Function at 0x180164d00
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x60
xor ebp, ebp
mov rsi, r8
cmp r9, 0x4000
mov r15d, ebp
mov r13, rdx
mov rdi, rcx
mov rcx, qword [rsp + 0xc8]
setae r15b
mov rdx, qword [rsp + 0xc0]
cmp r9, 0x400
mov r14d, ebp
mov r8d, 0x810
sbb rax, rax
mov rbx, r9
add rax, 4
mov r12d, 2
add r15, rax
cmp r9, 0x100
setb r14b
call fcn.180210c20
cmp dword [rsp + 0xd8], ebp
jne 0x180165062
mov ecx, dword [rsp + 0xd0]
mov eax, 9
sub eax, ecx
mov edx, 3
cmp eax, edx
cmovl edx, eax
mov rax, qword [rsp + 0xc0]
mov r9d, dword [rax + 0x808]
cmp r9d, r12d
jne 0x180164db8
mov eax, 6
jmp 0x180164dc9
mov ecx, edx
mov eax, 8
shl rax, cl
mov ecx, dword [rsp + 0xd0]
cmp rbx, rax
jb 0x180165062
lea rax, [r15 + 1]
cmp r13, rax
jae 0x180164de7
mov rax, 0xffffffffffffffba
jmp 0x180165073
mov dword [rsp + 0xd8], r9d
cmp ecx, 4
jge 0x180164e02
mov edx, 4
cmp rbx, 0x400
jbe 0x180164e04
mov edx, ebp
cmp ecx, 8
mov r8d, ebp
cmovge r8d, r12d
neg dword [rsp + 0xe0]
sbb eax, eax
and eax, 8
or r8d, eax
mov eax, ebp
cmp dword [rsp + 0xe8], eax
setne al
or r8d, eax
mov eax, 1
or r8d, edx
cmp r9d, r12d
jne 0x180164e41
cmp r15, 3
cmove r14d, eax
mov dword [rsp + 0x50], r8d
lea rax, [0x180160b00]
mov rdx, r13
lea r10, [0x180162410]
sub rdx, r15
lea rcx, [r15 + rdi]
test r14d, r14d
mov r9, rbx
mov r8, rsi
cmovne r10, rax
lea rax, [rsp + 0xd8]
mov qword [rsp + 0x48], rax
mov rax, qword [rsp + 0xc8]
mov qword [rsp + 0x40], rax
mov rax, qword [rsp + 0xb8]
mov qword [rsp + 0x38], rax
mov rax, qword [rsp + 0xb0]
mov qword [rsp + 0x30], rax
mov dword [rsp + 0x28], select
mov dword [rsp + 0x20], 0xff
call r10
cmp dword [rsp + 0xd8], ebp
mov rdx, rax
mov eax, 3
cmovne r12d, eax
mov eax, dword [rsp + 0xd0]
cmp eax, 8
jl 0x180164ed6
lea ecx, [rax - 1]
jmp 0x180164edb
mov ecx, 6
test rdx, rdx
je 0x180165047
mov rax, rbx
shr rax, cl
mov rcx, rbx
sub rcx, rax
sub rcx, 2
cmp rdx, rcx
jae 0x180165047
cmp rdx, 0xffffffffffffff88
ja 0x180165047
cmp rdx, 1
jne 0x180164fbe
cmp rbx, 8
jae 0x180164f35
movzx r9d, byte [rsi]
mov rax, rdx
cmp rdx, rbx
jae 0x180164f35
cmp byte [rax + rsi], r9b
jne 0x180164fbe
inc rax
cmp rax, rbx
jb 0x180164f23
mov rcx, qword [rsp + 0xc8]
mov r8d, 0x810
mov rdx, qword [rsp + 0xc0]
call fcn.180210c20
mov edx, ebp
cmp rbx, 0xfff
seta dl
cmp rbx, 0x1f
seta bpl
inc ebp
add edx, ebp
mov eax, edx
sub eax, 1
je 0x180164fa9
sub eax, 1
je 0x180164f90
cmp eax, 1
jne 0x180164fb0
shl rbx, 4
add ebx, 0xd
mov dword [rdi], ebx
movzx eax, byte [rsi]
mov byte [rdx + rdi], al
lea eax, [rdx + 1]
jmp 0x180165073
shl rbx, 4
add bx, 5
mov word [rdi], bx
movzx eax, byte [rsi]
mov byte [rdx + rdi], al
lea eax, [rdx + 1]
jmp 0x180165073
shl bl, 3
inc bl
mov byte [rdi], bl
movzx eax, byte [rsi]
mov byte [rdx + rdi], al
lea eax, [rdx + 1]
jmp 0x180165073
cmp r12d, 2
jne 0x180164fd6
mov rax, qword [rsp + 0xc8]
mov dword [rax + 0x808], 1
mov rax, r15
sub rax, 3
je 0x180165025
sub rax, 1
je 0x18016500d
cmp rax, 1
jne 0x180165041
mov eax, edx
shl eax, 0x12
add eax, ebx
shl eax, 4
add eax, 0xc
add eax, r12d
mov dword [rdi], eax
mov rax, rdx
shr rax, 0xa
mov byte [rdi + 4], al
lea rax, [rdx + r15]
jmp 0x180165073
mov eax, edx
shl eax, 0xe
add eax, ebx
shl eax, 4
add eax, 8
add eax, r12d
mov dword [rdi], eax
lea rax, [rdx + r15]
jmp 0x180165073
xor r14d, 1
mov eax, edx
shl eax, 0xa
add eax, ebx
lea eax, [r14 + rax*4]
lea ecx, [r12 + rax*4]
mov word [rdi], cx
shr ecx, 0x10
mov byte [rdi + 2], cl
lea rax, [rdx + r15]
jmp 0x180165073
mov rcx, qword [rsp + 0xc8]
mov r8d, 0x810
mov rdx, qword [rsp + 0xc0]
call fcn.180210c20
mov r9, rbx
mov r8, rsi
mov rdx, r13
mov rcx, rdi
call fcn.180165120
lea r11, [rsp + 0x60]
mov rbx, qword [r11 + 0x30]
mov rbp, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rdi
ret