joyce8/EMBER2024-capa huggingface dataset:
Function at 0x49aa70
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x658bb0]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x49ab3b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.004b4430
add esp, 0xc
test eax, eax
jne 0x49ab3b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.004b4430
add esp, 0xc
test eax, eax
jne 0x49ab3b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x49aac4
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.004b4400
add esp, 0xc
test eax, eax
je 0x49aaf8
sub eax, esi
push eax
push 0x2e
push esi
call fcn.004b4400
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x49aafa
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 0x49ab26
mov al, byte [esi]
push eax
call fcn.004a8c90
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 0x49ab08
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.005c61f7
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.005c61f7
add esp, 0x18
ret

Function at 0x49b7c0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [0x6550ec]
cmp eax, 0xffffffff
jne 0x49b802
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x49b7e8
xor eax, eax
test eax, eax
mov dword [0x6550ec], eax
setg al
ret
push eax
push 0
mov dword [0x6550ec], 1
call fcn.004a4ea0
mov eax, dword [0x6550ec]
add esp, 8
test eax, eax
setg al
ret

Function at 0x49b810
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2f0], 2
jne 0x49b865
mov eax, dword [0x6550ec]
cmp eax, 0xffffffff
jne 0x49b85f
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x49b845
xor eax, eax
test eax, eax
mov dword [0x6550ec], eax
setg al
ret
push eax
push 0
mov dword [0x6550ec], 1
call fcn.004a4ea0
mov eax, dword [0x6550ec]
add esp, 8
test eax, eax
setg al
ret
mov al, 1
ret
Function at 0x4a4360
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x608], 0
je 0x4a43a4
push esi
push 1
push edi
call fcn.00496940
push dword [edi + 0x59c]
mov eax, dword [edi + 0x608]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.00496940
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x4a43dd
push dword [edi + 0x598]
lea eax, [eax + eax*2]
push 1
add eax, 0x5d4a50
push 2
push eax
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
push dword [edi + 0x598]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
add esp, 0x20
xor eax, eax
pop edi
ret

Function at 0x4a49d0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x658bb0]
xor eax, esp
mov dword [esp + 0x88], eax
mov eax, dword [esp + 0x98]
mov edx, dword [esp + 0x94]
push ebx
mov ebx, dword [esp + 0x94]
mov dword [esp + 8], eax
xor eax, eax
push ebp
mov ebp, dword [esp + 0xa8]
mov ecx, dword [ebx + 0x1c4]
cmp edx, ecx
push esi
sete al
mov esi, 0x1e4
push edi
lea eax, [eax*4 + 0x1c0]
mov eax, dword [eax + ebx]
mov dword [esp + 0x10], eax
mov eax, 0x1f4
cmove esi, eax
mov eax, dword [ebx + 0x2e8]
add esi, ebx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x4a4ade
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x1d4]
cmp dword [eax + ebx], 0x4a46a0
jne 0x4a4ade
cmp dword [esi], 0
je 0x4a4a68
test edi, edi
je 0x4a4ade
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.004a73a0
add esp, 0x14
cmp eax, 0xffffffff
je 0x4a4ade
test al, 1
je 0x4a4ade
mov ecx, dword [esi]
test ecx, ecx
jne 0x4a4abb
mov eax, dword [ebx]
mov eax, dword [eax + 0x8fc]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x6550d8]
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 0x4a4ad7
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 0x4a4ade
add dword [esi + 8], eax
jmp 0x4a4ade
mov dword [esi + 4], 0
push 0
push dword [esp + 0xb0]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4a4b47
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4a4b18
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x4a4b4c
push 0x80
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.004928c0
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.004a43f0
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xcec], esi
mov eax, 0x37
jmp 0x4a4b49
xor eax, eax
mov dword [ebp], edi
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005c61f7
add esp, 0x8c
ret
Function at 0x4a69a0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4a69ba
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 0x5d4ee4
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strpbrk
add esp, 8
test eax, eax
je 0x4a6a02
test ebp, ebp
je 0x4a69f3
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 0x4a6a28
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4a6a28
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 0x4a6adf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4a6a45
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x6550d8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4a6ad5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4a6ad5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4a6a77
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 0x4a6a90
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 0x4a6aa0
test ebp, ebp
je 0x4a6acc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x6550dc]
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 [0x6550dc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4b2980
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 [0x658bb0]
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 0x4b2b66
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 0x4b2b54
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4b2b54
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 0x4b2b54
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4b2b54
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4b2b54
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4b2b54
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4b2b54
push ebx
push 0x5d68cc
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.004a7930
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4b2ab2
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 0x4b2b54
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 0x4b2b54
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x4b2b07
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4b2b0c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4b2af6
cmp esi, 0xfffffffc
je 0x4b2b39
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4b2b54
cmp esi, 0xfffffffd
je 0x4b2b39
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4b2b54
cmp esi, 0xfffffffe
je 0x4b2b39
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4b2b54
cmp esi, 0xffffffff
je 0x4b2b39
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4b2b54
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.005c61f7
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.005c61f7
add esp, 0x34
ret
Function at 0x4b4e10
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 0x4b4fc2
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x4b4fac
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x4b4e5f
lea ebp, [eax + 0xe]
jmp 0x4b4e6b
cmp eax, 0x17
jne 0x4b4f19
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x4b4f19
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x4b4f19
cmp eax, ebp
jb 0x4b4f19
push 0x20
call dword [0x6550d8]
mov edi, eax
add esp, 4
test edi, edi
je 0x4b4fa1
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 [0x6550d8]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x4b4f90
push ebp
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x4b4f05
push eax
call dword [0x6550e4]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x4b4f76
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x4b4f15
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x4b4e52
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x4b4f38
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x4b4fa8
test esi, esi
je 0x4b4f65
push dword [esi + 0x18]
call dword [0x6550dc]
push dword [esi + 0x14]
call dword [0x6550dc]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x6550dc]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x4b4f40
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 [0x6550dc]
push edi
call dword [0x6550dc]
add esp, 8
jmp 0x4b4f28
push edi
mov ebx, 8
call dword [0x6550dc]
add esp, 4
jmp 0x4b4f28
mov ebx, 8
jmp 0x4b4f28
test esi, esi
jne 0x4b4fb8
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 0x4b9410
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x1c4
mov eax, dword [0x658bb0]
xor eax, esp
mov dword [esp + 0x1c0], eax
cmp byte [0x1099c98], 0
push ebx
mov ebx, dword [esp + 0x1cc]
mov dword [esp + 0x10], ebx
jne 0x4b9449
call fcn.004d8040
test eax, eax
je 0x4b9461
mov byte [0x1099c98], 1
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c0]
xor ecx, esp
call fcn.005c61f7
add esp, 0x1c4
ret
mov eax, dword [ebx + 0x9cc]
test eax, eax
je 0x4b9482
push 0x400
push eax
call fcn.004d8cf0
add esp, 8
call fcn.004d8040
test eax, eax
jne 0x4b9449
push ebp
push esi
push edi
nop word [eax + eax]
mov ebx, 2
mov dword [esp + 0x18], 4
lea eax, [esp + 0x90]
mov dword [esp + 0x10], ebx
mov dword [esp + 0x14], eax
nop dword [eax]
lea eax, [esp + 0x40]
push eax
call fcn.004ac700
push 1
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x38], xmm0
movups xmmword [esp + 0x28], xmm0
call fcn.004a7780
lea eax, [esp + 0x58]
push eax
call fcn.004ac700
mov esi, dword [eax + 8]
lea eax, [esp + 0x6c]
push eax
call fcn.004ac700
add esp, 0x10
lea ebp, [ebx + 1]
mov ecx, eax
mov eax, esi
cdq
push 0
add eax, dword [ecx]
push ebp
adc edx, dword [ecx + 4]
push edx
push eax
call fcn.005c71a0
movups xmm1, xmmword [esp + 0x30]
mov esi, dword [esp + 0x10]
mov edi, eax
mov ebx, edx
dec esi
movaps xmm0, xmm1
movd eax, xmm1
psrldq xmm0, 4
movd ecx, xmm0
shld ebx, edi, 8
push ecx
push eax
push 0
push esi
shl edi, 8
call fcn.005c71a0
xor edi, eax
xor ebx, edx
lea eax, [esp + 0x70]
mov dword [esp + 0x20], edi
push eax
mov dword [esp + 0x28], ebx
call fcn.004ac700
lea esi, [eax + 8]
lea eax, [esp + 0x84]
push eax
call fcn.004ac700
mov edx, dword [esp + 0x18]
add esp, 8
mov ebx, ebp
mov dword [esp + 0x10], ebx
mov ecx, dword [eax]
add ecx, dword [esi]
lea eax, [edx + 2]
imul edx, dword [esp + 0x28]
imul ecx, eax
mov eax, dword [esp + 0x14]
shl ecx, 0x10
xor ecx, edx
mov dword [esp + 0x28], ecx
movups xmm0, xmmword [esp + 0x20]
movups xmmword [eax], xmm0
add eax, 0x10
sub dword [esp + 0x18], 1
mov dword [esp + 0x14], eax
jne 0x4b94b0
movsd xmm0, qword [0x5d94c8]
lea eax, [esp + 0x90]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004d7e90
add esp, 0x10
call fcn.004d8040
test eax, eax
je 0x4b9490
lea eax, [esp + 0xd0]
mov byte [esp + 0xd0], 0
push 0x100
push eax
call fcn.004d8b30
add esp, 8
cmp byte [esp + 0xd0], 0
pop edi
pop esi
pop ebp
je 0x4b9612
lea eax, [esp + 0xc4]
push 0x400
push eax
call fcn.004d8cf0
add esp, 8
call fcn.004d8040
test eax, eax
jne 0x4b9449
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [esp + 0x14]
call fcn.004a44d0
add esp, 8
call fcn.004d8040
mov ecx, dword [esp + 0x1c4]
neg eax
pop ebx
sbb eax, eax
xor ecx, esp
and eax, 0xffffffdd
add eax, 0x23
call fcn.005c61f7
add esp, 0x1c4
ret
Function at 0x4bde90
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1004
call fcn.005c7090
mov eax, dword [0x658bb0]
xor eax, esp
mov dword [esp + 0x1000], eax
mov eax, dword [esp + 0x1008]
push eax
call sub.api_ms_win_crt_environment_l1_1_0.dll_getenv
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4bdef9
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4bdef9
lea eax, [esp]
push eax
call dword [0x6550e4]
add esp, 4
mov ecx, dword [esp + 0x1000]
xor ecx, esp
call fcn.005c61f7
add esp, 0x1004
ret
mov ecx, dword [esp + 0x1000]
xor eax, eax
xor ecx, esp
call fcn.005c61f7
add esp, 0x1004
ret
Function at 0x4e2200
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.005c7090
push ebx
push esi
mov esi, dword [esp + 0x38]
xor ebx, ebx
mov eax, esi
sub eax, ebx
je 0x4e2248
sub eax, 2
je 0x4e2248
sub eax, 0x15
je 0x4e2248
push 0x293
push str.crypto_bio_b_addr.c
push 0x83
push 0x8f
push 0x20
call fcn.004db420
add esp, 0x14
pop esi
xor eax, eax
pop ebx
add esp, 0x20
ret
call fcn.004e2020
cmp eax, 1
jne 0x4e2240
mov eax, dword [esp + 0x3c]
xor ecx, ecx
push ebp
push edi
xorps xmm0, xmm0
mov dword [esp + 0x10], ecx
xor edi, edi
movlpd qword [esp + 0x20], xmm0
movlpd qword [esp + 0x28], xmm0
mov dword [esp + 0x14], esi
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], ecx
test esi, esi
jne 0x4e2289
or ecx, 0x400
mov dword [esp + 0x10], ecx
cmp dword [esp + 0x3c], 1
jne 0x4e2297
or ecx, 1
mov dword [esp + 0x10], ecx
mov ebp, dword [esp + 0x48]
lea eax, [esp + 0x10]
push ebp
push eax
push dword [esp + 0x40]
push dword [esp + 0x40]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov esi, eax
test esi, esi
je 0x4e22ef
cmp esi, 8
je 0x4e2336
mov ecx, dword [esp + 0x10]
test ecx, 0x400
je 0x4e22fe
push ebp
lea eax, [esp + 0x14]
and ecx, 0xfffffbff
push eax
push dword [esp + 0x40]
or ecx, 4
mov edi, esi
push dword [esp + 0x40]
mov dword [esp + 0x20], ecx
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov esi, eax
test esi, esi
jne 0x4e22b5
mov ebx, 1
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
push 0x2d4
push str.crypto_bio_b_addr.c
push 2
push 0x8f
push 0x20
call fcn.004db420
test edi, edi
cmovne esi, edi
push esi
call fcn.004e2740
push eax
push 1
call fcn.004daa60
add esp, 0x20
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
push 0x2c5
push str.crypto_bio_b_addr.c
push 0x41
push 0x8f
push 0x20
call fcn.004db420
add esp, 0x14
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
Function at 0x531330
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005c7090
mov edx, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0x10]
mov dword [esp + 4], 0x10
lea eax, [edx + 0xf]
lea ecx, [esi + 0xf]
cmp esi, eax
ja 0x531374
cmp ecx, edx
jb 0x531374
push edi
mov ecx, esi
sub edx, esi
mov edi, 0x10
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub edi, 1
jne 0x531363
pop edi
jmp 0x531381
movups xmm1, xmmword [esi]
movups xmm0, xmmword [edx]
pxor xmm1, xmm0
movups xmmword [esi], xmm1
push 0x10
push esi
lea eax, [esp + 0xc]
push eax
mov eax, dword [esp + 0x18]
push esi
push dword [eax + 4]
call fcn.00507e90
add esp, 0x14
pop esi
test eax, eax
je 0x5313ab
cmp dword [esp], 0x10
jne 0x5313ab
mov eax, 1
pop ecx
ret
xor eax, eax
pop ecx
ret

Function at 0x5314f0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, dword [esp + 0xc]
test ebp, ebp
je 0x531563
mov edx, dword [esp + 0x10]
test edx, edx
je 0x531563
push ebx
mov ebx, dword [esp + 0xc]
push edi
mov eax, dword [ebx + 0xc]
cmp edx, eax
mov edi, eax
cmovb edi, edx
test edi, edi
je 0x531533
push esi
mov esi, ebp
lea ecx, [ebx + 0x10]
nop dword [eax + eax]
mov al, byte [esi]
lea esi, [esi + 1]
xor byte [ecx], al
lea ecx, [ecx + 1]
sub edi, 1
jne 0x531520
mov eax, dword [ebx + 0xc]
pop esi
cmp edx, eax
jbe 0x531561
sub edx, eax
cmp edx, 0x10
jbe 0x531545
mov edx, 0x10
jmp 0x531549
test edx, edx
je 0x531561
xor ecx, ecx
nop dword [eax + eax]
mov eax, dword [ebx + 0xc]
add eax, ecx
mov al, byte [eax + ebp]
xor byte [ebx + ecx + 0x30], al
inc ecx
cmp ecx, edx
jb 0x531550
pop edi
pop ebx
pop ebp
ret
Function at 0x5372d0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x9c
call fcn.005c7090
mov eax, dword [0x658bb0]
xor eax, esp
mov dword [esp + 0x98], eax
mov eax, dword [esp + 0xb0]
push ebx
mov ebx, dword [esp + 0xac]
push ebp
mov ebp, dword [esp + 0xac]
push esi
mov esi, dword [esp + 0xac]
push edi
mov edi, dword [esp + 0xbc]
mov dword [esp + 0x14], eax
mov eax, dword [esi]
mov dword [esp + 0x10], 0
test edi, edi
je 0x53733d
cmp edi, eax
je 0x537331
test ebp, ebp
je 0x5373b0
test ebx, ebx
js 0x5373b0
mov dword [esp + 0x10], 1
mov dword [esi], edi
jmp 0x537343
test eax, eax
je 0x5373b0
mov edi, eax
push edi
call fcn.004ac8b0
add esp, 4
test al, 2
jne 0x5373b0
test ebp, ebp
je 0x5374bb
push edi
mov dword [esp + 0x14], 1
call fcn.004cbe30
add esp, 4
cmp eax, 0x90
jg 0x5373b0
cmp eax, ebx
jge 0x5373cb
push dword [esp + 0x14]
push edi
push dword [esi + 4]
call fcn.004d2730
add esp, 0xc
test eax, eax
je 0x5373b0
push ebx
push ebp
push dword [esi + 4]
call fcn.004d28e0
add esp, 0xc
test eax, eax
je 0x5373b0
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004d2690
add esp, 0xc
test eax, eax
jne 0x5373e7
xor eax, eax
mov ecx, dword [esp + 0xa8]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005c61f7
add esp, 0x9c
ret
cmp ebx, 0x90
ja 0x5373b0
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call sub.VCRUNTIME140.dll_memcpy
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x90
je 0x53740a
mov eax, 0x90
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov ebx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x14]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x90
jl 0x537410
mov ebp, dword [esp + 0x14]
push ebp
push edi
push dword [esi + 8]
call fcn.004d2730
add esp, 0xc
test eax, eax
je 0x5374c8
push edi
call fcn.004cbe30
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.004d28e0
add esp, 0x10
test eax, eax
je 0x5374c8
xor ecx, ecx
nop dword [eax]
mov al, byte [esi + ecx + 0x14]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x90
jl 0x537460
push ebp
push edi
push dword [esi + 0xc]
call fcn.004d2730
add esp, 0xc
test eax, eax
je 0x5374c8
push edi
call fcn.004cbe30
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.004d28e0
add esp, 0x10
test eax, eax
je 0x5374c8
push dword [esi + 8]
push dword [esi + 4]
call fcn.004d2a70
xor ebp, ebp
add esp, 8
test eax, eax
mov ecx, 1
cmovne ebp, ecx
jmp 0x5374ca
mov ebx, dword [esp + 0x10]
test ebx, ebx
je 0x53749f
jmp 0x53740e
xor ebp, ebp
test ebx, ebx
je 0x5374e0
lea eax, [esp + 0x18]
push 0x90
push eax
call fcn.00401320
add esp, 8
mov eax, ebp
jmp 0x5373b2

Function at 0x573aa0
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x573ab4
mov dword [esp + 0x18], fcn.00572280
jmp fcn.0056b7e0
mov dword [esp + 0x18], fcn.00571520
jmp fcn.0056b4e0