joyce8/EMBER2024-capa huggingface dataset:
Function at 0x452ba0
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.0x452bbd.4
jmp dword [eax*4 + 0x452dd4]
lea eax, [edi + 0x15c]
push eax
call fcn.00452570
movzx ecx, word [edi + 0x40]
add esp, 4
movzx esi, ax
lea eax, [ecx + 1]
movzx eax, ax
cmp eax, esi
jne 0x452bed
mov dword [edi + 0x18], 0
jmp 0x452c04
cmp ecx, esi
jne 0x452c78
push esi
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.0043c4b0
add esp, 0xc
mov word [edi + 0x40], si
lea esi, [edi + 0x160]
push 4
push esi
call fcn.004525d0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004525b0
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 0x452d4a
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.0057a2fd
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.0043c4b0
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.004525d0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004525b0
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 0x452d4a
lea eax, [edi + 0x38]
mov dword [edi], 1
push eax
call fcn.0057a2fd
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.0043c4b0
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x452d26
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 0x452db0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.0042dc00
push eax
push 0x5a3df0
push ebx
call fcn.0043c410
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.004525d0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.004525b0
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 0x5a3df0
push ebx
call fcn.0043c410
add esp, 0xc
mov eax, 0x47
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x453290
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.0x4532a2
jmp dword [edx*4 + 0x4532f8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452df0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452ba0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004534a0
push str.TFTP_finished
push 0x5a8b90
push eax
call fcn.0043c4b0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5a3df0
push eax
call fcn.0043c410
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4532a9
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.0x4532a2
jmp dword [edx*4 + 0x4532f8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452df0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452ba0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004534a0
push str.TFTP_finished
push 0x5a8b90
push eax
call fcn.0043c4b0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5a3df0
push eax
call fcn.0043c410
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4532b2
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.0x4532a2
jmp dword [edx*4 + 0x4532f8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452df0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452ba0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004534a0
push str.TFTP_finished
push 0x5a8b90
push eax
call fcn.0043c4b0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5a3df0
push eax
call fcn.0043c410
add esp, 0xc
mov eax, 0x47
pop ebp
ret

Function at 0x4532bb
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.0x4532a2
jmp dword [edx*4 + 0x4532f8]
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452df0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.00452ba0
mov dword [ebp + 8], ecx
pop ebp
jmp fcn.004534a0
push str.TFTP_finished
push 0x5a8b90
push eax
call fcn.0043c4b0
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5a3df0
push eax
call fcn.0043c410
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x454280
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x62aa54]
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 + 0x16c]
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 0x4542d8
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.0043cb60
add esp, 8
cmp edi, 0xffffffff
jne 0x45430d
push str.Error_accept__ing_server_connect
push ebx
call fcn.0043c410
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0056935c
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.0043c4b0
push 1
mov byte [esi + 0x223], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.0045dd80
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x454372
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x454372
push esi
call fcn.00454790
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0056935c
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.0056935c
mov esp, ebp
pop ebp
ret

Function at 0x4566e0
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
lea eax, [ecx - 0xc8]
mov edx, dword [edi]
cmp eax, 0x64
jb 0x45670f
push str.Couldnt_set_desired_mode
push edx
call fcn.0043c410
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebp
ret
cmp ecx, 0xc8
je 0x456726
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push edx
call fcn.0043c4b0
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x45673d
push edi
call fcn.00456480
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x14
jne 0x456751
push edi
call fcn.004555c0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x15
jne 0x456765
push edi
call fcn.00456460
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x16
jne 0x456775
push edi
call fcn.004565c0
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebp
ret
Function at 0x45b750
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x62aa54]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.00586959
add esp, 4
mov byte [ebp - 0x108], 0
test eax, eax
je 0x45b7b4
push 0x104
lea ecx, [ebp - 0x108]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [ebp - 0x108], 0
je 0x45b7b4
lea eax, [ebp - 0x108]
push eax
call dword [0x627088]
add esp, 4
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0056935c
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0056935c
mov esp, ebp
pop ebp
ret

Function at 0x45b7d0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.0045b750
Function at 0x45ddb0
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_GetModuleHandleA]
mov dword [ebp - 4], eax
test eax, eax
jne 0x45ddd0
pop edi
mov esp, ebp
pop ebp
ret
push ebx
push esi
push str.LoadLibraryExA
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [ebp + 8]
mov ebx, eax
push 0x5afee0
push esi
mov dword [ebp - 8], ebx
call fcn.0058696f
add esp, 8
test eax, eax
je 0x45de1c
test ebx, ebx
je 0x45de0c
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_LoadLibraryA]
pop esi
mov edi, eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
test ebx, ebx
je 0x45de45
push str.AddDllDirectory
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x45de45
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_GetSystemDirectoryA]
mov edx, eax
mov dword [ebp - 4], edx
test edx, edx
je 0x45def0
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x45de61
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x62707c]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x45dee6
push dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x45dee6
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x45de92
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x45deb0
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x45dec0
mov eax, dword [ebp - 8]
test eax, eax
je 0x45dedd
push 8
push 0
push ebx
call eax
jmp 0x45dee4
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x627080]
add esp, 4
pop esi
pop ebx
mov eax, edi
pop edi
mov esp, ebp
pop ebp
ret

Function at 0x4612c0
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 0x4612f3
push 0x2e
push edi
call fcn.00573010
add esp, 8
test eax, eax
je 0x4612f1
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret
Function at 0x463620
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 [0x62707c]
mov edi, eax
add esp, 4
test edi, edi
jne 0x46364d
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 0x463694
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 0x46369a
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 0x4636fb
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 0x4636c0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x463727
mov eax, dword [esi + 4]
push 1
push 0x5b06ae
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5b06af
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x463700
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x495210
Capabilities:
Generate random numbers via winapi

Disassembly:
mov eax, 4
call fcn.00569440
push ebx
push ebp
push esi
mov esi, dword [esp + 0x14]
push edi
push 1
push esi
xor edi, edi
call fcn.0046fb90
mov ebx, eax
push ebx
push esi
call fcn.0046fa70
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x495299
push 0xf0000040
push 1
push edi
push edi
lea eax, [esp + 0x20]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x495273
push ebp
push ebx
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 0x14]
test eax, eax
cmovne edi, ebx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea eax, [edi*8]
push eax
push edi
push esi
call fcn.0046fae0
push esi
call fcn.0046fc30
mov edi, eax
add esp, 0x10
test edi, edi
je 0x495299
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
push 1
push esi
call fcn.0046fb90
mov ebx, eax
push ebx
push esi
call fcn.0046fa70
mov ebp, eax
add esp, 0x10
test ebp, ebp
je 0x495308
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
xor edi, edi
lea eax, [esp + 0x1c]
push edi
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x4952ee
push ebp
push ebx
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 0x14]
test eax, eax
cmovne edi, ebx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
lea eax, [edi*8]
push eax
push edi
push esi
call fcn.0046fae0
push esi
call fcn.0046fc30
add esp, 0x10
mov edi, eax
test edi, edi
jne 0x495291
push esi
call fcn.0046fc30
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
Function at 0x4bba00
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x4bba27
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4bba16
pop edi
movzx eax, dl
pop esi
ret
Function at 0x504880
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.00569440
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x5048cd
mov edx, dword [esp + 0x30]
test esi, esi
je 0x5048cd
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x5048b0
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x504987
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x504917
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x504969
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x504953
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x504900
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x5049f5
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x5049d2
push ebx
call fcn.00504a40
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x5049e3
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x505050
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x505064
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x505119
jb 0x505089
test eax, eax
jne 0x505119
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x5050c9
nop
test esi, esi
je 0x5050b5
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x5050a0
jmp 0x5050b9
test edi, edi
jne 0x50510c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.00506680
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x5050ee
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.00506440
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x50510c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x50510c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x505100
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret
Function at 0x5061f0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x10
call fcn.00569440
push ebx
mov ebx, dword [esp + 0x20]
push esi
mov esi, dword [esp + 0x1c]
mov dword [esi + 0x30], 0
mov dword [esi + 0x34], 0
mov dword [esi + 0x38], 0
mov dword [esi + 0x3c], 0
mov dword [esi + 0x16c], 0
mov dword [esi + 0x168], 0
cmp ebx, 0xc
jne 0x50625c
mov eax, dword [esp + 0x20]
mov ebx, 1
movq xmm0, qword [eax]
movq qword [esi], xmm0
mov eax, dword [eax + 8]
mov dword [esi + 8], eax
mov dword [esi + 0xc], 0x1000000
jmp 0x5063b5
mov dword [esi + 0x40], 0
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esp + 0x14], ebx
mov dword [esi + 0x4c], 0
push ebp
mov ebp, dword [esp + 0x24]
push edi
lea edi, [esi + 0x40]
cmp ebx, 0x10
jb 0x5062fc
lea eax, [esi + 0x60]
mov dword [esp + 0x14], eax
lea ecx, [esi + 0x41]
mov eax, ebx
mov dword [esp + 0x18], ecx
shr eax, 4
mov esi, edi
mov dword [esp + 0x2c], eax
mov eax, ecx
lea edx, [ebp + 1]
mov edi, 4
nop dword [eax]
movzx ecx, byte [edx - 1]
lea edx, [edx + 4]
xor byte [eax - 1], cl
lea eax, [eax + 4]
movzx ecx, byte [edx - 4]
xor byte [eax - 4], cl
movzx ecx, byte [edx - 3]
xor byte [eax - 3], cl
movzx ecx, byte [edx - 2]
xor byte [eax - 2], cl
sub edi, 1
jne 0x5062b0
push dword [esp + 0x14]
push esi
call fcn.00506680
mov ecx, dword [esp + 0x20]
add esp, 8
add ebp, 0x10
sub ebx, 0x10
sub dword [esp + 0x2c], 1
jne 0x5062a3
mov esi, dword [esp + 0x24]
lea edi, [esi + 0x40]
test ebx, ebx
je 0x50631e
xor ecx, ecx
test ebx, ebx
je 0x506311
mov al, byte [ecx + ebp]
xor byte [edi + ecx], al
inc ecx
cmp ecx, ebx
jb 0x506306
lea eax, [esi + 0x60]
push eax
push edi
call fcn.00506680
add esp, 8
mov ebx, dword [esp + 0x1c]
xor edx, edx
shld edx, ebx, 3
xor byte [esi + 0x4b], dl
mov eax, edx
shr eax, 0x18
xor byte [esi + 0x48], al
mov eax, edx
shr eax, 0x10
xor byte [esi + 0x49], al
mov eax, edx
shr eax, 8
xor byte [esi + 0x4a], al
mov eax, edx
shl ebx, 3
xor byte [esi + 0x4f], bl
mov ecx, ebx
shrd ecx, eax, 0x18
xor byte [esi + 0x4c], cl
mov ecx, ebx
shr eax, 0x18
mov eax, edx
shrd ecx, eax, 0x10
xor byte [esi + 0x4d], cl
shr eax, 0x10
mov eax, ebx
shrd eax, edx, 8
xor byte [esi + 0x4e], al
lea eax, [esi + 0x60]
push eax
shr edx, 8
push edi
call fcn.00506680
movzx ebx, byte [esi + 0x4c]
add esp, 8
movzx eax, byte [esi + 0x4d]
shl ebx, 8
or ebx, eax
movzx eax, byte [esi + 0x4e]
shl ebx, 8
or ebx, eax
movzx eax, byte [esi + 0x4f]
shl ebx, 8
or ebx, eax
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [esi + 0x48]
mov dword [esi + 8], eax
mov eax, dword [esi + 0x4c]
pop edi
mov dword [esi + 0xc], eax
pop ebp
mov dword [esi + 0x40], 0
lea eax, [esi + 0x20]
mov dword [esi + 0x44], 0
mov dword [esi + 0x48], 0
mov dword [esi + 0x4c], 0
push dword [esi + 0x174]
push eax
mov eax, dword [esi + 0x170]
push esi
call eax
inc ebx
add esp, 0xc
mov eax, ebx
mov byte [esi + 0xf], bl
shr eax, 0x18
mov byte [esi + 0xc], al
mov eax, ebx
shr eax, 0x10
mov byte [esi + 0xd], al
mov eax, ebx
shr eax, 8
mov byte [esi + 0xe], al
pop esi
pop ebx
add esp, 0x10
ret