Function at 0x406d30
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x10
mov esi, ecx
test edx, edx
je 0x406d45
push esi
call fcn.00407030
jmp 0x406d4b
push esi
call fcn.004074d0
add esp, 4
lea ebp, [esi + 0x9272]
cmp ebp, dword [esi + 0x28]
jae 0x406faa
mov ebx, 1
jmp 0x406d7e
mov ebx, dword [esp]
shr ebx, 1
cmp ebp, dword [esi + 0x28]
jae 0x406fb0
cmp ebx, 1
jne 0x406d8e
movzx ebx, byte [ebp]
inc ebp
or ebx, 0x100
test bl, 1
jne 0x406e00
movzx edi, byte [ebp]
movzx edx, word [esi + edi*2 + 0x8852]
mov eax, dword [esi + 0x44]
mov ecx, eax
shl edx, cl
inc ebp
movzx ecx, byte [esi + edi + 0x8f12]
or edx, dword [esi + 0x48]
mov dword [esi + 0x48], edx
add ecx, eax
mov dword [esi + 0x44], ecx
cmp ecx, 8
jae 0x406de1
jmp 0x406d73
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406d73
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x406dd0
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406dd0
movzx eax, byte [ebp]
mov edi, eax
movzx eax, word [eax + eax + 0x43ebea]
movzx edx, word [esi + eax*2 + 0x8852]
mov ecx, dword [esi + 0x44]
shl edx, cl
movzx eax, byte [esi + eax + 0x8f12]
add eax, ecx
movzx ecx, byte [ebp + 1]
mov dword [esp + 4], ecx
or edx, dword [esi + 0x48]
mov dword [esp + 0xc], ebp
movzx ebp, byte [ebp + 2]
mov dword [esi + 0x48], edx
mov dword [esi + 0x44], eax
cmp eax, 8
jae 0x406ea1
mov dword [esp], ebx
movzx ebx, byte [edi + 0x43ee44]
and edi, dword [ebx*4 + 0x43ee00]
mov ecx, eax
shl edi, cl
or edi, edx
mov edx, edi
mov dword [esi + 0x48], edi
add eax, ebx
mov dword [esi + 0x44], eax
cmp eax, 8
jae 0x406ed1
mov dword [esp + 8], edx
mov edx, ebp
shl edx, 8
add edx, dword [esp + 4]
cmp edx, 0x200
jb 0x406ef0
lea ecx, [ebp + 0x43eb6a]
lea ebp, [ebp + 0x43f144]
jmp 0x406efc
shr edx, 8
mov dword [esi + 0x48], edx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x406e43
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406e90
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406e90
shr edx, 8
mov dword [esi + 0x48], edx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x406e69
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406ec0
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406ec0
lea ecx, [edx + 0x43e96a]
lea ebp, [edx + 0x43ef44]
movzx edi, byte [ecx]
movzx ebx, word [esi + edi*2 + 0x8a92]
mov ecx, eax
shl ebx, cl
or ebx, dword [esp + 8]
movzx ecx, byte [esi + edi + 0x9032]
add ecx, eax
movzx eax, byte [ebp]
mov dword [esi + 0x48], ebx
mov dword [esi + 0x44], ecx
cmp ecx, 8
jae 0x406f91
mov ebp, dword [esp + 0xc]
add ebp, 3
and edx, dword [eax*4 + 0x43ee00]
shl edx, cl
or edx, ebx
mov dword [esi + 0x48], edx
add ecx, eax
mov dword [esi + 0x44], ecx
cmp ecx, 8
jb 0x406d70
mov ebx, dword [esp]
jmp 0x406f65
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406d73
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x406f50
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406f50
shr ebx, 8
mov dword [esi + 0x48], ebx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406f28
mov ebp, dword [esi + 0x30]
cmp ebp, dword [esi + 0x34]
jae 0x406f80
lea ecx, [ebp + 1]
mov dword [esi + 0x30], ecx
mov byte [ebp], bl
mov ecx, dword [esi + 0x44]
mov ebx, dword [esi + 0x48]
jmp 0x406f80
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
movzx eax, word [esi + 0x8a52]
movzx edi, byte [esi + 0x9012]
shl eax, cl
or eax, edx
mov dword [esi + 0x48], eax
add edi, ecx
mov dword [esi + 0x44], edi
cmp edi, 8
jae 0x40700a
mov ecx, dword [esi + 0x30]
xor eax, eax
cmp ecx, dword [esi + 0x34]
setb al
add esp, 0x10
pop esi
pop edi
pop ebx
pop ebp
ret
shr eax, 8
mov dword [esi + 0x48], eax
mov ecx, edi
xor ecx, 8
and edi, 0xfffffff7
add edi, edi
sub edi, ecx
mov dword [esi + 0x44], edi
cmp edi, 7
jbe 0x406fcf
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406ff0
lea edx, [ecx + 1]
mov dword [esi + 0x30], edx
mov byte [ecx], al
mov edi, dword [esi + 0x44]
mov eax, dword [esi + 0x48]
jmp 0x406ff0