joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c2d10
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1cc
mov eax, dword [0x6b900c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp byte [0x6c36a5], 0
push ebx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x15c], ebx
jne 0x4c2d46
call fcn.004c35a0
test al, al
je 0x4c2d57
mov byte [0x6c36a5], 1
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
ret
mov eax, dword [ebx + 0x5a8]
test eax, eax
je 0x4c2d78
push 0x400
push eax
call fcn.00526310
add esp, 8
call fcn.004c35a0
test al, al
jne 0x4c2d46
push esi
push edi
nop word [eax + eax]
mov esi, 2
mov dword [ebp - 0x154], 4
lea eax, [ebp - 0x44]
mov dword [ebp - 0x148], esi
mov dword [ebp - 0x150], eax
nop
lea eax, [ebp - 0x18c]
push eax
call fcn.004b1400
push 0
push 1
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x17c], xmm0
movups xmmword [ebp - 0x16c], xmm0
call fcn.004baae0
movups xmm1, xmmword [ebp - 0x17c]
add esp, 0xc
lea ecx, [esi - 1]
movaps xmm0, xmm1
psrldq xmm0, 4
movd eax, xmm0
push eax
movd eax, xmm1
push eax
push 0
push ecx
call fcn.0060abf0
imul esi, dword [ebp - 0x164]
mov edi, eax
lea eax, [ebp - 0x19c]
mov ebx, edx
push eax
mov dword [ebp - 0x158], esi
call fcn.004b1400
mov esi, dword [eax + 8]
lea eax, [ebp - 0x1ac]
push eax
call fcn.004b1400
mov ecx, eax
add esp, 8
mov eax, dword [ebp - 0x148]
inc eax
mov dword [ebp - 0x14c], eax
mov eax, esi
cdq
add eax, dword [ecx]
push 0
push dword [ebp - 0x14c]
adc edx, dword [ecx + 4]
push edx
push eax
call fcn.0060abf0
shld edx, eax, 8
shl eax, 8
xor ebx, edx
xor edi, eax
mov dword [ebp - 0x168], ebx
lea eax, [ebp - 0x1bc]
mov dword [ebp - 0x16c], edi
push eax
call fcn.004b1400
lea esi, [eax + 8]
lea eax, [ebp - 0x1cc]
push eax
call fcn.004b1400
add esp, 8
mov ecx, dword [eax]
add ecx, dword [esi]
mov eax, dword [ebp - 0x148]
mov esi, dword [ebp - 0x14c]
add eax, 2
imul ecx, eax
mov eax, dword [ebp - 0x158]
mov dword [ebp - 0x148], esi
shl ecx, 0x10
xor eax, ecx
mov dword [ebp - 0x164], eax
mov eax, dword [ebp - 0x150]
movups xmm0, xmmword [ebp - 0x16c]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [ebp - 0x154], 1
mov dword [ebp - 0x150], eax
jne 0x4c2da0
movsd xmm0, qword [0x61b2a0]
lea eax, [ebp - 0x44]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00525620
add esp, 0x10
call fcn.004c35a0
test al, al
je 0x4c2d80
lea eax, [ebp - 0x144]
mov byte [ebp - 0x144], 0
push 0x100
push eax
call fcn.00526160
add esp, 8
cmp byte [ebp - 0x144], 0
pop edi
pop esi
je 0x4c2f3c
lea eax, [ebp - 0x144]
push 0x400
push eax
call fcn.00526310
add esp, 8
call fcn.004c35a0
test al, al
jne 0x4c2d46
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [ebp - 0x15c]
call fcn.004ad910
add esp, 8
call fcn.004c35a0
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.0049a127
mov esp, ebp
pop ebp
ret
Function at 0x4c8e40
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 0x4c8e88
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004ad850
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push esi
call fcn.004c8730
add esp, 0x10
pop esi
pop ebx
pop ebp
ret

Function at 0x4c8fc0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 0xc], 0x1f
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [eax + 0x134]
mov eax, dword [eax + 0xc]
mov dword [ebp - 4], eax
jne 0x4c911e
push edi
lea eax, [ebx + 0x1cb4]
lea edi, [ebx + 0x1eb4]
mov dword [edi], eax
cmp eax, edi
jae 0x4c8ff8
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c9003
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c900e
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
mov word [ebp - 0xc], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [ebp - 0x14], ax
cmp ecx, edi
jae 0x4c903e
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c904b
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c9058
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4c9065
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c9070
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c907b
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea ecx, [ebx + 0x1cb4]
mov esi, dword [ebp + 8]
mov dword [ebx + 0x1eb8], eax
sub eax, ecx
sub eax, 2
mov dword [edi], ecx
push eax
lea eax, [ebx + 0x1cb6]
push eax
push 0x3e
push esi
call fcn.004c8830
add esp, 0x10
lea eax, [ebx + 0x1cb4]
push 0
push 3
push eax
mov eax, dword [ebp - 4]
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 0x4c90db
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004ad850
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb7]
push eax
push esi
call fcn.004c8ea0
add esp, 0xc
lea eax, [ebx + 0x1cbb]
push 0
push 2
push eax
mov eax, dword [ebp - 4]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c911c
call edi
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004ad850
add esp, 0xc
pop esi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4c9280
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x6b900c]
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.005e1180
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.005e1180
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.004c8830
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp ecx, 0x18
je 0x4c9468
cmp ecx, 0x23
je 0x4c9442
cmp ecx, 0x27
jne 0x4c94f6
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004bcdd0
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4c93e1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c9367
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4c93cf
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.0040b679
add esp, 0x10
test eax, eax
je 0x4c93cf
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.004bcdd0
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4c9360
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.004bcdd0
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 0x4c943c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ad850
add esp, 0xc
push edi
jmp 0x4c94e4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c9450
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4c9489
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c9473
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.004bcdd0
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 0x4c94e0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ad850
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004c8830
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0049a127
mov esp, ebp
pop ebp
ret
Function at 0x4ca1c0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6b900c]
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 + 0x14c]
lea esi, [edi + 0x158]
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 + 0x140], 0
mov dword [edi + 0x144], eax
jne 0x4ca24e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc0]
push eax
call fcn.005dfc80
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x140], eax
mov edx, dword [edi + 0x144]
cmp edx, 4
jge 0x4ca281
push str.Received_too_short_packet
push ebx
call fcn.004ad850
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.0049a127
mov esp, ebp
pop ebp
ret
push esi
call fcn.004c9db0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4ca29c
jmp dword [eax*4 + 0x4ca3dc]
cmp edx, 4
jle case.0x4ca29c.4
push esi
call fcn.004c9d90
movzx ecx, word [edi + 0x154]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4ca29c.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.004ad790
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4ca2ff
push 5
push edi
call fcn.004cac50
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x144]
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.004b96b0
jmp 0x4ca3a7
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x158]
push eax
call fcn.004c9d90
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004cad60
add esp, 0xc
cmp eax, esi
jae case.0x4ca29c.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004ad910
jmp 0x4ca3a7
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004c9f70
add esp, 0xc
test eax, eax
je case.0x4ca29c.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x692664
push ebx
call fcn.004ad850
add esp, 0xc
push ebx
call fcn.004b99a0
add esp, 4
test eax, eax
je 0x4ca26e
push 5
push edi
call fcn.004cac50
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0049a127
mov esp, ebp
pop ebp
ret
Function at 0x4cac50
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.0x4cac60
jmp dword [edx*4 + 0x4cacb4]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ca6c0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ca3f0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004cae90
push str.TFTP_finished
push 0x615b60
push ecx
call fcn.004ad910
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x692664
push ecx
call fcn.004ad850
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4d1730
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6b900c]
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 0x4d17a4
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.004ae180
add esp, 0xc
cmp esi, 0xffffffff
jne 0x4d17dd
push str.Error_accept__ing_server_connect
push edi
call fcn.004ad850
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push edi
call fcn.004ad910
push 1
push esi
mov byte [ebx + 0x24e], 0
mov dword [ebx + 0x14c], esi
call fcn.004b9530
add esp, 0x10
mov byte [ebx + 0x261], 1
cmp dword [edi + 0x1b8], 0
je 0x4d185a
push 1
push edi
call fcn.0049f4d0
mov eax, dword [edi + 0x1b8]
push 1
push esi
push dword [edi + 0x1bc]
call eax
push 0
push edi
mov esi, eax
call fcn.0049f4d0
add esp, 0x1c
test esi, esi
je 0x4d185a
push ebx
push edi
call fcn.004d1ca0
add esp, 8
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
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.0049a127
mov esp, ebp
pop ebp
ret

Function at 0x4d3c60
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 0x4d3c92
push str.Couldnt_set_desired_mode
push esi
call fcn.004ad850
add esp, 8
lea eax, [edi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4d3ca9
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push esi
call fcn.004ad910
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4d3cc2
push ebx
push esi
call fcn.004d3920
add esp, 8
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4d3cd7
push esi
call fcn.004d2950
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4d3cec
push esi
call fcn.004d3900
add esp, 4
mov edi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4d3cfc
push esi
call fcn.004d3b40
add esp, 4
mov edi, eax
mov eax, edi
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4df510
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 0x4df543
push 0x2e
push edi
call fcn.005e0fa0
add esp, 8
test eax, eax
je 0x4df541
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4e0870
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 [0x6b908c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4e089d
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 0x4e08e4
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 dword [ebp + 0x10], ebx
jmp 0x4e08ea
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [edi + 4]
mov eax, dword [esi]
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 0x4e094b
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop word [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 0x4e0910
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4e0977
mov eax, dword [esi + 4]
push 1
push 0x61ff48
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x61ff49
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4e0950
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x50c400
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa0
mov eax, dword [0x6b900c]
xor eax, ebp
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
mov dword [ebp - 0xa0], eax
push ebx
mov eax, dword [ecx + 8]
mov ebx, dword [ebp + 0x10]
sub eax, ebx
mov ecx, dword [ecx + 0xc]
mov dword [ebp - 0x98], eax
xor eax, eax
mov dword [ebp - 0x88], eax
cmp ecx, ebx
jb 0x50c5aa
cmp ebx, 0x40
ja 0x50c5aa
lea eax, [ebp - 0x84]
neg eax
push esi
push edi
and eax, 0x3f
lea edi, [ebp - 0x84]
add edi, eax
lea eax, [ebx + 0x100]
mov dword [ebp - 0x9c], edi
cmp ecx, eax
jbe 0x50c47e
mov eax, ecx
sub eax, ebx
sub eax, 0x100
mov dword [ebp - 0x88], eax
push ebx
xor esi, esi
mov dword [ebp - 0x8c], 0
push esi
push edi
call fcn.005e1180
mov eax, dword [ebp + 0xc]
add esp, 0xc
mov ecx, dword [ebp - 0x88]
mov dword [ebp - 0x90], esi
cmp ecx, dword [eax + 0xc]
jae 0x50c55e
mov edx, ecx
sub edx, dword [eax + 8]
mov dword [ebp - 0x94], edx
nop dword [eax + eax]
mov ebx, dword [ebp + 0xc]
mov eax, ecx
xor eax, dword [ebp - 0x98]
lea edi, [eax - 1]
not eax
shr eax, 0x1f
shr edi, 0x1f
and edi, eax
mov eax, dword [ebp + 0xc]
neg edi
xor edx, dword [eax + 8]
mov eax, ecx
xor eax, dword [ebx + 8]
or edx, eax
mov eax, dword [ebx + 0x14]
xor edx, ecx
mov ebx, dword [ebp + 0x10]
shr edx, 0x1f
neg edx
mov cl, byte [eax + ecx]
mov eax, edi
or eax, dword [ebp - 0x8c]
and eax, edx
mov edx, dword [ebp - 0x90]
and edi, edx
mov dword [ebp - 0x8c], eax
and al, cl
or esi, edi
mov edi, dword [ebp - 0x9c]
or byte [edx + edi], al
inc edx
mov ecx, edx
mov eax, edx
sub ecx, ebx
xor eax, ebx
xor ecx, ebx
or ecx, eax
mov eax, dword [ebp + 0xc]
xor ecx, edx
shr ecx, 0x1f
neg ecx
and edx, ecx
mov ecx, dword [ebp - 0x88]
mov dword [ebp - 0x90], edx
inc ecx
mov edx, dword [ebp - 0x94]
inc edx
mov dword [ebp - 0x88], ecx
mov dword [ebp - 0x94], edx
cmp ecx, dword [eax + 0xc]
jb 0x50c4c0
xor edx, edx
test ebx, ebx
je 0x50c594
mov ecx, dword [ebp - 0xa0]
mov eax, esi
xor eax, 0x20
mov al, byte [eax + edi]
movzx eax, byte [esi + edi]
inc esi
mov byte [ecx + edx], al
mov ecx, esi
sub ecx, ebx
mov eax, esi
xor ecx, ebx
xor eax, ebx
or ecx, eax
inc edx
xor ecx, esi
shr ecx, 0x1f
neg ecx
and esi, ecx
cmp edx, ebx
jb 0x50c564
pop edi
pop esi
mov eax, 1
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
pop ebx
call fcn.0049a127
mov esp, ebp
pop ebp
ret
Function at 0x50d5e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
sub esp, 0xc
mov eax, dword [eax + 4]
push esi
mov esi, dword [ebp + 0xc]
push edi
mov eax, dword [eax + 0x64]
mov edi, dword [ebp + 0x14]
inc edi
test byte [eax + 0x30], 1
je 0x50d623
mov ecx, dword [ebp + 0x10]
mov edx, dword [esi + 8]
lea eax, [edi + ecx]
cmp eax, edx
jbe 0x50d613
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
add dword [esi + 0x14], ecx
sub edx, ecx
add dword [esi + 0x18], ecx
sub dword [esi + 0xc], ecx
mov dword [esi + 8], edx
jmp 0x50d628
cmp edi, dword [esi + 8]
ja 0x50d60b
mov eax, dword [esi + 8]
mov ecx, dword [esi + 0x14]
push ebx
mov al, byte [ecx + eax - 1]
movzx ebx, al
mov byte [ebp + 0x17], al
mov eax, dword [ebp + 8]
mov dword [ebp - 4], ebx
push dword [eax + 0x3cc]
call fcn.004311e0
push eax
call fcn.0053ab90
add esp, 8
test eax, 0x200000
je 0x50d66e
or eax, 0xffffffff
sub eax, ebx
add dword [esi + 8], eax
mov eax, 1
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov edx, dword [esi + 8]
lea ecx, [ebx + edi]
mov ebx, edx
mov dword [ebp + 8], edx
sub ebx, ecx
mov eax, edx
xor ebx, ecx
xor eax, ecx
or ebx, eax
mov eax, 0x100
xor ebx, edx
shr ebx, 0x1f
dec ebx
cmp edx, eax
cmovb eax, edx
xor edi, edi
mov dword [ebp - 8], eax
test eax, eax
je 0x50d6ec
mov eax, dword [esi + 0x14]
mov ecx, dword [ebp - 4]
mov edx, ecx
mov esi, dword [ebp + 8]
shr edx, 0x1f
dec esi
mov dword [ebp - 0xc], edx
add esi, eax
sub ecx, edi
lea esi, [esi - 1]
shr ecx, 0x1f
mov eax, edi
shr eax, 0x1f
inc edi
xor cl, al
xor al, dl
or cl, al
movzx eax, byte [esi + 1]
xor cl, dl
dec cl
movzx edx, cl
movzx ecx, byte [ebp + 0x17]
xor ecx, eax
and edx, ecx
mov ecx, dword [ebp - 4]
not edx
and ebx, edx
mov edx, dword [ebp - 0xc]
cmp edi, dword [ebp - 8]
jb 0x50d6b0
mov esi, dword [ebp + 0xc]
mov edx, dword [ebp + 8]
not ebx
movzx eax, bl
pop ebx
pop edi
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and ecx, eax
mov eax, dword [ebp - 4]
neg ecx
inc eax
and eax, ecx
sub edx, eax
mov dword [esi + 8], edx
mov dword [ebp + 8], ecx
not ecx
mov dword [ebp + 0x14], ecx
mov ecx, dword [ebp + 8]
mov eax, dword [ebp + 0x14]
and ecx, 1
or eax, ecx
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x519ad0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
cmp dword [eax + 0x10], 0
je 0x519afc
mov ecx, dword [ebp + 0xc]
test ecx, ecx
je 0x519afc
push dword [eax + 0x24]
push 1
push dword [ebp + 0x10]
push ecx
call fcn.005f1ea9
add esp, 0x10
test eax, eax
cmovne eax, dword [ebp + 0x10]
pop ebp
ret
xor eax, eax
pop ebp
ret

Function at 0x519f70
Capabilities:
Check if file exists

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
push esi
push dword [ebp + 8]
call fcn.00552700
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.005e0fa0
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x51a029
push 0x45
push str.....crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.00528240
push 0x6229f4
push esi
push 0x62d10c
push dword [ebp + 8]
push str.fopen_
push 5
call fcn.00527b10
add esp, 0x2c
call fcn.005f01ed
cmp dword [eax], 2
je 0x51a00a
call fcn.005f01ed
cmp dword [eax], 6
je 0x51a00a
push 0x4e
push str.....crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.00528240
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push 0x4c
push str.....crypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.00528240
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
call fcn.0051a0b0
push eax
call fcn.0051a4f0
mov esi, eax
add esp, 4
test esi, esi
jne 0x51a04d
push edi
call fcn.005e48cd
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push 0
push esi
call fcn.0051a170
push edi
push ebx
push 0x6a
push esi
call fcn.0051a1b0
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
pop ebp
ret