Function at 0x439178
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x4391a7
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4391b1
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0043c488
test eax, eax
pop ecx
je 0x4391cc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042bf20
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042f023
test eax, eax
pop ecx
je 0x4391e7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042bf20
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x439204
test ecx, 0x74000
jne 0x439200
cmp dword [ebp - 0x24], eax
je 0x439204
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x43925e
dec eax
je 0x439248
dec eax
je 0x439243
call fcn.0042c9cf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042c9bc
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042c01c
add esp, 0x14
jmp 0x439811
mov dword [ebp - 8], edx
jmp 0x439261
test cl, 8
je 0x439255
test ecx, 0x70000
jne 0x439243
mov dword [ebp - 8], 0x40000000
jmp 0x439261
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4392a2
sub eax, ecx
je 0x439299
sub eax, ecx
je 0x439290
sub eax, ecx
je 0x439287
sub eax, 0x40
jne 0x43921d
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4392a5
mov dword [ebp - 0x10], 3
jmp 0x4392a5
mov dword [ebp - 0x10], 2
jmp 0x4392a5
mov dword [ebp - 0x10], 1
jmp 0x4392a5
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x4392f8
je 0x4392ef
cmp eax, ebx
je 0x4392ef
cmp eax, edi
je 0x4392e6
cmp eax, 0x200
je 0x43936b
cmp eax, 0x300
jne 0x43921d
mov dword [ebp - 0x14], 2
jmp 0x439315
mov dword [ebp - 0x14], 4
jmp 0x439315
mov dword [ebp - 0x14], 3
jmp 0x439315
cmp eax, 0x500
je 0x43930e
cmp eax, 0x600
je 0x43936b
cmp eax, edx
jne 0x43921d
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x439339
mov ecx, dword [0x451124]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x439339
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x439355
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x439355
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x43935e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x439374
or dword [ebp - 0xc], 0x8000000
jmp 0x43937f
mov dword [ebp - 0x14], 5
jmp 0x439315
test al, 0x10
je 0x43937f
or dword [ebp - 0xc], 0x10000000
call fcn.00438e59
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4393a5
call fcn.0042c9cf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042c9bc
mov dword [eax], 0x18
jmp 0x439433
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x43943f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x43940b
test byte [ebp + 0x10], 1
je 0x43940b
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x43943f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x451960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042c9e2
pop ecx
call fcn.0042c9bc
mov eax, dword [eax]
jmp 0x4398cd
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x439490
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x451960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042c9e2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x439433
call fcn.0042c9bc
mov dword [eax], 0xd
jmp 0x439433
cmp eax, 2
jne 0x43949b
or byte [ebp - 1], 0x40
jmp 0x4394a4
cmp eax, 3
jne 0x4394a4
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00438c28
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x451960]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x451960]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x43957a
test cl, 0x80
je 0x43964a
test byte [ebp + 0x10], 2
je 0x43957a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043c35a
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x439538
call fcn.0042c9cf
cmp dword [eax], 0x83
je 0x43957a
push dword [esi]
call fcn.0042fff5
jmp 0x439432
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0043bc9c
add esp, 0xc
test eax, eax
jne 0x43956a
cmp word [ebp - 0x2c], 0x1a
jne 0x43956a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043bae8
add esp, 0xc
cmp eax, edi
je 0x43952c
push ebx
push ebx
push dword [esi]
call fcn.0043c35a
add esp, 0xc
cmp eax, edi
je 0x43952c
test byte [ebp - 1], 0x80
je 0x43964a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4395a2
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x43959f
or dword [ebp + 0x10], edi
jmp 0x4395a2
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4395ef
cmp eax, 0x10000
je 0x4395db
cmp eax, 0x14000
je 0x4395db
cmp eax, 0x20000
je 0x4395e9
cmp eax, 0x24000
je 0x4395e9
cmp eax, 0x40000
je 0x4395d5
cmp eax, 0x44000
jne 0x4395f2
mov byte [ebp - 2], 1
jmp 0x4395f2
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4395f2
mov byte [ebp - 2], 2
jmp 0x4395f2
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x43964a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x43964a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4397a4
cmp eax, 0x80000000
je 0x43976b
cmp eax, ecx
jne 0x43964a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43964a
cmp eax, 2
jbe 0x43984c
cmp eax, 4
jbe 0x43973d
cmp eax, 5
je 0x43984c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x451960]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x451960]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x4396bc
test byte [ebp + 0x10], 8
je 0x4396bc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x451960]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x4398cb
test byte [ebp + 0x10], 1
je 0x4398cb
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x4398b4
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042c9e2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x451960]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00438ca5
pop ecx
jmp 0x439432
push 2
push ebx
push ebx
push dword [esi]
call fcn.004387fe
add esp, 0x10
or eax, edx
je 0x43984c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004387fe
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x43952c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043bc9c
add esp, 0xc
cmp eax, 0xffffffff
je 0x43952c
cmp eax, 2
je 0x4397f0
cmp eax, 3
jne 0x43983e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4397f0
mov byte [ebp - 2], 1
jmp 0x43964a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43964a
cmp eax, 2
jbe 0x43984c
cmp eax, 4
ja 0x439641
push 2
push ebx
push ebx
push dword [esi]
call fcn.004387fe
add esp, 0x10
or eax, edx
je 0x43984c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004387fe
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x43964a
jmp 0x43952c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x439818
push dword [esi]
call fcn.0042fff5
pop ecx
call fcn.0042c9bc
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4398cd
cmp eax, 0xfeff
jne 0x43983e
push ebx
push 2
push dword [esi]
call fcn.0043c35a
add esp, 0xc
cmp eax, 0xffffffff
je 0x43952c
mov byte [ebp - 2], 2
jmp 0x43964a
push ebx
push ebx
push dword [esi]
call fcn.0043c35a
add esp, 0xc
jmp 0x4397e2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x43986c
dec eax
jne 0x43964a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x43987a
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.0042fbbc
add esp, 0xc
cmp eax, 0xffffffff
je 0x4398a0
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x43987a
jmp 0x43964a
push dword [esi]
call fcn.0042fff5
pop ecx
call fcn.0042c9bc
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4398cd
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x451960]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret