joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b7f80
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x583f80]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x1a8], 0
mov ebx, dword [edi]
jne 0x4b80f3
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x84]
push eax
push esi
mov dword [ebp - 0x108], 0x80
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4b7ffe
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004b4e10
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004b7370
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x104]
push eax
push esi
mov dword [ebp - 0x108], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4b8051
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004b4e10
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004b7370
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0xcc]
push eax
lea eax, [edi + 0x9e]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004b8610
add esp, 0xc
test eax, eax
jne 0x4b80a2
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004b4e10
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004b7370
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0x100]
push eax
lea eax, [edi + 0xd0]
push eax
lea eax, [ebp - 0x104]
push eax
call fcn.004b8610
add esp, 0xc
test eax, eax
jne 0x4b80f3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004b4e10
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004b7370
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
push edi
call fcn.004b7ca0
mov ecx, dword [ebp - 4]
add esp, 4
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
Function at 0x4b8910
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x583f80]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
xor eax, eax
cmp dword [esi + 0x448], eax
push edi
mov edi, dword [ebp + 0xc]
setne al
push 4
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 0x4b896d
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004b7410
add esp, 0xc
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
push dword [esi + 0x44c]
mov dword [ebp - 0x10], 1
call fcn.004be410
imul eax, eax, 0x3e8
push dword [esi + 0x450]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], eax
call fcn.004be410
imul eax, eax, 0x3e8
add esp, 8
mov dword [ebp - 0x14], eax
push 0
push 0
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 0x4b89dd
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.004b7410
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.004fcf30
mov esp, ebp
pop ebp
ret

Function at 0x4b89f0
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
push 4
mov esi, dword [edi]
mov eax, dword [esi + 0x34c]
mov dword [ebp + 8], eax
lea eax, [ebp + 8]
push eax
push 1
push 6
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4b8a3a
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004b4e10
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004b7410
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004b7410
add esp, 8
pop edi
pop esi
pop ebp
ret

Function at 0x4bef00
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov cl, byte [ebp + 8]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x4bef11
jmp dword [eax*4 + 0x4bef84]
mov al, 0x41
pop ebp
ret
mov al, 0x42
pop ebp
ret
mov al, 0x43
pop ebp
ret
mov al, 0x44
pop ebp
ret
mov al, 0x45
pop ebp
ret
mov al, 0x46
pop ebp
ret
mov al, 0x47
pop ebp
ret
mov al, 0x48
pop ebp
ret
mov al, 0x49
pop ebp
ret
mov al, 0x4a
pop ebp
ret
mov al, 0x4b
pop ebp
ret
mov al, 0x4c
pop ebp
ret
mov al, 0x4d
pop ebp
ret
mov al, 0x4e
pop ebp
ret
mov al, 0x4f
pop ebp
ret
mov al, 0x50
pop ebp
ret
mov al, 0x51
pop ebp
ret
mov al, 0x52
pop ebp
ret
mov al, 0x53
pop ebp
ret
mov al, 0x54
pop ebp
ret
mov al, 0x55
pop ebp
ret
mov al, 0x56
pop ebp
ret
mov al, 0x57
pop ebp
ret
mov al, 0x58
pop ebp
ret
mov al, 0x59
pop ebp
ret
mov al, 0x5a
pop ebp
ret
mov al, cl
pop ebp
ret
Function at 0x4bf040
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [eax], ebx
lea eax, [ebp - 8]
push eax
push dword [ebp + 0x10]
mov dword [ebp - 4], ebx
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 0x4bf1c7
push edi
mov edi, dword [ebp - 8]
test edi, edi
je 0x4bf1b3
push esi
lea esp, [esp]
cmp dword [edi + 4], 2
jne 0x4bf144
cmp dword [edi + 0x18], 0
je 0x4bf144
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4bf144
cmp eax, 0x10
jb 0x4bf144
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x4bf1a8
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 [section..data]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4bf197
mov ecx, dword [edi + 0x18]
movq xmm0, qword [ecx]
movq qword [eax], xmm0
movq xmm0, qword [ecx + 8]
movq qword [eax + 8], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4bf132
push eax
call dword [0x57a00c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4bf17d
mov eax, dword [ebp - 4]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4bf141
mov dword [eax + 0x1c], esi
mov dword [ebp - 4], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4bf080
mov edi, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
pop esi
test eax, eax
je 0x4bf161
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test edi, edi
je 0x4bf1af
push ebx
call fcn.004beff0
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 [0x57a004]
push esi
call dword [0x57a004]
add esp, 8
jmp 0x4bf152
push esi
mov edi, 8
call dword [0x57a004]
add esp, 4
jmp 0x4bf152
mov edi, 8
jmp 0x4bf152
test ebx, ebx
jne 0x4bf1bf
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 0x4bf4a0
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.00505410
add esp, 0x18
test eax, eax
je 0x4bf4c2
cmp eax, 0xffffffff
jne 0x4bf4c4
xor eax, eax
pop ebp
ret
Function at 0x4c0160
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x583f80]
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 0x4c01ad
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004b7370
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4c01d5
shr eax, 8
test al, al
jne 0x4c01d5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004b7370
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.004fcf30
mov esp, ebp
pop ebp
ret

Function at 0x4c09f0
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
mov edi, dword [esi]
push 0
mov byte [ebp + 0xa], al
push 3
lea eax, [ebp + 8]
push eax
push dword [esi + 0x134]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c0a38
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b7370
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004c02f0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4c0b10
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 + 0x86bc]
jne 0x4c0c5c
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4c0b45
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0b50
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0b5b
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 0x4c0b8c
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0b96
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0ba0
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0baa
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0bb5
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c0bc0
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
mov dword [ebx + 0x1eb4], eax
lea esi, [ebx + 0x1cb0]
sub eax, esi
sub eax, 2
push eax
lea eax, [ebx + 0x1cb2]
push eax
mov dword [edi], esi
mov edi, dword [ebp - 4]
push 0x3e
push edi
call fcn.004c03f0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x134]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c0c18
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b7370
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004c0a50
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x134]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4c0c5b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b7370
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4c0db0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x583f80]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x90c], edi
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x86bc]
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.004c03f0
mov eax, dword [esi + 0x1eb0]
inc eax
movzx ecx, byte [eax - 1]
add esp, 0x10
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4c0f70
cmp ecx, 0x23
je 0x4c0f4d
cmp ecx, 0x27
jne 0x4c1003
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004b8ce0
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4c0eea
lea esp, [esp]
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c0e77
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4c0ed8
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00505ee0
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.004b8ce0
add esp, 0x2c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4c0e70
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x54a138
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004b8ce0
add esp, 0x14
add edi, 2
push 0
push edi
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x134]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c0f45
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b7370
add esp, 0xc
lea eax, [edi - 2]
jmp 0x4c0ff0
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c0f58
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4c0f96
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
jmp 0x4c0f80
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c0f80
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.004b8ce0
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x134]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c0fed
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b7370
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004c03f0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
Function at 0x4c1c20
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x583f80]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
mov esi, dword [eax + 0x3c8]
push edi
mov edi, dword [eax]
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 [esi + 0x15c]
lea ebx, [esi + 0x15c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4c1cb7
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.00507530
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4c1cea
push str.Received_too_short_packet
push edi
call fcn.004b7370
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.004fcf30
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004c1820
movzx eax, ax
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
add esp, 4
cmp eax, 3
ja case.default.0x4c1d05
jmp dword [eax*4 + 0x4c1e1c]
cmp edx, 4
jle case.0x4c1d05.4
push ebx
call fcn.004c1800
movzx ecx, word [esi + 0x40]
inc ecx
add esp, 4
cmp cx, ax
jne case.0x4c1d05.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004b7130
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c1d6a
push 5
push esi
call fcn.004c2530
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
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.004bd600
jmp 0x4c1de2
push ebx
call fcn.004c1800
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x56e898
push edi
call fcn.004b7410
add esp, 0x10
jmp case.0x4c1d05.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.004c19d0
add esp, 0xc
test eax, eax
je case.0x4c1d05.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5686b4
push edi
call fcn.004b7370
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.004bd830
add esp, 4
test eax, eax
je 0x4c1cd7
push 5
push esi
call fcn.004c2530
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
pop edi
pop esi
mov eax, 0x2a
pop ebx
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
Function at 0x4c1e30
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.0x4c1e4d.4
jmp dword [eax*4 + 0x4c2068]
lea eax, [edi + 0x15c]
push eax
call fcn.004c1800
movzx ecx, word [edi + 0x40]
movzx esi, ax
lea eax, [ecx + 1]
and eax, 0xffff
add esp, 4
cmp eax, esi
jne 0x4c1e7f
mov dword [edi + 0x18], 0
jmp 0x4c1e96
cmp ecx, esi
jne 0x4c1f0a
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004b7410
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.004c1860
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c1840
add esp, 0x10
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
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 0x4c1fde
mov eax, dword [edi + 0x154]
add eax, 4
xor ecx, ecx
cmp dword [edi + 0x14c], eax
lea eax, [edi + 0x38]
setl cl
push eax
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.00503aa0
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.004b7410
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.004c1860
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c1840
add esp, 0x10
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
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 0x4c1fde
lea eax, [edi + 0x38]
push eax
mov dword [edi], 1
call fcn.00503aa0
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
inc dword [edi + 0x18]
push dword [edi + 0x18]
inc eax
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004b7410
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x4c1fba
mov dword [edi + 8], 0xffffff9d
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
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 0x4c2044
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004b4e10
push eax
push 0x5686b4
push ebx
call fcn.004b7370
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.004c1860
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c1840
add esp, 0x10
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
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 0x5686b4
push ebx
call fcn.004b7370
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4c2530
Capabilities:
Resolve function by parsing pe exports
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4c2542
jmp dword [edx*4 + 0x4c2598]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c2080
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c1e30
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c2740
push str.TFTP_finished
push 0x56e898
push eax
call fcn.004b7410
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5686b4
push eax
call fcn.004b7370
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4c8f60
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x583f80]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
mov eax, dword [esi + 0x138]
mov ebx, dword [esi]
lea ecx, [ebp - 0x18]
push ecx
lea ecx, [ebp - 0x14]
push ecx
push eax
mov dword [ebp - 0x1c], eax
or edi, 0xffffffff
mov dword [ebp - 0x18], 0x10
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4c8fb8
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x1c]
mov dword [ebp - 0x18], 0x10
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push dword [ebp - 0x1c]
push esi
call fcn.004b78c0
add esp, 8
cmp edi, 0xffffffff
jne 0x4c8fed
push str.Error_accept__ing_server_connect
push ebx
call fcn.004b7370
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004b7410
push 1
push edi
mov dword [esi + 0x138], edi
call fcn.004d0b80
mov dword [esi + 0x140], 1
mov eax, dword [ebx + 0x1a8]
add esp, 0x10
test eax, eax
je 0x4c9059
push 1
push edi
push dword [ebx + 0x1ac]
call eax
add esp, 0xc
test eax, eax
je 0x4c9059
push edi
push esi
call fcn.004b78c0
add esp, 8
mov dword [esi + 0x138], 0xffffffff
pop edi
pop esi
mov eax, 0x2a
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004fcf30
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
xor eax, eax
pop ebx
call fcn.004fcf30
mov esp, ebp
pop ebp
ret

Function at 0x4cb550
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, 0x51eb851f
imul ecx
sar edx, 5
push ebx
push esi
mov eax, edx
shr eax, 0x1f
push edi
mov edi, dword [ebp + 8]
add eax, edx
mov ebx, dword [edi]
xor esi, esi
cmp eax, 2
je 0x4cb58c
push str.Couldnt_set_desired_mode
push ebx
call fcn.004b7370
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4cb5a3
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004b7410
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4cb5bb
push edi
call fcn.004cb300
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4cb5d0
push edi
call fcn.004ca310
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4cb5e5
push edi
call fcn.004cb2e0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4cb5f5
push edi
call fcn.004cb440
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebx
pop ebp
ret