Function at 0x585602
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 0x585631
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x58563b
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00587062
test eax, eax
pop ecx
je 0x585656
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0056987e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0056d687
test eax, eax
pop ecx
je 0x585671
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0056987e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x58568e
test ecx, 0x74000
jne 0x58568a
cmp dword [ebp - 0x24], eax
je 0x58568e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x5856e8
dec eax
je 0x5856d2
dec eax
je 0x5856cd
call fcn.0056f194
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0056f181
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0056997a
add esp, 0x14
jmp 0x585c9b
mov dword [ebp - 8], edx
jmp 0x5856eb
test cl, 8
je 0x5856df
test ecx, 0x70000
jne 0x5856cd
mov dword [ebp - 8], 0x40000000
jmp 0x5856eb
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x58572c
sub eax, ecx
je 0x585723
sub eax, ecx
je 0x58571a
sub eax, ecx
je 0x585711
sub eax, 0x40
jne 0x5856a7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x58572f
mov dword [ebp - 0x10], 3
jmp 0x58572f
mov dword [ebp - 0x10], 2
jmp 0x58572f
mov dword [ebp - 0x10], 1
jmp 0x58572f
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 0x585782
je 0x585779
cmp eax, ebx
je 0x585779
cmp eax, edi
je 0x585770
cmp eax, 0x200
je 0x5857f5
cmp eax, 0x300
jne 0x5856a7
mov dword [ebp - 0x14], 2
jmp 0x58579f
mov dword [ebp - 0x14], 4
jmp 0x58579f
mov dword [ebp - 0x14], 3
jmp 0x58579f
cmp eax, 0x500
je 0x585798
cmp eax, 0x600
je 0x5857f5
cmp eax, edx
jne 0x5856a7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5857c3
mov ecx, dword [0x5db11c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5857c3
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5857df
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5857df
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5857e8
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5857fe
or dword [ebp - 0xc], 0x8000000
jmp 0x585809
mov dword [ebp - 0x14], 5
jmp 0x58579f
test al, 0x10
je 0x585809
or dword [ebp - 0xc], 0x10000000
call fcn.00581883
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x58582f
call fcn.0056f194
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0056f181
mov dword [eax], 0x18
jmp 0x5858bd
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 0x5858c9
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x585895
test byte [ebp + 0x10], 1
je 0x585895
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 0x5858c9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x612d20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0056f1a7
pop ecx
call fcn.0056f181
mov eax, dword [eax]
jmp 0x585d57
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x58591a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x612d20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0056f1a7
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5858bd
call fcn.0056f181
mov dword [eax], 0xd
jmp 0x5858bd
cmp eax, 2
jne 0x585925
or byte [ebp - 1], 0x40
jmp 0x58592e
cmp eax, 3
jne 0x58592e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00581652
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x612d20]
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 + 0x612d20]
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 0x585a04
test cl, 0x80
je 0x585ad4
test byte [ebp + 0x10], 2
je 0x585a04
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00577881
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5859c2
call fcn.0056f194
cmp dword [eax], 0x83
je 0x585a04
push dword [esi]
call fcn.00577ab7
jmp 0x5858bc
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0057ba1a
add esp, 0xc
test eax, eax
jne 0x5859f4
cmp word [ebp - 0x2c], 0x1a
jne 0x5859f4
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00586df2
add esp, 0xc
cmp eax, edi
je 0x5859b6
push ebx
push ebx
push dword [esi]
call fcn.00577881
add esp, 0xc
cmp eax, edi
je 0x5859b6
test byte [ebp - 1], 0x80
je 0x585ad4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x585a2c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x585a29
or dword [ebp + 0x10], edi
jmp 0x585a2c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x585a79
cmp eax, 0x10000
je 0x585a65
cmp eax, 0x14000
je 0x585a65
cmp eax, 0x20000
je 0x585a73
cmp eax, 0x24000
je 0x585a73
cmp eax, 0x40000
je 0x585a5f
cmp eax, 0x44000
jne 0x585a7c
mov byte [ebp - 2], 1
jmp 0x585a7c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x585a7c
mov byte [ebp - 2], 2
jmp 0x585a7c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x585ad4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x585ad4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x585c2e
cmp eax, 0x80000000
je 0x585bf5
cmp eax, ecx
jne 0x585ad4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x585ad4
cmp eax, 2
jbe 0x585cd6
cmp eax, 4
jbe 0x585bc7
cmp eax, 5
je 0x585cd6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x612d20]
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 + 0x612d20]
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 0x585b46
test byte [ebp + 0x10], 8
je 0x585b46
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x612d20]
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 0x585d55
test byte [ebp + 0x10], 1
je 0x585d55
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 0x585d3e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0056f1a7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x612d20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005816cf
pop ecx
jmp 0x5858bc
push 2
push ebx
push ebx
push dword [esi]
call fcn.0058126c
add esp, 0x10
or eax, edx
je 0x585cd6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0058126c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5859b6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0057ba1a
add esp, 0xc
cmp eax, 0xffffffff
je 0x5859b6
cmp eax, 2
je 0x585c7a
cmp eax, 3
jne 0x585cc8
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x585c7a
mov byte [ebp - 2], 1
jmp 0x585ad4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x585ad4
cmp eax, 2
jbe 0x585cd6
cmp eax, 4
ja 0x585acb
push 2
push ebx
push ebx
push dword [esi]
call fcn.0058126c
add esp, 0x10
or eax, edx
je 0x585cd6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0058126c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x585ad4
jmp 0x5859b6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x585ca2
push dword [esi]
call fcn.00577ab7
pop ecx
call fcn.0056f181
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x585d57
cmp eax, 0xfeff
jne 0x585cc8
push ebx
push 2
push dword [esi]
call fcn.00577881
add esp, 0xc
cmp eax, 0xffffffff
je 0x5859b6
mov byte [ebp - 2], 2
jmp 0x585ad4
push ebx
push ebx
push dword [esi]
call fcn.00577881
add esp, 0xc
jmp 0x585c6c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x585cf6
dec eax
jne 0x585ad4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x585d04
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.00577372
add esp, 0xc
cmp eax, 0xffffffff
je 0x585d2a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x585d04
jmp 0x585ad4
push dword [esi]
call fcn.00577ab7
pop ecx
call fcn.0056f181
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x585d57
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x612d20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret