Function at 0x40aec0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0xc
mov esi, ecx
test edx, edx
je 0x40aed5
push esi
call fcn.0040b1b0
jmp 0x40aedb
push esi
call fcn.0040b640
add esp, 4
lea edi, [esi + 0x9272]
cmp edi, dword [esi + 0x28]
jae 0x40b13d
mov eax, 1
jmp 0x40af0f
mov eax, dword [esp + 8]
shr eax, 1
cmp edi, dword [esi + 0x28]
jae 0x40b143
cmp eax, 1
jne 0x40af1d
movzx eax, byte [edi]
inc edi
or eax, 0x100
mov dword [esp + 8], eax
test al, 1
jne 0x40af90
mov ebx, edi
movzx edi, byte [edi]
movzx edx, word [esi + edi*2 + 0x8852]
mov eax, dword [esi + 0x44]
mov ecx, eax
shl edx, cl
inc ebx
movzx ecx, byte [esi + edi + 0x8f12]
or edx, dword [esi + 0x48]
mov dword [esi + 0x48], edx
add ecx, eax
mov dword [esi + 0x44], ecx
mov edi, ebx
cmp ecx, 8
jae 0x40af71
jmp 0x40af00
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40af00
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x40af60
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40af60
movzx eax, byte [edi]
movzx ebp, word [eax + eax + 0x44602e]
movzx edx, word [esi + ebp*2 + 0x8852]
mov ebx, dword [esi + 0x44]
mov ecx, ebx
shl edx, cl
movzx ecx, byte [esi + ebp + 0x8f12]
add ecx, ebx
movzx ebx, byte [edi + 1]
mov dword [esp + 4], ebx
or edx, dword [esi + 0x48]
movzx ebp, byte [edi + 2]
mov dword [esi + 0x48], edx
mov dword [esi + 0x44], ecx
cmp ecx, 8
jae 0x40b021
movzx ebx, byte [eax + 0x446288]
and eax, dword [ebx*4 + 0x446244]
shl eax, cl
or eax, edx
mov dword [esi + 0x48], eax
add ecx, ebx
mov dword [esi + 0x44], ecx
cmp ecx, 8
jae 0x40b051
mov edx, ebp
shl edx, 8
add edx, dword [esp + 4]
cmp edx, 0x200
mov dword [esp], edi
jb 0x40b070
lea ebx, [ebp + 0x445fae]
lea ebp, [ebp + 0x446588]
jmp 0x40b07c
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40afce
mov ebx, dword [esi + 0x30]
cmp ebx, dword [esi + 0x34]
jae 0x40b010
lea ecx, [ebx + 1]
mov dword [esi + 0x30], ecx
mov byte [ebx], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40b010
shr eax, 8
mov dword [esi + 0x48], eax
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40afed
mov edx, dword [esi + 0x30]
cmp edx, dword [esi + 0x34]
jae 0x40b040
lea ecx, [edx + 1]
mov dword [esi + 0x30], ecx
mov byte [edx], al
mov ecx, dword [esi + 0x44]
mov eax, dword [esi + 0x48]
jmp 0x40b040
lea ebx, [edx + 0x445dae]
lea ebp, [edx + 0x446388]
movzx edi, byte [ebx]
movzx ebx, word [esi + edi*2 + 0x8a92]
shl ebx, cl
or ebx, eax
movzx eax, byte [esi + edi + 0x9032]
add eax, ecx
movzx ebp, byte [ebp]
mov dword [esi + 0x48], ebx
mov dword [esi + 0x44], eax
cmp eax, 8
jb 0x40b0e0
mov edi, dword [esp]
jmp 0x40b0c1
shr ebx, 8
mov dword [esi + 0x48], ebx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x40b0e3
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x40b0b0
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], bl
mov eax, dword [esi + 0x44]
mov ebx, dword [esi + 0x48]
jmp 0x40b0b0
mov edi, dword [esp]
add edi, 3
and edx, dword [ebp*4 + 0x446244]
mov ecx, eax
shl edx, cl
or edx, ebx
mov dword [esi + 0x48], edx
mov ecx, eax
and ecx, ebp
xor eax, ebp
lea ecx, [eax + ecx*2]
mov dword [esi + 0x44], ecx
cmp ecx, 8
jae 0x40b125
jmp 0x40af00
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40af00
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x40b110
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40b110
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 0x40b191
mov ecx, dword [esi + 0x30]
xor eax, eax
cmp ecx, dword [esi + 0x34]
setb al
add esp, 0xc
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 0x40b162
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x40b180
lea edx, [ecx + 1]
mov dword [esi + 0x30], edx
mov byte [ecx], al
mov edi, dword [esi + 0x44]
mov eax, dword [esi + 0x48]
jmp 0x40b180