Function at 0x59bb82
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 0x59bbb1
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x59bbbb
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005a3992
test eax, eax
pop ecx
je 0x59bbd6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0057d4d4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00582baa
test eax, eax
pop ecx
je 0x59bbf1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0057d4d4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x59bc0e
test ecx, 0x74000
jne 0x59bc0a
cmp dword [ebp - 0x24], eax
je 0x59bc0e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x59bc68
dec eax
je 0x59bc52
dec eax
je 0x59bc4d
call fcn.0057eaa0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0057ea8d
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0057d608
add esp, 0x14
jmp 0x59c21a
mov dword [ebp - 8], edx
jmp 0x59bc6b
test cl, 8
je 0x59bc5f
test ecx, 0x70000
jne 0x59bc4d
mov dword [ebp - 8], 0x40000000
jmp 0x59bc6b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x59bcac
sub eax, ecx
je 0x59bca3
sub eax, ecx
je 0x59bc9a
sub eax, ecx
je 0x59bc91
sub eax, 0x40
jne 0x59bc27
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x59bcaf
mov dword [ebp - 0x10], 3
jmp 0x59bcaf
mov dword [ebp - 0x10], 2
jmp 0x59bcaf
mov dword [ebp - 0x10], 1
jmp 0x59bcaf
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 0x59bd02
je 0x59bcf9
cmp eax, ebx
je 0x59bcf9
cmp eax, edi
je 0x59bcf0
cmp eax, 0x200
je 0x59bd75
cmp eax, 0x300
jne 0x59bc27
mov dword [ebp - 0x14], 2
jmp 0x59bd1f
mov dword [ebp - 0x14], 4
jmp 0x59bd1f
mov dword [ebp - 0x14], 3
jmp 0x59bd1f
cmp eax, 0x500
je 0x59bd18
cmp eax, 0x600
je 0x59bd75
cmp eax, edx
jne 0x59bc27
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x59bd43
mov ecx, dword [0x6e4bf0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x59bd43
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x59bd5f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x59bd5f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x59bd68
or dword [ebp - 0xc], edi
test al, 0x20
je 0x59bd7e
or dword [ebp - 0xc], 0x8000000
jmp 0x59bd89
mov dword [ebp - 0x14], 5
jmp 0x59bd1f
test al, 0x10
je 0x59bd89
or dword [ebp - 0xc], 0x10000000
call fcn.0059ab30
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x59bdaf
call fcn.0057eaa0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0057ea8d
mov dword [eax], 0x18
jmp 0x59be3d
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 0x59be49
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x59be15
test byte [ebp + 0x10], 1
je 0x59be15
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 0x59be49
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6e6f40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0057eab3
pop ecx
call fcn.0057ea8d
mov eax, dword [eax]
jmp 0x59c2d6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x59be9a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x6e6f40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0057eab3
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x59be3d
call fcn.0057ea8d
mov dword [eax], 0xd
jmp 0x59be3d
cmp eax, 2
jne 0x59bea5
or byte [ebp - 1], 0x40
jmp 0x59beae
cmp eax, 3
jne 0x59beae
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0059a8ff
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x6e6f40]
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 + 0x6e6f40]
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 0x59bf83
test cl, 0x80
je 0x59c053
test byte [ebp + 0x10], 2
je 0x59bf83
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0058d258
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x59bf42
call fcn.0057eaa0
cmp dword [eax], 0x83
je 0x59bf83
push dword [esi]
call fcn.0058d48e
jmp 0x59be3c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00590b75
add esp, 0xc
test eax, eax
jne 0x59bf73
cmp byte [ebp - 4], 0x1a
jne 0x59bf73
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.005a35d7
add esp, 0xc
cmp eax, edi
je 0x59bf36
push ebx
push ebx
push dword [esi]
call fcn.0058d258
add esp, 0xc
cmp eax, edi
je 0x59bf36
test byte [ebp - 1], 0x80
je 0x59c053
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x59bfab
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x59bfa8
or dword [ebp + 0x10], edi
jmp 0x59bfab
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x59bff8
cmp eax, 0x10000
je 0x59bfe4
cmp eax, 0x14000
je 0x59bfe4
cmp eax, 0x20000
je 0x59bff2
cmp eax, 0x24000
je 0x59bff2
cmp eax, 0x40000
je 0x59bfde
cmp eax, 0x44000
jne 0x59bffb
mov byte [ebp - 2], 1
jmp 0x59bffb
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x59bffb
mov byte [ebp - 2], 2
jmp 0x59bffb
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x59c053
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x59c053
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x59c1ad
cmp eax, 0x80000000
je 0x59c174
cmp eax, ecx
jne 0x59c053
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x59c053
cmp eax, 2
jbe 0x59c255
cmp eax, 4
jbe 0x59c146
cmp eax, 5
je 0x59c255
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6e6f40]
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 + 0x6e6f40]
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 0x59c0c5
test byte [ebp + 0x10], 8
je 0x59c0c5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6e6f40]
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 0x59c2d4
test byte [ebp + 0x10], 1
je 0x59c2d4
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 0x59c2bd
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0057eab3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6e6f40]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0059a97c
pop ecx
jmp 0x59be3c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0059a562
add esp, 0x10
or eax, edx
je 0x59c255
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0059a562
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x59bf36
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00590b75
add esp, 0xc
cmp eax, 0xffffffff
je 0x59bf36
cmp eax, 2
je 0x59c1f9
cmp eax, 3
jne 0x59c247
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x59c1f9
mov byte [ebp - 2], 1
jmp 0x59c053
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x59c053
cmp eax, 2
jbe 0x59c255
cmp eax, 4
ja 0x59c04a
push 2
push ebx
push ebx
push dword [esi]
call fcn.0059a562
add esp, 0x10
or eax, edx
je 0x59c255
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0059a562
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x59c053
jmp 0x59bf36
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x59c221
push dword [esi]
call fcn.0058d48e
pop ecx
call fcn.0057ea8d
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x59c2d6
cmp eax, 0xfeff
jne 0x59c247
push ebx
push 2
push dword [esi]
call fcn.0058d258
add esp, 0xc
cmp eax, 0xffffffff
je 0x59bf36
mov byte [ebp - 2], 2
jmp 0x59c053
push ebx
push ebx
push dword [esi]
call fcn.0058d258
add esp, 0xc
jmp 0x59c1eb
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x59c275
dec eax
jne 0x59c053
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x59c283
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.0058caa5
add esp, 0xc
cmp eax, 0xffffffff
je 0x59c2a9
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x59c283
jmp 0x59c053
push dword [esi]
call fcn.0058d48e
pop ecx
call fcn.0057ea8d
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x59c2d6
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x6e6f40]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret