joyce8/EMBER2024-capa huggingface dataset:
Function at 0x497700
Capabilities:
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
mov esi, dword [esp + 0x30]
mov eax, dword [esi + 0x78]
push edi
mov dword [esp + 0x34], eax
test eax, eax
je 0x4978d5
lea eax, [esp + 0x20]
push eax
call fcn.004a4b60
mov ecx, dword [eax + 4]
mov edx, dword [eax + 0xc]
mov ebp, dword [eax]
mov ebx, dword [eax + 8]
mov eax, dword [esp + 0x40]
mov edi, dword [esp + 0x3c]
add esp, 4
push 0
push 0x3e8
push eax
push edi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x2c], edx
call fcn.004dd0d0
add ebp, eax
adc dword [esp + 0x14], edx
imul eax, eax, 0x3e8
sub edi, eax
imul edi, edi, 0x3e8
add ebx, edi
mov dword [esp + 0x10], ebp
mov dword [esp + 0x18], ebx
cmp ebx, 0xf4240
jl 0x49778c
add ebp, 1
adc dword [esp + 0x14], 0
sub ebx, 0xf4240
mov dword [esp + 0x10], ebp
mov dword [esp + 0x18], ebx
mov eax, dword [esi + 0xf60]
mov edi, dword [esp + 0x40]
lea ecx, [esi + 0xf60]
test eax, eax
je 0x4977bc
mov edx, dword [eax]
cmp dword [edx + 0x20], edi
je 0x4977b0
mov eax, dword [eax + 8]
test eax, eax
jne 0x4977a0
jmp 0x4977bc
push 0
push eax
push ecx
call fcn.004c1060
add esp, 0xc
mov ecx, edi
lea eax, [esp + 0x10]
mov edx, esi
call fcn.00497650
mov eax, dword [esi + 0xf28]
or eax, dword [esi + 0xf2c]
jne 0x4977e3
cmp dword [esi + 0xf30], eax
je 0x49786d
mov ecx, dword [esi + 0xf28]
mov edx, dword [esi + 0xf2c]
sub esp, 0x10
mov eax, esp
mov dword [eax], ecx
mov ecx, dword [esi + 0xf30]
mov dword [eax + 4], edx
mov edx, dword [esi + 0xf34]
mov dword [eax + 8], ecx
mov ecx, dword [esp + 0x24]
mov dword [eax + 0xc], edx
mov edx, dword [esp + 0x2c]
sub esp, 0x10
mov eax, esp
mov dword [eax], ebp
mov dword [eax + 4], ecx
mov dword [eax + 8], ebx
mov dword [eax + 0xc], edx
call fcn.004a4c00
add esp, 0x20
test edx, edx
jg 0x4978d5
jl 0x49783d
test eax, eax
jne 0x4978d5
mov edi, dword [esp + 0x34]
mov edx, dword [edi + 0x5c]
lea eax, [edi + 0x5c]
push eax
lea ecx, [esi + 0xf38]
push ecx
push edx
call fcn.004c7a30
add esp, 0xc
test eax, eax
je 0x497871
push eax
push str.Internal_error_removing_splay_node___d_n
push esi
call fcn.00499d60
add esp, 0xc
jmp 0x497871
mov edi, dword [esp + 0x34]
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x1c]
mov dword [esi + 0xf28], ebp
mov dword [esi + 0xf2c], eax
mov dword [esi + 0xf30], ebx
mov dword [esi + 0xf34], ecx
mov dword [esi + 0xf58], esi
mov eax, dword [edi + 0x5c]
mov ecx, dword [esi + 0xf28]
lea edx, [esi + 0xf38]
push edx
mov edx, dword [esi + 0xf2c]
push eax
sub esp, 0x10
mov eax, esp
mov dword [eax], ecx
mov ecx, dword [esi + 0xf30]
mov dword [eax + 4], edx
mov edx, dword [esi + 0xf34]
mov dword [eax + 8], ecx
mov dword [eax + 0xc], edx
call fcn.004c7810
add esp, 0x18
mov dword [edi + 0x5c], eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
Function at 0x499c00
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
push 0
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x499c43
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esp + 0x10]
xor ecx, ecx
cmp eax, 0x2733
sete cl
mov dword [edx], 0
mov eax, ecx
neg eax
sbb eax, eax
and eax, 0x19
add eax, 0x38
ret
mov ecx, dword [esp + 0x10]
mov dword [ecx], eax
xor eax, eax
ret

Function at 0x499cc0
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
xor edi, edi
cmp dword [esi + 0xbfc], edi
je 0x499d55
cmp dword [esi + 0x620], edi
je 0x499d15
push 1
push esi
call fcn.00497a00
mov eax, dword [esi + 0x5b4]
mov ecx, dword [esp + 0x20]
mov edx, dword [esp + 0x1c]
push eax
mov eax, dword [esp + 0x1c]
push ecx
mov ecx, dword [esi + 0x620]
push edx
push eax
push esi
call ecx
push 0
push esi
mov edi, eax
call fcn.00497a00
add esp, 0x24
mov eax, edi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
test eax, eax
js 0x499d55
cmp eax, 2
jg 0x499d55
mov edx, dword [esi + 0x5b0]
push edx
push 1
lea eax, [eax + eax*2 + 0x5197cc]
push 2
push eax
call fcn.004d7ac4
mov ecx, dword [esi + 0x5b0]
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x24]
push ecx
push 1
push edx
push eax
call fcn.004d7ac4
add esp, 0x20
mov eax, edi
pop edi
pop esi
ret

Function at 0x499e30
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x104
push esi
mov esi, dword [esp + 0x10c]
cmp dword [esi + 0xbfc], 0
jne 0x499e54
cmp dword [esi + 0x5b8], 0
je 0x499f30
mov ecx, dword [esp + 0x110]
lea eax, [esp + 0x114]
push eax
push ecx
lea edx, [esp + 0xc]
push 0x100
push edx
call fcn.004a3700
lea eax, [esp + 0x14]
add esp, 0x10
lea edx, [eax + 1]
lea ecx, [ecx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x499e80
sub eax, edx
mov edx, dword [esi + 0x5b8]
push edi
mov edi, eax
test edx, edx
je 0x499eb7
cmp dword [esi + 0x1230], 0
jne 0x499eb7
lea ecx, [esp + 8]
mov al, byte [ecx]
mov byte [edx], al
inc ecx
inc edx
test al, al
jne 0x499ea3
mov dword [esi + 0x1230], 1
mov byte [esp + edi + 8], 0xa
inc edi
cmp dword [esi + 0xbfc], 0
je 0x499f2f
cmp dword [esi + 0x620], 0
je 0x499f03
push 1
push esi
call fcn.00497a00
mov eax, dword [esi + 0x5b4]
mov edx, dword [esi + 0x620]
push eax
push edi
lea ecx, [esp + 0x18]
push ecx
push 0
push esi
call edx
push 0
push esi
call fcn.00497a00
add esp, 0x24
pop edi
pop esi
add esp, 0x104
ret
mov eax, dword [esi + 0x5b0]
push eax
push 1
push 2
push 0x5197cc
call fcn.004d7ac4
mov ecx, dword [esi + 0x5b0]
push ecx
push 1
lea edx, [esp + 0x20]
push edi
push edx
call fcn.004d7ac4
add esp, 0x20
pop edi
pop esi
add esp, 0x104
ret
Function at 0x49a230
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov edx, dword [ebx + 0x5f0]
push ebp
mov ebp, dword [ebx + eax*4 + 0x420]
mov ecx, eax
add ecx, ecx
push esi
lea esi, [ebx + ecx*8 + 0x448]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [edx + 0x40], 3
je 0x49a2d2
cmp dword [ebx + eax*4 + 0x438], 0x499f40
jne 0x49a2d2
cmp dword [esi], 0
je 0x49a26d
test edi, edi
je 0x49a2d2
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.004c15b0
add esp, 0x14
cmp eax, 0xffffffff
je 0x49a2d2
test al, 1
je 0x49a2d2
cmp dword [esi], 0
jne 0x49a2bb
mov eax, dword [ebx]
mov eax, dword [eax + 0x97c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x54ae68]
xor ecx, ecx
add esp, 4
mov dword [esi], eax
cmp eax, ecx
jne 0x49a2b2
pop edi
pop esi
lea eax, [ecx + 0x1b]
pop ebp
ret
mov edi, dword [esi + 4]
mov dword [esi + 8], ecx
mov dword [esi + 0xc], ecx
mov ecx, dword [esi]
add ecx, dword [esi + 8]
push 0
push edi
push ecx
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x49a2d2
add dword [esi + 8], eax
pop edi
pop esi
xor eax, eax
pop ebp
ret

Function at 0x49a2e0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x100
push ebx
mov ebx, dword [esp + 0x108]
push esi
mov esi, dword [ebx + eax*4 + 0x420]
call fcn.0049a230
test eax, eax
je 0x49a31c
mov eax, dword [esp + 0x11c]
pop esi
mov dword [eax], 0x1b
or eax, 0xffffffff
pop ebx
add esp, 0x100
ret
mov ecx, dword [esp + 0x118]
mov edx, dword [esp + 0x114]
push edi
push 0
push ecx
push edx
push esi
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [esp + 0x120]
mov esi, eax
mov dword [edi], 0
cmp esi, 0xffffffff
jne 0x49a3a0
push ebp
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebp, eax
cmp ebp, 0x2733
jne 0x49a370
pop ebp
xor esi, esi
mov dword [edi], 0x51
pop edi
mov eax, esi
pop esi
pop ebx
add esp, 0x100
ret
push 0x100
lea eax, [esp + 0x14]
push eax
push ebp
call fcn.0048f4e0
mov ecx, dword [ebx]
push eax
push str.Send_failure:__s
push ecx
call fcn.00499e30
mov edx, dword [ebx]
add esp, 0x18
mov dword [edx + 0xec4], ebp
mov dword [edi], 0x37
pop ebp
pop edi
mov eax, esi
pop esi
pop ebx
add esp, 0x100
ret

Function at 0x49e080
Capabilities:
Hash data using djb2

Disassembly:
push ebx
push esi
mov esi, ecx
push edi
lea edi, [esi + eax]
mov ebx, 0x1505
cmp esi, edi
jae 0x49e0ae
movzx eax, byte [esi]
push eax
call fcn.004a28c0
mov edx, ebx
shl edx, 5
movsx ecx, al
add ebx, edx
inc esi
add esp, 4
xor ebx, ecx
cmp esi, edi
jb 0x49e091
pop edi
pop esi
movzx eax, bl
pop ebx
ret

Function at 0x49e0c0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x14
push esi
mov esi, eax
test esi, esi
je 0x49e10e
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.004c8770
add esp, 0xc
test eax, eax
jne 0x49e10e
lea ecx, [esp + 8]
push ecx
push esi
push 0x17
call fcn.004c8770
add esp, 0xc
test eax, eax
jne 0x49e10e
lea edx, [esp + 4]
push edx
call fcn.0049e020
add esp, 4
mov ecx, eax
mov eax, dword [esp + 4]
pop esi
add esp, 0x14
jmp fcn.0049e080
xor eax, eax
pop esi
add esp, 0x14
ret
Function at 0x4a01d0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x14
xor eax, eax
cmp dword [esi + 0xc34], eax
push 4
lea ecx, [esp + 4]
push ecx
setne al
push 8
push 0xffff
push edi
mov dword [esp + 0x14], eax
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4a020e
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00499d60
add esp, 0xc
add esp, 0x14
ret
mov edx, dword [esi + 0xb48]
push edx
mov dword [esp + 0xc], 1
call fcn.0049cf80
imul eax, eax, 0x3e8
mov dword [esp + 4], eax
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0xb4c]
push eax
call fcn.0049cf80
imul eax, eax, 0x3e8
add esp, 8
push 0
push 0
lea ecx, [esp + 0xc]
push ecx
push 0
push 0
push 0xc
lea edx, [esp + 0x20]
push edx
push 0x98000004
push edi
mov dword [esp + 0x24], eax
mov dword [esp + 0x34], eax
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4a0287
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.00499d60
add esp, 0x10
add esp, 0x14
ret
Function at 0x4a0b60
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x184
push esi
push 0x80
lea eax, [esp + 0xc]
push 0
push eax
mov dword [esp + 0x10], 0x80
call fcn.004d92e0
mov eax, dword [esp + 0x19c]
add esp, 0xc
lea ecx, [esp + 4]
push ecx
lea edx, [esp + 0xc]
push edx
push eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4a0bdb
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push 0x100
lea ecx, [esp + 0x8c]
mov esi, eax
push ecx
push esi
call fcn.0048f4e0
mov edx, dword [esp + 0x198]
push eax
mov eax, dword [edx]
push esi
push str.getsockname___failed_with_errno__d:__s
push eax
call fcn.00499e30
add esp, 0x1c
pop esi
add esp, 0x184
ret
mov eax, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x190]
lea ecx, [ebx + 0x3d4]
push ecx
lea edx, [ebx + 0x3a4]
push edx
push eax
lea ecx, [esp + 0x18]
push ecx
call fcn.004a09b0
add esp, 0x10
test eax, eax
jne 0x4a0c40
push edi
call fcn.004ddb8d
mov esi, eax
call fcn.004ddb8d
push 0x100
lea edx, [esp + 0x94]
mov edi, eax
mov eax, dword [esi]
push edx
push eax
call fcn.0048f4e0
mov ecx, dword [edi]
mov edx, dword [ebx]
push eax
push ecx
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push edx
call fcn.00499e30
add esp, 0x1c
pop edi
pop ebx
pop esi
add esp, 0x184
ret

Function at 0x4a0e20
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x104
push esi
mov esi, dword [eax]
push 4
lea ecx, [esp + 8]
push ecx
push 1
push 6
push edx
mov dword [esp + 0x18], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4a0e6c
push 0x100
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0048f4e0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00499d60
add esp, 0x18
pop esi
add esp, 0x104
ret

Function at 0x4a0fc0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x474], 0
je 0x4a0fdd
push eax
call fcn.00491550
add esp, 4
test eax, eax
jne 0x4a0ffd
xor eax, eax
ret
mov eax, dword [eax + 0x420]
cmp eax, 0xffffffff
je 0x4a0fda
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4a0ffd
ret
mov eax, 1
ret
Function at 0x4a4310
Capabilities:
Resolve dns

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x20]
mov edx, dword [esp + 0x1c]
lea ecx, [esp + 0xc]
push ecx
mov ecx, dword [esp + 0x18]
mov dword [eax], 0
mov eax, dword [esp + 0x1c]
push edx
push eax
push ecx
mov dword [esp + 0x10], 0
mov dword [esp + 0x18], 0
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 4], eax
test eax, eax
jne 0x4a44c9
push esi
push edi
mov edi, dword [esp + 0x14]
test edi, edi
je 0x4a44a6
push ebx
push ebp
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4a437e
lea edx, [eax + 1]
lea ecx, [ecx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4a4370
sub eax, edx
lea ebx, [eax + 1]
jmp 0x4a4380
xor ebx, ebx
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4a438d
lea ebp, [eax + 0xe]
jmp 0x4a4399
cmp eax, 0x17
jne 0x4a4433
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4a4433
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4a4433
cmp eax, ebp
jb 0x4a4433
lea edx, [ebx + ebp + 0x20]
push edx
call dword [0x54ae68]
mov esi, eax
xor eax, eax
add esp, 4
cmp esi, eax
je 0x4a4440
mov ecx, dword [edi]
mov dword [esi], ecx
mov edx, dword [edi + 4]
mov dword [esi + 4], edx
mov ecx, dword [edi + 8]
mov dword [esi + 8], ecx
mov edx, dword [edi + 0xc]
mov dword [esi + 0x14], eax
mov dword [esi + 0x1c], eax
lea eax, [esi + 0x20]
mov dword [esi + 0xc], edx
mov dword [esi + 0x10], ebp
mov dword [esi + 0x18], eax
mov ecx, dword [edi + 0x18]
push ebp
push ecx
push eax
call fcn.004d9410
add esp, 0xc
test ebx, ebx
je 0x4a4419
mov eax, dword [esi + 0x18]
add eax, ebp
mov dword [esi + 0x14], eax
mov ecx, dword [edi + 0x14]
push ebx
push ecx
push eax
call fcn.004d9410
add esp, 0xc
cmp dword [esp + 0x10], 0
jne 0x4a4424
mov dword [esp + 0x10], esi
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4a442f
mov dword [eax + 0x1c], esi
mov dword [esp + 0x18], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4a4363
jmp 0x4a4448
mov dword [esp + 0x14], 8
mov eax, dword [esp + 0x1c]
pop ebp
pop ebx
test eax, eax
je 0x4a4459
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
cmp dword [esp + 0xc], 0
je 0x4a449f
mov eax, dword [esp + 8]
test eax, eax
je 0x4a4483
jmp 0x4a4470
mov esi, dword [eax + 0x1c]
push eax
call dword [0x54ae6c]
add esp, 4
mov eax, esi
test esi, esi
jne 0x4a4470
mov eax, dword [esp + 0x28]
mov dword [esp + 8], 0
mov edx, dword [esp + 8]
pop edi
mov dword [eax], edx
mov eax, dword [esp + 8]
pop esi
add esp, 0x10
ret
cmp dword [esp + 8], 0
jne 0x4a44b9
push 0x2af9
mov dword [esp + 0x10], 0x2af9
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
mov edx, dword [esp + 8]
pop edi
mov dword [eax], edx
mov eax, dword [esp + 8]
pop esi
add esp, 0x10
ret
Function at 0x4a4850
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, 0x30
push ebx
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push 6
push 1
push 2
mov dword [esp + 0x18], 0x10
mov dword [esp + 0x14], 1
call esi
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a4882
pop esi
or eax, eax
pop ebx
add esp, 0x30
ret
xor eax, eax
push ebp
mov dword [esp + 0x14], eax
push edi
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
mov eax, 2
push 0x7f000001
mov word [esp + 0x1c], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov edi, dword [esp + 0x50]
push 4
lea edx, [esp + 0x14]
push edx
push 4
push 0xffff
xor ecx, ecx
push ebx
mov dword [esp + 0x30], eax
mov word [esp + 0x2e], cx
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x4a4a0a
push 0x10
lea eax, [esp + 0x1c]
push eax
push ebx
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4a4a0a
lea ecx, [esp + 0x14]
push ecx
lea edx, [esp + 0x1c]
push edx
push ebx
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x4a4a0a
push 1
push ebx
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4a4a0a
push 0
push 1
push 2
call esi
mov dword [edi], eax
cmp eax, 0xffffffff
je 0x4a4a0a
push 0x10
lea ecx, [esp + 0x1c]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4a4a0a
push 0
push 0
push ebx
call dword [sym.imp.WS2_32.dll_accept]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x4a4a0a
push edi
push 0x5375ec
lea edx, [esp + 0x30]
push 0xc
push edx
call fcn.004a3760
lea eax, [esp + 0x38]
add esp, 0x10
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x4a4985
mov ecx, dword [edi]
sub eax, edx
push 0
mov esi, eax
push esi
lea eax, [esp + 0x30]
push eax
push ecx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x4a4a0a
mov eax, dword [edi + 4]
push 0
push 0xc
lea edx, [esp + 0x3c]
push edx
push eax
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x4a4a0a
mov eax, esi
lea ecx, [esp + 0x34]
lea ebp, [esp + 0x28]
cmp esi, 4
jb 0x4a49e5
jmp 0x4a49d0
mov edx, dword [ebp]
cmp edx, dword [ecx]
jne 0x4a4a0a
sub eax, 4
add ecx, 4
add ebp, 4
cmp eax, 4
jae 0x4a49d0
test eax, eax
je 0x4a4a29
mov dl, byte [ecx]
cmp dl, byte [ebp]
jne 0x4a4a0a
cmp eax, 1
jbe 0x4a4a29
mov dl, byte [ecx + 1]
cmp dl, byte [ebp + 1]
jne 0x4a4a0a
cmp eax, 2
jbe 0x4a4a29
mov al, byte [ecx + 2]
cmp al, byte [ebp + 2]
je 0x4a4a29
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push ebx
call esi
mov ecx, dword [edi]
push ecx
call esi
mov edx, dword [edi + 4]
push edx
call esi
pop edi
pop ebp
pop esi
or eax, 0xffffffff
pop ebx
add esp, 0x30
ret
push ebx
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop ebp
pop esi
xor eax, eax
pop ebx
add esp, 0x30
ret
Function at 0x4a4af0
Capabilities:
Create thread

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push 0
push 0
push eax
push ecx
push 0
push 0
call fcn.004d8e68
add esp, 0x18
test eax, eax
je 0x4a4b13
cmp eax, 0xffffffff
jne 0x4a4b15
xor eax, eax
ret

Function at 0x4a4d50
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x5f8], 2
jne 0x4a4d66
mov dword [esp + 4], eax
jmp fcn.004a4d00
mov eax, 1
ret
Function at 0x4a79f0
Capabilities:
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0x14
push esi
push 0
push ebx
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 0x14], 0
mov dword [esp + 0x18], 4
mov dword [esp + 0x1c], esi
call fcn.004d92e0
mov eax, dword [esp + 0x2c]
add esp, 0xc
push 0xf0000040
push eax
push 0
push 0
lea ecx, [esp + 0x14]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4a7ad0
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 4]
lea edx, [esp]
push edx
push 0
push 0
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x4a7ab1
mov edx, dword [esp + 0x1c]
mov eax, dword [esp + 0x18]
mov ecx, dword [esp]
push 0
push edx
push eax
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
test eax, eax
je 0x4a7ab1
mov ecx, dword [esp]
push ebp
mov ebp, dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push 0
lea edx, [esp + 0x14]
push edx
lea eax, [esp + 0x14]
push eax
push 4
push ecx
call ebp
test eax, eax
je 0x4a7ab0
cmp esi, dword [esp + 0xc]
jb 0x4a7ab0
mov eax, dword [esp + 4]
push 0
lea edx, [esp + 0x18]
push edx
push ebx
push 2
push eax
call ebp
pop ebp
mov eax, dword [esp]
test eax, eax
je 0x4a7abf
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov eax, dword [esp + 4]
test eax, eax
je 0x4a7ad0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
add esp, 0x14
ret

Function at 0x4a9f10
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
push esi
xor ebp, ebp
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x54ae70]
mov edi, eax
add esp, 8
test edi, edi
je 0x4a9ed8
lea ebx, [ebx]
mov eax, dword [esp + 0x14]
push esi
push edi
push eax
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x4a9ef0
cmp esi, ebx
je 0x4a9ef0
cmp esi, 0x8000
ja 0x4a9ef0
cmp esi, ebx
jb 0x4a9ee9
push esi
push edi
call dword [0x54ae70]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4a9ea0
push ebp
call dword [0x54ae6c]
add esp, 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x54ae6c]
add esp, 4
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
jmp 0x4a9e80
Function at 0x4aef50
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esi + 0x10]
mov ecx, dword [eax]
push str.Connected_for_receive
push 0x519650
push ecx
call fcn.00499d60
add esp, 0xc
mov eax, esi
mov dword [esi], 1
call fcn.004ae000
test eax, eax
jne 0x4aef80
mov eax, esi
jmp fcn.004ae430
ret
Function at 0x4af430
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x84
push ebx
mov ebx, dword [esp + 0x8c]
push ebp
mov ebp, dword [ebx]
push esi
mov esi, dword [ebx + 0x7c8]
push edi
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
mov edx, dword [esi + 0x154]
mov eax, dword [esi + 0x15c]
lea ecx, [esp + 0x18]
push ecx
mov ecx, dword [esi + 0x14]
push 0
add edx, 4
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4af4aa
mov edx, dword [esp + 0x10]
push edx
lea eax, [esp + 0x18]
push eax
lea ecx, [esi + 0xc8]
push ecx
call fcn.004d9410
mov edx, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], edx
mov eax, dword [esi + 0x14c]
cmp eax, 4
jge 0x4af4d7
push str.Received_too_short_packet
push ebp
call fcn.00499e30
add esp, 8
mov dword [esi + 0xc], 7
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x84
ret
mov edx, dword [esi + 0x15c]
movzx ecx, byte [edx]
movzx edx, byte [edx + 1]
shl cx, 8
movzx ecx, cx
or ecx, edx
mov dword [esi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x4af4fc
jmp dword [ecx*4 + 0x4af658]
cmp eax, 4
jle case.0x4af4fc.4
mov ecx, dword [esi + 0x15c]
movzx edx, byte [ecx + 2]
movzx ecx, byte [ecx + 3]
shl dx, 8
movzx edx, dx
or edx, ecx
movzx ecx, word [esi + 0x40]
inc ecx
and ecx, 0xffff
cmp ecx, edx
jne case.0x4af4fc.4
mov edx, dword [esi + 0x15c]
add eax, 0xfffffffc
push eax
add edx, 4
push edx
push 1
push ebx
call fcn.0049a1f0
mov edi, eax
add esp, 0x10
test edi, edi
je 0x4af56e
mov eax, 5
mov ecx, esi
call fcn.004af3b0
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x84
ret
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [ebp + 0x98], eax
mov ecx, dword [ebp + 0x98]
adc dword [ebp + 0x9c], edx
mov eax, dword [ebp + 0x9c]
push eax
push ecx
push ebp
call fcn.004a8a80
add esp, 0xc
jmp case.0x4af4fc.4
mov edi, dword [esi + 0x15c]
lea ebx, [eax - 4]
mov eax, dword [esi + 0x15c]
movzx edx, byte [eax + 2]
shl dx, 8
movzx ecx, dx
movzx edx, byte [eax + 3]
push ebx
add edi, 4
or ecx, edx
push 0
push edi
mov dword [esi + 8], ecx
call fcn.004d7fd0
add esp, 0xc
test eax, eax
je 0x4af5e8
sub eax, edi
cmp eax, ebx
jae 0x4af5e8
push edi
push str.TFTP_error:__s_n
push ebp
call fcn.00499d60
add esp, 0xc
mov ebx, dword [esp + 0x98]
push ebx
call fcn.004a9480
add esp, 4
test eax, eax
je 0x4af4ca
mov eax, 5
mov ecx, esi
call fcn.004af3b0
pop edi
pop esi
pop ebp
mov eax, 0x2a
pop ebx
add esp, 0x84
ret
add eax, 0xfffffffe
push eax
mov eax, dword [esi + 0x15c]
add eax, 2
push eax
push esi
call fcn.004ae170
add esp, 0xc
test eax, eax
je case.0x4af4fc.4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x84
ret
push str.Internal_error:_Unexpected_packet
push 0x51c264
push ebp
call fcn.00499e30
add esp, 0xc
jmp case.0x4af4fc.4
Function at 0x4af9d0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
mov edx, dword [edi + 0x420]
mov al, byte [esp + 8]
push esi
mov esi, dword [edi]
push 0
push 3
lea ecx, [esp + 0xc]
push ecx
push edx
mov byte [esp + 0x14], 0xff
mov byte [esp + 0x15], al
mov byte [esp + 0x16], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4afa14
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00499e30
add esp, 0xc
mov esi, dword [esp + 0xc]
mov ecx, dword [edi]
push str.SENT
mov eax, ebx
call fcn.004af8d0
add esp, 4
pop esi
pop ecx
ret