Function at 0x406c10
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 0x406c25
push esi
call fcn.00406f20
jmp 0x406c2b
push esi
call fcn.004073b0
add esp, 4
lea ebp, [esi + 0x9272]
cmp ebp, dword [esi + 0x28]
jae 0x406eaa
mov ebx, 1
jmp 0x406c5e
mov ebx, dword [esp]
shr ebx, 1
cmp ebp, dword [esi + 0x28]
jae 0x406eb0
cmp ebx, 1
jne 0x406c6e
movzx ebx, byte [ebp]
inc ebp
or ebx, 0x100
test bl, 1
jne 0x406cf0
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 0x406cce
jmp 0x406c53
shr edx, 8
mov dword [esi + 0x48], edx
mov eax, ecx
and eax, 0xfffffff7
not ecx
mov edi, ecx
and edi, 8
mov ecx, eax
sub ecx, edi
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406c53
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x406cb0
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406cb0
mov dword [esp], ebx
movzx eax, byte [ebp]
mov edi, eax
movzx eax, word [eax + eax + 0x443bea]
movzx edx, word [esi + eax*2 + 0x8852]
mov ecx, dword [esi + 0x44]
shl edx, cl
movzx eax, byte [esi + eax + 0x8f12]
mov ebx, ecx
and ebx, eax
xor ecx, eax
movzx eax, byte [ebp + 1]
mov dword [esp + 4], eax
or edx, dword [esi + 0x48]
lea eax, [ecx + ebx*2]
mov dword [esp + 0xc], ebp
movzx ebp, byte [ebp + 2]
mov dword [esi + 0x48], edx
mov dword [esi + 0x44], eax
cmp eax, 8
jae 0x406da1
movzx ebx, byte [edi + 0x443e44]
and edi, dword [ebx*4 + 0x443e00]
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 0x406dd1
mov dword [esp + 8], edx
mov edx, ebp
shl edx, 8
add edx, dword [esp + 4]
cmp edx, 0x200
jb 0x406df0
lea ecx, [ebp + 0x443b6a]
lea ebp, [ebp + 0x444144]
jmp 0x406dfc
shr edx, 8
mov dword [esi + 0x48], edx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x406d3d
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406d90
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406d90
shr edx, 8
mov dword [esi + 0x48], edx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x406d60
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406dc0
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406dc0
lea ecx, [edx + 0x44396a]
lea ebp, [edx + 0x443f44]
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 0x406e91
mov ebp, dword [esp + 0xc]
add ebp, 3
and edx, dword [eax*4 + 0x443e00]
shl edx, cl
or edx, ebx
mov dword [esi + 0x48], edx
add ecx, eax
mov dword [esi + 0x44], ecx
cmp ecx, 8
jb 0x406c50
mov ebx, dword [esp]
jmp 0x406e65
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406c53
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x406e50
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x406e50
shr ebx, 8
mov dword [esi + 0x48], ebx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x406e28
mov ebp, dword [esi + 0x30]
cmp ebp, dword [esi + 0x34]
jae 0x406e80
lea ecx, [ebp + 1]
mov dword [esi + 0x30], ecx
mov byte [ebp], bl
mov ecx, dword [esi + 0x44]
mov ebx, dword [esi + 0x48]
jmp 0x406e80
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 0x406f01
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
add edi, 0xfffffff8
mov dword [esi + 0x44], edi
cmp edi, 7
jbe 0x406ecf
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x406ef0
lea edx, [ecx + 1]
mov dword [esi + 0x30], edx
mov byte [ecx], al
mov edi, dword [esi + 0x44]
mov eax, dword [esi + 0x48]
jmp 0x406ef0