Function at 0x43e0f0
Capabilities:
Encode data using xor
Get hostname
Get session user name

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x57c7d4
mov eax, dword fs:[0]
push eax
sub esp, 0xbd8
mov eax, dword [0x5e9db0]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
push 0
mov dword [ebp - 0xbc8], ebx
call fcn.00551b5f
push eax
call fcn.005519cb
call fcn.005519dd
push 0xa
lea ecx, [ebp - 0x1c]
push ecx
push eax
call fcn.0056db24
add esp, 0x14
call fcn.00469967
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x43e161
push 0x80004005
call fcn.00401090
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
lea edi, [eax + 0x10]
mov dword [ebp - 0xbc4], edi
lea ecx, [ebp - 0x1c]
mov dword [ebp - 4], 0
test ecx, 0xffff0000
jne 0x43e1a3
mov edx, ecx
movzx esi, dx
push esi
call fcn.004636d7
test eax, eax
je 0x43e1b8
push esi
push eax
lea ecx, [ebp - 0xbc4]
call fcn.00401f60
jmp 0x43e1b2
lea eax, [ebp - 0x1c]
push eax
lea ecx, [ebp - 0xbc4]
call fcn.0041bd10
mov edi, dword [ebp - 0xbc4]
mov dword [ebp - 4], 1
mov eax, dword [edi - 0xc]
push eax
push edi
call dword [sym.imp.OLEAUT32.dll_SysReAllocStringLen]
test eax, eax
jne 0x43e1d3
call fcn.00402290
mov esi, 0xf423f
xor ecx, ecx
cmp word [eax + ecx*2], 0
je 0x43e1ed
mov dl, byte [eax + ecx*2]
mov byte [ebp + ecx - 0x184], dl
jmp 0x43e1f7
xor esi, esi
mov byte [ebp + ecx - 0x184], 0
inc ecx
cmp ecx, esi
jb 0x43e1da
lea eax, [edi - 0x10]
mov dword [ebp - 4], 0xffffffff
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e21f
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov cl, byte [ebp - 0x184]
xor eax, eax
lea edx, [ebp - 0x184]
test cl, cl
je 0x43e24a
movsx ecx, cl
add eax, ecx
imul eax, eax, 0x401
mov ecx, eax
shr ecx, 6
inc edx
xor eax, ecx
mov cl, byte [edx]
test cl, cl
jne 0x43e231
lea eax, [eax + eax*8]
mov edx, eax
shr edx, 0xb
xor eax, edx
imul eax, eax, 0x8001
push eax
lea eax, [ebp - 0x80]
push 0x5b4a8c
push eax
call fcn.00551c3d
add esp, 0xc
call fcn.00469967
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x43e286
push 0x80004005
call fcn.00401090
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0xbc4], eax
lea ecx, [ebp - 0x80]
mov dword [ebp - 4], 2
test ecx, 0xffff0000
jne 0x43e2c8
mov edx, ecx
movzx esi, dx
push esi
call fcn.004636d7
test eax, eax
je 0x43e2d7
push esi
push eax
lea ecx, [ebp - 0xbc4]
call fcn.00401f60
jmp 0x43e2d7
lea eax, [ebp - 0x80]
push eax
lea ecx, [ebp - 0xbc4]
call fcn.0041bd10
lea ecx, [ebp - 0xbc4]
push ecx
mov ecx, ebx
mov dword [ebp - 4], 3
call fcn.00405080
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0xbc4]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x43e315
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
lea ecx, [ebp - 0xbd8]
push ecx
lea edx, [ebp - 0x9b8]
push edx
mov dword [ebp - 0xbd8], 0x7d0
call dword [sym.imp.ADVAPI32.dll_GetUserNameW]
test eax, eax
je 0x43e4d9
lea eax, [ebp - 0x9b8]
push eax
lea ecx, [ebp - 0xbc4]
call fcn.00401d50
mov dword [ebp - 4], 4
mov eax, dword [eax]
mov ecx, dword [eax - 0xc]
push ecx
push eax
call dword [sym.imp.OLEAUT32.dll_SysReAllocStringLen]
test eax, eax
jne 0x43e36a
call fcn.00402290
mov esi, 0xf423f
xor ecx, ecx
cmp word [eax + ecx*2], 0
je 0x43e384
mov dl, byte [eax + ecx*2]
mov byte [ebp + ecx - 0x184], dl
jmp 0x43e38e
xor esi, esi
mov byte [ebp + ecx - 0x184], 0
inc ecx
cmp ecx, esi
jb 0x43e371
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0xbc4]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e3bc
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
lea edx, [ebp - 0x184]
call fcn.0043eab0
push eax
lea ecx, [ebp - 0x80]
push 0x5b4a8c
push ecx
call fcn.00551c3d
add esp, 0xc
lea edx, [ebp - 0x80]
push edx
lea ecx, [ebp - 0xbcc]
call fcn.0041b810
mov esi, eax
push 0x5afbc8
lea ecx, [ebp - 0xbe4]
mov dword [ebp - 4], 5
call fcn.00401d50
push eax
lea eax, [ebp - 0xbd4]
push ebx
push eax
mov byte [ebp - 4], 6
call fcn.0041ba90
push esi
push eax
lea ecx, [ebp - 0xbc4]
mov bl, 7
push ecx
mov byte [ebp - 4], bl
call fcn.0041ba90
add esp, 0x18
mov ecx, dword [ebp - 0xbc8]
push eax
mov byte [ebp - 4], 8
call fcn.00405080
mov byte [ebp - 4], bl
mov eax, dword [ebp - 0xbc4]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x43e45e
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [ebp - 4], 6
mov eax, dword [ebp - 0xbd4]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e484
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [ebp - 4], 5
mov eax, dword [ebp - 0xbe4]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e4aa
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0xbcc]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e4d3
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ebx, dword [ebp - 0xbc8]
lea ecx, [ebp - 0xbe0]
push ecx
lea edx, [ebp - 0xbc0]
push edx
mov dword [ebp - 0xbe0], 0x104
call dword [sym.imp.KERNEL32.dll_GetComputerNameW]
test eax, eax
je 0x43e61b
lea eax, [ebp - 0x9b8]
push eax
lea ecx, [ebp - 0xbcc]
call fcn.00401d50
mov dword [ebp - 4], 9
mov eax, dword [eax]
mov ecx, dword [eax - 0xc]
push ecx
push eax
call dword [sym.imp.OLEAUT32.dll_SysReAllocStringLen]
test eax, eax
jne 0x43e52e
call fcn.00402290
mov esi, 0xf423f
xor ecx, ecx
cmp word [eax + ecx*2], 0
je 0x43e548
mov dl, byte [eax + ecx*2]
mov byte [ebp + ecx - 0x184], dl
jmp 0x43e552
xor esi, esi
mov byte [ebp + ecx - 0x184], 0
inc ecx
cmp ecx, esi
jb 0x43e535
or esi, 0xffffffff
mov dword [ebp - 4], esi
mov eax, dword [ebp - 0xbcc]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
mov edx, esi
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e57e
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
lea edx, [ebp - 0x184]
call fcn.0043eab0
push eax
lea ecx, [ebp - 0x1e8]
push 0x5b4a8c
push ecx
call fcn.00551c3d
add esp, 0xc
lea edx, [ebp - 0x1e8]
push edx
lea ecx, [ebp - 0xbdc]
call fcn.0041b810
push eax
lea eax, [ebp - 0xbd0]
push ebx
push eax
mov dword [ebp - 4], 0xa
call fcn.0041ba90
add esp, 0xc
push eax
mov ecx, ebx
mov byte [ebp - 4], 0xb
call fcn.00405080
mov byte [ebp - 4], 0xa
mov eax, dword [ebp - 0xbd0]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
mov edx, esi
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43e5f9
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [ebp - 4], esi
mov eax, dword [ebp - 0xbdc]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
lock xadd dword [ecx], esi
dec esi
test esi, esi
jg 0x43e61b
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0054f72c
mov esp, ebp
pop ebp
ret