Function at 0x14003f760
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
mov qword [rsp + 8], rcx
push rbx
push rsi
push rdi
sub rsp, 0x20
mov rsi, rcx
xor edi, edi
mov rcx, qword [rcx]
mov rbx, rdx
mov dword [rsp + 0x50], edi
cmp dword [rsi + 0x14], edi
jle 0x14003fcf1
mov qword [rsp + 0x48], rbp
mov qword [rsp + 0x18], r12
mov qword [rsp + 0x10], r13
mov qword [rsp + 8], r14
mov qword [rsp], r15
nop dword [rax]
movsxd rax, dword [rsi + 0x1c]
mov r14, rcx
mov r13d, dword [r14]
lea rcx, [rcx + rax*4]
dec r13d
mov qword [rsp + 0x58], rcx
test r13d, r13d
jle 0x14003fcca
mov edx, dword [rsi + 0xc]
add r14, 4
mov r11, qword [rbx + 8]
add edx, edi
mov r10, qword [rbx]
xor r8d, r8d
movsxd rax, edx
sub edx, dword [rbx + 0x18]
mov r9d, dword [r14]
movsxd rcx, dword [r10 + 0x14]
imul rcx, rax
mov eax, edx
add rcx, qword [r10]
cdq
mov qword [rbx + 0x20], rcx
idiv dword [r11 + 0x20]
movsxd rax, dword [r11 + 0x14]
movsxd rcx, edx
imul rcx, rax
add rcx, qword [r11]
sub r13d, 1
mov qword [rbx + 0x28], rcx
js 0x14003fb74
nop dword [rax]
mov ebp, dword [r14 + 4]
lea r14, [r14 + 8]
mov r15d, dword [r14]
mov eax, r15d
cdq
movzx edi, dl
add edi, eax
mov eax, r9d
cdq
sar edi, 8
movzx edx, dl
add eax, edx
sar eax, 8
mov r11d, eax
cmp edi, eax
jne 0x14003f84b
mov eax, r15d
sub eax, r9d
imul eax, ebp
add r8d, eax
jmp 0x14003fb57
movzx eax, r9b
mov ecx, 0x100
sub ecx, eax
imul ecx, ebp
lea eax, [r8 + rcx]
cdq
movzx edx, dl
add eax, edx
sar eax, 8
mov r8d, eax
test eax, eax
jle 0x14003f9a7
mov rax, qword [rbx]
mov edx, dword [rbx + 0x14]
mov ecx, dword [rax + 0x18]
mov eax, r11d
sub eax, edx
imul ecx, r11d
cdq
movsxd r10, ecx
mov rcx, qword [rbx + 8]
add r10, qword [rbx + 0x20]
idiv dword [rcx + 0x1c]
mov rax, qword [rbx + 0x28]
imul edx, dword [rcx + 0x18]
movsxd rcx, edx
movzx edx, byte [rcx + rax]
mov ecx, 0x100
cmp r8d, 0xff
jl 0x14003f91c
movzx r9d, byte [r10 + 1]
mov r8d, edx
shl r8d, 0x10
or r8d, edx
movzx edx, byte [r10 + 2]
imul r8d, dword [rbx + 0x10]
shl edx, 0x10
shr r8d, 8
and r8d, 0xff00ff
mov eax, r8d
shr eax, 0x10
sub ecx, eax
movzx eax, byte [r10]
or edx, eax
imul r9d, ecx
imul edx, ecx
mov ecx, 0x100
shr r9d, 8
shr edx, 8
add r9d, r8d
and edx, 0xff00ff
add edx, r8d
mov eax, edx
shr eax, 8
and eax, 0xff00ff
sub ecx, eax
mov eax, r9d
shr eax, 8
neg al
or al, r9b
jmp 0x14003f98f
imul r8d, dword [rbx + 0x10]
mov r9d, edx
shl r9d, 0x10
or r9d, edx
movzx edx, byte [r10 + 2]
shl edx, 0x10
sar r8d, 8
imul r9d, r8d
movzx r8d, byte [r10 + 1]
shr r9d, 8
and r9d, 0xff00ff
mov eax, r9d
shr eax, 0x10
sub ecx, eax
movzx eax, byte [r10]
or edx, eax
imul r8d, ecx
imul edx, ecx
mov ecx, 0x100
shr r8d, 8
shr edx, 8
add r8d, r9d
and edx, 0xff00ff
add edx, r9d
mov eax, edx
shr eax, 8
and eax, 0xff00ff
sub ecx, eax
mov eax, r8d
shr eax, 8
neg al
or al, r8b
mov byte [r10 + 1], al
or ecx, edx
and ecx, 0xff00ff
mov eax, ecx
mov byte [r10], cl
shr eax, 0x10
mov byte [r10 + 2], al
test ebp, ebp
jle 0x14003fb4f
inc r11d
sub edi, r11d
test edi, edi
jle 0x14003fb4f
mov rax, qword [rbx]
mov esi, ebp
imul esi, dword [rbx + 0x10]
movsxd rdx, dword [rax + 0x18]
mov eax, edx
imul eax, r11d
sub r11d, dword [rbx + 0x14]
sar esi, 8
movsxd rcx, eax
add rcx, qword [rbx + 0x20]
cmp esi, 0xfe
jge 0x14003faac
mov r12, rdx
nop dword [rax]
mov r8, qword [rbx + 8]
mov eax, r11d
movzx r10d, byte [rcx + 1]
cdq
inc r11d
dec edi
idiv dword [r8 + 0x1c]
mov rax, qword [rbx + 0x28]
imul edx, dword [r8 + 0x18]
movsxd rdx, edx
movzx r8d, byte [rdx + rax]
mov edx, 0x100
mov r9d, r8d
shl r9d, 0x10
or r9d, r8d
movzx r8d, byte [rcx + 2]
shl r8d, 0x10
imul r9d, esi
shr r9d, 8
and r9d, 0xff00ff
mov eax, r9d
shr eax, 0x10
sub edx, eax
movzx eax, byte [rcx]
or r8d, eax
imul r10d, edx
imul r8d, edx
mov edx, 0x100
shr r10d, 8
shr r8d, 8
add r10d, r9d
and r8d, 0xff00ff
add r8d, r9d
mov eax, r8d
shr eax, 8
and eax, 0xff00ff
sub edx, eax
mov eax, r10d
shr eax, 8
or edx, r8d
neg al
and edx, 0xff00ff
or al, r10b
mov byte [rcx], dl
mov byte [rcx + 1], al
mov eax, edx
shr eax, 0x10
mov byte [rcx + 2], al
add rcx, r12
test edi, edi
jg 0x14003f9f0
jmp 0x14003fb4f
mov rsi, rdx
nop
mov r8, qword [rbx + 8]
mov eax, r11d
cdq
mov r9d, 0x100
inc r11d
dec edi
idiv dword [r8 + 0x1c]
mov rax, qword [rbx + 0x28]
imul edx, dword [r8 + 0x18]
movsxd rdx, edx
movzx r8d, byte [rdx + rax]
movzx eax, byte [rcx]
sub r9d, r8d
movzx edx, byte [rcx + 2]
mov r10d, r8d
shl edx, 0x10
or edx, eax
shl r10d, 0x10
imul edx, r9d
or r10d, r8d
mov r8d, 0x100
shr edx, 8
and edx, 0xff00ff
add edx, r10d
mov eax, edx
shr eax, 8
and eax, 0xff00ff
sub r8d, eax
or r8d, edx
movzx edx, byte [rcx + 1]
imul edx, r9d
and r8d, 0xff00ff
mov byte [rcx], r8b
shr edx, 8
add edx, r10d
mov eax, edx
shr eax, 8
neg al
or al, dl
mov byte [rcx + 1], al
mov eax, r8d
shr eax, 0x10
mov byte [rcx + 2], al
add rcx, rsi
test edi, edi
jg 0x14003fab0
movzx r8d, r15b
imul r8d, ebp
sub r13d, 1
mov r9d, r15d
jns 0x14003f810
mov r10, qword [rbx]
mov r11, qword [rbx + 8]
mov edi, dword [rsp + 0x50]
mov rsi, qword [rsp + 0x40]
mov eax, r8d
cdq
movzx edx, dl
add eax, edx
sar eax, 8
mov r8d, eax
test eax, eax
jle 0x14003fcc5
mov ecx, dword [r10 + 0x18]
mov eax, r9d
cdq
movzx edx, dl
add eax, edx
mov edx, dword [rbx + 0x14]
sar eax, 8
imul ecx, eax
sub eax, edx
cdq
idiv dword [r11 + 0x1c]
mov rax, qword [rbx + 0x28]
imul edx, dword [r11 + 0x18]
movsxd r10, ecx
add r10, qword [rbx + 0x20]
movsxd rcx, edx
movzx edx, byte [rcx + rax]
mov ecx, 0x100
cmp r8d, 0xff
jl 0x14003fc3a
movzx r9d, byte [r10 + 1]
mov r8d, edx
shl r8d, 0x10
or r8d, edx
movzx edx, byte [r10 + 2]
imul r8d, dword [rbx + 0x10]
shl edx, 0x10
shr r8d, 8
and r8d, 0xff00ff
mov eax, r8d
shr eax, 0x10
sub ecx, eax
movzx eax, byte [r10]
or edx, eax
imul r9d, ecx
imul edx, ecx
mov ecx, 0x100
shr r9d, 8
shr edx, 8
add r9d, r8d
and edx, 0xff00ff
add edx, r8d
mov eax, edx
shr eax, 8
and eax, 0xff00ff
sub ecx, eax
mov eax, r9d
shr eax, 8
neg al
or al, r9b
jmp 0x14003fcad
imul r8d, dword [rbx + 0x10]
mov r9d, edx
shl r9d, 0x10
or r9d, edx
movzx edx, byte [r10 + 2]
shl edx, 0x10
sar r8d, 8
imul r9d, r8d
movzx r8d, byte [r10 + 1]
shr r9d, 8
and r9d, 0xff00ff
mov eax, r9d
shr eax, 0x10
sub ecx, eax
movzx eax, byte [r10]
or edx, eax
imul r8d, ecx
imul edx, ecx
mov ecx, 0x100
shr r8d, 8
shr edx, 8
add r8d, r9d
and edx, 0xff00ff
add edx, r9d
mov eax, edx
shr eax, 8
and eax, 0xff00ff
sub ecx, eax
mov eax, r8d
shr eax, 8
neg al
or al, r8b
mov byte [r10 + 1], al
or ecx, edx
and ecx, 0xff00ff
mov eax, ecx
mov byte [r10], cl
shr eax, 0x10
mov byte [r10 + 2], al
mov rcx, qword [rsp + 0x58]
inc edi
mov dword [rsp + 0x50], edi
cmp edi, dword [rsi + 0x14]
jl 0x14003f7a0
mov r15, qword [rsp]
mov r14, qword [rsp + 8]
mov r13, qword [rsp + 0x10]
mov r12, qword [rsp + 0x18]
mov rbp, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
pop rsi
pop rbx
ret