joyce8/EMBER2024-capa huggingface dataset:
Function at 0x535a70
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 0x535bed
push esi
mov esi, dword [ebp - 0x10]
test esi, esi
je 0x535bd9
push edi
nop dword [eax]
mov eax, dword [esi + 0x14]
test eax, eax
je 0x535ace
lea edx, [eax + 1]
nop word [eax + eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x535ac0
sub eax, edx
lea ecx, [eax + 1]
jmp 0x535ad0
xor ecx, ecx
mov eax, dword [esi + 4]
mov dword [ebp - 8], ecx
cmp eax, 2
jne 0x535ae2
mov eax, 0x10
jmp 0x535af0
cmp eax, 0x17
jne 0x535b95
mov eax, 0x1c
cmp dword [esi + 0x18], 0
mov dword [ebp - 4], eax
je 0x535b95
mov edx, dword [esi + 0x10]
test edx, edx
je 0x535b95
cmp edx, eax
jb 0x535b95
add ecx, 0x20
add eax, ecx
push eax
call dword [0x6f0dec]
mov edi, eax
add esp, 4
test edi, edi
je 0x535bce
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.004e5ba0
mov edx, dword [ebp - 8]
add esp, 0xc
test edx, edx
je 0x535b83
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.004e5ba0
add esp, 0xc
mov eax, dword [ebp - 0xc]
test ebx, ebx
cmove ebx, edi
test eax, eax
je 0x535b92
mov dword [eax + 0x1c], edi
mov dword [ebp - 0xc], edi
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x535ab0
mov esi, dword [ebp - 0x14]
mov eax, dword [ebp - 0x10]
pop edi
test eax, eax
je 0x535bb2
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test esi, esi
je 0x535bd5
push ebx
call fcn.00535a40
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 0x535ba3
test ebx, ebx
jne 0x535be5
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 0x536000
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.004ef5f3
add esp, 0x18
test eax, eax
je 0x536022
cmp eax, 0xffffffff
jne 0x536024
xor eax, eax
pop ebp
ret
Function at 0x539880
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c8
mov eax, dword [0x6f03ac]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x6fda4d], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x158], ebx
jne 0x5398b6
call fcn.0053a0f0
test al, al
je 0x5398c7
mov byte [0x6fda4d], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdca5
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x5a8]
test eax, eax
je 0x5398e8
push 0x400
push eax
call fcn.00592dc0
add esp, 8
call fcn.0053a0f0
test al, al
jne 0x5398b6
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.00528f60
push 0
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x178], xmm0
movups xmmword [ebp - 0x168], xmm0
call fcn.005327b0
lea eax, [ebp - 0x198]
push eax
call fcn.00528f60
mov esi, dword [eax + 8]
lea eax, [ebp - 0x1a8]
push eax
call fcn.00528f60
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.004ce790
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.004ce790
xor edi, eax
xor ebx, edx
lea eax, [ebp - 0x1b8]
mov dword [ebp - 0x168], edi
push eax
mov dword [ebp - 0x164], ebx
call fcn.00528f60
lea esi, [eax + 8]
lea eax, [ebp - 0x1c8]
push eax
call fcn.00528f60
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 0x539910
movsd xmm0, qword [0x684310]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00592a00
add esp, 0x10
call fcn.0053a0f0
test al, al
je 0x5398f0
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.00592c10
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x539a96
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.00592dc0
add esp, 8
call fcn.0053a0f0
test al, al
jne 0x5398b6
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x158]
call fcn.005234e0
add esp, 8
call fcn.0053a0f0
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.004cdca5
mov esp, ebp
pop ebp
ret

Function at 0x53b670
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0053b5e0
Function at 0x541330
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6f03ac]
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 0x5413a4
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.00523d90
add esp, 0xc
cmp esi, 0xffffffff
jne 0x5413dd
push str.Error_accept__ing_server_connect
push edi
call fcn.00523420
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdca5
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push edi
call fcn.005234e0
push 1
push esi
mov byte [ebx + 0x24e], 0
mov dword [ebx + 0x14c], esi
call fcn.00531200
add esp, 0x10
mov byte [ebx + 0x261], 1
cmp dword [edi + 0x1b8], 0
je 0x54145a
push 1
push edi
call fcn.005150e0
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.005150e0
add esp, 0x1c
test esi, esi
je 0x54145a
push ebx
push edi
call fcn.005418a0
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdca5
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.004cdca5
mov esp, ebp
pop ebp
ret

Function at 0x543890
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 0x5438c2
push str.Couldnt_set_desired_mode
push esi
call fcn.00523420
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x5438d9
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push esi
call fcn.005234e0
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x5438f2
push ebx
push esi
call fcn.00543530
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x543907
push esi
call fcn.00542550
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x54391c
push esi
call fcn.00543510
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x54392c
push esi
call fcn.00543770
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x549b60
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 0x549ba8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00523420
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.00549410
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x549ce0
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 0x549e3e
push edi
lea ecx, [eax + 0x1cb4]
lea edi, [eax + 0x1eb4]
mov dword [edi], ecx
cmp ecx, edi
jae 0x549d31
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x549d31
mov byte [ecx], 0xfa
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x549d31
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 0x549d9d
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x549d9d
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x549d9d
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x549d9d
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x549d9d
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x549d9d
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.00549510
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 0x549dfb
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00523420
add esp, 0xc
push 4
lea eax, [esi + 0x1cb7]
push eax
push ebx
call fcn.00549bc0
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 0x549e3d
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00523420
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x549fa0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6f03ac]
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.004e59d0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.004e59d0
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.00549510
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x54a188
cmp cl, 0x23
je 0x54a162
cmp cl, 0x27
jne 0x54a216
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.00526cf0
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x54a101
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x54a087
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x54a0ef
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00519800
add esp, 0x10
test eax, eax
je 0x54a0ef
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.00526cf0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x54a080
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.00526cf0
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 0x54a15c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00523420
add esp, 0xc
push edi
jmp 0x54a204
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x54a170
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x54a1a9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x54a193
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.00526cf0
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 0x54a200
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00523420
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.00549510
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004cdca5
mov esp, ebp
pop ebp
ret
Function at 0x54aee0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6f03ac]
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 0x54af6e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004e5ba0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x54afa1
push str.Received_too_short_packet
push ebx
call fcn.00523420
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.004cdca5
mov esp, ebp
pop ebp
ret
push esi
call fcn.0054aad0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x54afbc
jmp dword [eax*4 + 0x54b0fc]
cmp edx, 4
jle case.0x54afbc.4
push esi
call fcn.0054aab0
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x54afbc.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.00523360
mov esi, eax
add esp, 0x10
test esi, esi
je 0x54b01f
push 5
push edi
call fcn.0054b940
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdca5
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.00531380
jmp 0x54b0c7
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.0054aab0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.0054ba70
add esp, 0xc
cmp eax, esi
jae case.0x54afbc.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.005234e0
jmp 0x54b0c7
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.0054ac90
add esp, 0xc
test eax, eax
je case.0x54afbc.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdca5
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x683ed8
push ebx
call fcn.00523420
add esp, 0xc
push ebx
call fcn.00531660
add esp, 4
test eax, eax
je 0x54af8e
push 5
push edi
call fcn.0054b940
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004cdca5
mov esp, ebp
pop ebp
ret
Function at 0x54b940
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.0x54b950
jmp dword [edx*4 + 0x54b9a4]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054b3f0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054b110
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054bba0
push str.TFTP_finished
push 0x67eae8
push ecx
call fcn.005234e0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x683ed8
push ecx
call fcn.00523420
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x554f70
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 0x554fa3
push 0x2e
push edi
call fcn.004e7a70
add esp, 8
test eax, eax
je 0x554fa1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x5568f0
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 [0x6f0dec]
mov edi, eax
add esp, 4
test edi, edi
jne 0x55691d
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 0x556967
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 0x55696d
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 0x5569cb
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 0x556990
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x5569f7
mov eax, dword [esi + 4]
push 1
push 0x687f10
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x687f11
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x5569d0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x559470
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00559480

Function at 0x559700
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00559710

Function at 0x56c510
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x10], 0
push ebx
mov ebx, dword [ebp + 0x14]
mov eax, dword [ebx - 4]
jle 0x56c57a
mov ecx, dword [ebp + 8]
sub ecx, ebx
push esi
mov dword [ebp + 8], ecx
push edi
nop word [eax + eax]
mov esi, dword [ecx + ebx]
lea ebx, [ebx + 4]
mov ecx, eax
mov edi, esi
and edi, 0xffff00ff
and ecx, 0xffff00ff
add edi, ecx
mov edx, esi
movzx ecx, ax
and edx, 0xff00
add edx, ecx
and eax, 0xff00ffff
mov ecx, dword [ebp + 8]
xor edi, edx
and esi, 0xff00ff00
and edi, 0xff00ff
add eax, esi
xor eax, edi
sub dword [ebp + 0x10], 1
mov dword [ebx - 4], eax
jne 0x56c530
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x56c580
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x10], 0
jle 0x56c5f3
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
sub ecx, eax
sub dword [ebp + 0x14], eax
push ebx
push esi
mov dword [ebp + 0xc], ecx
push edi
nop word [eax + eax]
mov ebx, dword [ecx + eax]
lea eax, [eax + 4]
mov esi, dword [eax - 4]
mov ecx, ebx
and ecx, 0xffff00ff
mov edi, esi
and edi, 0xffff00ff
mov edx, esi
add edi, ecx
and edx, 0xff00
movzx ecx, bx
and esi, 0xff00ff00
add edx, ecx
and ebx, 0xff00ffff
mov ecx, dword [ebp + 0x14]
xor edi, edx
and edi, 0xff00ff
add ebx, esi
xor edi, ebx
sub dword [ebp + 0x10], 1
mov dword [ecx + eax - 4], edi
mov ecx, dword [ebp + 0xc]
jne 0x56c5a0
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x56cdf0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor ecx, ecx
push ebx
mov ebx, dword [ebp + 8]
push edi
mov dword [ebp + 8], 0
lea eax, [ebx + eax*4]
mov edi, eax
sub edi, ebx
add edi, 3
shr edi, 2
cmp ebx, eax
cmova edi, ecx
test edi, edi
je 0x56ce64
push esi
mov esi, dword [ebp + 0x10]
nop
mov edx, dword [ebx]
lea esi, [esi + 2]
mov ecx, edx
lea ebx, [ebx + 4]
shr ecx, 0x10
mov eax, edx
shr eax, 0xd
xor cl, al
mov eax, edx
and cl, 7
shr eax, 0x10
xor cl, al
mov eax, edx
mov byte [esi - 2], cl
mov ecx, edx
shr ecx, 5
shr eax, 3
xor cl, al
shr edx, 5
mov eax, dword [ebp + 8]
and cl, 0x1f
xor cl, dl
inc eax
mov byte [esi - 1], cl
mov dword [ebp + 8], eax
cmp eax, edi
jb 0x56ce20
pop esi
pop edi
pop ebx
pop ebp
ret