joyce8/EMBER2024-capa huggingface dataset:
Function at 0x472a70
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x472b3b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.0048e000
add esp, 0xc
test eax, eax
jne 0x472b3b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.0048e000
add esp, 0xc
test eax, eax
jne 0x472b3b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x472ac4
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.0048dfd0
add esp, 0xc
test eax, eax
je 0x472af8
sub eax, esi
push eax
push 0x2e
push esi
call fcn.0048dfd0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x472afa
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
mov ebx, 0x1505
add edi, esi
cmp esi, edi
jae 0x472b26
mov al, byte [esi]
push eax
call fcn.004813c0
movsx ecx, al
inc esi
mov eax, ebx
add esp, 4
shl eax, 5
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp esi, edi
jb 0x472b08
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004b446a
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.004b446a
add esp, 0x18
ret
Function at 0x47d6d0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x10c
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x108], eax
mov eax, dword [esp + 0x118]
mov edx, dword [esp + 0x114]
push ebx
mov ebx, dword [esp + 0x114]
mov dword [esp + 8], eax
xor eax, eax
push ebp
mov ebp, dword [esp + 0x128]
mov ecx, dword [ebx + 0x424]
cmp edx, ecx
push esi
sete al
mov esi, 0x440
push edi
lea eax, [eax*4 + 0x420]
mov eax, dword [eax + ebx]
mov dword [esp + 0x10], eax
mov eax, 0x450
cmove esi, eax
mov eax, dword [ebx + 0x540]
add esi, ebx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x47d7de
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x430]
cmp dword [eax + ebx], 0x47d290
jne 0x47d7de
cmp dword [esi], 0
je 0x47d768
test edi, edi
je 0x47d7de
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.0048c7f0
add esp, 0x14
cmp eax, 0xffffffff
je 0x47d7de
test al, 1
je 0x47d7de
mov ecx, dword [esi]
test ecx, ecx
jne 0x47d7bb
mov eax, dword [ebx]
mov eax, dword [eax + 0x90c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [section..data]
mov edi, dword [esi + 4]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x47d7d7
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x47d7de
add dword [esi + 8], eax
jmp 0x47d7de
mov dword [esi + 4], 0
push 0
push dword [esp + 0x130]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
cmp edi, 0xffffffff
jne 0x47d847
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x47d818
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x47d84c
push 0x100
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.0046a170
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.0047cfe0
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xd44], esi
mov eax, 0x37
jmp 0x47d849
xor eax, eax
mov dword [ebp], edi
mov ecx, dword [esp + 0x118]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004b446a
add esp, 0x10c
ret

Function at 0x47dc70
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x46c], 0
je 0x47dc8d
push eax
call fcn.00477090
add esp, 4
test eax, eax
jne 0x47dcac
xor al, al
ret
mov eax, dword [eax + 0x420]
cmp eax, 0xffffffff
je 0x47dc8a
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x47dc8a
mov al, 1
ret
Function at 0x47f9b0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x4e56fc
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x47f9ca
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4e5718
push esi
call fcn.004c1460
add esp, 8
test eax, eax
je 0x47fa12
test ebp, ebp
je 0x47fa03
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x47fa38
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x47fa38
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x47faef
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x47fa55
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x47fae5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x47fae5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x47fa87
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x47faa0
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x47fab0
test ebp, ebp
je 0x47fadc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x534004]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x534004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x484f40
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
test eax, eax
je 0x484f54
mov eax, dword [eax]
mov eax, dword [eax + 0x78]
mov al, byte [eax + 0xe7]
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x484f68
xor al, al
ret
push eax
push 0
call fcn.0047dba0
add esp, 8
mov al, 1
ret
Function at 0x48ad20
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x34
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x30], eax
push ebx
mov ebx, dword [esp + 0x48]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x18], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x48af06
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x20], xmm0
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x48aef4
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x48aef4
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x48aef4
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x48aef4
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x48aef4
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x48aef4
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x48aef4
push ebx
push 0x52a5fc
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.00480090
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x48ae52
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x48aef4
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x48aef4
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x48aea7
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x48aeac
add ecx, 4
add edx, 4
sub esi, 4
jae 0x48ae96
cmp esi, 0xfffffffc
je 0x48aed9
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x48aef4
cmp esi, 0xfffffffd
je 0x48aed9
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x48aef4
cmp esi, 0xfffffffe
je 0x48aed9
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x48aef4
cmp esi, 0xffffffff
je 0x48aed9
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x48aef4
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.004b446a
add esp, 0x34
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
mov ecx, dword [esp + 0x3c]
or eax, 0xffffffff
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004b446a
add esp, 0x34
ret
Function at 0x48ed40
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push esi
xor esi, esi
mov dword [esp + 4], esi
mov dword [eax], esi
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x48eef2
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x48eedc
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x48ed8f
lea ebp, [eax + 0xe]
jmp 0x48ed9b
cmp eax, 0x17
jne 0x48ee49
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x48ee49
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x48ee49
cmp eax, ebp
jb 0x48ee49
push 0x20
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
je 0x48eed1
mov ecx, dword [ebx]
mov dword [edi], ecx
mov ecx, dword [ebx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [edi + 8], ecx
mov eax, dword [ebx + 0xc]
push ebp
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], ebp
mov dword [edi + 0x18], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x48eec0
push ebp
push dword [ebx + 0x18]
push eax
call fcn.004b6770
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x48ee35
push eax
call dword [0x53400c]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x48eea6
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x48ee45
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x48ed82
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x48ee68
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x48eed8
test esi, esi
je 0x48ee95
push dword [esi + 0x18]
call dword [0x534004]
push dword [esi + 0x14]
call dword [0x534004]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x534004]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x48ee70
mov eax, dword [esp + 0x28]
xor esi, esi
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
push dword [edi + 0x18]
mov ebx, 8
call dword [0x534004]
push edi
call dword [0x534004]
add esp, 8
jmp 0x48ee58
push edi
mov ebx, 8
call dword [0x534004]
add esp, 4
jmp 0x48ee58
mov ebx, 8
jmp 0x48ee58
test esi, esi
jne 0x48eee8
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
Function at 0x492800
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x534008]
mov edi, eax
add esp, 8
test edi, edi
je 0x492857
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x49286f
cmp esi, ebx
je 0x49286f
cmp esi, 0x8000
ja 0x49286f
cmp esi, ebx
jb 0x492868
push esi
push edi
call dword [0x534008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x492820
push ebp
call dword [0x534004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x534004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4982e0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x424]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x498342
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov esi, eax
push ebp
push edi
call fcn.0047dba0
add esp, 8
cmp esi, 0xffffffff
jne 0x498366
push str.Error_accept__ing_server_connect
push ebx
call fcn.0047cfe0
add esp, 8
mov eax, 0x1e
jmp 0x4983d5
push str.Connection_accepted_from_server_n
push ebx
call fcn.0047d0c0
push 1
push esi
mov byte [edi + 0x50c], 0
mov dword [edi + 0x424], esi
call fcn.0048af20
add esp, 0x10
mov byte [edi + 0x7e4], 1
cmp dword [ebx + 0x610], 0
je 0x4983d3
push 1
push ebx
call fcn.0046e7a0
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.0046e7a0
add esp, 0x1c
test esi, esi
je 0x4983d3
push edi
call fcn.00498870
add esp, 4
mov eax, 0x2a
jmp 0x4983d5
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004b446a
add esp, 0x88
ret
Function at 0x49f780
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x420]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x49f7cc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0047cfe0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.0049f390
add esp, 0x10
pop edi
pop esi
pop ebx
ret

Function at 0x49f900
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x14c]
jne 0x49fa4e
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x49f94e
lea eax, [ebp + 1]
mov byte [ebp], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x49f94e
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f94e
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 [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x1c]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x49f9b9
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.0049f490
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x49fa0d
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.0047cfe0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.0049f7f0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x49fa4b
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.0047cfe0
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4a0f00
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push ebp
mov ebp, dword [esp + 0x98]
lea eax, [esp + 8]
push esi
push edi
push eax
mov edi, dword [ebp + 0x720]
lea eax, [esp + 0x1c]
mov ebx, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [edi + 0x154]
push 0
add eax, 4
push eax
push dword [edi + 0x15c]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x4a0f86
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.004b6770
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x148], eax
mov esi, dword [edi + 0x14c]
cmp esi, 4
jge 0x4a0fc1
push str.Received_too_short_packet
push ebx
call fcn.0047cfe0
add esp, 8
mov dword [edi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004b446a
add esp, 0x8c
ret
mov edx, dword [edi + 0x15c]
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
shl ecx, 8
or ecx, eax
mov dword [edi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x4a0fe2
jmp dword [ecx*4 + 0x4a10f4]
cmp esi, 4
jle case.0x4a0fe2.4
movzx ecx, byte [edx + 2]
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x40]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x4a0fe2.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebp
call fcn.0047cf20
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4a103a
push 5
push edi
call fcn.004a1a90
add esp, 8
mov eax, esi
jmp 0x4a0fa8
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0x98], eax
adc dword [ebx + 0x9c], edx
push dword [ebx + 0x9c]
push dword [ebx + 0x98]
push ebx
call fcn.0048b230
jmp 0x4a10ca
movzx ecx, byte [edx + 2]
lea eax, [edx + 4]
mov dword [esp + 0x14], eax
add esi, 0xfffffffc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
lea eax, [edx + 4]
push esi
push eax
mov dword [edi + 8], ecx
call fcn.004a0be0
add esp, 8
cmp eax, esi
jae case.0x4a0fe2.4
push dword [esp + 0x14]
push str.TFTP_error:__s_n
push ebx
call fcn.0047d0c0
jmp 0x4a10ca
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.004a0c90
add esp, 0xc
test eax, eax
je case.0x4a0fe2.4
jmp 0x4a0fa8
push str.Internal_error:_Unexpected_packet
push 0x4e914c
push ebx
call fcn.0047cfe0
add esp, 0xc
push ebp
call fcn.0048b600
add esp, 4
test eax, eax
je 0x4a0fa6
push 5
push edi
call fcn.004a1a90
add esp, 8
mov eax, 0x2a
jmp 0x4a0fa8
Function at 0x4b0580
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x534094]
xor eax, esp
mov dword [esp + 0x20], eax
push edi
mov edi, dword [esp + 0x30]
lea eax, [esp + 4]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x1c], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4b0680
push esi
mov esi, dword [esp + 0x38]
push 8
mov dword [esp + 0x18], 0x208
mov dword [esp + 0x1c], 0x6601
mov dl, byte [esi + 1]
mov cl, byte [esi]
mov al, dl
shr al, 1
mov byte [esp + 0x24], cl
shl cl, 7
or al, cl
shl dl, 6
mov cl, byte [esi + 2]
mov byte [esp + 0x25], al
mov al, cl
shr al, 2
or al, dl
shl cl, 5
mov dl, byte [esi + 3]
mov byte [esp + 0x26], al
mov al, dl
shr al, 3
or al, cl
shl dl, 4
mov cl, byte [esi + 4]
mov byte [esp + 0x27], al
mov al, cl
shr al, 4
or al, dl
shl cl, 3
mov dl, byte [esi + 5]
mov byte [esp + 0x28], al
mov al, dl
shr al, 5
or al, cl
shl dl, 2
mov cl, byte [esi + 6]
mov byte [esp + 0x29], al
mov al, cl
shr al, 6
add cl, cl
or al, dl
mov dword [esp + 0x20], 8
mov byte [esp + 0x2a], al
lea eax, [esp + 0x24]
push eax
mov byte [esp + 0x2f], cl
call fcn.004b2480
add esp, 8
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
pop esi
test eax, eax
jne 0x4b0692
push eax
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.004b446a
add esp, 0x24
ret
mov ecx, dword [esp + 0x2c]
push dword [esp + 8]
mov eax, dword [ecx]
mov dword [edi], eax
mov eax, dword [ecx + 4]
mov dword [edi + 4], eax
lea eax, [esp + 0xc]
push eax
push edi
push 0
push 0
push 0
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x24]
mov al, 1
pop edi
xor ecx, esp
call fcn.004b446a
add esp, 0x24
ret