Function at 0x1c68e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x1d3bd0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x508
push ebx
push esi
push edi
mov dword [ebp - 0x10], esp
call fcn.001c4bb0
push 0x1d6708
mov eax, dword [ebp + 0x10]
push eax
call fcn.001c7380
add esp, 8
test eax, eax
je 0x1c6c92
push 0x100
lea ecx, [ebp - 0x184]
push ecx
push 0
call dword [fcn.001d4068]
xor eax, eax
jmp 0x1c6940
mov cl, byte [ebp + eax - 0x184]
mov byte [ebp + eax - 0x284], cl
inc eax
test cl, cl
jne 0x1c6940
lea edi, [ebp - 0x284]
dec edi
lea ebx, [ebx]
mov al, byte [edi + 1]
inc edi
test al, al
jne 0x1c6960
mov dx, word [0x1d6508]
mov word [edi], dx
lea eax, [ebp - 0x284]
push eax
call dword [0x1d4080]
lea ecx, [ebp - 0x284]
push ecx
lea edx, [ebp - 0x184]
push edx
call fcn.001c6dca
add esp, 8
push 1
lea eax, [ebp - 0x184]
push eax
lea ecx, [ebp - 0x284]
push ecx
call dword [0x1d405c]
push 0
push 0x80
push 3
push 0
push 2
push 0x40000000
lea edx, [ebp - 0x184]
push edx
call dword [0x1d4020]
mov esi, eax
cmp esi, 0xffffffff
je 0x1c6a01
push 2
push 0
push 0
push esi
call dword [0x1d4028]
call dword [fcn.001d4034]
mov dword [ebp - 0x1c], eax
push 0
lea eax, [ebp - 0x20]
push eax
push 1
lea ecx, [ebp - 0x1c]
push ecx
push esi
call dword [0x1d4038]
push esi
call dword [0x1d4078]
mov edx, dword [0x1d5eb0]
mov dword [ebp - 0x84], edx
mov eax, dword [0x1d5eb4]
mov dword [ebp - 0x80], eax
mov cx, word [0x1d5eb8]
mov word [ebp - 0x7c], cx
mov dl, byte [0x1d5eba]
mov byte [ebp - 0x7a], dl
lea eax, [ebp - 0x84]
cmp byte [ebp - 0x84], 0
je 0x1c6a56
mov ecx, eax
lea ebx, [ebx]
mov dl, byte [eax]
xor dl, 0xf
movzx dx, dl
movzx edx, dx
mov byte [eax], dl
inc ecx
mov eax, ecx
cmp byte [ecx], 0
jne 0x1c6a40
lea eax, [ebp - 0x84]
push eax
call dword [0x1d4060]
mov esi, eax
mov ecx, dword [0x1d618c]
mov dword [ebp - 0x84], ecx
mov edx, dword [0x1d6190]
mov dword [ebp - 0x80], edx
mov ax, word [0x1d6194]
mov word [ebp - 0x7c], ax
mov cl, byte [0x1d6196]
mov byte [ebp - 0x7a], cl
lea ecx, [ebp - 0x84]
cmp byte [ebp - 0x84], 0
je 0x1c6ab5
mov edx, ecx
mov edi, edi
mov al, byte [ecx]
xor al, 0xf
movzx ax, al
movzx ebx, ax
mov byte [ecx], bl
inc edx
mov ecx, edx
cmp byte [edx], 0
jne 0x1c6aa0
lea ecx, [ebp - 0x84]
push ecx
push esi
call dword [fcn.001d4058]
mov dword [ebp - 4], 0
lea edx, [ebp - 0x514]
push edx
push 0x101
call eax
test eax, eax
jne 0x1c6c70
push 0
call fcn.001c7a28
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], edx
add esp, 4
mov eax, dword [0x1da13c]
cmp eax, edx
jl 0x1c6b06
jg 0x1c6ae0
mov ecx, dword [0x1da138]
cmp ecx, dword [ebp - 0x18]
ja 0x1c6ae0
mov dword [0x1d9f38], 0x1d9050
push 0x7d0
mov ebx, dword [0x1d403c]
call ebx
call dword [fcn.001d4034]
push eax
call fcn.001c758a
add esp, 4
mov eax, dword [0x1d9f38]
cmp byte [eax], 0
je 0x1c6c69
mov ecx, 6
mov esi, 0x1d6710
lea edi, [ebp - 0x84]
rep movsd dword es:[edi], dword [esi]
movsw word es:[edi], word [esi]
mov edx, dword [0x1d9450]
push edx
push 0x1da154
push 0x1d9ff8
push 0x6fd207
lea eax, [ebp - 0x84]
call fcn.001c2c90
push eax
lea eax, [ebp - 0x384]
push eax
call fcn.001c6dfd
add esp, 0x18
lea ecx, [ebp - 0x384]
push ecx
call fcn.001c6450
add esp, 4
test eax, eax
jne 0x1c6c2c
jmp 0x1c6ba0
mov edx, dword [0x1da13c]
cmp edx, dword [ebp - 0x14]
jl 0x1c6bc9
jg 0x1c6bb7
mov eax, dword [0x1da138]
cmp eax, dword [ebp - 0x18]
jbe 0x1c6bc9
push 0
call fcn.001c7a28
add esp, 4
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], edx
jmp 0x1c6ba0
mov ecx, dword [0x1d9450]
lea edx, [ecx + ecx]
mov eax, 0xaaaaaaab
mul edx
mov esi, edx
shr esi, 1
call fcn.001c759c
xor edx, edx
div esi
add esi, edx
push esi
call ebx
mov ecx, 6
mov esi, 0x1d6710
lea edi, [ebp - 0x84]
rep movsd dword es:[edi], dword [esi]
movsw word es:[edi], word [esi]
mov eax, dword [0x1d9450]
push eax
push 0x1da154
push 0x1d9ff8
push 0x6fd207
lea eax, [ebp - 0x84]
call fcn.001c2c90
push eax
lea ecx, [ebp - 0x384]
push ecx
jmp 0x1c6b77
push 0x7d0
call ebx
mov edx, dword [0x1d9f38]
mov eax, edx
lea esi, [eax + 1]
mov edi, edi
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x1c6c40
sub eax, esi
lea eax, [edx + eax + 1]
mov dword [0x1d9f38], eax
cmp byte [eax], cl
jne 0x1c6b3a
mov eax, 0x1d9050
mov dword [0x1d9f38], eax
jmp 0x1c6b31
mov dword [ebp - 4], 0xffffffff
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
call fcn.001c48c0
push 0x100
lea edx, [ebp - 0x184]
push edx
push 0
call dword [fcn.001d4068]
lea eax, [ebp - 0x184]
push eax
push 0x1d672c
lea ecx, [ebp - 0x284]
push ecx
call fcn.001c6dfd
add esp, 0xc
push 0x104
lea edx, [ebp - 0x184]
push edx
push 0x1d6744
call dword [0x1d404c]
test eax, eax
je 0x1c6d14
push 0x1d674c
call dword [0x1d4060]
push 0x1d6758
push eax
call dword [fcn.001d4058]
test eax, eax
je 0x1c6d14
push 0
push 0
lea ecx, [ebp - 0x284]
push ecx
lea edx, [ebp - 0x184]
push edx
push 0
push 0
call eax
push 0
call dword [fcn.001d401c]
int3