joyce8/EMBER2024-capa huggingface dataset:
Function at 0x505240
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 eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x170]
jne 0x505396
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x505277
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x505282
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x50528d
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 0x5052bd
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052ca
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052d7
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052e4
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x5052ef
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x5052fa
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.00504ac0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x505352
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004e9a70
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.00505130
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x505395
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004e9a70
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x505353
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 eax, dword [eax]
mov dword [ebp - 4], eax
mov ebx, dword [eax + 0x170]
jne 0x505396
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x505277
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x505282
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x50528d
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 0x5052bd
mov al, byte [ebp - 0xc]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052ca
mov al, byte [ebp - 0xb]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052d7
mov al, byte [ebp - 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x5052e4
mov al, byte [ebp - 0x13]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x5052ef
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x5052fa
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
lea esi, [ebx + 0x1cb0]
mov dword [ebx + 0x1eb4], eax
sub eax, esi
sub eax, 2
mov dword [edi], esi
mov edi, dword [ebp - 4]
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push edi
call fcn.00504ac0
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x505352
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004e9a70
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.00505130
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x505395
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004e9a70
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x5054f0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x5521f4]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x104]
push 0x80
push 0
push eax
mov dword [ebp - 0x90c], edi
call fcn.004b0ce0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.004b0ce0
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x170]
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.00504ac0
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x5056d8
cmp ecx, 0x23
je 0x5056b2
cmp ecx, 0x27
jne 0x505766
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004f6650
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x505651
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5055d7
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x50563f
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004e0a00
add esp, 0x10
test eax, eax
je 0x50563f
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.004f6650
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x5055d0
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x53ed5c
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004f6650
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 + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x5056ac
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004e9a70
add esp, 0xc
push edi
jmp 0x505754
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5056c0
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x5056f9
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5056e3
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.004f6650
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x1a8]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x505750
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004e9a70
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.00504ac0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
Function at 0x5063c0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90
mov eax, dword [0x5521f4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, dword [eax + 0x490]
mov ebx, dword [eax]
lea esi, [edi + 0x15c]
mov dword [ebp - 0x90], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x154]
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 + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x506453
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.004b0760
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x148], eax
mov edx, dword [edi + 0x14c]
cmp edx, 4
jge 0x506486
push str.Received_too_short_packet
push ebx
call fcn.004e9a70
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.00497eb9
mov esp, ebp
pop ebp
ret
push esi
call fcn.00505fc0
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x5064a1
jmp dword [eax*4 + 0x5065e8]
cmp edx, 4
jle case.0x5064a1.4
push esi
call fcn.00505fa0
movzx ecx, word [edi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x5064a1.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push dword [ebp - 0x90]
call fcn.004e99c0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x506506
push 5
push edi
call fcn.00506d60
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0xb0], eax
adc dword [ebx + 0xb4], edx
push dword [ebx + 0xb4]
push dword [ebx + 0xb0]
push ebx
call fcn.004f40d0
jmp 0x5065ae
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x15c]
push eax
call fcn.00505fa0
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.00505f70
add esp, 0xc
cmp eax, esi
jae case.0x5064a1.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.004e9b50
jmp 0x5065ae
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.00506170
add esp, 0xc
test eax, eax
je case.0x5064a1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5463c0
push ebx
call fcn.004e9a70
add esp, 0xc
push dword [ebp - 0x90]
call fcn.004f43a0
add esp, 4
test eax, eax
je 0x506473
push 5
push edi
call fcn.00506d60
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
Function at 0x506600
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.0x50661d.4
jmp dword [eax*4 + 0x506834]
lea eax, [edi + 0x15c]
push eax
call fcn.00505fa0
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
movzx eax, ax
cmp eax, esi
jne 0x50664d
mov dword [edi + 0x18], 0
jmp 0x506664
cmp ecx, esi
jne 0x5066d8
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004e9b50
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.00506000
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00505fe0
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x5067aa
mov eax, dword [edi + 0x154]
xor ecx, ecx
add eax, 4
cmp dword [edi + 0x14c], eax
lea eax, [edi + 0x38]
push eax
setl cl
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.004b3f3c
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.004e9b50
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.00506000
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00505fe0
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x5067aa
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.004b3f3c
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
inc dword [edi + 0x18]
inc eax
push dword [edi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004e9b50
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x506786
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
push 0
push 4
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x506810
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.0050d6a0
push eax
push 0x5463c0
push ebx
call fcn.004e9a70
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.00506000
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00505fe0
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x5463c0
push ebx
call fcn.004e9a70
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x506d60
Capabilities:
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.0x506d72
jmp dword [edx*4 + 0x506dc8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00506850
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00506600
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00506f70
push str.TFTP_finished
push 0x539c18
push eax
call fcn.004e9b50
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5463c0
push eax
call fcn.004e9a70
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x509f80
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x5521f4]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.004d7cfa
add esp, 4
mov byte [ebp - 0x108], 0
test eax, eax
je 0x509fe4
push 0x104
lea ecx, [ebp - 0x108]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x108], 0
je 0x509fe4
lea eax, [ebp - 0x108]
push eax
call dword [0x552c2c]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.00497eb9
mov esp, ebp
pop ebp
ret

Function at 0x50a000
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00509f80

Function at 0x50dff0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [ebp - 4], eax
test eax, eax
jne 0x50e010
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push 0x541a34
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x5459fc
push esi
mov dword [ebp - 8], ebx
call fcn.004b7e8f
add esp, 8
test eax, eax
je 0x50e05c
test ebx, ebx
je 0x50e04c
push 8
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
test ebx, ebx
je 0x50e085
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x50e085
push 0x800
push 0
push esi
call ebx
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov edx, eax
mov dword [ebp - 4], edx
test edx, edx
je 0x50e147
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x50e0a1
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [0x552c20]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x50e13d
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x50e13d
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x50e0e0
sub ecx, edx
sar ecx, 1
mov dword [ebx + ecx*2], 0x5c
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax + eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x50e100
sub ecx, edx
sar ecx, 1
lea ecx, [ebx + ecx*2]
sub ecx, esi
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x50e114
mov eax, dword [ebp - 8]
test eax, eax
je 0x50e134
push 8
push 0
push ebx
call eax
jmp 0x50e13b
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x552c24]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x511c40
Capabilities:
Hash data with md5
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push 0xf0000000
push 1
push 0
push 0
push esi
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x511c72
lea eax, [esi + 4]
push eax
push 0
push 0
push 0x8003
push dword [esi]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
pop esi
pop ebp
ret

Function at 0x511df0
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 0x511e23
push 0x2e
push edi
call fcn.004b0630
add esp, 8
test eax, eax
je 0x511e21
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x513060
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, ebx
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x513070
sub esi, ecx
cmp esi, 0x7fffffff
jbe 0x51308c
pop esi
mov eax, 0x1b
pop ebx
mov esp, ebp
pop ebp
ret
push edi
test esi, esi
je 0x51309d
lea eax, [esi + esi]
push eax
call dword [0x552c20]
jmp 0x5130a8
push 0x544d95
call dword [0x552c2c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x5130bb
lea eax, [edi + 0x1b]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push esi
push ebx
push edi
call fcn.00513340
add esp, 0xc
lea eax, [ebp - 8]
push 0xf0000000
push 1
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
mov ebx, dword [ebp + 0x10]
test eax, eax
je 0x513139
lea eax, [ebp - 4]
push eax
push 0
push 0
push 0x8002
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
test eax, eax
je 0x51312e
push 0
lea eax, [esi + esi]
mov dword [ebp - 0xc], 0x10
push eax
push edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [ebp - 0xc]
push eax
push ebx
push 2
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
push 0
push dword [ebp - 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov dword [ebx + 0x10], 0
push edi
mov byte [ebx + 0x14], 0
call dword [0x552c24]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x5133b0
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x5521f4]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x1c]
push edi
mov edi, dword [ebp + 0x10]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [ebp - 0x20], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x513447
lea eax, [ebp - 0xc]
mov dword [ebp - 8], 0
push eax
xorps xmm0, xmm0
movups xmmword [ebp - 0x18], xmm0
push edi
mov word [ebp - 0x18], 0x208
mov dword [ebp - 0x14], 0x6601
mov dword [ebp - 0x10], 8
call fcn.005134b0
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.00514ca0
add esp, 0x10
lea eax, [ebp - 0x24]
push eax
push 0
push 0
push 0x14
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
test eax, eax
jne 0x513459
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 8]
push dword [ebp - 0x20]
mov eax, dword [ecx]
mov dword [esi], eax
mov eax, dword [ecx + 4]
mov dword [esi + 4], eax
lea eax, [ebp - 0x20]
push eax
push esi
push 0
push 0
push 0
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [ebp - 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [ebp - 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
xor ecx, ebp
pop esi
call fcn.00497eb9
mov esp, ebp
pop ebp
ret
Function at 0x513b40
Capabilities:
Hash data using sha256

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov dword [eax + 0x28], 0
mov dword [eax], 0
mov dword [eax + 4], 0
mov dword [eax + 8], 0x6a09e667
mov dword [eax + 0xc], 0xbb67ae85
mov dword [eax + 0x10], 0x3c6ef372
mov dword [eax + 0x14], 0xa54ff53a
mov dword [eax + 0x18], 0x510e527f
mov dword [eax + 0x1c], 0x9b05688c
mov dword [eax + 0x20], 0x1f83d9ab
mov dword [eax + 0x24], 0x5be0cd19
pop ebp
ret