joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c2f40
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x67bbb0]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x4c300b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.004dd240
add esp, 0xc
test eax, eax
jne 0x4c300b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.004dd240
add esp, 0xc
test eax, eax
jne 0x4c300b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x4c2f94
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.004dd210
add esp, 0xc
test eax, eax
je 0x4c2fc8
sub eax, esi
push eax
push 0x2e
push esi
call fcn.004dd210
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x4c2fca
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 0x4c2ff6
mov al, byte [esi]
push eax
call fcn.004d1a90
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 0x4c2fd8
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.005eee94
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.005eee94
add esp, 0x18
ret

Function at 0x4c3c60
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [0x6780ec]
cmp eax, 0xffffffff
jne 0x4c3ca2
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4c3c88
xor eax, eax
test eax, eax
mov dword [0x6780ec], eax
setg al
ret
push eax
push 0
mov dword [0x6780ec], 1
call fcn.004cdc30
mov eax, dword [0x6780ec]
add esp, 8
test eax, eax
setg al
ret

Function at 0x4c3cb0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2f0], 2
jne 0x4c3d05
mov eax, dword [0x6780ec]
cmp eax, 0xffffffff
jne 0x4c3cff
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4c3ce5
xor eax, eax
test eax, eax
mov dword [0x6780ec], eax
setg al
ret
push eax
push 0
mov dword [0x6780ec], 1
call fcn.004cdc30
mov eax, dword [0x6780ec]
add esp, 8
test eax, eax
setg al
ret
mov al, 1
ret
Function at 0x4cd0f0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x608], 0
je 0x4cd134
push esi
push 1
push edi
call fcn.004bed60
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.004bed60
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x4cd16d
push dword [edi + 0x598]
lea eax, [eax + eax*2]
push 1
add eax, 0x5fc950
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 0x4cd760
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x67bbb0]
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 0x4cd86e
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x1d4]
cmp dword [eax + ebx], 0x4cd430
jne 0x4cd86e
cmp dword [esi], 0
je 0x4cd7f8
test edi, edi
je 0x4cd86e
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.004d01d0
add esp, 0x14
cmp eax, 0xffffffff
je 0x4cd86e
test al, 1
je 0x4cd86e
mov ecx, dword [esi]
test ecx, ecx
jne 0x4cd84b
mov eax, dword [ebx]
mov eax, dword [eax + 0x8fc]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x6780d8]
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 0x4cd867
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 0x4cd86e
add dword [esi + 8], eax
jmp 0x4cd86e
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 0x4cd8d7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4cd8a8
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x4cd8dc
push 0x80
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.004bace0
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.004cd180
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xcec], esi
mov eax, 0x37
jmp 0x4cd8d9
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.005eee94
add esp, 0x8c
ret
Function at 0x4cf7d0
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 0x4cf7ea
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 0x5fcdd8
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strpbrk
add esp, 8
test eax, eax
je 0x4cf832
test ebp, ebp
je 0x4cf823
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 0x4cf858
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4cf858
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 0x4cf90f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cf875
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x6780d8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4cf905
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4cf905
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cf8a7
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 0x4cf8c0
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 0x4cf8d0
test ebp, ebp
je 0x4cf8fc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x6780dc]
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 [0x6780dc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4db790
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 [0x67bbb0]
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 0x4db976
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 0x4db964
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4db964
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 0x4db964
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4db964
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4db964
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4db964
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4db964
push ebx
push 0x5fe7bc
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.004d0760
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4db8c2
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 0x4db964
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 0x4db964
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x4db917
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4db91c
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4db906
cmp esi, 0xfffffffc
je 0x4db949
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4db964
cmp esi, 0xfffffffd
je 0x4db949
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4db964
cmp esi, 0xfffffffe
je 0x4db949
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4db964
cmp esi, 0xffffffff
je 0x4db949
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4db964
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.005eee94
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.005eee94
add esp, 0x34
ret
Function at 0x4ddc20
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 0x4dddd2
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x4dddbc
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x4ddc6f
lea ebp, [eax + 0xe]
jmp 0x4ddc7b
cmp eax, 0x17
jne 0x4ddd29
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x4ddd29
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x4ddd29
cmp eax, ebp
jb 0x4ddd29
push 0x20
call dword [0x6780d8]
mov edi, eax
add esp, 4
test edi, edi
je 0x4dddb1
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 [0x6780d8]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x4ddda0
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 0x4ddd15
push eax
call dword [0x6780e4]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x4ddd86
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x4ddd25
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x4ddc62
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x4ddd48
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x4dddb8
test esi, esi
je 0x4ddd75
push dword [esi + 0x18]
call dword [0x6780dc]
push dword [esi + 0x14]
call dword [0x6780dc]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x6780dc]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x4ddd50
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 [0x6780dc]
push edi
call dword [0x6780dc]
add esp, 8
jmp 0x4ddd38
push edi
mov ebx, 8
call dword [0x6780dc]
add esp, 4
jmp 0x4ddd38
mov ebx, 8
jmp 0x4ddd38
test esi, esi
jne 0x4dddc8
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 0x4e2220
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x1c4
mov eax, dword [0x67bbb0]
xor eax, esp
mov dword [esp + 0x1c0], eax
cmp byte [0x67f238], 0
push ebx
mov ebx, dword [esp + 0x1cc]
mov dword [esp + 0x10], ebx
jne 0x4e2259
call fcn.00500e70
test eax, eax
je 0x4e2271
mov byte [0x67f238], 1
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x1c0]
xor ecx, esp
call fcn.005eee94
add esp, 0x1c4
ret
mov eax, dword [ebx + 0x9cc]
test eax, eax
je 0x4e2292
push 0x400
push eax
call fcn.00501b20
add esp, 8
call fcn.00500e70
test eax, eax
jne 0x4e2259
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.004d5510
push 1
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x38], xmm0
movups xmmword [esp + 0x28], xmm0
call fcn.004d05b0
lea eax, [esp + 0x58]
push eax
call fcn.004d5510
mov esi, dword [eax + 8]
lea eax, [esp + 0x6c]
push eax
call fcn.004d5510
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.005f02b0
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.005f02b0
xor edi, eax
xor ebx, edx
lea eax, [esp + 0x70]
mov dword [esp + 0x20], edi
push eax
mov dword [esp + 0x28], ebx
call fcn.004d5510
lea esi, [eax + 8]
lea eax, [esp + 0x84]
push eax
call fcn.004d5510
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 0x4e22c0
movsd xmm0, qword [0x6013c0]
lea eax, [esp + 0x90]
sub esp, 8
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.00500cc0
add esp, 0x10
call fcn.00500e70
test eax, eax
je 0x4e22a0
lea eax, [esp + 0xd0]
mov byte [esp + 0xd0], 0
push 0x100
push eax
call fcn.00501960
add esp, 8
cmp byte [esp + 0xd0], 0
pop edi
pop esi
pop ebp
je 0x4e2422
lea eax, [esp + 0xc4]
push 0x400
push eax
call fcn.00501b20
add esp, 8
call fcn.00500e70
test eax, eax
jne 0x4e2259
push str.libcurl_is_now_using_a_weak_random_seed__n
push dword [esp + 0x14]
call fcn.004cd260
add esp, 8
call fcn.00500e70
mov ecx, dword [esp + 0x1c4]
neg eax
pop ebx
sbb eax, eax
xor ecx, esp
and eax, 0xffffffdd
add eax, 0x23
call fcn.005eee94
add esp, 0x1c4
ret
Function at 0x4e6cb0
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1004
call fcn.005f01a0
mov eax, dword [0x67bbb0]
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 0x4e6d19
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4e6d19
lea eax, [esp]
push eax
call dword [0x6780e4]
add esp, 4
mov ecx, dword [esp + 0x1000]
xor ecx, esp
call fcn.005eee94
add esp, 0x1004
ret
mov ecx, dword [esp + 0x1000]
xor eax, eax
xor ecx, esp
call fcn.005eee94
add esp, 0x1004
ret
Function at 0x50b040
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.005f01a0
push ebx
push esi
mov esi, dword [esp + 0x38]
xor ebx, ebx
mov eax, esi
sub eax, ebx
je 0x50b088
sub eax, 2
je 0x50b088
sub eax, 0x15
je 0x50b088
push 0x293
push str.crypto_bio_b_addr.c
push 0x83
push 0x8f
push 0x20
call fcn.00504250
add esp, 0x14
pop esi
xor eax, eax
pop ebx
add esp, 0x20
ret
call fcn.0050ae60
cmp eax, 1
jne 0x50b080
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 0x50b0c9
or ecx, 0x400
mov dword [esp + 0x10], ecx
cmp dword [esp + 0x3c], 1
jne 0x50b0d7
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 0x50b12f
cmp esi, 8
je 0x50b176
mov ecx, dword [esp + 0x10]
test ecx, 0x400
je 0x50b13e
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 0x50b0f5
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.00504250
test edi, edi
cmovne esi, edi
push esi
call fcn.0050b580
push eax
push 1
call fcn.00503890
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.00504250
add esp, 0x14
pop edi
pop ebp
pop esi
mov eax, ebx
pop ebx
add esp, 0x20
ret
Function at 0x55a130
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.005f01a0
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 0x55a174
cmp ecx, edx
jb 0x55a174
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 0x55a163
pop edi
jmp 0x55a181
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.00530cd0
add esp, 0x14
pop esi
test eax, eax
je 0x55a1ab
cmp dword [esp], 0x10
jne 0x55a1ab
mov eax, 1
pop ecx
ret
xor eax, eax
pop ecx
ret

Function at 0x55a2f0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, dword [esp + 0xc]
test ebp, ebp
je 0x55a363
mov edx, dword [esp + 0x10]
test edx, edx
je 0x55a363
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 0x55a333
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 0x55a320
mov eax, dword [ebx + 0xc]
pop esi
cmp edx, eax
jbe 0x55a361
sub edx, eax
cmp edx, 0x10
jbe 0x55a345
mov edx, 0x10
jmp 0x55a349
test edx, edx
je 0x55a361
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 0x55a350
pop edi
pop ebx
pop ebp
ret
Function at 0x5600c0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x9c
call fcn.005f01a0
mov eax, dword [0x67bbb0]
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 0x56012d
cmp edi, eax
je 0x560121
test ebp, ebp
je 0x5601a0
test ebx, ebx
js 0x5601a0
mov dword [esp + 0x10], 1
mov dword [esi], edi
jmp 0x560133
test eax, eax
je 0x5601a0
mov edi, eax
push edi
call fcn.004d56c0
add esp, 4
test al, 2
jne 0x5601a0
test ebp, ebp
je 0x5602ab
push edi
mov dword [esp + 0x14], 1
call fcn.004f4c60
add esp, 4
cmp eax, 0x90
jg 0x5601a0
cmp eax, ebx
jge 0x5601bb
push dword [esp + 0x14]
push edi
push dword [esi + 4]
call fcn.004fb560
add esp, 0xc
test eax, eax
je 0x5601a0
push ebx
push ebp
push dword [esi + 4]
call fcn.004fb710
add esp, 0xc
test eax, eax
je 0x5601a0
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004fb4c0
add esp, 0xc
test eax, eax
jne 0x5601d7
xor eax, eax
mov ecx, dword [esp + 0xa8]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005eee94
add esp, 0x9c
ret
cmp ebx, 0x90
ja 0x5601a0
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 0x5601fa
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 0x560200
mov ebp, dword [esp + 0x14]
push ebp
push edi
push dword [esi + 8]
call fcn.004fb560
add esp, 0xc
test eax, eax
je 0x5602b8
push edi
call fcn.004f4c60
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.004fb710
add esp, 0x10
test eax, eax
je 0x5602b8
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 0x560250
push ebp
push edi
push dword [esi + 0xc]
call fcn.004fb560
add esp, 0xc
test eax, eax
je 0x5602b8
push edi
call fcn.004f4c60
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.004fb710
add esp, 0x10
test eax, eax
je 0x5602b8
push dword [esi + 8]
push dword [esi + 4]
call fcn.004fb8a0
xor ebp, ebp
add esp, 8
test eax, eax
mov ecx, 1
cmovne ebp, ecx
jmp 0x5602ba
mov ebx, dword [esp + 0x10]
test ebx, ebx
je 0x56028f
jmp 0x5601fe
xor ebp, ebp
test ebx, ebx
je 0x5602d0
lea eax, [esp + 0x18]
push 0x90
push eax
call fcn.00401320
add esp, 8
mov eax, ebp
jmp 0x5601a2
Function at 0x59c8a0
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x59c8b4
mov dword [esp + 0x18], fcn.0059b070
jmp fcn.005945d0
mov dword [esp + 0x18], fcn.0059a310
jmp fcn.005942d0