Function at 0x4de400
Capabilities:
Encrypt data using rc4 prga

Disassembly:
sub esp, 0x60
push ebx
mov ebx, dword [esp + 0x70]
push ebp
push esi
push edi
push ebx
call fcn.004583c1
mov ebp, dword [esp + 0x78]
push ebp
mov byte [esp + 0x80], al
call fcn.004583c1
test al, al
je 0x4de51c
cmp byte [esp + 0x7c], 0
je 0x4de643
push ebx
mov ecx, ebp
call fcn.004d39f6
mov esi, dword [sym.imp.WS2_32.dll_ntohl]
test al, al
je 0x4de44c
push dword [ebp + 0xc]
jmp 0x4de44f
push dword [ebx + 0xc]
call esi
push ebx
mov ecx, ebp
mov dword [esp + 0x14], eax
call fcn.004d39f6
test al, al
je 0x4de466
push dword [ebx + 0xc]
jmp 0x4de469
push dword [ebp + 0xc]
call esi
mov edx, dword [esp + 0x10]
mov ecx, eax
mov dword [esp + 0x14], ecx
xor ecx, edx
not ecx
cmp ecx, 0xffffffff
jne 0x4de4b4
movzx ebp, word [ebp + 0x10]
movzx ebx, word [ebx + 0x10]
mov esi, dword [sym.imp.WS2_32.dll_htons]
cmp bp, bx
jae 0x4de497
push ebp
call esi
push ebx
jmp 0x4de49b
push ebx
call esi
push ebp
movzx edi, ax
shl edi, 0x10
call esi
movzx eax, ax
or eax, edi
mov dword [esp + 0x7c], eax
lea eax, [esp + 0x7c]
push 4
jmp 0x4de50f
mov esi, 0xffffff00
mov eax, ecx
and eax, esi
cmp eax, esi
mov esi, dword [sym.imp.WS2_32.dll_htonl]
jne 0x4de4de
push edx
call esi
push dword [esp + 0x14]
mov dword [esp + 0x14], eax
call esi
mov dword [esp + 0x14], eax
lea eax, [esp + 0x10]
jmp 0x4de50d
mov eax, 0xffff0000
mov edi, 0xffffff55
and ecx, eax
cmp ecx, eax
je 0x4de4f3
mov edi, 0xffff5555
and edx, edi
push edx
call esi
mov dword [esp + 0x20], eax
mov eax, dword [esp + 0x14]
and eax, edi
push eax
call esi
mov dword [esp + 0x24], eax
lea eax, [esp + 0x20]
push 8
push eax
call fcn.0053542a
push 5
jmp 0x4de628
cmp byte [esp + 0x7c], 0
jne 0x4de643
push ebx
mov ecx, ebp
call fcn.004d39f6
lea edi, [esp + 0x20]
test al, al
mov eax, edi
mov esi, ebp
mov dword [esp + 0x7c], eax
jne 0x4de541
mov esi, ebx
movsd dword es:[edi], dword [esi]
mov ecx, ebp
push ebx
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov esi, eax
lea edi, [esp + 0x54]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
call fcn.004d39f6
lea edi, [esp + 0x10]
mov esi, ebx
mov edx, edi
test al, al
jne 0x4de565
mov esi, ebp
movsd dword es:[edi], dword [esi]
xor ecx, ecx
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov esi, edx
lea edi, [esp + 0x60]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
lea esi, [esp + 0x50]
lea edi, [esp + 0x60]
mov eax, dword [esi + ecx*4]
cmp eax, dword [edi + ecx*4]
jne 0x4de5c1
inc ecx
cmp ecx, 4
jne 0x4de57d
movzx ebp, word [ebp + 0x10]
movzx ebx, word [ebx + 0x10]
mov esi, dword [sym.imp.WS2_32.dll_htons]
cmp bp, bx
jae 0x4de5a4
push ebp
call esi
push ebx
jmp 0x4de5a8
push ebx
call esi
push ebp
movzx edi, ax
shl edi, 0x10
call esi
movzx eax, ax
or eax, edi
mov dword [esp + 0x7c], eax
lea eax, [esp + 0x7c]
push 4
jmp 0x4de620
mov esi, dword [esp + 0x7c]
lea edi, [esp + 0x30]
push 0x30
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
mov esi, edx
lea edi, [esp + 0x44]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
pop edi
mov eax, edi
cdq
and edx, 7
lea esi, [edx + eax]
sar esi, 3
lea eax, [esp + 0x60]
push esi
push eax
lea eax, [esp + 0x58]
push eax
call fcn.0066699e
add esp, 0xc
test eax, eax
jne 0x4de615
add edi, 8
cmp edi, 0x80
jle 0x4de5da
jmp 0x4de61a
and byte [esp + esi + 0x30], 0x55
and byte [esp + esi + 0x40], 0x55
inc esi
cmp esi, 0x10
jl 0x4de60a
push 0x20
lea eax, [esp + 0x34]
push eax
call fcn.0053542a
push 0xa
cmp byte [esp + 0x84], 0
mov ecx, eax
pop edx
je 0x4de638
add edx, 0xa
mov eax, dword [esp + 0x74]
mov dword [eax], edx
mov dword [eax + 4], ecx
jmp 0x4de64e
mov eax, dword [esp + 0x74]
or dword [eax], 0xffffffff
and dword [eax + 4], 0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x60
ret 0x10