joyce8/EMBER2024-capa huggingface dataset:
Function at 0x48d040
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x48d05a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4ea4a8
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strpbrk]
add esp, 8
test eax, eax
je 0x48d0a3
test ebp, ebp
je 0x48d094
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x48d0c9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x48d0c9
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x48d17f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x48d0e6
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x4fd0dc]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x48d175
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x48d175
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x48d118
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x48d130
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x48d140
test ebp, ebp
je 0x48d16c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4fd0e0]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x4fd0e0]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x492690
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x4926a4
mov eax, dword [eax]
mov eax, dword [eax + 0x78]
mov al, byte [eax + 0xe7]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4926b8
xor al, al
ret
push eax
push 0
call fcn.0048b170
add esp, 8
mov al, 1
ret

Function at 0x493240
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov ecx, dword [esp + 4]
mov eax, dword [ecx]
cmp byte [eax + 0xb2c], 0
je 0x493258
mov dword [esp + 4], ecx
jmp fcn.004b5110
mov dword [esp + 4], ecx
jmp fcn.00480c00
Function at 0x4984f0
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x4fd140]
xor eax, esp
mov dword [esp + 0x30], eax
push ebx
mov ebx, dword [esp + 0x48]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x18], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x4986d6
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x20], xmm0
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x4986c4
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4986c4
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x4986c4
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4986c4
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4986c4
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4986c4
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4986c4
push ebx
push 0x4ebd88
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.0048d6d0
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x498622
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x4986c4
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x4986c4
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x498677
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x49867c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x498666
cmp esi, 0xfffffffc
je 0x4986a9
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4986c4
cmp esi, 0xfffffffd
je 0x4986a9
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4986c4
cmp esi, 0xfffffffe
je 0x4986a9
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4986c4
cmp esi, 0xffffffff
je 0x4986a9
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4986c4
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.004c053f
add esp, 0x34
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
mov ecx, dword [esp + 0x3c]
or eax, 0xffffffff
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004c053f
add esp, 0x34
ret
Function at 0x49c580
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push esi
xor esi, esi
mov dword [esp + 4], esi
mov dword [eax], esi
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x49c732
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x49c71c
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x49c5cf
lea ebp, [eax + 0xe]
jmp 0x49c5db
cmp eax, 0x17
jne 0x49c689
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x49c689
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x49c689
cmp eax, ebp
jb 0x49c689
push 0x20
call dword [0x4fd0dc]
mov edi, eax
add esp, 4
test edi, edi
je 0x49c711
mov ecx, dword [ebx]
mov dword [edi], ecx
mov ecx, dword [ebx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [edi + 8], ecx
mov eax, dword [ebx + 0xc]
push ebp
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], ebp
mov dword [edi + 0x18], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
call dword [0x4fd0dc]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x49c700
push ebp
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x49c675
push eax
call dword [0x4fd0e8]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x49c6e6
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x49c685
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x49c5c2
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x49c6a8
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x49c718
test esi, esi
je 0x49c6d5
push dword [esi + 0x18]
call dword [0x4fd0e0]
push dword [esi + 0x14]
call dword [0x4fd0e0]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x4fd0e0]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x49c6b0
mov eax, dword [esp + 0x28]
xor esi, esi
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
push dword [edi + 0x18]
mov ebx, 8
call dword [0x4fd0e0]
push edi
call dword [0x4fd0e0]
add esp, 8
jmp 0x49c698
push edi
mov ebx, 8
call dword [0x4fd0e0]
add esp, 4
jmp 0x49c698
mov ebx, 8
jmp 0x49c698
test esi, esi
jne 0x49c728
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret

Function at 0x49cb90
Capabilities:
Create thread

Disassembly:
push 0
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
mov ecx, eax
add esp, 0x18
xor eax, eax
test ecx, ecx
je 0x49cbb7
cmp ecx, 0xffffffff
cmovne eax, ecx
ret
Function at 0x4a0350
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x4fd0e4]
mov edi, eax
add esp, 8
test edi, edi
je 0x4a03a7
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x4a03bf
cmp esi, ebx
je 0x4a03bf
cmp esi, 0x8000
ja 0x4a03bf
cmp esi, ebx
jb 0x4a03b8
push esi
push edi
call dword [0x4fd0e4]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4a0370
push ebp
call dword [0x4fd0e0]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x4fd0e0]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4a5e30
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x4fd140]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x424]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4a5e92
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push edi
call fcn.0048b170
add esp, 8
cmp esi, 0xffffffff
jne 0x4a5eb6
push str.Error_accept__ing_server_connect
push ebx
call fcn.0048a5c0
add esp, 8
mov eax, 0x1e
jmp 0x4a5f25
push str.Connection_accepted_from_server_n
push ebx
call fcn.0048a6a0
push 1
push esi
mov byte [edi + 0x514], 0
mov dword [edi + 0x424], esi
call fcn.004986f0
add esp, 0x10
mov byte [edi + 0x7f0], 1
cmp dword [ebx + 0x610], 0
je 0x4a5f23
push 1
push ebx
call fcn.0047c2e0
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.0047c2e0
add esp, 0x1c
test esi, esi
je 0x4a5f23
push edi
call fcn.004a63c0
add esp, 4
mov eax, 0x2a
jmp 0x4a5f25
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004c053f
add esp, 0x88
ret
Function at 0x4ad3b0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x420]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ad3fc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0048a5c0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004acfc0
add esp, 0x10
pop edi
pop esi
pop ebx
ret

Function at 0x4ad540
Capabilities:
Send data
Send data on socket

Disassembly:
cmp dword [esp + 8], 0x1f
push ebx
push ebp
mov ebp, dword [esp + 0xc]
mov ebp, dword [ebp]
mov ebx, dword [ebp + 0x14c]
jne 0x4ad68c
lea ecx, [ebx + 0x1cb0]
push edi
lea edi, [ebx + 0x1eb0]
mov eax, ecx
mov dword [edi], ecx
cmp ecx, edi
jae 0x4ad577
lea eax, [ecx + 1]
mov byte [ecx], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x4ad58b
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad58b
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x18], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x18]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ad5f6
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov dword [ebx + 0x1eb4], eax
lea esi, [ebx + 0x1cb0]
sub eax, esi
mov dword [edi], esi
sub eax, 2
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push ebp
call fcn.004ad0c0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [esp + 0x20]
push dword [esi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4ad64c
call edi
push eax
push str.Sending_data_failed___d_
push ebp
call fcn.0048a5c0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004ad420
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4ad68b
call edi
push eax
push str.Sending_data_failed___d_
push ebp
call fcn.0048a5c0
add esp, 0xc
pop edi
pop ebp
pop ebx
ret
Function at 0x4c02b0
Capabilities:
Encode data using xor

Disassembly:
push esi
push edi
mov edi, dword [esp + 0x10]
xor esi, esi
test edi, edi
je 0x4c02fc
push ebx
mov ebx, dword [esp + 0x10]
mov cl, byte [esi + ebx]
mov dl, cl
mov al, cl
shr dl, 1
and al, 0xfe
not dl
movzx eax, al
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
shr dl, 1
xor dl, cl
or cl, 1
test dl, 2
movzx ecx, cl
cmove ecx, eax
mov byte [esi + ebx], cl
inc esi
cmp esi, edi
jb 0x4c02c1
pop ebx
pop edi
pop esi
ret

Function at 0x4c0410
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
sub esp, 0xc
push ebp
mov ebp, dword [esp + 0x14]
push esi
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x4fd0dc]
mov esi, eax
add esp, 4
test esi, esi
jne 0x4c043b
pop esi
pop ebp
add esp, 0xc
ret
lea ecx, [esi + 0xc]
mov dword [esi], ebp
mov dword [esi + 4], ecx
mov eax, dword [ebp + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x24]
mov dword [esi + 8], eax
push edi
lea edi, [ebp + 4]
cmp ebx, dword [ebp + 0x10]
jbe 0x4c048a
mov eax, dword [ebp]
push ecx
call eax
mov eax, dword [edi]
push ebx
push dword [esp + 0x2c]
push dword [esi + 4]
call eax
mov eax, dword [esi + 8]
add eax, dword [ebp + 0xc]
push dword [esi + 4]
mov dword [esp + 0x28], eax
push eax
mov eax, dword [ebp + 8]
call eax
mov ebx, dword [ebp + 0x14]
add esp, 0x18
mov dword [esp + 0x28], ebx
jmp 0x4c0492
mov eax, dword [esp + 0x24]
mov dword [esp + 0x14], eax
push dword [esi + 4]
mov eax, dword [ebp]
call eax
push dword [esi + 8]
mov eax, dword [ebp]
call eax
mov eax, dword [esp + 0x30]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x4c0503
mov ebp, dword [esp + 0x14]
mov ebx, eax
mov dword [esp + 0x18], eax
nop dword [eax]
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x13], al
lea eax, [esp + 0x13]
push 1
push eax
push dword [esi + 4]
mov eax, dword [edi]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x1f], al
lea eax, [esp + 0x1f]
push 1
push eax
push dword [esi + 8]
mov eax, dword [edi]
call eax
add esp, 0x18
sub ebx, 1
jne 0x4c04c0
mov ebx, dword [esp + 0x18]
mov ebp, dword [esp + 0x20]
cmp ebx, dword [ebp + 0x10]
jae 0x4c0535
nop dword [eax + eax]
mov eax, dword [edi]
push 1
push 0x4f2bce
push dword [esi + 4]
call eax
mov eax, dword [edi]
push 1
push 0x4f2bcf
push dword [esi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [ebp + 0x10]
jb 0x4c0510
pop edi
pop ebx
mov eax, esi
pop esi
pop ebp
add esp, 0xc
ret

Function at 0x4c1abc
Capabilities:
Parse pe header

Disassembly:
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test eax, eax
je 0x4c1afb
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x4c1afb
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x4c1afb
mov eax, 0x10b
cmp word [ecx + 0x18], ax
jne 0x4c1afb
cmp dword [ecx + 0x74], 0xe
jbe 0x4c1afb
cmp dword [ecx + 0xe8], 0
setne al
ret
xor al, al
ret
Function at 0x4c1eab
Capabilities:
Get geographical location

Disassembly:
push ebp
mov ebp, esp
push ecx
push 2
lea eax, [ebp - 4]
push eax
push 0x20000001
push str._x_sys_default_locale
call dword [sym.imp.KERNEL32.dll_GetLocaleInfoEx]
xor ecx, ecx
test eax, eax
jne 0x4c1ed2
mov eax, ecx
mov dword [ebp - 4], eax
jmp 0x4c1ed5
mov eax, dword [ebp - 4]
push esi
mov esi, dword [ebp + 0xc]
push ecx
push ecx
push esi
push eax
push dword [ebp + 8]
push ecx
push 0x1300
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
push eax
push dword [esi]
call fcn.004c1e87
pop esi
leave
ret 8

Function at 0x431001
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
mov eax, section..text
mov ebx, 0x40915c
nop
mov ecx, 0x43a95fbb
nop
nop
nop
nop
test eax, eax
nop
nop
nop
nop
nop
je 0x43104e
xor dword [eax], ecx
nop
nop
nop
nop
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
inc eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
inc eax
nop
nop
nop
cmp eax, ebx
nop
nop
jne 0x431024
nop
nop
nop
mov eax, section..reloc
nop
mov ebx, 0x42f3f8
nop
mov ecx, 0x3c752fd0
nop
nop
nop
nop
nop
test eax, eax
je 0x431084
nop
nop
nop
nop
nop
nop
xor dword [eax], ecx
nop
nop
add eax, 4
nop
nop
nop
cmp eax, ebx
nop
nop
nop
nop
nop
nop
jne 0x43106c
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x401219
Function at 0x401026
Capabilities:
Create process on windows
Delete file
Read file on windows
Set file attributes
Write and execute a file
Write file on windows

Disassembly:
push ebp
mov edx, section..text
push edi
push esi
push ebx
sub esp, 0x574
lea ecx, [esp + 0x64]
cmp edx, entry0
jae 0x40104c
movzx eax, byte [edx]
inc edx
xor al, 0xd9
mov byte [ecx], al
inc ecx
jmp 0x401039
mov byte [ecx], 0
lea esi, [esp + 0x64]
push esi
push 1
push 0
call 0x401220
push 0x104
lea ebx, [esp + 0x468]
push ebx
push 0
call sub.KERNEL32.dll_GetModuleFileNameA
push 0
push 0
push 3
push 0
push 1
push 0x80000000
push ebx
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 2
push 0
push 0xffffffffffffff9c
push eax
call sub.KERNEL32.dll_SetFilePointer
push 0
lea ebp, [esp + 4]
push ebp
push 0x64
push esi
push ebx
call sub.KERNEL32.dll_ReadFile
push ebx
call sub.KERNEL32.dll_CloseHandle
lea edx, [esp + 0x65]
lea ecx, [esp + 0xc7]
cmp edx, ecx
jae 0x4010d4
movzx eax, byte [esp + 0x64]
xor byte [edx], al
inc edx
jmp 0x4010c6
lea edx, [esp + 0x14]
lea eax, [esp + 0x58]
cmp edx, eax
jae 0x4010e6
mov byte [edx], 0
inc edx
jmp 0x4010dc
lea eax, [esp + 4]
push eax
lea eax, [esp + 0x18]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push 0
lea eax, [esp + 0x8d]
push eax
call sub.KERNEL32.dll_CreateProcessA
test eax, eax
jne 0x401205
push 0
push 0
push 3
push 0
push 1
push 0x80000000
lea eax, [esp + 0x47c]
push eax
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 2
mov eax, 0xffffff9c
push 0
sub eax, dword [esp + 0x6d]
push eax
push ebx
call sub.KERNEL32.dll_SetFilePointer
push 0
push ebp
push dword [esp + 0x6d]
push dword [esp + 0x71]
push 0
call sub.KERNEL32.dll_GetProcessHeap
push eax
call sub.KERNEL32.dll_HeapAlloc
push eax
mov esi, eax
push ebx
call sub.KERNEL32.dll_ReadFile
push ebx
call sub.KERNEL32.dll_CloseHandle
mov eax, esi
mov edx, esi
add eax, dword [esp + 0x65]
cmp esi, eax
jae 0x40119b
movzx eax, byte [esp + 0x64]
xor byte [edx], al
mov eax, esi
inc edx
add eax, dword [esp + 0x65]
cmp edx, eax
jmp 0x401187
push pe_nt_image_headers32
lea edi, [esp + 0x6d]
push edi
call sub.KERNEL32.dll_SetFileAttributesA
push edi
call sub.KERNEL32.dll_DeleteFileA
push 0
push pe_nt_image_headers32
push 2
push 0
push 0
push 0x40000000
push edi
call sub.KERNEL32.dll_CreateFileA
test eax, eax
mov ebx, eax
je 0x401205
cmp eax, 0xffffffff
je 0x401205
push 0
push ebp
push dword [esp + 0x6d]
push esi
push eax
call sub.KERNEL32.dll_WriteFile
push ebx
call sub.KERNEL32.dll_CloseHandle
lea eax, [esp + 4]
push eax
lea eax, [esp + 0x18]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push edi
call sub.KERNEL32.dll_CreateProcessA
push 0
call sub.KERNEL32.dll_ExitProcess
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
jmp dword [sym.imp.KERNEL32.dll_CreateMutexA]

Function at 0x42c005
Capabilities:
Packed with generic packer

Disassembly:
jmp fcn.0042a8d0
jmp section.42vab535
Function at 0x433000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43300c
nop
nop
nop
nop
nop
pop eax
nop
add eax, 0x40a063
nop
sub eax, 0x40a009
nop
mov ebx, dword [eax]
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
jl 0x433030
nop
nop
nop
nop
nop
add eax, 0xc
nop
nop
nop
nop
nop
cmp dword [eax], 0
nop
jne 0x43301e
nop
nop
nop
nop
popal
nop
nop
nop
nop
jmp 0x431219