Function at 0x5544f3
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 0x554522
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x55452c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005577be
test eax, eax
pop ecx
je 0x554547
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00536526
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00540cf1
test eax, eax
pop ecx
je 0x554562
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00536526
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x55457f
test ecx, 0x74000
jne 0x55457b
cmp dword [ebp - 0x24], eax
je 0x55457f
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x5545d9
dec eax
je 0x5545c3
dec eax
je 0x5545be
call fcn.0053fba9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0053fb96
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00536622
add esp, 0x14
jmp 0x554b8b
mov dword [ebp - 8], edx
jmp 0x5545dc
test cl, 8
je 0x5545d0
test ecx, 0x70000
jne 0x5545be
mov dword [ebp - 8], 0x40000000
jmp 0x5545dc
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x55461d
sub eax, ecx
je 0x554614
sub eax, ecx
je 0x55460b
sub eax, ecx
je 0x554602
sub eax, 0x40
jne 0x554598
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x554620
mov dword [ebp - 0x10], 3
jmp 0x554620
mov dword [ebp - 0x10], 2
jmp 0x554620
mov dword [ebp - 0x10], 1
jmp 0x554620
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 0x554673
je 0x55466a
cmp eax, ebx
je 0x55466a
cmp eax, edi
je 0x554661
cmp eax, 0x200
je 0x5546e6
cmp eax, 0x300
jne 0x554598
mov dword [ebp - 0x14], 2
jmp 0x554690
mov dword [ebp - 0x14], 4
jmp 0x554690
mov dword [ebp - 0x14], 3
jmp 0x554690
cmp eax, 0x500
je 0x554689
cmp eax, 0x600
je 0x5546e6
cmp eax, edx
jne 0x554598
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5546b4
mov ecx, dword [0x689b80]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5546b4
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5546d0
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5546d0
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5546d9
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5546ef
or dword [ebp - 0xc], 0x8000000
jmp 0x5546fa
mov dword [ebp - 0x14], 5
jmp 0x554690
test al, 0x10
je 0x5546fa
or dword [ebp - 0xc], 0x10000000
call fcn.0055336f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x554720
call fcn.0053fba9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0053fb96
mov dword [eax], 0x18
jmp 0x5547ae
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 0x5547ba
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x554786
test byte [ebp + 0x10], 1
je 0x554786
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 0x5547ba
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6d2dc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0053fbbc
pop ecx
call fcn.0053fb96
mov eax, dword [eax]
jmp 0x554c47
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x55480b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6d2dc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0053fbbc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5547ae
call fcn.0053fb96
mov dword [eax], 0xd
jmp 0x5547ae
cmp eax, 2
jne 0x554816
or byte [ebp - 1], 0x40
jmp 0x55481f
cmp eax, 3
jne 0x55481f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0055313e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x6d2dc0]
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 + 0x6d2dc0]
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 0x5548f4
test cl, 0x80
je 0x5549c4
test byte [ebp + 0x10], 2
je 0x5548f4
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0054779e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5548b3
call fcn.0053fba9
cmp dword [eax], 0x83
je 0x5548f4
push dword [esi]
call fcn.00547343
jmp 0x5547ad
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0055350e
add esp, 0xc
test eax, eax
jne 0x5548e4
cmp byte [ebp - 4], 0x1a
jne 0x5548e4
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0055754e
add esp, 0xc
cmp eax, edi
je 0x5548a7
push ebx
push ebx
push dword [esi]
call fcn.0054779e
add esp, 0xc
cmp eax, edi
je 0x5548a7
test byte [ebp - 1], 0x80
je 0x5549c4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x55491c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x554919
or dword [ebp + 0x10], edi
jmp 0x55491c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x554969
cmp eax, 0x10000
je 0x554955
cmp eax, 0x14000
je 0x554955
cmp eax, 0x20000
je 0x554963
cmp eax, 0x24000
je 0x554963
cmp eax, 0x40000
je 0x55494f
cmp eax, 0x44000
jne 0x55496c
mov byte [ebp - 2], 1
jmp 0x55496c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x55496c
mov byte [ebp - 2], 2
jmp 0x55496c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5549c4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5549c4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x554b1e
cmp eax, 0x80000000
je 0x554ae5
cmp eax, ecx
jne 0x5549c4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5549c4
cmp eax, 2
jbe 0x554bc6
cmp eax, 4
jbe 0x554ab7
cmp eax, 5
je 0x554bc6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6d2dc0]
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 + 0x6d2dc0]
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 0x554a36
test byte [ebp + 0x10], 8
je 0x554a36
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6d2dc0]
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 0x554c45
test byte [ebp + 0x10], 1
je 0x554c45
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 0x554c2e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0053fbbc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6d2dc0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005531bb
pop ecx
jmp 0x5547ad
push 2
push ebx
push ebx
push dword [esi]
call fcn.0055189f
add esp, 0x10
or eax, edx
je 0x554bc6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0055189f
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5548a7
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0055350e
add esp, 0xc
cmp eax, 0xffffffff
je 0x5548a7
cmp eax, 2
je 0x554b6a
cmp eax, 3
jne 0x554bb8
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x554b6a
mov byte [ebp - 2], 1
jmp 0x5549c4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5549c4
cmp eax, 2
jbe 0x554bc6
cmp eax, 4
ja 0x5549bb
push 2
push ebx
push ebx
push dword [esi]
call fcn.0055189f
add esp, 0x10
or eax, edx
je 0x554bc6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0055189f
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5549c4
jmp 0x5548a7
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x554b92
push dword [esi]
call fcn.00547343
pop ecx
call fcn.0053fb96
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x554c47
cmp eax, 0xfeff
jne 0x554bb8
push ebx
push 2
push dword [esi]
call fcn.0054779e
add esp, 0xc
cmp eax, 0xffffffff
je 0x5548a7
mov byte [ebp - 2], 2
jmp 0x5549c4
push ebx
push ebx
push dword [esi]
call fcn.0054779e
add esp, 0xc
jmp 0x554b5c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x554be6
dec eax
jne 0x5549c4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x554bf4
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.00547159
add esp, 0xc
cmp eax, 0xffffffff
je 0x554c1a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x554bf4
jmp 0x5549c4
push dword [esi]
call fcn.00547343
pop ecx
call fcn.0053fb96
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x554c47
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6d2dc0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret