Function at 0x402620
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x18
mov edi, dword [ecx]
xor eax, eax
cmp byte [edi], 0x22
jne 0x4028d0
mov ebx, edi
jmp 0x40264f
lea ebx, [esi + 2]
mov dword [ecx], ebx
cmp byte [esi + 2], 0
je 0x4028d0
mov esi, ebx
inc ebx
mov dword [ecx], ebx
movzx ebp, byte [esi + 1]
cmp ebp, 0x5c
je 0x402640
test ebp, ebp
je 0x4028d0
cmp ebp, 0x22
jne 0x40264f
mov dword [esp + 0xc], edx
add esi, 2
mov dword [ecx], esi
mov eax, esi
xor eax, edi
mov ecx, edi
not ecx
and ecx, esi
add ecx, ecx
sub ecx, eax
mov dword [esp + 4], ecx
lea eax, [ecx - 1]
push eax
call dword [0x445004]
add esp, 4
mov edx, eax
test eax, eax
je case.0x4026d7.35
mov esi, edx
add dword [esp + 4], 0xfffffffe
je 0x402884
movzx eax, byte [edi + 1]
mov esi, edx
test al, al
je 0x402884
inc edi
mov esi, edx
mov ebp, edi
mov dword [esp], edx
nop
cmp al, 0x5c
jne 0x4026f0
movzx eax, byte [ebp + 1]
add eax, 0xffffffde
cmp eax, 0x53
ja case.0x4026d7.35
lea ebx, [ebp + 1]
jmp dword [eax*4 + 0x4426bc]
mov byte [esi], 0x22
jmp 0x4026fc
cmp al, 0x20
jb case.0x4026d7.35
mov byte [esi], al
mov ebx, ebp
inc esi
movzx eax, byte [ebx + 1]
test al, al
je 0x402884
inc ebx
mov ecx, ebx
sub ecx, edi
mov ebp, ebx
cmp ecx, dword [esp + 4]
jb 0x4026c0
jmp 0x402884
mov byte [esi], 0xa
jmp 0x4026fc
mov byte [esi], 0x2f
jmp 0x4026fc
mov byte [esi], 8
jmp 0x4026fc
lea ecx, [ebp + 2]
lea edx, [esp + 0x14]
call fcn.004028e0
test eax, eax
jne 0x4028c1
mov ecx, dword [esp + 0x14]
cmp ecx, 0x7f
ja 0x40276c
mov byte [esi], cl
mov eax, 1
add ebx, eax
add ebx, 3
mov edx, dword [esp]
jmp 0x4026fc
mov byte [esi], 0x5c
jmp 0x4026fc
mov byte [esi], 0xd
jmp 0x4026fc
mov byte [esi], 0xc
jmp 0x4026fc
mov byte [esi], 9
jmp 0x4026fc
cmp ecx, 0x7ff
mov edx, dword [esp]
ja 0x40278c
mov eax, ecx
shr eax, 6
or al, 0xc0
mov byte [esi], al
and cl, 0x3f
or cl, 0x80
mov byte [esi + 1], cl
inc esi
jmp 0x4027bc
lea eax, [ecx - 0xe000]
cmp eax, 0xfffff7ff
ja 0x4027cb
mov eax, ecx
shr eax, 0xc
and al, 0xf
or al, 0xe0
mov byte [esi], al
mov eax, ecx
shr eax, 6
and al, 0x3f
or al, 0x80
mov byte [esi + 1], al
and cl, 0x3f
or cl, 0x80
mov byte [esi + 2], cl
add esi, 2
mov eax, 1
add ebx, eax
add ebx, 3
jmp 0x4026fc
cmp ecx, 0xdbff
ja 0x4028c1
cmp byte [ebp + 6], 0x5c
jne 0x4028c1
cmp byte [ebp + 7], 0x75
jne 0x4028c1
add ebp, 8
mov dword [esp + 8], ecx
mov ecx, ebp
lea edx, [esp + 0x10]
call fcn.004028e0
mov ecx, dword [esp + 8]
test eax, eax
jne 0x4028c1
mov edx, dword [esp + 0x10]
cmp edx, 0xdc00
jb 0x4028c1
cmp edx, 0xdfff
ja 0x4028c1
shl ecx, 0xa
and ecx, 0xffc00
mov eax, ecx
mov ecx, 0xdbff
sub ecx, edx
or ecx, 0x3ff
lea ebp, [edx + ecx]
add ebp, 0xffff2401
or eax, ebp
lea ecx, [eax + 0x10000]
mov edx, ecx
shr edx, 0x12
or dl, 0xf0
mov byte [esi], dl
shr ecx, 0xc
and cl, 0x3f
or cl, 0x80
mov byte [esi + 1], cl
shr eax, 6
and al, 0x3f
or al, 0x80
mov byte [esi + 2], al
mov eax, ebp
and al, 0x3f
or al, 0x80
mov byte [esi + 3], al
add esi, 3
mov eax, 7
jmp 0x40274e
mov byte [esi], 0
sub esi, edx
lea edi, [esi + 1]
push edi
mov ebx, edx
call dword [0x445004]
mov edx, ebx
add esp, 4
test eax, eax
je case.0x4026d7.35
push edi
push edx
push eax
mov edi, eax
mov ebx, edx
call fcn.004095d0
add esp, 0xc
mov eax, dword [esp + 0xc]
mov dword [eax], esi
push ebx
call dword [section..data]
add esp, 4
mov eax, edi
jmp 0x4028d0
mov edx, dword [esp]
push edx
call dword [section..data]
add esp, 4
xor eax, eax
add esp, 0x18
pop esi
pop edi
pop ebx
pop ebp
ret