joyce8/EMBER2024-capa huggingface dataset:
Function at 0x540cb0
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x14]
push ebx
xor ebx, ebx
mov dword [ebp - 0xc], ebx
mov dword [eax], ebx
lea eax, [ebp - 0x10]
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 - 0x14], eax
test eax, eax
jne 0x540e2d
push esi
mov esi, dword [ebp - 0x10]
test esi, esi
je 0x540e19
push edi
nop dword [eax]
mov eax, dword [esi + 0x14]
test eax, eax
je 0x540d0e
lea edx, [eax + 1]
nop word [eax + eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x540d00
sub eax, edx
lea ecx, [eax + 1]
jmp 0x540d10
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [ebp - 8], ecx
cmp eax, 2
jne 0x540d22
mov eax, 0x10
jmp 0x540d30
cmp eax, 0x17
jne 0x540dd5
mov eax, 0x1c
cmp dword [esi + 0x18], 0
mov dword [ebp - 4], eax
je 0x540dd5
mov edx, dword [esi + 0x10]
test edx, edx
je 0x540dd5
cmp edx, eax
jb 0x540dd5
add ecx, 0x20
add eax, ecx
push eax
call dword [0x6e6dcc]
mov edi, eax
add esp, 4
test edi, edi
je 0x540e0e
mov ecx, dword [esi]
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov dword [edi + 4], ecx
mov ecx, dword [esi + 8]
mov dword [edi + 8], ecx
mov eax, dword [esi + 0xc]
mov ecx, dword [ebp - 4]
mov dword [edi + 0xc], eax
lea eax, [edi + 0x20]
push ecx
mov dword [edi + 0x10], ecx
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
mov dword [edi + 0x18], eax
push dword [esi + 0x18]
push eax
call fcn.004f0540
mov edx, dword [ebp - 8]
add esp, 0xc
test edx, edx
je 0x540dc3
mov eax, dword [edi + 0x18]
add eax, dword [ebp - 4]
push edx
mov dword [edi + 0x14], eax
push dword [esi + 0x14]
push eax
call fcn.004f0540
add esp, 0xc
mov eax, dword [ebp - 0xc]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x540dd2
mov dword [eax + 0x1c], edi
mov dword [ebp - 0xc], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x540cf0
mov esi, dword [ebp - 0x14]
mov eax, dword [ebp - 0x10]
pop edi
test eax, eax
je 0x540df2
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x540e15
push ebx
call fcn.00540c80
mov eax, dword [ebp + 0x14]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, 8
jmp 0x540de3
test ebx, ebx
jne 0x540e25
mov esi, 0x2af9
push esi
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [ebp + 0x14]
mov dword [eax], ebx
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x541240
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.004f42ed
add esp, 0x18
test eax, eax
je 0x541262
cmp eax, 0xffffffff
jne 0x541264
xor eax, eax
pop ebp
ret
Function at 0x544ac0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c8
mov eax, dword [0x6e606c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x6f3385], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x158], ebx
jne 0x544af6
call fcn.00545330
test al, al
je 0x544b07
mov byte [0x6f3385], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x5a8]
test eax, eax
je 0x544b28
push 0x400
push eax
call fcn.005747f0
add esp, 8
call fcn.00545330
test al, al
jne 0x544af6
push esi
push edi
nop word [eax + eax]
mov ebx, 2
mov dword [ebp - 0x150], 4
lea eax, [ebp - 0x44]
mov dword [ebp - 0x148], ebx
mov dword [ebp - 0x14c], eax
nop
lea eax, [ebp - 0x188]
push eax
call fcn.00534180
push 0
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x178], xmm0
movups xmmword [ebp - 0x168], xmm0
call fcn.0053d9e0
lea eax, [ebp - 0x198]
push eax
call fcn.00534180
mov esi, dword [eax + 8]
lea eax, [ebp - 0x1a8]
push eax
call fcn.00534180
add esp, 0x14
mov ecx, eax
mov eax, esi
inc ebx
cdq
mov dword [ebp - 0x154], ebx
add eax, dword [ecx]
push 0
adc edx, dword [ecx + 4]
push ebx
push edx
push eax
call fcn.004285f0
movups xmm1, xmmword [ebp - 0x178]
mov esi, dword [ebp - 0x148]
mov edi, eax
mov ebx, edx
dec esi
movaps xmm0, xmm1
movd eax, xmm1
psrldq xmm0, 4
movd ecx, xmm0
shld ebx, edi, 8
push ecx
push eax
push 0
push esi
shl edi, 8
call fcn.004285f0
xor edi, eax
xor ebx, edx
lea eax, [ebp - 0x1b8]
mov dword [ebp - 0x168], edi
push eax
mov dword [ebp - 0x164], ebx
call fcn.00534180
lea esi, [eax + 8]
lea eax, [ebp - 0x1c8]
push eax
call fcn.00534180
mov edx, dword [ebp - 0x148]
add esp, 8
mov ebx, dword [ebp - 0x154]
mov dword [ebp - 0x148], ebx
mov ecx, dword [eax]
add ecx, dword [esi]
lea eax, [edx + 2]
imul edx, dword [ebp - 0x160]
imul ecx, eax
mov eax, dword [ebp - 0x14c]
shl ecx, 0x10
xor ecx, edx
mov dword [ebp - 0x160], ecx
movups xmm0, xmmword [ebp - 0x168]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [ebp - 0x150], 1
mov dword [ebp - 0x14c], eax
jne 0x544b50
movsd xmm0, qword [0x668d58]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00574430
add esp, 0x10
call fcn.00545330
test al, al
je 0x544b30
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.00574640
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x544cd6
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.005747f0
add esp, 8
call fcn.00545330
test al, al
jne 0x544af6
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x158]
call fcn.0052e700
add esp, 8
call fcn.00545330
xor edx, edx
mov ecx, 0x23
test al, al
pop ebx
cmovne ecx, edx
mov eax, ecx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret

Function at 0x5468b0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00546820
Function at 0x54c570
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6e606c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea ecx, [ebp - 0x88]
push ecx
lea ecx, [ebp - 0x84]
or esi, 0xffffffff
push ecx
mov ebx, dword [edi + 0xc]
mov eax, dword [ebx + 0x14c]
push eax
mov dword [ebp - 0x8c], eax
mov dword [ebp - 0x88], 0x80
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x54c5e4
lea eax, [ebp - 0x88]
mov dword [ebp - 0x88], 0x80
push eax
lea eax, [ebp - 0x84]
push eax
push dword [ebp - 0x8c]
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push dword [ebp - 0x8c]
push ebx
push edi
call fcn.0052efb0
add esp, 0xc
cmp esi, 0xffffffff
jne 0x54c61d
push str.Error_accept__ing_server_connect
push edi
call fcn.0052e640
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push edi
call fcn.0052e700
push 1
push esi
mov byte [ebx + 0x24e], 0
mov dword [ebx + 0x14c], esi
call fcn.0053c430
add esp, 0x10
mov byte [ebx + 0x261], 1
cmp dword [edi + 0x1b8], 0
je 0x54c69a
push 1
push edi
call fcn.00520320
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.00520320
add esp, 0x1c
test esi, esi
je 0x54c69a
push ebx
push edi
call fcn.0054cae0
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
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.004278da
mov esp, ebp
pop ebp
ret

Function at 0x54ead0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 8]
push edi
lea eax, [ecx - 0xc8]
xor edi, edi
mov ebx, dword [esi + 0xc]
cmp eax, 0x64
jb 0x54eb02
push str.Couldnt_set_desired_mode
push esi
call fcn.0052e640
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x54eb19
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push esi
call fcn.0052e700
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x54eb32
push ebx
push esi
call fcn.0054e770
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x54eb47
push esi
call fcn.0054d790
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x54eb5c
push esi
call fcn.0054e750
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x54eb6c
push esi
call fcn.0054e9b0
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x554da0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push 0
mov byte [ebp + 0xa], cl
lea ecx, [ebp + 8]
push 3
mov eax, dword [esi + 0xc]
push ecx
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x554de8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.0052e640
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.00554650
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x554f20
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
cmp dword [ebp + 0xc], 0x1f
push ebx
mov ebx, dword [ebp + 8]
mov eax, dword [ebx + 0x134]
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 4], eax
mov dword [ebp - 8], ecx
jne 0x55507e
push edi
lea ecx, [eax + 0x1cb4]
lea edi, [eax + 0x1eb4]
mov dword [edi], ecx
cmp ecx, edi
jae 0x554f71
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x554f71
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x554f71
mov byte [ecx], 0x1f
inc dword [edi]
movzx eax, word [eax + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [ebp + 8], eax
mov eax, dword [ebp - 4]
movzx eax, word [eax + 0x1caa]
push eax
call esi
mov edx, dword [ebp + 8]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x554fdd
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [ebp - 4]
mov dword [esi + 0x1eb8], eax
lea ecx, [esi + 0x1cb4]
sub eax, ecx
mov dword [edi], ecx
sub eax, 2
push eax
lea eax, [esi + 0x1cb6]
push eax
push 0x3e
push ebx
call fcn.00554750
add esp, 0x10
lea eax, [esi + 0x1cb4]
push 0
push 3
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x55503b
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0052e640
add esp, 0xc
push 4
lea eax, [esi + 0x1cb7]
push eax
push ebx
call fcn.00554e00
add esp, 0xc
lea eax, [esi + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [ebp - 8]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x55507d
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0052e640
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x5551e0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6e606c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x104]
push esi
push edi
push 0x80
push 0
push eax
mov dword [ebp - 0x908], ebx
call fcn.004f02f0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.004f02f0
mov esi, dword [ebx + 0x134]
mov edi, dword [ebx + 0xc]
mov dword [ebp - 0x90c], edi
mov eax, dword [esi + 0x1eb8]
sub eax, dword [esi + 0x1eb4]
add eax, 2
push eax
lea eax, [esi + 0x1cb4]
push eax
push 0x3c
push ebx
call fcn.00554750
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x5553c8
cmp cl, 0x23
je 0x5553a2
cmp cl, 0x27
jne 0x555456
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.00531f10
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x555341
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5552c7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x55532f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0040b340
add esp, 0x10
test eax, eax
je 0x55532f
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.00531f10
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x5552c0
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.00531f10
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x55539c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0052e640
add esp, 0xc
push edi
jmp 0x555444
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5553b0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x5553e9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5553d3
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.00531f10
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x555440
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0052e640
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.00554750
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004278da
mov esp, ebp
pop ebp
ret
Function at 0x556120
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6e606c]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x300]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
lea esi, [edi + 0x148]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x5561ae
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004f0540
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x5561e1
push str.Received_too_short_packet
push ebx
call fcn.0052e640
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret
push esi
call fcn.00555d10
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x5561fc
jmp dword [eax*4 + 0x55633c]
cmp edx, 4
jle case.0x5561fc.4
push esi
call fcn.00555cf0
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x5561fc.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.0052e580
mov esi, eax
add esp, 0x10
test esi, esi
je 0x55625f
push 5
push edi
call fcn.00556b80
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.0053c5b0
jmp 0x556307
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.00555cf0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.00556cb0
add esp, 0xc
cmp eax, esi
jae case.0x5561fc.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.0052e700
jmp 0x556307
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.00555ed0
add esp, 0xc
test eax, eax
je case.0x5561fc.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004278da
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x668918
push ebx
call fcn.0052e640
add esp, 0xc
push ebx
call fcn.0053c890
add esp, 4
test eax, eax
je 0x5561ce
push 5
push edi
call fcn.00556b80
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004278da
mov esp, ebp
pop ebp
ret
Function at 0x556b80
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x556b90
jmp dword [edx*4 + 0x556be4]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.00556630
mov dword [ebp + 8], eax
pop ebp
jmp fcn.00556350
mov dword [ebp + 8], eax
pop ebp
jmp fcn.00556de0
push str.TFTP_finished
push 0x663518
push ecx
call fcn.0052e700
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x668918
push ecx
call fcn.0052e640
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x5601c0
Capabilities:
Get hostname

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
push esi
push edi
mov byte [edi], 0
call dword [sym.imp.WS2_32.dll_gethostname]
mov byte [edi + esi - 1], 0
test eax, eax
jne 0x5601f3
push 0x2e
push edi
call fcn.004ef9c0
add esp, 8
test eax, eax
je 0x5601f1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x561b40
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [0x6e6dcc]
mov edi, eax
add esp, 4
test edi, edi
jne 0x561b6d
pop edi
pop esi
mov esp, ebp
pop ebp
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [ebp + 0x10]
mov dword [edi + 8], eax
cmp ebx, dword [esi + 0x10]
jbe 0x561bb7
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [ebp + 0xc]
push dword [edi + 4]
call eax
mov eax, dword [edi + 8]
add eax, dword [esi + 0xc]
push dword [edi + 4]
mov dword [ebp - 4], eax
push eax
mov eax, dword [esi + 8]
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x561bbd
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [ebp + 0x10]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x561c1b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [eax + eax]
movzx eax, byte [ebx]
xor al, 0x36
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor al, 0x5c
mov byte [ebp + 0xb], al
lea eax, [ebp + 0xb]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub dword [ebp + 0x10], 1
jne 0x561be0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x561c47
mov eax, dword [esi + 4]
push 1
push 0x66c960
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x66c961
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x561c20
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x5646d0
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.005646e0

Function at 0x564960
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00564970

Function at 0x569680
Capabilities:
Check if file exists

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
push esi
push dword [esp + 0x14]
call fcn.0057f4e0
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.004ef9c0
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x569737
push 0x4a
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.005764b0
push 0x66ef98
push esi
push 0x66ef9c
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.00575c20
add esp, 0x2c
call fcn.004ff432
cmp dword [eax], 2
je 0x569719
call fcn.004ff432
cmp dword [eax], 6
je 0x569719
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.005764b0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x51
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.005764b0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x66ef34
call fcn.00569c90
mov esi, eax
add esp, 4
test esi, esi
jne 0x569759
push edi
call fcn.00507747
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.00569860
push edi
push ebx
push 0x6a
push esi
call fcn.00569890
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret