joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b90d0
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5cbbc0
push 0x4df81c
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
push esi
push edi
mov dword [ebp - 0x18], esp
mov dword [ebp - 4], 0
push dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
rdtsc
mov esi, eax
mov edi, edx
call ebx
rdtsc
pop ebx
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x1c], esi
mov dword [ebp - 4], 0xffffffff
xor esi, esi
mov edi, dword [ebp - 0x20]
push 1
push esi
push esi
mov eax, dword [ebp - 0x28]
push eax
call fcn.004dd6a0
sub eax, esi
sbb edx, edi
mov ecx, dword [ebp - 0x1c]
sub eax, ecx
sbb edx, esi
mov ecx, dword [ebp - 0x24]
add eax, ecx
adc edx, esi
mov ecx, dword [ebp - 0x10]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4b9280
Capabilities:
Check os version

Disassembly:
sub esp, 0xa0
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0xc]
rep stosd dword es:[edi], eax
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0x9c
push eax
call esi
test eax, eax
jne 0x4b92c1
lea ecx, [esp + 0xc]
mov dword [esp + 0xc], 0x94
push ecx
call esi
test eax, eax
je 0x4b932e
cmp dword [esp + 0x1c], 2
jne 0x4b932e
cmp dword [esp + 0x10], 5
jne 0x4b932e
cmp dword [esp + 0x14], 1
jne 0x4b932e
push str.kernel32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x4b9318
push str.IsWow64Process
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x4b9309
lea edx, [esp + 8]
push edx
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call esi
jmp 0x4b9311
mov dword [esp + 8], 0
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [esp + 8]
test eax, eax
je 0x4b932e
pop edi
mov eax, 1
pop esi
add esp, 0xa0
ret
pop edi
xor eax, eax
pop esi
add esp, 0xa0
ret
Function at 0x4b9ec0
Capabilities:
Get storage device properties

Disassembly:
mov eax, 0x2820
call fcn.004ddf90
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.004def3e
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 0x4ba06d
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 0x4ba06d
mov ecx, dword [esp + 0x283c]
mov edx, dword [esp + 0x128]
push ecx
push 0
lea eax, [esp + 0x124]
push edx
push eax
call fcn.004ba080
mov ecx, dword [esp + 0x2848]
mov edx, dword [esp + 0x13c]
push ecx
push 0
lea eax, [esp + 0x134]
push edx
push eax
call fcn.004ba080
mov ecx, dword [esp + 0x2860]
mov edx, dword [esp + 0x150]
push ecx
push 0
lea eax, [esp + 0x144]
push edx
push eax
call fcn.004ba080
mov ecx, dword [esp + 0x2864]
mov edx, dword [esp + 0x164]
push ecx
push 1
lea eax, [esp + 0x154]
push edx
push eax
call fcn.004ba080
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 0x4ba06d
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 0x4bc3f0
Capabilities:
Encrypt data using des

Disassembly:
sub esp, 0xf4
xor ecx, ecx
push ebx
push ebp
push esi
mov esi, dword [esp + 0x104]
push edi
xor eax, eax
mov al, byte [ecx + str.80_]
mov edx, eax
and eax, 7
sar edx, 3
mov bl, byte [eax*2 + 0x6b94f4]
mov dl, byte [edx + esi]
test bl, dl
setne al
mov byte [esp + ecx + 0x4c], al
inc ecx
cmp ecx, 0x38
jl 0x4bc403
mov eax, 0x1e
xor edx, edx
mov dword [esp + 0x10], eax
cmp dword [esp + 0x10c], 1
je 0x4bc444
lea eax, [edx + edx]
lea edi, [esp + eax*4 + 0x88]
lea ebp, [esp + eax*4 + 0x84]
xor eax, eax
xor ecx, ecx
mov cl, byte [edx + 0x6b959c]
mov dword [edi], 0
mov dword [ebp], 0
mov esi, ecx
cmp ecx, 0x1c
jge 0x4bc476
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4bc47a
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x1c
jl 0x4bc46b
mov eax, 0x1c
lea ecx, [esi + 0x1c]
cmp ecx, 0x38
jge 0x4bc498
mov bl, byte [esp + ecx + 0x4c]
jmp 0x4bc49c
mov bl, byte [esp + ecx + 0x30]
mov byte [esp + eax + 0x14], bl
inc eax
inc ecx
cmp eax, 0x38
jl 0x4bc48d
xor ecx, ecx
mov eax, 0x6b9504
xor ebx, ebx
mov bl, byte [ecx + 0x6b95ac]
cmp byte [esp + ebx + 0x14], 0
je 0x4bc4c7
mov esi, dword [eax]
mov ebx, dword [ebp]
or ebx, esi
mov dword [ebp], ebx
xor ebx, ebx
mov bl, byte [ecx + 0x6b95c4]
cmp byte [esp + ebx + 0x14], 0
je 0x4bc4de
mov esi, dword [eax]
mov ebx, dword [edi]
or ebx, esi
mov dword [edi], ebx
add eax, 4
inc ecx
cmp eax, str.80_
jl 0x4bc4ae
mov eax, dword [esp + 0x10]
inc edx
sub eax, 2
cmp eax, 0xfffffffe
mov dword [esp + 0x10], eax
jg 0x4bc437
lea edx, [esp + 0x84]
push edx
call fcn.004bc520
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xf4
ret
Function at 0x4c14c0
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x520308
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x2c
mov eax, dword [esp + 0x40]
push ebx
push esi
lea ecx, [esp + 8]
push eax
push ecx
mov ecx, dword [esp + 0x4c]
call fcn.004c18c0
mov esi, eax
lea edx, [esp + 0x48]
xor ebx, ebx
push edx
lea ecx, [esp + 0x1c]
mov dword [esp + 0x40], ebx
mov dword [esp + 0x4c], 0x7152fc
call fcn.004dfac8
mov ecx, dword [0x5cc8bc]
mov al, byte [esi]
push ecx
push ebx
push esi
lea ecx, [esp + 0x30]
mov byte [esp + 0x48], 1
mov byte [esp + 0x30], al
mov dword [esp + 0x34], ebx
mov dword [esp + 0x38], ebx
mov dword [esp + 0x3c], ebx
call fcn.004bebe0
mov esi, 0x5cc914
mov dword [esp + 0x18], esi
mov eax, dword [esp + 0xc]
mov byte [esp + 0x3c], 3
cmp eax, ebx
je 0x4c1567
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4c155e
cmp al, 0xff
je 0x4c155e
dec al
mov byte [ecx], al
jmp 0x4c1567
push ecx
call fcn.0050e10c
add esp, 4
lea ecx, [esp + 0x18]
mov dword [esp + 0xc], ebx
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], ebx
call fcn.005091c0
mov eax, dword [esp + 0x28]
mov dword [esp + 0x3c], 0xffffffff
cmp eax, ebx
mov dword [esp + 0x18], esi
je 0x4c15ad
lea ecx, [eax - 1]
mov al, byte [eax - 1]
cmp al, bl
je 0x4c15a4
cmp al, 0xff
je 0x4c15a4
dec al
mov byte [ecx], al
jmp 0x4c15ad
push ecx
call fcn.0050e10c
add esp, 4
lea ecx, [esp + 0x18]
mov dword [esp + 0x28], ebx
mov dword [esp + 0x2c], ebx
mov dword [esp + 0x30], ebx
call fcn.004dfb4f
mov ecx, dword [esp + 0x34]
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x38
ret

Function at 0x4c55d0
Capabilities:
Check for time delay via gettickcount

Disassembly:
sub esp, 0xa0
push ebx
push ebp
mov ebp, dword [esp + 0xac]
push esi
push edi
push ebp
call sub.RASAPI32.dll_RasHangUpA
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, 0x28
xor eax, eax
lea edi, [esp + 0x10]
rep stosd dword es:[edi], eax
mov dword [esp + 0x10], 0xa0
call esi
mov edi, eax
call esi
sub eax, edi
cmp eax, 0xbb8
jae 0x4c5636
mov ebx, dword [sym.imp.KERNEL32.dll_Sleep]
lea eax, [esp + 0x10]
push eax
push ebp
call sub.RASAPI32.dll_RasGetConnectStatusA
cmp eax, 6
je 0x4c5636
push 0
call ebx
call esi
sub eax, edi
cmp eax, 0xbb8
jb 0x4c5617
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xa0
ret

Function at 0x4c59c0
Capabilities:
Create http request

Disassembly:
push esi
mov esi, ecx
cmp dword [esi], 0
jne 0x4c59f8
mov edx, dword [esi + 4]
xor eax, eax
push 0
push 0
mov ecx, dword [edx - 8]
test ecx, ecx
setne al
mov ecx, eax
neg ecx
sbb ecx, ecx
and ecx, edx
neg eax
sbb eax, eax
push ecx
and eax, 2
inc eax
push eax
push str.Mozilla_4.0__compatible__MSIE_6.0__Windows_NT_5.0_
call dword [sym.imp.WININET.dll_InternetOpenA]
mov dword [esi], eax
mov ecx, dword [esi]
xor eax, eax
test ecx, ecx
setne al
pop esi
ret
Function at 0x4c6670
Capabilities:
Get socket status

Disassembly:
sub esp, 0x10c
mov eax, dword [ecx]
lea ecx, [esp]
push ecx
push 0
lea edx, [esp + 0x10]
push 0
push edx
push 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 0
mov dword [esp + 0x20], eax
mov dword [esp + 0x1c], 1
call sub.WS2_32.dll_select
cmp eax, 0xffffffff
jne 0x4c66b9
xor eax, eax
add esp, 0x10c
ret 4
mov edx, dword [esp + 0x110]
xor ecx, ecx
test eax, eax
setne cl
mov dword [edx], ecx
mov eax, 1
add esp, 0x10c
ret 4

Function at 0x4c6b30
Capabilities:
Access peb ldr_data

Disassembly:
push 0xffffffffffffffff
push 0x520630
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 8
push esi
mov esi, ecx
lea ecx, [esp + 4]
call fcn.004c66e0
lea eax, [esp + 4]
lea ecx, [esi + 4]
push eax
mov dword [esp + 0x18], 0
call fcn.004c6760
lea ecx, [esp + 4]
push ecx
lea ecx, [esi + 0x14]
call fcn.004c6760
lea ecx, [esi + 0xc]
call fcn.0050e32d
lea ecx, [esi + 0x10]
call fcn.0050e32d
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x1c]
call fcn.004c7d00
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x30]
call fcn.004c7d00
push 0xffffffffffffffff
push 0
lea ecx, [esi + 0x44]
call fcn.004c7d00
lea ecx, [esp + 8]
mov dword [esp + 0x14], 1
call fcn.0050e3a2
lea ecx, [esp + 4]
mov dword [esp + 0x14], 0xffffffff
call fcn.0050e3a2
mov ecx, dword [esp + 0xc]
pop esi
mov dword fs:[0], ecx
add esp, 0x14
ret
Function at 0x4cba40
Capabilities:
Terminate process

Disassembly:
push ecx
push ebx
push ebp
push esi
push 0x800
call fcn.004de297
mov esi, dword [esp + 0x18]
add esp, 4
mov edx, eax
xor ebp, ebp
test esi, esi
mov dword [esp + 0xc], edx
jne 0x4cba68
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 0x4cba83
pop esi
pop ebp
pop ebx
pop ecx
ret
mov al, byte [esi]
inc esi
test al, al
je 0x4cbb59
cmp ebp, 0x400
je 0x4cbb44
cmp al, 0x25
jne 0x4cbb23
mov al, byte [esi]
inc esi
test al, al
je 0x4cbb3c
mov cl, byte [esi]
inc esi
test cl, cl
mov byte [esp + 0x14], cl
je 0x4cbb3c
movsx eax, al
push eax
call fcn.004df689
movsx ecx, byte [esp + 0x18]
push ecx
mov bl, al
call fcn.004df689
movsx edx, bl
push edx
mov byte [esp + 0x20], al
call fcn.004dd615
add esp, 0xc
test eax, eax
je 0x4cbb52
movsx eax, byte [esp + 0x14]
push eax
call fcn.004dd615
add esp, 4
test eax, eax
je 0x4cbb52
cmp bl, 0x39
jg 0x4cbb02
add bl, 0xd0
jmp 0x4cbb05
add bl, 0xa9
mov al, byte [esp + 0x14]
cmp al, 0x39
jg 0x4cbb11
add al, 0xd0
jmp 0x4cbb13
add al, 0xa9
mov ecx, dword [esp + 0xc]
shl bl, 4
add bl, al
mov edx, ecx
mov byte [ecx + ebp], bl
jmp 0x4cbb30
cmp al, 0x2b
jne 0x4cbb2d
mov byte [edx + ebp], 0x20
jmp 0x4cbb30
mov byte [edx + ebp], al
mov al, byte [esi]
inc ebp
inc esi
test al, al
jne 0x4cba8e
cmp ebp, 0x400
jne 0x4cbb59
pop esi
pop ebp
mov byte [edx + 0x3ff], 0
mov eax, edx
pop ebx
pop ecx
ret
push 0
call fcn.004dff3d
mov byte [edx + ebp], 0
pop esi
pop ebp
mov eax, edx
pop ebx
pop ecx
ret

Function at 0x4cf730
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 0x4cf760
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 0x4cf790
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 0x4cf7b0
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 0x4cf7e0
Capabilities:
Connect socket
Get socket status

Disassembly:
sub esp, 0x228
push esi
mov esi, dword [esp + 0x234]
test esi, esi
je 0x4cf9ce
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 0x4cf821
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.004cf760
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 0x4cf9b7
call fcn.004cf3d0
push eax
call fcn.004cf9e0
add esp, 4
cmp eax, 0xffffd8cd
je 0x4cf8b4
cmp eax, 0xffffd8cc
je 0x4cf8b4
push esi
mov edi, eax
call fcn.004cf730
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 0x4cf969
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 0x4cf99d
lea ecx, [esp + 0x2c]
push ecx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4cf9b7
lea edx, [esp + 0x130]
push edx
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
jne 0x4cf9b7
mov ecx, dword [esp + 0x248]
mov eax, dword [esp + 0x24c]
cmp dword [ecx], eax
je 0x4cf983
call fcn.004cf3d0
test eax, eax
jne 0x4cf99d
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
inc eax
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x4cf8cb
push esi
mov edi, 0xfffffff5
call fcn.004cf730
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xffffffec
call fcn.004cf730
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
mov edi, 0xfffffffb
call fcn.004cf730
add esp, 4
mov eax, edi
pop edi
pop ebx
pop esi
add esp, 0x228
ret
push esi
xor edi, edi
call fcn.004cf730
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
Function at 0x4cfdf0
Capabilities:
Get socket status
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov ecx, dword [esp + 0x114]
push esi
mov esi, dword [esp + 0x114]
mov dword [esp + 0xc], 1
test ecx, ecx
mov dword [esp + 0x10], esi
jne 0x4cfe23
push ecx
lea eax, [esp + 0x10]
push ecx
push eax
push ecx
lea ecx, [esi + 1]
push ecx
jmp 0x4cfe7b
cmp ecx, 0xffffffff
jne 0x4cfe3a
mov dword [esp + 4], 0
mov dword [esp + 8], 0
jmp 0x4cfe69
mov eax, 0x10624dd3
imul ecx
sar edx, 6
mov eax, edx
shr eax, 0x1f
add edx, eax
mov eax, ecx
mov dword [esp + 4], edx
mov ecx, 0x3e8
cdq
idiv ecx
lea eax, [edx + edx*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
shl edx, 3
mov dword [esp + 8], edx
lea eax, [esp + 4]
lea ecx, [esp + 0xc]
push eax
push 0
push ecx
lea edx, [esi + 1]
push 0
push edx
call sub.WS2_32.dll_select
test eax, eax
jge 0x4cfe91
mov eax, 0xfffffffb
pop esi
add esp, 0x10c
ret
jne 0x4cfea0
mov eax, 0xfffffffa
pop esi
add esp, 0x10c
ret
lea eax, [esp + 0xc]
push eax
push esi
call sub.WS2_32.dll___WSAFDIsSet
test eax, eax
je 0x4cfef9
mov ecx, dword [esp + 0x11c]
mov edx, dword [esp + 0x120]
push 0
push ecx
push edx
push esi
call sub.WS2_32.dll_send
test eax, eax
jg 0x4cfee1
call fcn.004cf3d0
push eax
call fcn.004cf9e0
add esp, 4
pop esi
add esp, 0x10c
ret
mov ecx, dword [0x721470]
test ecx, ecx
je 0x4cfefe
mov edx, dword [ecx]
pop esi
add edx, eax
mov dword [ecx], edx
add esp, 0x10c
ret
mov eax, 0xfffffff7
pop esi
add esp, 0x10c
ret

Function at 0x4cff10
Capabilities:
Resolve dns

Disassembly:
mov eax, dword [esp + 4]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x4cff1f
ret
mov ecx, dword [eax + 0xc]
push esi
push edi
mov edx, dword [ecx]
mov eax, dword [edx]
push eax
call sub.WS2_32.dll_inet_ntoa
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
mov eax, dword [esp + 0x10]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
pop edi
pop esi
ret

Function at 0x4d00b0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x14
mov edx, dword [esp + 0x18]
lea eax, [esp]
lea ecx, [esp + 4]
push eax
push ecx
push edx
mov dword [esp + 0xc], 0x10
call sub.WS2_32.dll_getsockname
test eax, eax
jne 0x4d00e6
mov eax, dword [esp + 6]
push eax
call sub.WS2_32.dll_ntohs
and eax, 0xffff
add esp, 0x14
ret
or eax, 0xffffffff
add esp, 0x14
ret

Function at 0x4d00f0
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x64
lea eax, [esp]
push esi
push 0x64
push eax
xor esi, esi
call sub.WS2_32.dll_gethostname
lea ecx, [esp + 4]
push ecx
call sub.WS2_32.dll_gethostbyname
test eax, eax
jne 0x4d0115
pop esi
add esp, 0x64
ret
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
test eax, eax
je 0x4d0128
mov eax, dword [eax]
push eax
call sub.WS2_32.dll_inet_ntoa
mov esi, eax
mov eax, esi
pop esi
add esp, 0x64
ret
Function at 0x4d0450
Capabilities:
Terminate thread

Disassembly:
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0xc]
push esi
push eax
call fcn.004d0580
add esp, 8
test eax, eax
jne 0x4d0469
pop esi
ret
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x4d0475
pop esi
ret
push 0
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov dword [esi + 0x8c], 0
pop esi
ret

Function at 0x4d0490
Capabilities:
Terminate thread

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
mov eax, dword [edi + 0x38c]
mov esi, dword [edi]
push eax
call fcn.004d0790
add esp, 4
test esi, esi
je 0x4d051a
mov edi, dword [esp + 0xc]
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_TerminateThread]
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x4d050e
cmp dword [esi + 8], 0xffffffff
je 0x4d050e
push 0
push eax
call ebp
mov dword [esi + 0x8c], 0
mov ecx, dword [edi + 0xa0]
test ecx, ecx
je 0x4d04fc
mov eax, dword [esi + 0x1c]
push 0
lea edx, [eax*8]
sub edx, eax
lea eax, [ecx + edx*4]
mov ecx, dword [ecx + edx*4 + 0x14]
mov edx, dword [eax + 0xc]
add ecx, edx
push ecx
jmp 0x4d0500
push 0
push 0
push esi
push 8
push 0x15
push edi
call fcn.004cbf50
add esp, 0x18
mov esi, dword [esi + 0x48]
test esi, esi
jne 0x4d04b6
mov edi, dword [esp + 0x14]
pop ebp
mov edx, dword [edi + 0x38c]
push edx
call fcn.004d07a0
add esp, 4
pop edi
pop esi
ret

Function at 0x4d1990
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
mov edx, eax
dec eax
test edx, edx
je 0x4d19cc
push ebx
push esi
lea esi, [eax + 1]
mov eax, dword [esp + 0x14]
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, ah
mov ax, word [edx*2 + 0x5cc948]
xor ax, bx
inc ecx
dec esi
jne 0x4d19a8
pop esi
pop ebx
ret
mov ax, word [esp + 0xc]
ret
Function at 0x4d56d0
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4d58a2
xor ecx, ecx
xor edx, edx
mov ch, byte [eax]
mov dl, byte [eax + 2]
mov cl, byte [eax + 1]
push ebx
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 3]
push ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 6]
mov dword [eax], ecx
xor ecx, ecx
push esi
mov ch, byte [eax + 4]
push edi
mov cl, byte [eax + 5]
xor ebp, ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
shl ecx, 8
or ecx, edx
mov edx, dword [esp + 0x18]
mov dword [eax + 4], ecx
xor ecx, ecx
mov ch, byte [eax + 8]
lea edi, [edx + 0xc]
mov cl, byte [eax + 9]
mov word [eax + 8], cx
mov ecx, dword [eax]
mov dword [edx], ecx
mov ecx, dword [eax + 4]
mov dword [edx + 4], ecx
mov cx, word [eax + 8]
mov word [edx + 8], cx
xor ecx, ecx
movzx si, byte [eax + 0xb]
mov ch, byte [eax + 0xa]
or ecx, esi
mov word [eax + 0xa], cx
mov word [edx + 0xa], cx
movzx si, byte [eax + 0xb]
xor ecx, ecx
mov ch, byte [eax + 0xa]
or ecx, esi
mov esi, dword [eax + 0xc]
mov word [eax + 0xa], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x11]
mov bp, word [eax + 0xa]
xor ecx, ecx
mov ch, byte [eax + 0x10]
add ebp, 0xc
or ecx, esi
mov word [eax + 0x10], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x11]
xor ecx, ecx
lea edi, [edx + ebp + 2]
mov ch, byte [eax + 0x10]
or ecx, esi
mov esi, dword [eax + 0x14]
mov word [eax + 0x10], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov cx, word [eax + 0x10]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x18], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x19]
xor ecx, ecx
mov ch, byte [eax + 0x18]
or ecx, esi
mov esi, dword [eax + 0x1c]
mov word [eax + 0x18], cx
and ecx, 0xffff
mov ebx, ecx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov cx, word [eax + 0x18]
lea ebp, [ecx + ebp + 2]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
lea edi, [edx + ebp + 2]
mov word [eax + 0x20], cx
mov word [edx + ebp], cx
movzx si, byte [eax + 0x21]
xor ecx, ecx
mov ch, byte [eax + 0x20]
or ecx, esi
mov esi, dword [eax + 0x24]
mov word [eax + 0x20], cx
and ecx, 0xffff
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 dl, byte [eax + 6]
xor ecx, ecx
mov ch, byte [eax + 4]
pop edi
mov cl, byte [eax + 5]
pop esi
shl ecx, 8
or ecx, edx
xor edx, edx
mov dl, byte [eax + 7]
pop ebp
shl ecx, 8
or ecx, edx
xor edx, edx
mov dh, byte [eax]
mov dword [eax + 4], ecx
mov dl, byte [eax + 1]
xor ecx, ecx
mov ch, byte [eax + 8]
pop ebx
mov cl, byte [eax + 9]
mov word [eax + 8], cx
xor ecx, ecx
mov cl, byte [eax + 2]
shl edx, 8
or edx, ecx
xor ecx, ecx
mov cl, byte [eax + 3]
shl edx, 8
or edx, ecx
mov dword [eax], edx
ret