebp
call dword [eax + 0x20]
mov edx, dword [esi]
push 0
push ebx
mov ecx, esi
call dword [edx + 0x18]
mov eax, dword [esi]
push edi
push ebp
mov ecx, esi
call dword [eax + 0x24]
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x14]
push ebp
mov ebx, eax
call fcn.0053806d
add esp, 4
mov eax, dword [esi]
push ebx
mov ecx, esi
call dword [eax + 0x1c]
mov eax, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4ed860
Capabilities:
Check if file exists
Get common file path

Disassembly:
mov eax, dword [esp + 0x10]
sub esp, 0x208
test eax, eax
push ebx
push esi
push edi
jne 0x4ed88b
lea eax, [esp + 0xc]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
test eax, eax
jne 0x4ed8b3
mov byte [esp + 0xc], al
jmp 0x4ed8b3
mov edi, dword [esp + 0x21c]
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0xc]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea edi, [esp + 0xc]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
lea eax, [esp + ecx + 0xc]
mov cl, byte [esp + ecx + 0xb]
cmp cl, 0x5c
je 0x4ed8d1
mov byte [eax], 0x5c
mov esi, dword [sym.imp.USER32.dll_wsprintfA]
mov edi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ebx, dword [sym.imp.SHLWAPI.dll_PathFileExistsA]
call edi
lea ecx, [esp + 0xc]
push eax
push ecx
lea edx, [esp + 0x118]
push str._s_x.tmp
push edx
call esi
add esp, 0x10
lea eax, [esp + 0x110]
push eax
call ebx
test eax, eax
jne 0x4ed8e3
lea edi, [esp + 0x110]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
push ecx
call fcn.004e74c0
mov edx, eax
lea edi, [esp + 0x114]
or ecx, 0xffffffff
xor eax, eax
add esp, 4
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebx
add esp, 0x208
ret

Function at 0x4f7ed4
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov dword [ebp - 4], 0
mov dword [ebp - 8], 0
push dword [ebp + 0x10]
call fcn.004f318d
mov dword [ebp - 4], eax
push 0x80000301
push 0
push 0xff
push 1
mov ebx, 0x184
call fcn.004fdcb0
add esp, 0x10
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
push eax
mov ebx, dword [ebp - 8]
test ebx, ebx
je 0x4f7f2b
push ebx
call fcn.004fd3fa
add esp, 4
pop eax
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], esp
push 0
push dword [ebp - 4]
push dword [ebp - 8]
push 0
call dword [sym.imp.shell32.dll_SHGetSpecialFolderPathA_1]
nop
nop
nop
nop
cmp dword [ebp - 0xc], esp
je 0x4f7f5e
push 6
call fcn.004fd40c
add esp, 4
mov dword [ebp - 0xc], 0
push 0
push dword [ebp - 0xc]
lea eax, [ebp - 8]
push eax
push dword [ebp + 8]
call fcn.004f368b
mov ebx, dword [ebp - 8]
test ebx, ebx
je 0x4f7f86
push ebx
call fcn.004fd3fa
add esp, 4
mov esp, ebp
pop ebp
ret 0xc

Function at 0x4fddd0
Capabilities:
Encode data using xor

Disassembly:
mov edx, dword [esp + 4]
mov eax, dword [esp + 8]
cmp edx, 1
jle 0x4fddee
push esi
lea ecx, [esp + 0x18]
dec edx
mov esi, dword [ecx]
add ecx, 0xc
xor eax, esi
dec edx
jne 0x4fdde3
pop esi
ret
Function at 0x4fe510
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
push esi
test ebx, ebx
push edi
jne 0x4fe523
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
push ebx
call fcn.00500610
add esp, 4
test eax, eax
jne 0x4fe535
pop edi
pop esi
pop ebp
pop ebx
ret
mov edi, dword [esp + 0x24]
test edi, edi
jg 0x4fe544
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
mov eax, dword [ebx]
xor esi, esi
cmp eax, 1
jne 0x4fe59b
mov ebx, dword [ebx + 4]
push edi
call fcn.00513d5c
add esp, 4
mov ebp, eax
lea eax, [esp + 0x18]
push esi
push eax
push edi
push ebp
push ebx
call dword [sym.imp.kernel32.dll_ReadFile_1]
test eax, eax
jne 0x4fe57e
push ebp
call fcn.00513d85
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov ecx, dword [esp + 0x18]
push ecx
push ebp
call fcn.004ffcf0
push ebp
mov esi, eax
call fcn.00513d85
add esp, 0xc
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
ret
cmp eax, 2
jne 0x4fe5dd
mov ebx, dword [ebx + 4]
lea edx, [edi + 8]
push edx
call fcn.004fd660
mov esi, eax
add esp, 4
lea ecx, [esi + 8]
mov dword [esi], 1
mov dword [esi + 4], edi
mov eax, dword [ebx]
push edi
push ecx
mov ecx, ebx
call dword [eax + 0x20]
test eax, eax
jne 0x4fe5da
push esi
call fcn.004fd6f0
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov dword [esi + 4], eax
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4feab0
Capabilities:
Write file on windows

Disassembly:
sub esp, 8
push esi
mov esi, dword [esp + 0x14]
test esi, esi
jne 0x4feac3
xor eax, eax
pop esi
add esp, 8
ret
push esi
call fcn.00500610
add esp, 4
test eax, eax
jne 0x4fead5
pop esi
add esp, 8
ret
mov eax, dword [esi]
push ebx
mov ebx, 1
push ebp
cmp eax, ebx
push edi
mov dword [esp + 0x10], 0
jne 0x4feb4c
mov eax, dword [esp + 0x1c]
mov edi, dword [esi + 4]
cmp eax, ebx
mov dword [esp + 0x10], ebx
jle 0x4feb7e
mov ebp, dword [sym.imp.kernel32.dll_WriteFile_1]
lea esi, [esp + 0x2c]
mov eax, dword [esi]
lea edx, [esp + 0x14]
push 0
push edx
lea ecx, [eax + 8]
mov eax, dword [eax + 4]
push eax
push ecx
push edi
call ebp
test eax, eax
je 0x4feb38
mov eax, dword [esp + 0x1c]
inc ebx
add esi, 0xc
cmp ebx, eax
jl 0x4feb08
mov eax, dword [esp + 0x10]
pop edi
pop ebp
pop ebx
pop esi
add esp, 8
ret
pop edi
mov dword [esp + 0xc], 0
mov eax, dword [esp + 0xc]
pop ebp
pop ebx
pop esi
add esp, 8
ret
cmp eax, 2
jne 0x4feb7e
mov eax, dword [esp + 0x1c]
mov esi, dword [esi + 4]
cmp eax, ebx
mov dword [esp + 0x10], ebx
jle 0x4feb7e
lea edi, [esp + 0x2c]
lea ebx, [eax - 1]
mov eax, dword [edi]
mov edx, dword [esi]
mov ecx, dword [eax + 4]
add eax, 8
push ecx
push eax
mov ecx, esi
call dword [edx + 0x24]
add edi, 0xc
dec ebx
jne 0x4feb67
mov eax, dword [esp + 0x10]
pop edi
pop ebp
pop ebx
pop esi
add esp, 8
ret
Function at 0x4fee70
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
sub esp, 8
push ebx
push ebp
push esi
mov esi, dword [esp + 0x1c]
test esi, esi
push edi
jne 0x4fee89
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
push esi
call fcn.00500610
add esp, 4
test eax, eax
jne 0x4fee9e
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov ebp, dword [esp + 0x2c]
test ebp, ebp
jg 0x4feeb0
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
mov eax, dword [esi]
mov dword [esp + 0x20], 0
cmp eax, 1
jne 0x4fef8e
mov edi, dword [esi + 4]
push eax
push 0
push 0
push edi
call dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov ebx, eax
cmp ebx, 0xffffffff
mov dword [esp + 0x10], ebx
jne 0x4feee7
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 8
ret
push 0
push edi
mov dword [esp + 0x28], 1
call dword [sym.imp.kernel32.dll_GetFileSize_1]
mov esi, eax
sub esi, ebp
sub esi, ebx
test esi, esi
jle 0x4fef7b
push esi
call fcn.00513d5c
add esp, 4
mov ebx, eax
push 1
push 0
push ebp
mov ebp, dword [sym.imp.kernel32.dll_SetFilePointer_1]
push edi
call ebp
lea eax, [esp + 0x14]
push 0
push eax
push esi
push ebx
push edi
call dword [sym.imp.kernel32.dll_ReadFile_1]
test eax, eax
jne 0x4fef42
push ebx
call fcn.00513d85
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov ecx, dword [esp + 0x10]
push 0
push 0
push ecx
push edi
call ebp
lea edx, [esp + 0x14]
push 0
push edx
push esi
push ebx
push edi
call dword [sym.imp.kernel32.dll_WriteFile_1]
test eax, eax
jne 0x4fef66
mov dword [esp + 0x20], eax
push ebx
call fcn.00513d85
mov eax, dword [esp + 0x24]
add esp, 4
test eax, eax
je 0x4ff003
push edi
call dword [sym.imp.kernel32.dll_SetEndOfFile_1]
mov eax, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
cmp eax, 2
jne 0x4ff003
mov esi, dword [esi + 4]
mov ecx, esi
mov eax, dword [esi]
call dword [eax + 0x14]
mov ecx, esi
mov ebx, eax
call fcn.005006b0
mov edi, eax
mov dword [esp + 0x20], 1
sub edi, ebp
sub edi, ebx
test edi, edi
jle 0x4feffb
mov edx, dword [esi]
push 1
push ebp
mov ecx, esi
call dword [edx + 0x18]
push edi
call fcn.00513d5c
add esp, 4
mov ebp, eax
mov eax, dword [esi]
mov ecx, esi
push edi
push ebp
call dword [eax + 0x20]
mov edx, dword [esi]
push 0
push ebx
mov ecx, esi
call dword [edx + 0x18]
mov eax, dword [esi]
push edi
push ebp
mov ecx, esi
call dword [eax + 0x24]
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0x14]
push ebp
mov ebx, eax
call fcn.00513d85
add esp, 4
mov eax, dword [esi]
push ebx
mov ecx, esi
call dword [eax + 0x1c]
mov eax, dword [esp + 0x20]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret

Function at 0x4ff010
Capabilities:
Get file size

Disassembly:
push esi
mov esi, dword [esp + 0xc]
test esi, esi
jne 0x4ff01e
or eax, 0xffffffff
pop esi
ret
push esi
call fcn.00500610
add esp, 4
test eax, eax
jne 0x4ff030
or eax, 0xffffffff
pop esi
ret
mov ecx, dword [esi]
or eax, 0xffffffff
cmp ecx, 1
jne 0x4ff04b
mov esi, dword [esi + 4]
lea eax, [esp + 0xc]
push eax
push esi
call dword [sym.imp.kernel32.dll_GetFileSize_1]
pop esi
ret
cmp ecx, 2
jne 0x4ff058
mov ecx, dword [esi + 4]
call fcn.005006b0
pop esi
ret
Function at 0x4ff3a0
Capabilities:
Enumerate files on windows

Disassembly:
sub esp, 0x144
push ebx
mov ebx, dword [esp + 0x14c]
push ebp
mov ebp, dword [esp + 0x15c]
push esi
push edi
mov esi, dword [ebp]
mov dword [esp + 0x10], 0
test ebx, ebx
je 0x4ff42b
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x4ff42b
test esi, esi
je 0x4ff3e5
cmp esi, 0xffffffff
je 0x4ff3e5
push esi
call dword [sym.imp.kernel32.dll_FindClose_1]
lea eax, [esp + 0x14]
push eax
push ebx
call dword [sym.imp.kernel32.dll_FindFirstFileA_1]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp], esi
je 0x4ff471
mov eax, dword [esp + 0x160]
test eax, eax
je 0x4ff414
mov ecx, dword [esp + 0x14]
and ecx, 0x10
cmp cl, 0x10
je 0x4ff42b
jmp 0x4ff423
mov edx, dword [esp + 0x15c]
mov eax, dword [esp + 0x14]
test edx, eax
je 0x4ff42b
mov dword [esp + 0x10], 1
test esi, esi
je 0x4ff471
cmp esi, 0xffffffff
je 0x4ff471
mov eax, dword [esp + 0x10]
test eax, eax
jne 0x4ff4a8
mov eax, dword [esp + 0x160]
mov edi, dword [sym.imp.kernel32.dll_FindNextFileA_1]
test eax, eax
lea eax, [esp + 0x14]
push eax
push esi
je 0x4ff47e
call edi
test eax, eax
je 0x4ff471
mov ecx, dword [esp + 0x14]
and ecx, 0x10
cmp cl, 0x10
jne 0x4ff4a8
lea edx, [esp + 0x14]
push edx
push esi
call edi
test eax, eax
jne 0x4ff459
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x144
ret
call edi
test eax, eax
je 0x4ff471
mov ebx, dword [esp + 0x15c]
test dword [esp + 0x14], ebx
jne 0x4ff4a8
lea ecx, [esp + 0x14]
push ecx
push esi
call edi
test eax, eax
jne 0x4ff48b
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x144
ret
lea edi, [esp + 0x40]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
push ecx
call fcn.004fd660
mov edx, eax
lea edi, [esp + 0x44]
or ecx, 0xffffffff
xor eax, eax
add esp, 4
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x144
ret

Function at 0x4ff510
Capabilities:
Write file on windows

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x10]
push edi
push 0
push 0x20
push 2
push 0
push 0
push 0x40000000
push eax
call dword [sym.imp.kernel32.dll_CreateFileA_1]
mov edi, eax
xor eax, eax
cmp edi, 0xffffffff
je 0x4ff5a2
mov eax, dword [esp + 0x10]
push ebx
mov ebx, 1
push ebp
cmp eax, ebx
push esi
mov dword [esp + 0x10], ebx
jle 0x4ff594
mov ebp, dword [sym.imp.kernel32.dll_WriteFile_1]
lea esi, [esp + 0x2c]
mov eax, dword [esi]
lea edx, [esp + 0x14]
push 0
push edx
lea ecx, [eax + 8]
mov eax, dword [eax + 4]
push eax
push ecx
push edi
call ebp
test eax, eax
je 0x4ff58c
mov eax, dword [esp + 0x1c]
inc ebx
add esi, 0xc
cmp ebx, eax
jl 0x4ff555
push edi
call dword [sym.imp.kernel32.dll_CloseHandle_1]
mov eax, dword [esp + 0x10]
pop esi
pop ebp
pop ebx
pop edi
add esp, 8
ret
mov dword [esp + 0x10], 0
push edi
call dword [sym.imp.kernel32.dll_CloseHandle_1]
mov eax, dword [esp + 0x10]
pop esi
pop ebp
pop ebx
pop edi
add esp, 8
ret
Function at 0x4ff5b0
Capabilities:
Create directory

Disassembly:
sub esp, 0xc
mov ecx, dword [esp + 0x14]
xor eax, eax
mov dword [esp + 4], eax
mov dword [esp + 8], eax
lea eax, [esp]
mov dword [esp], 0xc
push eax
push ecx
call dword [sym.imp.kernel32.dll_CreateDirectoryA_1]
add esp, 0xc
ret

Function at 0x503a00
Capabilities:
Encrypt data using des

Disassembly:
sub esp, 0xf4
xor ecx, ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x104]
push edi
xor eax, eax
mov al, byte [ecx + 0x57f3ce]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0x57f35e]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x503a13
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x503a54
lea eax, [edx + edx]
lea edi, [esp + eax*4 + 0x88]
lea ebp, [esp + eax*4 + 0x84]
xor eax, eax
xor ecx, ecx
mov cl, byte [edx + 0x57f406]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x503a86
mov bl, byte [esp + ecx + 0x4c]
jmp 0x503a8a
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x503a7b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x503aa8
mov bl, byte [esp + ecx + 0x4c]
jmp 0x503aac
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x503a9d
xor ecx, ecx
mov eax, 0x57f36e
xor ebx, ebx
mov bl, byte [ecx + 0x57f416]
cmp byte [esp + ebx + 0x14], 0
je 0x503ad7
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x57f42e]
cmp byte [esp + ebx + 0x14], 0
je 0x503aee
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, 0x57f3ce
jl 0x503abe
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x503a47
lea edx, [esp + 0x84]
push edx
call fcn.00503b30
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x519b60
Capabilities:
Check if file exists
Get file attributes

Disassembly:
mov eax, dword [esp + 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
xor ecx, ecx
cmp eax, 0xffffffff
setne cl
mov al, cl
ret
Function at 0x51bc10
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x51bc1b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x51bd1e
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
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 + 0x547eac]
xor eax, edx
inc ecx
dec edi
jne 0x51bc36
pop edi
test esi, esi
je 0x51bd40
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x547eac]
xor eax, edx
inc ecx
dec esi
jne 0x51bd22
pop esi
pop ebx
not eax
ret

Function at 0x51bd50
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 + 0x547eac]
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 + 0x547eac]
xor eax, edx
mov dword [ecx + 8], eax
ret
Function at 0x51c5d0
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
mov cl, byte [ebx]
mov eax, ebp
imul eax, dword [esp + 0x14]
test cl, cl
je 0x51c611
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push 0
push ecx
push eax
mov eax, dword [ebx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x51c606
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x1c]
mov ecx, dword [ebx + 0x18]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x51c624
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x14]
mov edi, dword [esp + 0x14]
mov ecx, eax
add esi, edx
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x1c]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x1c], ecx
pop ebp
pop ebx
ret
Function at 0x51d2f0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 8
push ebx
push esi
push edi
mov edi, dword [esp + 0x18]
xor ebx, ebx
cmp edi, ebx
jne 0x51d30c
pop edi
pop esi
mov eax, 0xffffff9a
pop ebx
add esp, 8
ret
cmp dword [edi + 0x18], ebx
jne 0x51d31d
pop edi
pop esi
mov eax, 0xffffff9a
pop ebx
add esp, 8
ret
cmp dword [edi + 0x7c], ebx
je 0x51d32b
push edi
call fcn.0051d760
add esp, 4
lea eax, [esp + 0xc]
lea ecx, [esp + 0x18]
push eax
lea edx, [esp + 0x14]
push ecx
push edx
push edi
call fcn.0051d0f0
add esp, 0x10
test eax, eax
je 0x51d353
pop edi
pop esi
mov eax, 0xffffff99
pop ebx
add esp, 8
ret
push 0x84
call fcn.0052b63a
mov esi, eax
add esp, 4
cmp esi, ebx
jne 0x51d372
pop edi
pop esi
mov eax, 0xffffff98
pop ebx
add esp, 8
ret
push 0x4000
call fcn.0052b63a
mov dword [esi], eax
mov ecx, dword [esp + 0x1c]
mov dword [esi + 0x44], ecx
mov edx, dword [esp + 0x10]
add esp, 4
cmp eax, ebx
mov dword [esi + 0x48], edx
mov dword [esi + 0x4c], ebx
jne 0x51d3ab
push esi
call fcn.0052b222
add esp, 4
mov eax, 0xffffff98
pop edi
pop esi
pop ebx
add esp, 8
ret
mov dword [esi + 0x40], ebx
mov edx, dword [edi + 0x34]
mov ecx, dword [edi + 0x3c]
xor eax, eax
cmp edx, ebx
mov dword [esi + 0x54], ecx
mov dword [esi + 0x50], ebx
mov edx, dword [edi + 0x34]
mov dword [esi + 0x64], edx
mov ecx, dword [edi]
sete al
mov dword [esi + 0x60], ecx
mov edx, dword [edi + 0xc]
cmp eax, ebx
mov dword [esi + 0x68], edx
mov dword [esi + 0x18], ebx
jne 0x51d3f9
lea eax, [esi + 4]
mov dword [esi + 0x24], ebx
push eax
mov dword [esi + 0x28], ebx
mov dword [esi + 0x2c], ebx
call fcn.0051be60
add esp, 4
test eax, eax
jne 0x51d3f9
mov dword [esi + 0x40], 1
mov ecx, dword [edi + 0x40]
mov dword [esi + 0x58], ecx
mov edx, dword [edi + 0x44]
mov dword [esi + 0x5c], edx
mov al, byte [edi + 0x30]
and al, 1
mov byte [esi + 0x6c], al
mov ecx, dword [edi + 0x30]
shr ecx, 3
test cl, 1
je 0x51d426
mov edx, dword [edi + 0x38]
shr edx, 8
mov byte [esi + 0x80], dl
jmp 0x51d432
mov eax, dword [edi + 0x3c]
shr eax, 0x18
mov byte [esi + 0x80], al
mov cl, byte [esi + 0x6c]
push ebp
mov ebp, dword [esp + 0x20]
lea ebx, [esi + 0x70]
neg cl
sbb ecx, ecx
mov dword [ebx], 0x12345678
and ecx, 0xc
mov dword [esi + 0x74], 0x23456789
test ebp, ebp
mov dword [esi + 0x7c], ecx
mov dword [esi + 0x78], 0x34567890
je 0x51d473
mov al, byte [ebp]
test al, al
je 0x51d473
push eax
push ebx
call fcn.0051bd50
add esp, 8
inc ebp
jne 0x51d45f
mov edx, dword [edi + 0x78]
mov eax, dword [esp + 0x14]
mov dword [esi + 8], 0
pop ebp
lea ecx, [edx + eax + 0x1e]
xor eax, eax
mov dword [esi + 0x3c], ecx
mov dword [edi + 0x7c], esi
pop edi
pop esi
pop ebx
add esp, 8
ret