joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c62a0
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 + 0x114]
jne 0x4c63ec
push edi
lea eax, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], eax
cmp eax, edi
jae 0x4c62d5
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c62e0
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c62eb
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 0x4c631c
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6326
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6330
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c633a
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6345
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6350
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.004c5b80
add esp, 0x10
push 0
push 3
push esi
mov esi, dword [ebp + 8]
push dword [esi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c63a8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b50b0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push esi
call fcn.004c61e0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [esi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
pop esi
test eax, eax
jns 0x4c63eb
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b50b0
add esp, 0xc
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4c6540
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x543720]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x103]
push 0x7f
push 0
push eax
mov dword [ebp - 0x90c], edi
mov byte [ebp - 0x104], 0
call fcn.004e4b60
push 0x7f
lea eax, [ebp - 0x83]
mov byte [ebp - 0x84], 0
push 0
push eax
call fcn.004e4b60
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x114]
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.004c5b80
mov eax, dword [esi + 0x1eb0]
add esp, 0x28
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1eb0], eax
cmp ecx, 0x18
je 0x4c6730
cmp ecx, 0x23
je 0x4c670d
cmp ecx, 0x27
jne 0x4c67c3
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004c0140
mov esi, dword [esi + 0x1cac]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4c66aa
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
lea ecx, [ecx]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c6630
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4c6698
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004e4030
add esp, 0x10
test eax, eax
je 0x4c6698
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.004c0140
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4c6626
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.004c0140
add esp, 0x14
lea eax, [ebp - 0x904]
add edi, 2
push 0
push edi
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c6705
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b50b0
add esp, 0xc
lea eax, [edi - 2]
jmp 0x4c67b0
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c6718
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4c6756
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
jmp 0x4c6740
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c6740
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.004c0140
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c67ad
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004b50b0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004c5b80
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004e03e9
mov esp, ebp
pop ebp
ret
Function at 0x4c7410
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x543720]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x5c0]
mov edi, dword [eax]
lea ebx, [esi + 0x15c]
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 [ebx]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4c74a3
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004e4510
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4c74d6
push str.Received_too_short_packet
push edi
call fcn.004b50b0
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.004e03e9
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004c7010
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4c74f1
jmp dword [eax*4 + 0x4c7608]
cmp edx, 4
jle case.0x4c74f1.4
push ebx
call fcn.004c6ff0
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4c74f1.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004b4fa0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4c7556
push 5
push esi
call fcn.004c7d20
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e03e9
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.004bde00
jmp 0x4c75ce
push ebx
call fcn.004c6ff0
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x518700
push edi
call fcn.004b5160
add esp, 0x10
jmp case.0x4c74f1.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.004c71c0
add esp, 0xc
test eax, eax
je case.0x4c74f1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e03e9
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x52e4bc
push edi
call fcn.004b50b0
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.004be170
add esp, 4
test eax, eax
je 0x4c74c3
push 5
push esi
call fcn.004c7d20
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004e03e9
mov esp, ebp
pop ebp
ret
Function at 0x4c7620
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.0x4c763d.4
jmp dword [eax*4 + 0x4c7858]
lea eax, [edi + 0x15c]
push eax
call fcn.004c6ff0
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
and eax, 0xffff
cmp eax, esi
jne 0x4c766f
mov dword [edi + 0x18], 0
jmp 0x4c7686
cmp ecx, esi
jne 0x4c76fa
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004b5160
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.004c7050
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c7030
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 0x4c77ce
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.004e1e9d
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.004b5160
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.004c7050
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c7030
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 0x4c77ce
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.004e1e9d
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]
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004b5160
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x4c77aa
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 0x4c7834
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004c22d0
push eax
push 0x52e4bc
push ebx
call fcn.004b50b0
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.004c7050
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004c7030
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 0x52e4bc
push ebx
call fcn.004b50b0
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4c7d20
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.0x4c7d32
jmp dword [edx*4 + 0x4c7d88]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c7870
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c7620
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004c7f30
push str.TFTP_finished
push 0x518700
push eax
call fcn.004b5160
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x52e4bc
push eax
call fcn.004b50b0
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4d06c0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x543720]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push edi
push ecx
lea ecx, [ebp - 0x14]
mov dword [ebp - 0x18], 0x10
mov eax, dword [esi + 0x194]
or edi, 0xffffffff
mov ebx, dword [esi]
push ecx
push eax
mov dword [ebp - 0x1c], eax
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4d0718
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x10
push eax
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x1c]
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push dword [ebp - 0x1c]
push esi
call fcn.004b5860
add esp, 8
cmp edi, 0xffffffff
jne 0x4d074d
push str.Error_accept__ing_server_connect
push ebx
call fcn.004b50b0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e03e9
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004b5160
push 1
mov byte [esi + 0x360], 0
push edi
mov dword [esi + 0x194], edi
call fcn.004d7000
mov byte [esi + 0x1a1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x4d07b2
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x4d07b2
push esi
call fcn.004d0c20
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e03e9
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.004e03e9
mov esp, ebp
pop ebp
ret

Function at 0x4d2bd0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
mov eax, 0x51eb851f
imul ecx
push ebx
sar edx, 5
push esi
mov eax, edx
xor esi, esi
push edi
mov edi, dword [ebp + 8]
shr eax, 0x1f
add eax, edx
mov ebx, dword [edi]
cmp eax, 2
je 0x4d2c0c
push str.Couldnt_set_desired_mode
push ebx
call fcn.004b50b0
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ecx, 0xc8
je 0x4d2c23
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push ebx
call fcn.004b5160
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x4d2c3b
push edi
call fcn.004d2960
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x14
jne 0x4d2c50
push edi
call fcn.004d1a50
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x15
jne 0x4d2c65
push edi
call fcn.004d2940
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebx
pop ebp
ret
cmp eax, 0x16
jne 0x4d2c75
push edi
call fcn.004d2ab0
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebx
pop ebp
ret
Function at 0x4d4710
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x543720]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.004e7980
add esp, 4
mov byte [ebp - 0x108], 0
test eax, eax
je 0x4d4774
push 0x104
lea ecx, [ebp - 0x108]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x108], 0
je 0x4d4774
lea eax, [ebp - 0x108]
push eax
call dword [0x5434b8]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e03e9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.004e03e9
mov esp, ebp
pop ebp
ret

Function at 0x4d4790
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004d4710
Function at 0x4d8060
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 3
jne 0x4d808c
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4d807d
pop edi
xor eax, eax
pop esi
pop ebp
ret
push dword [eax + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call ecx
jmp 0x4d80c0
cmp dword [esi + 8], 0
jne 0x4d80b0
push 0x529e0c
push dword [eax + 8]
call fcn.004e157e
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4d80b0
pop edi
or eax, 0xffffffff
pop esi
pop ebp
ret
push dword [esi + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call fcn.004e179d
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4d80e2
mov eax, dword [esi + 8]
test eax, eax
je 0x4d80dc
push eax
call fcn.004e1e26
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
pop ebp
ret

Function at 0x4dab30
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push esi
mov esi, dword [ebp + 0xc]
push edi
lea ecx, [esi + 1]
mov edi, edi
mov al, byte [esi]
inc esi
test al, al
jne 0x4dab40
sub esi, ecx
lea eax, [esi + esi]
push eax
mov dword [ebp - 0xc], eax
call dword [0x5434ac]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4dab68
lea eax, [edi + 0x1b]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
push esi
push dword [ebp + 0xc]
push edi
call fcn.004dac10
add esp, 0xc
lea eax, [ebp - 8]
push 0xf0000000
push 1
push 0
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
mov esi, dword [ebp + 0x10]
test eax, eax
je 0x4dabe7
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 0x4dabdc
push 0
push dword [ebp - 0xc]
mov dword [ebp - 0x10], 0x10
push edi
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [ebp - 0x10]
push eax
push esi
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 [esi + 0x10], 0
push edi
mov byte [esi + 0x14], 0
call dword [0x5434b0]
add esp, 4
xor eax, eax
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4dac40
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 [0x543720]
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_CryptAcquireContextA]
test eax, eax
je 0x4dacd8
lea eax, [ebp - 0xc]
mov dword [ebp - 8], 0
push eax
xorps xmm0, xmm0
movdqu xmmword [ebp - 0x18], xmm0
push edi
mov word [ebp - 0x18], 0x208
mov dword [ebp - 0x14], 0x6601
mov dword [ebp - 0x10], 8
call fcn.004dad40
lea eax, [ebp - 0xc]
push 8
push eax
call fcn.004dde40
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 0x4dacea
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.004e03e9
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.004e03e9
mov esp, ebp
pop ebp
ret

Function at 0x4dc110
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 0x4dc143
push 0x2e
push edi
call fcn.004e21a0
add esp, 8
test eax, eax
je 0x4dc141
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret
Function at 0x4df410
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 [0x5434ac]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4df43d
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 0x4df484
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 0x4df48a
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 0x4df4ea
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
lea ebx, [ebx]
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
dec dword [ebp + 0x10]
jne 0x4df4b0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4df517
nop
mov eax, dword [esi + 4]
push 1
push 0x522916
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x522917
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4df4f0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret