Function at 0x140042900
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push rbx
push rbp
push rsi
push r12
push r13
sub rsp, 0x20
mov r12d, dword [rsp + 0x70]
mov ebx, r9d
mov esi, r8d
mov r13d, edx
mov rbp, rcx
cmp r8d, edx
jne 0x140042931
mov rax, rcx
add rsp, 0x20
pop r13
pop r12
pop rsi
pop rbp
pop rbx
ret
mov qword [rsp + 0x60], r15
test esi, esi
js 0x140042d4f
test ebx, ebx
js 0x140042d4f
je 0x140042959
xor edx, edx
mov eax, 0x7fffffff
div ebx
cmp esi, eax
jg 0x140042d4f
mov ecx, esi
imul ecx, ebx
test ecx, ecx
js 0x140042d4f
test r12d, r12d
js 0x140042d4f
je 0x140042983
xor edx, edx
mov eax, 0x7fffffff
div r12d
cmp ecx, eax
jg 0x140042d4f
imul ecx, r12d
movsxd rcx, ecx
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov r15, rax
test rax, rax
je 0x140042d4f
mov qword [rsp + 0x50], rdi
xor edi, edi
mov qword [rsp + 0x58], r14
test r12d, r12d
jle 0x140042cef
lea r14d, [r13*8 - 0xa]
add r14d, esi
lea r11d, [rbx - 1]
lea r8, [0x140000000]
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 r14d, 0x19
ja case.0x140042a01.3
movsxd rcx, r14d
mov edx, dword [r8 + rcx*4 + 0x42d90]
add rdx, r8
jmp rdx
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042a10
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042a40
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042a70
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
nop
sub edx, 1
movzx ecx, byte [r9]
mov byte [rax], cl
lea rax, [rax + 1]
lea r9, [r9 + 2]
jns 0x140042aa0
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042ad0
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042b00
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042b32
jmp 0x140042ce4
mov r10d, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042b70
lea r8, [0x140000000]
jmp 0x140042ce4
mov r10d, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042bc0
lea r8, [0x140000000]
jmp 0x140042ce4
mov r10d, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042c20
lea r8, [0x140000000]
jmp 0x140042ce4
mov r10d, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042c70
lea r8, [0x140000000]
jmp 0x140042ce4
mov edx, r11d
test r11d, r11d
js 0x140042ce4
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 0x140042cc1
inc edi
cmp edi, r12d
jl 0x1400429d0
mov rcx, rbp
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov rax, r15
mov r14, qword [rsp + 0x58]
mov rdi, qword [rsp + 0x50]
mov r15, qword [rsp + 0x60]
add rsp, 0x20
pop r13
pop r12
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 [0x14014cfd0]
mov rax, qword gs:[0x58]
mov ecx, 0x20
mov rax, qword [rax + rdx*8]
lea rdx, str.unsupported
mov qword [rcx + rax], rdx
xor eax, eax
jmp 0x140042cfb
mov rcx, rbp
call qword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
mov edx, dword [0x14014cfd0]
mov rax, qword gs:[0x58]
mov r15, qword [rsp + 0x60]
mov ecx, 0x20
mov rax, qword [rax + rdx*8]
lea rdx, str.outofmem
mov qword [rcx + rax], rdx
xor eax, eax
add rsp, 0x20
pop r13
pop r12
pop rsi
pop rbp
pop rbx
ret