Function at 0x419b85
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
cmp dword [ecx], 0xffffffff
je 0x419bf7
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x38
mov ebx, ecx
push 0x1006c792
push dword [0x449560]
call fcn.0043c370
add esp, 8
lea ecx, [esp + 0x10]
push 8
push 2
push ecx
push dword [ebx]
call eax
test eax, eax
jg 0x419bfc
cmp dword [ebx], 0xffffffff
je 0x419bfc
push 0xea8d1240
push dword [0x449560]
call fcn.0043c370
add esp, 8
push 2
push dword [ebx]
call eax
push 0xa3d60213
push dword [0x449560]
call fcn.0043c370
add esp, 8
push dword [ebx]
call eax
mov dword [ebx], 0xffffffff
jmp 0x419f30
xor eax, eax
ret 4
test eax, eax
jle 0x419f30
movzx eax, byte [esp + 0x11]
mov ecx, eax
and ecx, 0x7f
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], 0
cmp ecx, 0x7f
je 0x419cb2
cmp ecx, 0x7e
jne 0x419d43
mov word [esp], 0
push 0x1006c792
push dword [0x449560]
call fcn.0043c370
add esp, 8
mov ecx, esp
push 8
push 2
push ecx
push dword [ebx]
call eax
test eax, eax
setg dl
jg 0x419c96
cmp dword [ebx], 0xffffffff
je 0x419c96
push 0xea8d1240
push dword [0x449560]
mov esi, edx
call fcn.0043c370
add esp, 8
push 2
push dword [ebx]
call eax
push 0xa3d60213
push dword [0x449560]
call fcn.0043c370
add esp, 8
push dword [ebx]
call eax
mov edx, esi
mov dword [ebx], 0xffffffff
movzx eax, word [esp]
rol ax, 8
movzx eax, ax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], 0
jmp 0x419d38
mov dword [esp + 4], 0
mov dword [esp], 0
push 0x1006c792
push dword [0x449560]
call fcn.0043c370
add esp, 8
mov ecx, esp
push 8
push 8
push ecx
push dword [ebx]
call eax
test eax, eax
setg dl
jg 0x419d25
cmp dword [ebx], 0xffffffff
je 0x419d25
push 0xea8d1240
push dword [0x449560]
mov esi, edx
call fcn.0043c370
add esp, 8
push 2
push dword [ebx]
call eax
push 0xa3d60213
push dword [0x449560]
call fcn.0043c370
add esp, 8
push dword [ebx]
call eax
mov edx, esi
mov dword [ebx], 0xffffffff
mov eax, dword [esp]
mov ecx, dword [esp + 4]
bswap ecx
bswap eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x18], ecx
movzx eax, byte [esp + 0x11]
test al, al
jns 0x419db5
jmp 0x419d49
xor edx, edx
test al, al
jns 0x419db5
mov edi, edx
lea esi, [esp + 0x20]
push 0x1006c792
push dword [0x449560]
call fcn.0043c370
add esp, 8
push 8
push 4
push esi
push dword [ebx]
call eax
test eax, eax
setg al
jg 0x419f26
cmp dword [ebx], 0xffffffff
mov edx, edi
je 0x419db7
push 0xea8d1240
push dword [0x449560]
call fcn.0043c370
add esp, 8
push 2
push dword [ebx]
call eax
push 0xa3d60213
push dword [0x449560]
call fcn.0043c370
add esp, 8
push dword [ebx]
call eax
mov edx, edi
mov dword [ebx], 0xffffffff
xor eax, eax
test dl, dl
je 0x419f30
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x18]
inc eax
push eax
call fcn.00408740
add esp, 4
mov dword [esp + 0x24], eax
xor edi, edi
xor ecx, ecx
mov dword [esp + 0x2c], ebx
jmp 0x419df1
add edi, ecx
mov ecx, dword [esp + 0x30]
adc ecx, 0
test eax, eax
jle 0x419e84
mov esi, dword [esp + 0x18]
cmp edi, esi
mov eax, ecx
sbb eax, dword [esp + 0x1c]
jae 0x419e84
mov dword [esp + 0x30], ecx
sub esi, edi
cmp esi, 0xffff
jl 0x419e16
mov esi, 0xffff
mov ebx, dword [esp + 0x24]
add ebx, edi
push 0x1006c792
push dword [0x449560]
call fcn.0043c370
add esp, 8
push 8
push esi
push ebx
mov ebx, dword [esp + 0x38]
push dword [ebx]
call eax
test eax, eax
jg 0x419e44
cmp dword [ebx], 0xffffffff
jne 0x419e4e
mov ecx, eax
test eax, eax
jg 0x419de0
xor ecx, ecx
jmp 0x419de0
push 0xea8d1240
push dword [0x449560]
call fcn.0043c370
add esp, 8
push 2
push dword [ebx]
call eax
push 0xa3d60213
push dword [0x449560]
call fcn.0043c370
add esp, 8
push dword [ebx]
call eax
mov dword [ebx], 0xffffffff
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x1c]
or ecx, eax
setne cl
mov edx, dword [esp + 0x28]
and dl, cl
cmp dl, 1
jne 0x419ed7
mov edi, ebx
xor ecx, ecx
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 0x24]
mov esi, ecx
and esi, 3
movzx ebx, byte [esp + esi + 0x20]
xor byte [eax + ecx], bl
add ecx, 1
adc edx, 0
mov eax, dword [esp + 0x18]
cmp ecx, eax
mov esi, edx
sbb esi, dword [esp + 0x1c]
jb 0x419eb0
mov ebx, edi
mov ecx, dword [esp + 0x24]
mov byte [ecx + eax], 0
cmp byte [ebx + 5], 0
je 0x419ef6
mov eax, esp
mov ecx, ebx
lea edx, [esp + 0x10]
push edx
push eax
call fcn.0041b000
jmp 0x419f05
mov eax, esp
mov ecx, ebx
lea edx, [esp + 0x10]
push edx
push eax
call fcn.0041ae90
mov eax, dword [esp + 0xc]
mov edx, dword [ebp + 8]
mov dword [edx + 0xc], eax
mov eax, dword [esp + 8]
mov dword [edx + 8], eax
mov eax, dword [esp]
mov ecx, dword [esp + 4]
mov dword [edx + 4], ecx
mov dword [edx], eax
mov al, 1
jmp 0x419f32
mov edx, edi
test dl, dl
jne 0x419dbf
xor eax, eax
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret 4