Function at 0x1801b3b30
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push rbx
push rbp
push rsi
push r13
push r14
sub rsp, 0x20
mov r14d, dword [rsp + 0x70]
mov ebx, r9d
mov esi, r8d
mov r13d, edx
mov rbp, rcx
cmp r8d, edx
jne 0x1801b3b61
mov rax, rcx
add rsp, 0x20
pop r14
pop r13
pop rsi
pop rbp
pop rbx
ret
mov qword [rsp + 0x60], r15
test esi, esi
js 0x1801b3f7f
test ebx, ebx
js 0x1801b3f7f
je 0x1801b3b89
xor edx, edx
mov eax, 0x7fffffff
div ebx
cmp esi, eax
jg 0x1801b3f7f
mov ecx, esi
imul ecx, ebx
test ecx, ecx
js 0x1801b3f7f
test r14d, r14d
js 0x1801b3f7f
je 0x1801b3bb3
xor edx, edx
mov eax, 0x7fffffff
div r14d
cmp ecx, eax
jg 0x1801b3f7f
imul ecx, r14d
movsxd rcx, ecx
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov r15, rax
test rax, rax
je 0x1801b3f7f
mov qword [rsp + 0x50], rdi
xor edi, edi
mov qword [rsp + 0x58], r12
test r14d, r14d
jle 0x1801b3f1f
lea r12d, [r13*8 - 0xa]
add r12d, esi
lea r11d, [rbx - 1]
lea r8, [0x180000000]
nop word [rax + rax]
mov r9d, edi
mov eax, edi
imul r9d, r13d
imul eax, esi
imul r9d, ebx
imul eax, ebx
add r9, rbp
add rax, r15
cmp r12d, 0x19
ja case.0x1801b3c31.3
movsxd rcx, r12d
mov edx, dword [r8 + rcx*4 + 0x1b3fc0]
add rdx, r8
jmp rdx
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea r9, [r9 + 1]
mov byte [rax + 1], 0xff
lea rax, [rax + 2]
jns 0x1801b3c40
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop dword [rax + rax]
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax + 2], cl
lea r9, [r9 + 1]
mov byte [rax + 1], cl
mov byte [rax], cl
lea rax, [rax + 3]
jns 0x1801b3c70
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop word [rax + rax]
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax + 2], cl
lea r9, [r9 + 1]
mov byte [rax + 1], cl
mov byte [rax], cl
mov byte [rax + 3], 0xff
lea rax, [rax + 4]
jns 0x1801b3ca0
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea rax, [rax + 1]
lea r9, [r9 + 2]
jns 0x1801b3cd0
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop dword [rax]
nop dword [rax + rax]
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax + 2], cl
lea r9, [r9 + 2]
mov byte [rax + 1], cl
mov byte [rax], cl
lea rax, [rax + 3]
jns 0x1801b3d00
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
nop word [rax + rax]
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax + 2], cl
lea r9, [r9 + 2]
mov byte [rax + 1], cl
mov byte [rax], cl
lea rax, [rax + 4]
movzx ecx, byte [r9 - 1]
mov byte [rax - 1], cl
jns 0x1801b3d30
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea rax, [rax + 4]
movzx ecx, byte [r9 + 1]
lea r9, [r9 + 3]
mov byte [rax - 3], cl
movzx ecx, byte [r9 - 1]
mov byte [rax - 2], cl
mov byte [rax - 1], 0xff
jns 0x1801b3d62
jmp 0x1801b3f14
mov r10d, r11d
test r11d, r11d
js 0x1801b3f14
nop word [rax + rax]
movzx ecx, byte [r9 + 1]
lea rax, [rax + 1]
imul r8d, ecx, 0x96
movzx ecx, byte [r9 + 2]
lea r9, [r9 + 3]
imul edx, ecx, 0x1d
movzx ecx, byte [r9 - 3]
add r8d, edx
imul edx, ecx, 0x4d
add r8d, edx
shr r8d, 8
sub r10d, 1
mov byte [rax - 1], r8b
jns 0x1801b3da0
lea r8, [0x180000000]
jmp 0x1801b3f14
mov r10d, r11d
test r11d, r11d
js 0x1801b3f14
movzx ecx, byte [r9 + 1]
lea rax, [rax + 2]
imul r8d, ecx, 0x96
movzx ecx, byte [r9 + 2]
lea r9, [r9 + 3]
imul edx, ecx, 0x1d
movzx ecx, byte [r9 - 3]
mov byte [rax - 1], 0xff
add r8d, edx
imul edx, ecx, 0x4d
add r8d, edx
shr r8d, 8
sub r10d, 1
mov byte [rax - 2], r8b
jns 0x1801b3df0
lea r8, [0x180000000]
jmp 0x1801b3f14
mov r10d, r11d
test r11d, r11d
js 0x1801b3f14
nop dword [rax]
nop dword [rax + rax]
movzx ecx, byte [r9 + 1]
lea rax, [rax + 1]
imul r8d, ecx, 0x96
movzx ecx, byte [r9 + 2]
lea r9, [r9 + 4]
imul edx, ecx, 0x1d
movzx ecx, byte [r9 - 4]
add r8d, edx
imul edx, ecx, 0x4d
add r8d, edx
shr r8d, 8
sub r10d, 1
mov byte [rax - 1], r8b
jns 0x1801b3e50
lea r8, [0x180000000]
jmp 0x1801b3f14
mov r10d, r11d
test r11d, r11d
js 0x1801b3f14
nop dword [rax]
movzx ecx, byte [r9 + 1]
lea rax, [rax + 2]
imul r8d, ecx, 0x96
movzx ecx, byte [r9 + 2]
lea r9, [r9 + 4]
imul edx, ecx, 0x1d
movzx ecx, byte [r9 - 4]
add r8d, edx
imul edx, ecx, 0x4d
add r8d, edx
shr r8d, 8
sub r10d, 1
mov byte [rax - 2], r8b
movzx ecx, byte [r9 - 1]
mov byte [rax - 1], cl
jns 0x1801b3ea0
lea r8, [0x180000000]
jmp 0x1801b3f14
mov edx, r11d
test r11d, r11d
js 0x1801b3f14
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea rax, [rax + 3]
movzx ecx, byte [r9 + 1]
lea r9, [r9 + 4]
mov byte [rax - 2], cl
movzx ecx, byte [r9 - 2]
mov byte [rax - 1], cl
jns 0x1801b3ef1
inc edi
cmp edi, r14d
jl 0x1801b3c00
mov rcx, rbp
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov rax, r15
mov r12, qword [rsp + 0x58]
mov rdi, qword [rsp + 0x50]
mov r15, qword [rsp + 0x60]
add rsp, 0x20
pop r14
pop r13
pop rsi
pop rbp
pop rbx
ret
mov rcx, rbp
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov rcx, r15
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov edx, dword [0x18041fd70]
mov rax, qword gs:[0x58]
mov ecx, 0x10
mov rax, qword [rax + rdx*8]
lea rdx, str.unsupported
mov qword [rcx + rax], rdx
xor eax, eax
jmp 0x1801b3f2b
mov rcx, rbp
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov edx, dword [0x18041fd70]
mov rax, qword gs:[0x58]
mov r15, qword [rsp + 0x60]
mov ecx, 0x10
mov rax, qword [rax + rdx*8]
lea rdx, str.outofmem
mov qword [rcx + rax], rdx
xor eax, eax
add rsp, 0x20
pop r14
pop r13
pop rsi
pop rbp
pop rbx
ret