Function at 0x40aad0
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 0x40aae5
push esi
call fcn.0040adf0
jmp 0x40aaeb
push esi
call fcn.0040b280
add esp, 4
lea ebp, [esi + 0x9272]
cmp ebp, dword [esi + 0x28]
jae 0x40ad7a
mov ebx, 1
jmp 0x40ab1e
mov ebx, dword [esp]
shr ebx, 1
cmp ebp, dword [esi + 0x28]
jae 0x40ad80
cmp ebx, 1
jne 0x40ab2e
movzx ebx, byte [ebp]
inc ebp
or ebx, 0x100
test bl, 1
jne 0x40aba0
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 0x40ab81
jmp 0x40ab13
shr edx, 8
mov dword [esi + 0x48], edx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40ab13
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x40ab70
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40ab70
movzx eax, byte [ebp]
mov edi, eax
movzx eax, word [eax + eax + 0x44502e]
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 0x40ac51
mov dword [esp], ebx
movzx ebx, byte [edi + 0x445288]
and edi, dword [ebx*4 + 0x445244]
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 0x40ac8e
mov dword [esp + 8], edx
mov edx, ebp
shl edx, 8
add edx, dword [esp + 4]
cmp edx, 0x200
jb 0x40acb0
lea ecx, [ebp + 0x444fae]
lea ebp, [ebp + 0x445588]
jmp 0x40acbc
shr edx, 8
mov dword [esi + 0x48], edx
add eax, 0xfffffff8
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x40abe3
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x40ac40
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40ac40
shr edx, 8
mov dword [esi + 0x48], edx
mov ecx, eax
not ecx
and ecx, 8
and eax, 0xfffffff7
sub eax, ecx
mov dword [esi + 0x44], eax
cmp eax, 7
jbe 0x40ac0d
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x40ac70
lea eax, [ecx + 1]
mov dword [esi + 0x30], eax
mov byte [ecx], dl
mov eax, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40ac70
lea ecx, [edx + 0x444dae]
lea ebp, [edx + 0x445388]
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 0x40ad61
mov ebp, dword [esp + 0xc]
add ebp, 3
and edx, dword [eax*4 + 0x445244]
shl edx, cl
or edx, ebx
mov dword [esi + 0x48], edx
add ecx, eax
mov dword [esi + 0x44], ecx
cmp ecx, 8
jb 0x40ab10
mov ebx, dword [esp]
jmp 0x40ad2e
shr edx, 8
mov dword [esi + 0x48], edx
mov eax, ecx
xor eax, 8
and ecx, 0xfffffff7
add ecx, ecx
sub ecx, eax
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40ab13
mov eax, dword [esi + 0x30]
cmp eax, dword [esi + 0x34]
jae 0x40ad10
lea ecx, [eax + 1]
mov dword [esi + 0x30], ecx
mov byte [eax], dl
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
jmp 0x40ad10
shr ebx, 8
mov dword [esi + 0x48], ebx
add ecx, 0xfffffff8
mov dword [esi + 0x44], ecx
cmp ecx, 7
jbe 0x40ace8
mov ebp, dword [esi + 0x30]
cmp ebp, dword [esi + 0x34]
jae 0x40ad50
lea ecx, [ebp + 1]
mov dword [esi + 0x30], ecx
mov byte [ebp], bl
mov ecx, dword [esi + 0x44]
mov ebx, dword [esi + 0x48]
jmp 0x40ad50
mov ecx, dword [esi + 0x44]
mov edx, dword [esi + 0x48]
movzx edi, byte [esi + 0x9012]
movzx eax, word [esi + 0x8a52]
shl eax, cl
or eax, edx
mov dword [esi + 0x48], eax
add edi, ecx
mov dword [esi + 0x44], edi
cmp edi, 8
jae 0x40add1
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 0x40ad9f
mov ecx, dword [esi + 0x30]
cmp ecx, dword [esi + 0x34]
jae 0x40adc0
lea edx, [ecx + 1]
mov dword [esi + 0x30], edx
mov byte [ecx], al
mov edi, dword [esi + 0x44]
mov eax, dword [esi + 0x48]
jmp 0x40adc0