Function at 0x18020d570
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push rbx
push rsi
push rdi
push r12
sub rsp, 0x28
mov ebx, r9d
mov edi, r8d
mov r12d, edx
mov rsi, rcx
cmp r8d, edx
jne 0x18020d598
mov rax, rcx
add rsp, 0x28
pop r12
pop rdi
pop rsi
pop rbx
ret
mov qword [rsp + 0x50], rbp
mov qword [rsp + 0x20], r15
test edi, edi
js 0x18020d9a2
test ebx, ebx
js 0x18020d9a2
je 0x18020d5c4
mov eax, 0x7fffffff
cdq
idiv ebx
cmp edi, eax
jg 0x18020d9a2
mov ecx, edi
imul ecx, ebx
test ecx, ecx
js 0x18020d9a2
mov ebp, dword [rsp + 0x70]
test ebp, ebp
js 0x18020d9a2
je 0x18020d5ef
mov eax, 0x7fffffff
cdq
idiv ebp
cmp ecx, eax
jg 0x18020d9a2
imul ecx, ebp
movsxd rcx, ecx
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov r15, rax
test rax, rax
je 0x18020d9a2
xor r11d, r11d
mov qword [rsp + 0x58], r13
mov qword [rsp + 0x60], r14
test ebp, ebp
jle 0x18020d93f
lea r14d, [r12*8 - 0xa]
add r14d, edi
lea r13, [0x180000000]
nop
mov r9d, r11d
mov eax, r11d
imul r9d, r12d
imul eax, edi
imul r9d, ebx
imul eax, ebx
add r9, rsi
add rax, r15
cmp r14d, 0x19
ja case.0x18020d662.3
movsxd rcx, r14d
mov edx, dword [r13 + rcx*4 + 0x20d9d4]
add rdx, r13
jmp rdx
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
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 0x18020d670
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
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
lea rax, [rax + 3]
jns 0x18020d6a0
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [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 0x18020d6d0
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [rax]
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea rax, [rax + 1]
lea r9, [r9 + 2]
jns 0x18020d700
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [rax]
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 + 3]
jns 0x18020d730
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [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 0x18020d760
jmp 0x18020d933
lea edx, [rbx - 1]
test ebx, ebx
jle 0x18020d933
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 0x18020d791
jmp 0x18020d933
lea r10d, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [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 0x18020d7d0
jmp 0x18020d933
lea r10d, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [rax]
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 0x18020d820
jmp 0x18020d933
lea r10d, [rbx - 1]
test ebx, ebx
jle 0x18020d933
nop dword [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 0x18020d870
jmp 0x18020d933
lea r10d, [rbx - 1]
test ebx, ebx
jle 0x18020d933
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 0x18020d8c0
jmp 0x18020d933
lea edx, [rbx - 1]
test edx, edx
js 0x18020d933
nop dword [rax]
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 0x18020d910
inc r11d
cmp r11d, ebp
jl 0x18020d630
mov rcx, rsi
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov rax, r15
mov r14, qword [rsp + 0x60]
mov r13, qword [rsp + 0x58]
mov rbp, qword [rsp + 0x50]
mov r15, qword [rsp + 0x20]
add rsp, 0x28
pop r12
pop rdi
pop rsi
pop rbx
ret
mov rcx, rsi
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 [0x1806d4c38]
mov rax, qword gs:[0x58]
mov ecx, reloc.WS2_32.dll_recv
mov rax, qword [rax + rdx*8]
lea rdx, str.unsupported
mov qword [rcx + rax], rdx
xor eax, eax
jmp 0x18020d94b
mov rcx, rsi
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov edx, dword [0x1806d4c38]
mov rax, qword gs:[0x58]
mov ecx, reloc.WS2_32.dll_recv
mov rax, qword [rax + rdx*8]
lea rdx, str.outofmem
mov qword [rcx + rax], rdx
xor eax, eax
jmp 0x18020d955