Function at 0x4657ec
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
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 - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x46581b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x465825
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00466d53
test eax, eax
pop ecx
je 0x465840
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00437670
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00448344
test eax, eax
pop ecx
je 0x46585b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00437670
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x465878
test ecx, 0x74000
jne 0x465874
cmp dword [ebp - 0x24], eax
je 0x465878
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4658d2
dec eax
je 0x4658bc
dec eax
je 0x4658b7
call fcn.0043aea3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043ae90
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004377a4
add esp, 0x14
jmp 0x465e84
mov dword [ebp - 8], edx
jmp 0x4658d5
test cl, 8
je 0x4658c9
test ecx, 0x70000
jne 0x4658b7
mov dword [ebp - 8], 0x40000000
jmp 0x4658d5
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x465916
sub eax, ecx
je 0x46590d
sub eax, ecx
je 0x465904
sub eax, ecx
je 0x4658fb
sub eax, 0x40
jne 0x465891
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x465919
mov dword [ebp - 0x10], 3
jmp 0x465919
mov dword [ebp - 0x10], 2
jmp 0x465919
mov dword [ebp - 0x10], 1
jmp 0x465919
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 0x46596c
je 0x465963
cmp eax, ebx
je 0x465963
cmp eax, edi
je 0x46595a
cmp eax, 0x200
je 0x4659df
cmp eax, 0x300
jne 0x465891
mov dword [ebp - 0x14], 2
jmp 0x465989
mov dword [ebp - 0x14], 4
jmp 0x465989
mov dword [ebp - 0x14], 3
jmp 0x465989
cmp eax, 0x500
je 0x465982
cmp eax, 0x600
je 0x4659df
cmp eax, edx
jne 0x465891
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4659ad
mov ecx, dword [0x4824cc]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4659ad
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4659c9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4659c9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4659d2
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4659e8
or dword [ebp - 0xc], 0x8000000
jmp 0x4659f3
mov dword [ebp - 0x14], 5
jmp 0x465989
test al, 0x10
je 0x4659f3
or dword [ebp - 0xc], 0x10000000
call fcn.00459d5b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x465a19
call fcn.0043aea3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043ae90
mov dword [eax], 0x18
jmp 0x465aa7
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
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 0x465ab3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x465a7f
test byte [ebp + 0x10], 1
je 0x465a7f
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
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 0x465ab3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x483960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043aeb6
pop ecx
call fcn.0043ae90
mov eax, dword [eax]
jmp 0x465f40
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x465b04
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x483960]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0043aeb6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x465aa7
call fcn.0043ae90
mov dword [eax], 0xd
jmp 0x465aa7
cmp eax, 2
jne 0x465b0f
or byte [ebp - 1], 0x40
jmp 0x465b18
cmp eax, 3
jne 0x465b18
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00459b2a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x483960]
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 + 0x483960]
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 0x465bed
test cl, 0x80
je 0x465cbd
test byte [ebp + 0x10], 2
je 0x465bed
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00463fc1
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x465bac
call fcn.0043aea3
cmp dword [eax], 0x83
je 0x465bed
push dword [esi]
call fcn.0045f603
jmp 0x465aa6
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00461e16
add esp, 0xc
test eax, eax
jne 0x465bdd
cmp byte [ebp - 4], 0x1a
jne 0x465bdd
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00466998
add esp, 0xc
cmp eax, edi
je 0x465ba0
push ebx
push ebx
push dword [esi]
call fcn.00463fc1
add esp, 0xc
cmp eax, edi
je 0x465ba0
test byte [ebp - 1], 0x80
je 0x465cbd
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x465c15
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x465c12
or dword [ebp + 0x10], edi
jmp 0x465c15
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x465c62
cmp eax, 0x10000
je 0x465c4e
cmp eax, 0x14000
je 0x465c4e
cmp eax, 0x20000
je 0x465c5c
cmp eax, 0x24000
je 0x465c5c
cmp eax, 0x40000
je 0x465c48
cmp eax, 0x44000
jne 0x465c65
mov byte [ebp - 2], 1
jmp 0x465c65
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x465c65
mov byte [ebp - 2], 2
jmp 0x465c65
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x465cbd
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x465cbd
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x465e17
cmp eax, 0x80000000
je 0x465dde
cmp eax, ecx
jne 0x465cbd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x465cbd
cmp eax, 2
jbe 0x465ebf
cmp eax, 4
jbe 0x465db0
cmp eax, 5
je 0x465ebf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x483960]
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 + 0x483960]
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 0x465d2f
test byte [ebp + 0x10], 8
je 0x465d2f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x483960]
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 0x465f3e
test byte [ebp + 0x10], 1
je 0x465f3e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x465f27
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0043aeb6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x483960]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00459ba7
pop ecx
jmp 0x465aa6
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044b05c
add esp, 0x10
or eax, edx
je 0x465ebf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044b05c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x465ba0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00461e16
add esp, 0xc
cmp eax, 0xffffffff
je 0x465ba0
cmp eax, 2
je 0x465e63
cmp eax, 3
jne 0x465eb1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x465e63
mov byte [ebp - 2], 1
jmp 0x465cbd
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x465cbd
cmp eax, 2
jbe 0x465ebf
cmp eax, 4
ja 0x465cb4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044b05c
add esp, 0x10
or eax, edx
je 0x465ebf
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044b05c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x465cbd
jmp 0x465ba0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x465e8b
push dword [esi]
call fcn.0045f603
pop ecx
call fcn.0043ae90
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x465f40
cmp eax, 0xfeff
jne 0x465eb1
push ebx
push 2
push dword [esi]
call fcn.00463fc1
add esp, 0xc
cmp eax, 0xffffffff
je 0x465ba0
mov byte [ebp - 2], 2
jmp 0x465cbd
push ebx
push ebx
push dword [esi]
call fcn.00463fc1
add esp, 0xc
jmp 0x465e55
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x465edf
dec eax
jne 0x465cbd
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x465eed
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.0044b7be
add esp, 0xc
cmp eax, 0xffffffff
je 0x465f13
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x465eed
jmp 0x465cbd
push dword [esi]
call fcn.0045f603
pop ecx
call fcn.0043ae90
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x465f40
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x483960]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret