Function at 0x443e67
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 0x443e96
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x443ea0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00447345
test eax, eax
pop ecx
je 0x443ebb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042de47
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00434283
test eax, eax
pop ecx
je 0x443ed6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042de47
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x443ef3
test ecx, 0x74000
jne 0x443eef
cmp dword [ebp - 0x24], eax
je 0x443ef3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x443f4d
dec eax
je 0x443f37
dec eax
je 0x443f32
call fcn.004320e0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004320cd
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042df43
add esp, 0x14
jmp 0x444500
mov dword [ebp - 8], edx
jmp 0x443f50
test cl, 8
je 0x443f44
test ecx, 0x70000
jne 0x443f32
mov dword [ebp - 8], 0x40000000
jmp 0x443f50
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x443f91
sub eax, ecx
je 0x443f88
sub eax, ecx
je 0x443f7f
sub eax, ecx
je 0x443f76
sub eax, 0x40
jne 0x443f0c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x443f94
mov dword [ebp - 0x10], 3
jmp 0x443f94
mov dword [ebp - 0x10], 2
jmp 0x443f94
mov dword [ebp - 0x10], 1
jmp 0x443f94
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 0x443fe7
je 0x443fde
cmp eax, ebx
je 0x443fde
cmp eax, edi
je 0x443fd5
cmp eax, 0x200
je 0x44405a
cmp eax, 0x300
jne 0x443f0c
mov dword [ebp - 0x14], 2
jmp 0x444004
mov dword [ebp - 0x14], 4
jmp 0x444004
mov dword [ebp - 0x14], 3
jmp 0x444004
cmp eax, 0x500
je 0x443ffd
cmp eax, 0x600
je 0x44405a
cmp eax, edx
jne 0x443f0c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x444028
mov ecx, dword [0x49e2a8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x444028
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x444044
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x444044
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x44404d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x444063
or dword [ebp - 0xc], 0x8000000
jmp 0x44406e
mov dword [ebp - 0x14], 5
jmp 0x444004
test al, 0x10
je 0x44406e
or dword [ebp - 0xc], 0x10000000
call fcn.00443be7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x444094
call fcn.004320e0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004320cd
mov dword [eax], 0x18
jmp 0x444122
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 0x44412e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4440fa
test byte [ebp + 0x10], 1
je 0x4440fa
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 0x44412e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x49f160]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004320f3
pop ecx
call fcn.004320cd
mov eax, dword [eax]
jmp 0x4445bc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x44417f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x49f160]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004320f3
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x444122
call fcn.004320cd
mov dword [eax], 0xd
jmp 0x444122
cmp eax, 2
jne 0x44418a
or byte [ebp - 1], 0x40
jmp 0x444193
cmp eax, 3
jne 0x444193
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004439b6
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x49f160]
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 + 0x49f160]
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 0x444269
test cl, 0x80
je 0x444339
test byte [ebp + 0x10], 2
je 0x444269
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043c1d0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x444227
call fcn.004320e0
cmp dword [eax], 0x83
je 0x444269
push dword [esi]
call fcn.0043b65e
jmp 0x444121
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0043bb12
add esp, 0xc
test eax, eax
jne 0x444259
cmp word [ebp - 0x2c], 0x1a
jne 0x444259
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004470d5
add esp, 0xc
cmp eax, edi
je 0x44421b
push ebx
push ebx
push dword [esi]
call fcn.0043c1d0
add esp, 0xc
cmp eax, edi
je 0x44421b
test byte [ebp - 1], 0x80
je 0x444339
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x444291
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x44428e
or dword [ebp + 0x10], edi
jmp 0x444291
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4442de
cmp eax, 0x10000
je 0x4442ca
cmp eax, 0x14000
je 0x4442ca
cmp eax, 0x20000
je 0x4442d8
cmp eax, 0x24000
je 0x4442d8
cmp eax, 0x40000
je 0x4442c4
cmp eax, 0x44000
jne 0x4442e1
mov byte [ebp - 2], 1
jmp 0x4442e1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4442e1
mov byte [ebp - 2], 2
jmp 0x4442e1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x444339
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x444339
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x444493
cmp eax, 0x80000000
je 0x44445a
cmp eax, ecx
jne 0x444339
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x444339
cmp eax, 2
jbe 0x44453b
cmp eax, 4
jbe 0x44442c
cmp eax, 5
je 0x44453b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x49f160]
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 + 0x49f160]
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 0x4443ab
test byte [ebp + 0x10], 8
je 0x4443ab
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x49f160]
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 0x4445ba
test byte [ebp + 0x10], 1
je 0x4445ba
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 0x4445a3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004320f3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x49f160]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00443a33
pop ecx
jmp 0x444121
push 2
push ebx
push ebx
push dword [esi]
call fcn.004416d1
add esp, 0x10
or eax, edx
je 0x44453b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004416d1
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x44421b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043bb12
add esp, 0xc
cmp eax, 0xffffffff
je 0x44421b
cmp eax, 2
je 0x4444df
cmp eax, 3
jne 0x44452d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4444df
mov byte [ebp - 2], 1
jmp 0x444339
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x444339
cmp eax, 2
jbe 0x44453b
cmp eax, 4
ja 0x444330
push 2
push ebx
push ebx
push dword [esi]
call fcn.004416d1
add esp, 0x10
or eax, edx
je 0x44453b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004416d1
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x444339
jmp 0x44421b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x444507
push dword [esi]
call fcn.0043b65e
pop ecx
call fcn.004320cd
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4445bc
cmp eax, 0xfeff
jne 0x44452d
push ebx
push 2
push dword [esi]
call fcn.0043c1d0
add esp, 0xc
cmp eax, 0xffffffff
je 0x44421b
mov byte [ebp - 2], 2
jmp 0x444339
push ebx
push ebx
push dword [esi]
call fcn.0043c1d0
add esp, 0xc
jmp 0x4444d1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x44455b
dec eax
jne 0x444339
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x444569
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.0043dade
add esp, 0xc
cmp eax, 0xffffffff
je 0x44458f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x444569
jmp 0x444339
push dword [esi]
call fcn.0043b65e
pop ecx
call fcn.004320cd
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4445bc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x49f160]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret