joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4f9b60
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4f9d3a
cmp byte [edi + 0x286], 0
push esi
jne 0x4f9d30
cmp byte [edi + 0x2a2], 0
jne 0x4f9d30
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x104]
mov dword [ebp - 0x108], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4f9bf8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004e7300
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004f8940
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push 0x80
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push 0
push eax
call fcn.004b69d0
add esp, 0xc
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x84]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4f9c61
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004e7300
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004f8940
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0x140]
push eax
lea esi, [edi + 0x112]
lea eax, [ebp - 0x104]
push esi
push eax
call fcn.004fa240
add esp, 0xc
test al, al
jne 0x4f9cb2
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004e7300
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004f8940
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [edi + 0x58], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [edi + 0x68], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x78], xmm0
mov dword [edi + 0x80], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x84], ax
lea eax, [edi + 0x174]
push eax
lea eax, [edi + 0x144]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004fa240
add esp, 0xc
test al, al
jne 0x4f9d30
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004e7300
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004f8940
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push edi
call fcn.004f97e0
add esp, 4
pop esi
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop ebx
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
Function at 0x4fa5d0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
push edi
mov edi, dword [ebp + 0xc]
push 4
cmp byte [esi + 0x48c], al
setne al
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x14]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4fa62d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004f89e0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push dword [esi + 0x490]
mov dword [ebp - 0x10], 1
call fcn.0050cac0
push dword [esi + 0x494]
imul eax, eax, 0x3e8
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.0050cac0
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [ebp - 0x14], eax
mov dword [ebp - 8], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 0xc
lea eax, [ebp - 0x10]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4fa69d
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.004f89e0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret

Function at 0x4fc6d0
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x4fc6f7
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4fc6e6
pop edi
movzx eax, dl
pop esi
ret
Function at 0x4fc840
Capabilities:
Access the windows event log
Write file on windows

Disassembly:
mov eax, 0x108
call fcn.004b4910
mov eax, dword [0x655140]
xor eax, esp
mov dword [esp + 0x104], eax
push esi
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov esi, eax
test esi, esi
je 0x4fc8df
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x4fc8df
lea eax, [esp + 0x114]
push eax
push 0
push dword [esp + 0x118]
lea eax, [esp + 0x14]
push 0x100
push eax
call fcn.00402a60
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.004c0816
add esp, 0x1c
or ecx, 0xffffffff
test eax, eax
cmovs eax, ecx
lea ecx, [esp + 4]
push 0
push ecx
test eax, eax
mov ecx, 0x100
cmovs eax, ecx
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b3f1a
add esp, 0x108
ret
lea eax, [esp + 0x114]
push eax
push 0
push dword [esp + 0x118]
lea eax, [esp + 0x14]
push 0xff
push eax
call fcn.00402a60
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.004c0816
add esp, 0x1c
mov byte [esp + 0x107], 0
call fcn.004fc700
test eax, eax
jle 0x4fc973
push str.OpenSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov esi, eax
test esi, esi
je 0x4fc987
push 0
lea eax, [esp + 0xc]
mov dword [esp + 8], eax
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop esi
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004b3f1a
add esp, 0x108
ret
push 0x10
push str.OpenSSL:_FATAL
lea eax, [esp + 0x10]
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, dword [esp + 0x108]
pop esi
xor ecx, esp
call fcn.004b3f1a
add esp, 0x108
ret
Function at 0x50dc20
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 4], ebx
mov dword [eax], ebx
lea eax, [ebp - 8]
push eax
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [ebp - 0xc], eax
test eax, eax
jne 0x50dd9b
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x50dd87
push esi
nop dword [eax]
cmp dword [edi + 4], 2
jne 0x50dd18
cmp dword [edi + 0x18], 0
je 0x50dd18
mov eax, dword [edi + 0x10]
test eax, eax
je 0x50dd18
cmp eax, 0x10
jb 0x50dd18
push 0x20
call dword [0x655c20]
mov esi, eax
add esp, 4
test esi, esi
je 0x50dd7c
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x655c20]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x50dd6b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x50dd06
push eax
call dword [0x655c2c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x50dd51
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x50dd15
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x50dc60
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x50dd35
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x50dd83
push ebx
call fcn.0050dbe0
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
push dword [esi + 0x18]
mov edi, 8
call dword [0x655c24]
push esi
call dword [0x655c24]
add esp, 8
jmp 0x50dd26
push esi
mov edi, 8
call dword [0x655c24]
add esp, 4
jmp 0x50dd26
mov edi, 8
jmp 0x50dd26
test ebx, ebx
jne 0x50dd93
mov edi, 0x2af9
push edi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, edi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x50dfc0
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.004c2444
add esp, 0x18
test eax, eax
je 0x50dfe2
cmp eax, 0xffffffff
jne 0x50dfe4
xor eax, eax
pop ebp
ret
Function at 0x518e20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push edi
push ecx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], 0x10
mov eax, dword [esi + 0x1a4]
or edi, 0xffffffff
mov ebx, dword [esi]
push ecx
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x518e78
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x10
push eax
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push dword [ebp - 0x1c]
push esi
call fcn.004f90e0
add esp, 8
cmp edi, 0xffffffff
jne 0x518ead
push str.Error_accept__ing_server_connect
push ebx
call fcn.004f8940
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004f89e0
push 1
mov byte [esi + 0x290], 0
push edi
mov dword [esi + 0x1a4], edi
call fcn.00524000
mov byte [esi + 0x1b1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x518f12
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x518f12
push esi
call fcn.00519380
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret

Function at 0x51b320
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [ebp + 8]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x51b35c
push str.Couldnt_set_desired_mode
push ebx
call fcn.004f8940
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x51b373
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004f89e0
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x51b38b
push edi
call fcn.0051b0c0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x51b3a0
push edi
call fcn.0051a1b0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x51b3b5
push edi
call fcn.0051b0a0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x51b3c5
push edi
call fcn.0051b200
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebx
pop ebp
ret
Function at 0x51d9c0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x51da0d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004f8940
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x51da35
shr eax, 8
test al, al
jne 0x51da35
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004f8940
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret

Function at 0x51e270
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x1a0]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x51e2b8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004f8940
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.0051db50
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x51e390
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x114]
jne 0x51e4dc
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x51e3c5
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e3d0
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e3db
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 [ebp + 0xc], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [ebp + 0xc]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x51e40c
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e416
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e420
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e42a
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e435
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x51e440
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.0051dc50
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x51e498
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004f8940
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.0051e2d0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x51e4db
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004f8940
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x51e640
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x104]
push 0x80
push 0
push eax
mov dword [ebp - 0x90c], edi
call fcn.004b69d0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.004b69d0
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x114]
mov eax, dword [esi + 0x1eb4]
sub eax, dword [esi + 0x1eb0]
add eax, 2
push eax
lea eax, [esi + 0x1cb0]
push eax
push 0x3c
push ebx
call fcn.0051dc50
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x51e828
cmp ecx, 0x23
je 0x51e804
cmp ecx, 0x27
jne 0x51e8b6
push 0
push ecx
push 0xfa
push 0xff
push 0x60046c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004fa9f0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x51e7a1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51e727
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x51e78f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0048ff00
add esp, 0x10
test eax, eax
je 0x51e78f
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004fa9f0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x51e720
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push str._c_c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004fa9f0
add esp, 0x14
lea eax, [ebp - 0x904]
add edi, 2
push 0
push edi
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x51e7fc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004f8940
add esp, 0xc
lea eax, [edi - 2]
jmp 0x51e8a3
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51e810
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x51e849
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51e833
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004fa9f0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x51e8a0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004f8940
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.0051dc50
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
Function at 0x51f500
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x470]
mov edi, dword [eax]
lea ebx, [esi + 0x15c]
mov dword [ebp - 0x8c], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [ebx]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x51f593
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004b63f0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x51f5c6
push str.Received_too_short_packet
push edi
call fcn.004f8940
add esp, 8
mov dword [esi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push ebx
call fcn.0051f100
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x51f5e1
jmp dword [eax*4 + 0x51f6f8]
cmp edx, 4
jle case.0x51f5e1.4
push ebx
call fcn.0051f0e0
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x51f5e1.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004f8830
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x51f646
push 5
push esi
call fcn.0051fe20
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x70], eax
adc dword [edi + 0x74], edx
push dword [edi + 0x74]
push dword [edi + 0x70]
push edi
call fcn.0050bbb0
jmp 0x51f6be
push ebx
call fcn.0051f0e0
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x5de69c
push edi
call fcn.004f89e0
add esp, 0x10
jmp case.0x51f5e1.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.0051f2b0
add esp, 0xc
test eax, eax
je case.0x51f5e1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5de694
push edi
call fcn.004f8940
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.0050bf20
add esp, 4
test eax, eax
je 0x51f5b3
push 5
push esi
call fcn.0051fe20
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
Function at 0x51f710
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov eax, dword [edi + 0x10]
mov ebx, dword [eax]
mov eax, dword [ebp + 0xc]
add eax, 0xfffffffd
cmp eax, 4
ja case.0x51f72d.4
jmp dword [eax*4 + 0x51f944]
lea eax, [edi + 0x15c]
push eax
call fcn.0051f0e0
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
movzx eax, ax
cmp eax, esi
jne 0x51f75d
mov dword [edi + 0x18], 0
jmp 0x51f774
cmp ecx, esi
jne 0x51f7e8
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004f89e0
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.0051f140
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.0051f120
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x51f8ba
mov eax, dword [edi + 0x154]
xor ecx, ecx
add eax, 4
cmp dword [edi + 0x14c], eax
lea eax, [edi + 0x38]
push eax
setl cl
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.004c0f67
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push eax
push esi
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
push ebx
call fcn.004f89e0
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
xor eax, eax
lea esi, [edi + 0x160]
push 4
push esi
mov word [edi + 0x40], ax
mov dword [edi + 0x18], eax
call fcn.0051f140
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.0051f120
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x51f8ba
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.004c0f67
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
inc dword [edi + 0x18]
inc eax
push dword [edi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004f89e0
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x51f896
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
push 0
push 4
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x51f920
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004e7300
push eax
push 0x5de694
push ebx
call fcn.004f8940
add esp, 0x14
mov eax, 0x37
pop edi
pop esi
pop ebx
pop ebp
ret
lea esi, [edi + 0x160]
push 5
push esi
call fcn.0051f140
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.0051f120
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x5de694
push ebx
call fcn.004f8940
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret