Function at 0x42dba9
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
and dword [ebp - 0x14], 0
push ebx
push esi
push edi
mov edi, dword [ebp + 0xc]
push edi
call fcn.0042be01
push edi
mov bl, al
call fcn.0042be01
push edi
mov byte [ebp + 0xf], al
call fcn.0042be01
push edi
mov byte [ebp - 1], al
call fcn.0042be01
add esp, 0x10
mov byte [ebp - 2], al
cmp bl, 0xff
jne 0x42dbea
cmp byte [ebp + 0xf], 0xd8
je 0x42dc17
cmp bl, 0x4b
jne 0x42dc01
cmp byte [ebp + 0xf], 0x45
jne 0x42dc01
cmp byte [ebp - 1], 0x59
jne 0x42dc01
cmp byte [ebp - 2], 0
je 0x42dc17
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42dbdf
mov esi, dword [ebp + 8]
or dword [esi + 0x748], 0x20
cmp bl, 0x4b
mov dword [esi + 0x24], 0x4745504a
jne 0x42dc78
push edi
call fcn.0042be01
push edi
call fcn.0042be01
movzx ebx, al
pop ecx
sub ebx, 2
pop ecx
jns 0x42dc59
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42dc43
cmp ebx, 0xe
jb 0x42dd53
push 7
push edi
call fcn.0042bf41
push edi
call fcn.0042be01
add esp, 0xc
sub ebx, 8
jmp 0x42dcf3
cmp byte [ebp - 1], 0xff
jne 0x42dd59
cmp byte [ebp - 2], 0xe0
jne 0x42dd59
push edi
call fcn.0042d8bc
movzx ebx, ax
sub ebx, 2
pop ecx
jns 0x42dcb1
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42dc9b
cmp ebx, 0xe
jb 0x42dd53
push edi
call fcn.0042be7a
push edi
mov dword [ebp + 0xc], eax
call fcn.0042be01
pop ecx
sub ebx, 5
cmp dword [ebp + 0xc], 0x4649464a
pop ecx
jne 0x42dd53
test al, al
jne 0x42dd53
push edi
call fcn.0042be01
push edi
call fcn.0042be01
push edi
call fcn.0042be01
add esp, 0xc
sub ebx, 3
cmp al, 1
jne 0x42dd2c
push edi
call fcn.0042d8bc
movzx eax, ax
imul eax, eax, 0x2710
cdq
mov ecx, 0xfe
push edi
idiv ecx
mov dword [esi + 0x2c], eax
call fcn.0042d8bc
movzx eax, ax
imul eax, eax, 0x2710
pop ecx
pop ecx
cdq
mov ecx, 0xfe
idiv ecx
jmp 0x42dd4d
cmp al, 2
jne 0x42dd53
push edi
call fcn.0042d8bc
movzx eax, ax
imul eax, eax, 0x64
push edi
mov dword [esi + 0x2c], eax
call fcn.0042d8bc
movzx eax, ax
pop ecx
imul eax, eax, 0x64
pop ecx
mov dword [esi + 0x30], eax
sub ebx, 4
push ebx
jmp 0x42e2e8
push 2
push edi
call fcn.0042c7ec
pop ecx
pop ecx
push edi
call fcn.0042be01
cmp al, 0xff
pop ecx
jne 0x42dd63
push edi
call fcn.0042be01
mov bl, al
pop ecx
cmp bl, 0xff
je 0x42dd6e
cmp bl, 0xda
je 0x42e34b
test bl, bl
je 0x42dd63
push edi
call fcn.0042d8bc
movzx eax, ax
sub eax, 2
pop ecx
mov dword [ebp - 8], eax
js 0x42e2f3
cmp bl, 0xc0
je 0x42dfcf
cmp bl, 0xc1
je 0x42dfcf
cmp bl, 0xc2
je 0x42dfd4
cmp bl, 0xc3
je 0x42dfcf
cmp bl, 0xb9
je 0x42dfcf
cmp bl, 0xe1
jne 0x42df75
cmp eax, 4
jb 0x42e2e5
push 4
lea eax, [ebp - 0x18]
pop ebx
push ebx
push eax
push edi
call fcn.0042be9c
sub dword [ebp - 8], ebx
lea eax, [ebp - 0x18]
push 0x44ba70
push eax
call fcn.004305c6
add esp, 0x14
test eax, eax
jne 0x42df21
cmp dword [ebp - 8], ebx
jb 0x42e2e5
push edi
call fcn.0042be01
movzx eax, al
push edi
mov dword [esi + 0x47c], eax
call fcn.0042be01
push edi
mov byte [esi + 0x774], al
call fcn.0042be01
push edi
mov byte [esi + 0x775], al
call fcn.0042be01
sub dword [ebp - 8], ebx
or byte [esi + 0x74a], 2
movzx eax, al
add esp, 0x10
xor eax, 1
cmp dword [esi + 0x47c], 2
mov dword [esi + 0x480], eax
jl 0x42e2e5
cmp dword [ebp - 8], 0xc
jb 0x42e2e5
push 8
push edi
call fcn.0042bf41
push edi
call fcn.0042be57
movzx eax, ax
push edi
mov dword [esi + 0x34], eax
call fcn.0042be57
sub dword [ebp - 8], 0xc
or byte [esi + 0x749], 6
movzx eax, ax
add esp, 0x10
mov dword [esi + 0x38], eax
test byte [esi + 0x745], 0x80
je 0x42e2e5
mov eax, dword [esi + 0x34]
test eax, eax
je 0x42e2e5
lea eax, [eax + eax*2]
cmp dword [ebp - 8], eax
jae 0x42ded5
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
mov eax, dword [esi + 0x34]
pop ecx
pop ecx
jmp 0x42deb4
and dword [ebp + 0xc], 0
cmp dword [esi + 0x34], 0
jbe 0x42df15
lea ebx, [esi + 0x3d]
push edi
call fcn.0042be01
push edi
mov byte [ebx - 1], al
call fcn.0042be01
push edi
mov byte [ebx], al
call fcn.0042be01
sub dword [ebp - 8], 3
mov byte [ebx + 1], al
and byte [ebx + 2], 0
add esp, 0xc
inc dword [ebp + 0xc]
add ebx, 4
mov eax, dword [ebp + 0xc]
cmp eax, dword [esi + 0x34]
jb 0x42dee2
or byte [esi + 0x749], 0x80
jmp 0x42e2e5
push ebx
lea eax, [ebp - 0x18]
push 0x44ba68
push eax
call fcn.0043052e
add esp, 0xc
test eax, eax
jne 0x42e2e5
cmp dword [ebp - 8], 2
jb 0x42e2e5
dec dword [ebp - 8]
push edi
call fcn.0042be01
test al, al
pop ecx
jne 0x42e2e5
dec dword [ebp - 8]
push edi
call fcn.0042be01
test al, al
pop ecx
jne 0x42e2e5
or dword [esi + 0x738], 1
jmp 0x42e2e5
cmp bl, 0xfe
jne 0x42e2e5
mov ecx, dword [esi + 0x48c]
test ecx, ecx
je 0x42e2e5
mov eax, dword [esi + 0x484]
test eax, eax
jle 0x42e2e5
lea ebx, [eax - 1]
cmp ebx, dword [ebp - 8]
jb 0x42dfa5
mov ebx, dword [ebp - 8]
push ebx
push ecx
push edi
call fcn.0042be9c
mov eax, dword [esi + 0x48c]
add esp, 0xc
and byte [ebx + eax], 0
or byte [esi + 0x749], 0x40
sub dword [ebp - 8], ebx
mov dword [esi + 0x488], ebx
jmp 0x42e2e5
cmp bl, 0xc2
jne 0x42dfdd
mov dword [esi + 0x24], 0x47504a50
jmp 0x42dffe
cmp bl, 0xb9
jne 0x42dfeb
mov dword [esi + 0x24], 0x4547504a
jmp 0x42dffe
cmp bl, 0xc3
jne 0x42dffe
mov dword [ebp - 0x14], 1
mov dword [esi + 0x24], 0x4c47504a
sub dword [ebp - 8], 6
js 0x42e309
push edi
call fcn.0042be01
push edi
mov byte [ebp + 0xb], al
call fcn.0042d8bc
push edi
mov ebx, eax
call fcn.0042d8bc
push edi
mov dword [ebp - 0x10], eax
call fcn.0042be01
movzx ecx, word [ebp - 0x10]
mov dword [esi + 0x18], ecx
or dword [esi + 0x748], 0x16
movzx ecx, bx
mov bl, byte [ebp + 0xb]
add esp, 0x10
neg ecx
mov dword [esi + 0x1c], ecx
mov byte [ebp + 0xf], al
movzx cx, al
movzx dx, bl
imul ecx, edx
cmp dword [ebp - 0x14], 0
mov word [esi + 0x22], cx
je 0x42e0ad
cmp al, 1
je 0x42e07d
mov al, byte [ebp + 0xf]
cmp al, 3
je 0x42e07d
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e060
cmp bl, 0x10
ja 0x42e31f
cmp al, 3
jne 0x42e113
cmp bl, 8
je 0x42e12b
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e08e
cmp bl, 8
je 0x42e0cd
cmp bl, 0xc
je 0x42e0d2
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e0b2
cmp bl, 0xc
jne 0x42e0ee
cmp byte [ebp + 0xf], 1
je 0x42e117
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e0d2
cmp al, 1
je 0x42e117
mov al, byte [ebp + 0xf]
cmp al, 3
je 0x42e113
cmp al, 4
je 0x42e113
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e0f2
cmp al, 1
jne 0x42e123
and dword [esi + 0x760], 0
jmp 0x42e2e5
cmp al, 3
jb 0x42e2e5
sub dword [ebp - 8], 8
js 0x42e335
push edi
call fcn.0042be01
push edi
call fcn.0042be01
push edi
mov byte [ebp + 0xb], al
call fcn.0042be01
push edi
call fcn.0042be01
push edi
call fcn.0042be01
mov bl, al
push edi
mov byte [ebp - 2], bl
call fcn.0042be01
push edi
call fcn.0042be01
push edi
call fcn.0042be01
add esp, 0x20
mov byte [ebp + 0xf], al
movzx eax, byte [ebp + 0xb]
push 0xfffffffffffffff0
mov edx, eax
pop ecx
mov dword [ebp - 0x20], eax
and edx, ecx
cmp edx, 0x10
mov dword [ebp - 0x1c], edx
jne 0x42e1b8
mov al, bl
and eax, ecx
cmp al, dl
jne 0x42e1b8
mov al, byte [ebp + 0xf]
and eax, ecx
cmp al, dl
jne 0x42e1b8
mov al, byte [ebp + 0xb]
and al, 0xf
cmp al, 1
jne 0x42e1b8
mov al, bl
and al, 0xf
cmp al, 1
jne 0x42e1b8
mov al, byte [ebp + 0xf]
and al, 0xf
cmp al, 1
je 0x42e117
cmp edx, 0x20
jne 0x42e1f7
mov al, bl
and eax, ecx
cmp al, 0x10
jne 0x42e1f7
mov al, byte [ebp + 0xf]
and eax, ecx
cmp al, 0x10
jne 0x42e1f7
mov al, byte [ebp + 0xb]
and al, 0xf
cmp al, 1
jne 0x42e1f7
mov al, bl
and al, 0xf
cmp al, 1
jne 0x42e1f7
mov al, byte [ebp + 0xf]
and al, 0xf
cmp al, 1
jne 0x42e1f7
mov dword [esi + 0x760], 1
jmp 0x42e2e5
cmp edx, 0x10
jne 0x42e236
mov al, bl
and eax, ecx
cmp al, dl
jne 0x42e236
mov al, byte [ebp + 0xf]
and eax, ecx
cmp al, dl
jne 0x42e236
mov al, byte [ebp + 0xb]
and al, 0xf
cmp al, 2
jne 0x42e236
mov al, bl
and al, 0xf
cmp al, 1
jne 0x42e236
mov al, byte [ebp + 0xf]
and al, 0xf
cmp al, 1
jne 0x42e236
mov dword [esi + 0x760], 3
jmp 0x42e2e5
cmp edx, 0x20
jne 0x42e272
mov al, bl
and eax, ecx
cmp al, 0x10
jne 0x42e272
mov al, byte [ebp + 0xf]
and eax, ecx
cmp al, 0x10
jne 0x42e272
mov al, byte [ebp + 0xb]
and al, 0xf
cmp al, 2
jne 0x42e272
mov al, bl
and al, 0xf
cmp al, 1
jne 0x42e272
mov al, byte [ebp + 0xf]
and al, 0xf
cmp al, 1
jne 0x42e272
mov dword [esi + 0x760], 2
jmp 0x42e2e5
mov eax, 0x200
cmp edx, eax
jge 0x42e2e5
movzx edx, bl
mov dword [ebp - 0xc], edx
and dword [ebp - 0xc], ecx
cmp dword [ebp - 0xc], eax
jge 0x42e2e5
movzx ecx, byte [ebp + 0xf]
mov dword [ebp - 0x10], ecx
and dword [ebp - 0x10], 0xfffffff0
cmp dword [ebp - 0x10], eax
jge 0x42e2e5
mov al, byte [ebp + 0xb]
and al, 0xf
cmp al, 0x20
jae 0x42e2e5
mov al, byte [ebp - 2]
and al, 0xf
cmp al, 0x20
jae 0x42e2e5
mov al, byte [ebp + 0xf]
and al, 0xf
cmp al, 0x20
jae 0x42e2e5
mov eax, dword [ebp - 0x1c]
and edx, 0xf
and ecx, 0xf
lea ebx, [eax + eax]
mov eax, dword [ebp - 0x20]
and eax, 0xf
or ebx, eax
shl ebx, 9
or ebx, dword [ebp - 0xc]
shl ebx, 1
or ebx, edx
shl ebx, 9
or ebx, dword [ebp - 0x10]
shl ebx, 1
or ebx, ecx
shl ebx, 2
mov dword [esi + 0x760], ebx
push dword [ebp - 8]
push edi
call fcn.0042bf41
jmp 0x42dd61
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e2f3
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e309
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e31f
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e335
cmp dword [ebp - 0x14], 0
je 0x42e3dc
push edi
call fcn.0042d8bc
movzx ebx, ax
dec ebx
pop ecx
dec ebx
cmp ebx, 1
jge 0x42e37c
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e366
push edi
call fcn.0042be01
pop ecx
movzx ecx, al
lea ecx, [ecx + ecx + 4]
cmp ebx, ecx
jae 0x42e3a4
mov eax, dword [edi + 0x30]
push 0xffffffffffffffff
push edi
mov dword [eax + 0xc], 0xfffffc10
call fcn.0043046d
pop ecx
pop ecx
jmp 0x42e38e
mov cl, al
dec al
test cl, cl
je 0x42e3c1
movzx ebx, al
inc ebx
push edi
call fcn.0042be01
push edi
call fcn.0042be01
pop ecx
dec ebx
pop ecx
jne 0x42e3b0
push edi
call fcn.0042be01
push edi
call fcn.0042be01
push edi
call fcn.0042be01
add esp, 0xc
mov byte [esi + 0x776], al
push 1
pop eax
pop edi
pop esi
pop ebx
leave
ret