joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4abf60
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x60a1bc]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x104]
push esi
push edi
push 0x80
push 0
push eax
mov dword [ebp - 0x908], ebx
call fcn.0044b1c0
push 0x80
lea eax, [ebp - 0x84]
push 0
push eax
call fcn.0044b1c0
mov esi, dword [ebx + 0x134]
mov edi, dword [ebx + 0xc]
mov dword [ebp - 0x90c], edi
mov eax, dword [esi + 0x1eb8]
sub eax, dword [esi + 0x1eb4]
add eax, 2
push eax
lea eax, [esi + 0x1cb4]
push eax
push 0x3c
push ebx
call fcn.004ab4d0
mov eax, dword [esi + 0x1eb4]
add esp, 0x28
mov cl, byte [eax]
inc eax
mov dword [esi + 0x1eb4], eax
cmp cl, 0x18
je 0x4ac148
cmp cl, 0x23
je 0x4ac122
cmp cl, 0x27
jne 0x4ac1d6
push 0
push 0x27
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.00489440
mov esi, dword [esi + 0x1cb0]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4ac0c1
nop
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ac047
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4ac0af
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00421b76
add esp, 0x10
test eax, eax
je 0x4ac0af
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.00489440
add esp, 0x1c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4ac040
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.00489440
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ac11c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00485b70
add esp, 0xc
push edi
jmp 0x4ac1c4
lea edx, [esi + 0x1c28]
mov ecx, edx
lea esi, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ac130
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4ac169
lea edx, [esi + 0x1c08]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4ac153
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.00489440
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x148]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ac1c0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.00485b70
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004ab4d0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004318a9
mov esp, ebp
pop ebp
ret
Function at 0x4acea0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x60a1bc]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
mov eax, dword [ebx + 0xc]
mov edi, dword [eax + 0x300]
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [edi + 0x13c]
lea esi, [edi + 0x148]
push 0
add eax, 4
push eax
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x130], 0
mov dword [edi + 0x134], eax
jne 0x4acf2e
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.00448f10
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x4acf61
push str.Received_too_short_packet
push ebx
call fcn.00485b70
add esp, 8
mov dword [edi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
push esi
call fcn.004aca90
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4acf7c
jmp dword [eax*4 + 0x4ad0bc]
cmp edx, 4
jle case.0x4acf7c.4
push esi
call fcn.004aca70
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4acf7c.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.00485ab0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x4acfdf
push 5
push edi
call fcn.004ad900
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
mov eax, dword [edi + 0x134]
sub eax, 4
cdq
add dword [ebx + 0x90], eax
adc dword [ebx + 0x94], edx
push dword [ebx + 0x94]
push dword [ebx + 0x90]
push ebx
call fcn.00493330
jmp 0x4ad087
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.004aca70
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.004ada30
add esp, 0xc
cmp eax, esi
jae case.0x4acf7c.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.00485c30
jmp 0x4ad087
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.004acc50
add esp, 0xc
test eax, eax
je case.0x4acf7c.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5a9d40
push ebx
call fcn.00485b70
add esp, 0xc
push ebx
call fcn.00493610
add esp, 4
test eax, eax
je 0x4acf4e
push 5
push edi
call fcn.004ad900
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004318a9
mov esp, ebp
pop ebp
ret
Function at 0x4ad900
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x4ad910
jmp dword [edx*4 + 0x4ad964]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ad3b0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004ad0d0
mov dword [ebp + 8], eax
pop ebp
jmp fcn.004adb60
push str.TFTP_finished
push 0x5a49b8
push ecx
call fcn.00485c30
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x5a9d40
push ecx
call fcn.00485b70
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x4b7250
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 0x4b7283
push 0x2e
push edi
call fcn.00449a10
add esp, 8
test eax, eax
je 0x4b7281
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4b8bd0
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 [0x60abe4]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4b8bfd
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 0x4b8c47
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 ecx, dword [edi + 4]
mov dword [ebp + 0x10], ebx
jmp 0x4b8c4d
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
mov eax, dword [esi]
push ecx
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 0x4b8cab
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop dword [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 0x4b8c70
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4b8cd7
mov eax, dword [esi + 4]
push 1
push 0x5add68
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5add69
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4b8cb0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4bd290
Capabilities:
Check if file exists

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x10]
push edi
push esi
push dword [esp + 0x14]
call fcn.004d30f0
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.00449a10
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x4bd347
push 0x4a
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.004ca0c0
push 0x5ae3b0
push esi
push 0x5ae3b4
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.004c9830
add esp, 0x2c
call fcn.00451308
cmp dword [eax], 2
je 0x4bd329
call fcn.00451308
cmp dword [eax], 6
je 0x4bd329
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004ca0c0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x51
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.004ca0c0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x5ae34c
call fcn.004bd8a0
mov esi, eax
add esp, 4
test esi, esi
jne 0x4bd369
push edi
call fcn.0045b27b
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.004bd470
push edi
push ebx
push 0x6a
push esi
call fcn.004bd4a0
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x4c8250
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.00432340
mov eax, dword [0x60a1bc]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor edi, edi
mov dword [ebp - 0xc], 1
push edi
push edi
push str.RANDFILE
mov dword [ebp - 8], str.RANDFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov ebx, dword [ebp + 8]
mov esi, eax
test esi, esi
jne 0x4c82e1
push edi
push edi
push str.HOME
mov dword [ebp - 8], str.HOME
mov dword [ebp - 0xc], edi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x4c82e1
push eax
push eax
push str.USERPROFILE
mov dword [ebp - 8], str.USERPROFILE
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
jne 0x4c82e1
push eax
push eax
push str.SYSTEMROOT
mov dword [ebp - 8], str.SYSTEMROOT
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
mov esi, eax
test esi, esi
je 0x4c8359
lea eax, [esi + esi]
call fcn.00432a50
mov eax, esp
push esi
push eax
push dword [ebp - 8]
mov dword [ebp - 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
cmp eax, esi
jae 0x4c8347
push 0
push 0
push 0
push 0
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov dword [ebp - 8], eax
test eax, eax
je 0x4c8347
call fcn.00432a50
mov esi, esp
push 0
push 0
push dword [ebp - 8]
push esi
push 0xffffffffffffffff
push dword [ebp - 0x10]
push 0
push 0xfde9
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
mov edi, eax
neg edi
sbb edi, edi
and edi, esi
mov edx, dword [ebp - 0xc]
test edx, edx
jne 0x4c8362
test edi, edi
jne 0x4c8366
mov edi, 0x5afaf0
jmp 0x4c836b
mov edx, edi
mov edi, 0x5afaf0
jmp 0x4c836b
test edi, edi
je 0x4c83d8
cmp byte [edi], 0
je 0x4c83d8
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c8370
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x4c83ac
lea eax, [ecx + 1]
cmp eax, esi
jae 0x4c83ac
push esi
push edi
push ebx
call fcn.004d3070
add esp, 0xc
cmp eax, esi
jb 0x4c83db
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x4c83db
push esi
push edi
push ebx
call fcn.004d3070
push esi
push 0x5afaf4
push ebx
call fcn.004d3010
push esi
push str..rnd
push ebx
call fcn.004d3010
add esp, 0x24
jmp 0x4c83db
mov byte [ebx], 0
xor eax, eax
cmp byte [ebx], al
cmovne eax, ebx
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
Function at 0x4c8400
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.00432340
mov eax, dword [0x60a1bc]
xor eax, esp
mov dword [esp + 0x470], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
xor edi, edi
mov dword [esp + 0x44], edi
test eax, eax
jne 0x4c8445
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
test esi, esi
je 0x4c842e
push 0x5afa9c
push eax
call fcn.004d30f0
mov ebx, eax
add esp, 8
mov dword [esp + 0x40], ebx
test ebx, ebx
je 0x4c8565
push 0x30
lea eax, [esp + 0x4c]
push 0
push eax
call fcn.0044b1c0
add esp, 0xc
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00466aff
add esp, 4
push eax
call fcn.004bb331
add esp, 8
test eax, eax
js 0x4c855c
mov eax, 8
call fcn.00432340
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.004c8040
add esp, 0x10
test dword [esp + 0x4e], 0x2000
je 0x4c84e0
mov eax, 0x800
cmp esi, 0xffffffff
push 0
push ebx
cmove esi, eax
call fcn.00587f88
add esp, 8
nop dword [eax]
mov edi, 0x400
test esi, esi
jle 0x4c84ee
cmp esi, edi
cmovl edi, esi
push ebx
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.0045b97f
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4c8542
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.00432340
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push ebx
push eax
call fcn.004c8040
add dword [esp + 0x54], ebx
add esp, 0x10
mov ebx, dword [esp + 0x40]
test esi, esi
jle 0x4c84e0
sub esi, edi
test esi, esi
jg 0x4c84e0
lea eax, [esp + 0x78]
push 0x400
push eax
call fcn.004d2c20
mov ebx, dword [esp + 0x48]
add esp, 8
mov edi, dword [esp + 0x44]
push ebx
call fcn.0045b27b
add esp, 4
mov ecx, dword [esp + 0x47c]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004318a9
mov esp, ebp
pop ebp
ret
Function at 0x4d3340
Capabilities:
Set socket configuration

Disassembly:
mov eax, dword [esp + 8]
push esi
mov dword [esp + 0xc], eax
lea eax, [esp + 0xc]
push eax
push 0x8004667e
push dword [esp + 0x10]
call dword [sym.imp.WS2_32.dll_ioctlsocket]
mov esi, eax
test esi, esi
jns 0x4d3380
push 0xcc
push str.....openssl_1.1.0fcrypto_bio_b_sock.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 5
push 2
call fcn.004ca0c0
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x4d34b0
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.00432340
push esi
push edi
mov edi, dword [esp + 0x38]
xor esi, esi
mov eax, edi
sub eax, esi
je 0x4d34f8
sub eax, 2
je 0x4d34f8
sub eax, 0x15
je 0x4d34f8
push 0x289
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 0x83
push 0x87
push 0x20
call fcn.004ca0c0
add esp, 0x14
pop edi
xor eax, eax
pop esi
add esp, 0x20
ret
call fcn.004d32c0
cmp eax, 1
jne 0x4d34f0
cmp dword [esp + 0x34], 1
xorps xmm0, xmm0
mov eax, dword [esp + 0x3c]
movups xmmword [esp + 8], xmm0
mov dword [esp + 0xc], edi
movups xmmword [esp + 0x18], xmm0
mov dword [esp + 0x10], eax
jne 0x4d3527
or dword [esp + 8], 1
push dword [esp + 0x40]
lea eax, [esp + 0xc]
push eax
push dword [esp + 0x38]
push dword [esp + 0x38]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov edi, eax
test edi, edi
je 0x4d3575
push 0x2b5
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 2
push 0x87
push 0x20
call fcn.004ca0c0
push edi
call fcn.004d39a0
push eax
push 1
call fcn.004c9830
add esp, 0x20
pop edi
mov eax, esi
pop esi
add esp, 0x20
ret
mov esi, 1
pop edi
mov eax, esi
pop esi
add esp, 0x20
ret

Function at 0x4d3d30
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 4]
xor dl, dl
push esi
mov esi, dword [esp + 0x10]
push edi
mov edi, dword [esp + 0x10]
test esi, esi
je 0x4d3d56
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4d3d46
pop edi
movzx eax, dl
pop esi
ret
Function at 0x4f0200
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov edx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
mov ecx, ebx
push ebp
mov ebp, dword [esp + 0x10]
push esi
mov esi, ebp
push edi
sub ecx, 4
jb 0x4f0231
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x4f0238
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4f0220
xor edi, edi
cmp ecx, 0xfffffffc
je 0x4f0273
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x4f0273
cmp ecx, 0xfffffffd
je 0x4f0273
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x4f0273
cmp ecx, 0xfffffffe
je 0x4f0273
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x4f0273
cmp ecx, 0xffffffff
je 0x4f0273
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x4f028e
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.004d3d60
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x4f02ad
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x4f02ad
inc ecx
inc edx
cmp ecx, ebx
jl 0x4f02a0
lea edx, [ebx - 1]
test edx, edx
js 0x4f02d1
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x4f02d1
cmp byte [eax], 0xff
jne 0x4f02d1
dec eax
sub edx, 1
jns 0x4f02c0
cmp ecx, edx
jl case.0x4f02fd.2
jle 0x4f02e3
pop edi
pop esi
pop ebp
lea eax, [ecx*8]
pop ebx
ret
mov bl, byte [ecx + ebp]
mov dh, byte [ecx + edi]
mov dl, bl
xor dl, dh
movzx eax, dl
dec eax
cmp eax, 0x7e
ja case.0x4f02fd.2
movzx eax, byte [eax + 0x4f0370]
jmp dword [eax*4 + 0x4f0350]
mov eax, 7
jmp 0x4f0333
mov eax, 6
jmp 0x4f0333
mov eax, 5
jmp 0x4f0333
mov eax, 4
jmp 0x4f0333
mov eax, 3
jmp 0x4f0333
mov eax, 2
jmp 0x4f0333
mov eax, 1
test dl, dh
jne case.0x4f02fd.2
and bl, dl
cmp bl, dl
jne case.0x4f02fd.2
pop edi
pop esi
pop ebp
lea eax, [eax + ecx*8]
pop ebx
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
ret
Function at 0x5053d0
Capabilities:
Send data
Send data on socket

Disassembly:
push esi
push edi
push 0
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov edi, dword [esp + 0xc]
push 0
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [edi + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
push 0xf
push edi
mov esi, eax
call fcn.004bd470
add esp, 8
test esi, esi
jg 0x505427
je 0x505409
cmp esi, 0xffffffff
jne 0x505427
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00505620
add esp, 4
test eax, eax
je 0x505427
push 0xa
push edi
call fcn.004bdbd0
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x50a000
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x50a05c
mov eax, dword [esp + 0x10]
test eax, eax
je 0x50a04d
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.004ea440
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x50a04d
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.004ca0c0
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x50a058
cmp dword [esp + 0x18], 0x20
je 0x50a05c
push 0x35
jmp 0x50a032
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.004bcd40
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x50a092
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004ca0c0
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x50a0a9
push dword [esp + 0x1c]
push edi
push esi
call fcn.00448f10
add esp, 0xc
jmp 0x50a155
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.004d4130
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x50a0ec
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004ca0c0
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004bcb00
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x50a13b
push 0x20
push eax
call fcn.004c8080
add esp, 8
test eax, eax
jg 0x50a125
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.004d4120
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004bcb00
add esp, 0x18
xor eax, eax
pop esi
pop edi
pop ebx
ret
mov eax, dword [esi + 0x20]
and byte [eax], 0xf8
mov eax, dword [esi + 0x20]
and byte [eax + 0x1f], 0x7f
mov eax, dword [esi + 0x20]
or byte [eax + 0x1f], 0x40
jmp 0x50a149
movups xmm0, xmmword [edi]
movups xmmword [eax], xmm0
movups xmm0, xmmword [edi + 0x10]
movups xmmword [eax + 0x10], xmm0
push dword [esi + 0x20]
push esi
call fcn.005295e0
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.004c3830
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x50be60
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.00432340
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.004c11a0
add esp, 4
cmp eax, 0x72
jne 0x50bfbd
mov esi, dword [esp + 0x20]
mov eax, dword [esp + 0x14]
push ebp
push edi
mov edi, dword [esp + 0x2c]
mov ebp, eax
push edi
push esi
push dword [esp + 0x2c]
and eax, 1
shr ebp, 1
push dword [esp + 0x2c]
add eax, ebp
push eax
push dword [esp + 0x2c]
mov dword [esp + 0x24], eax
call fcn.004f1320
push eax
call fcn.0050bbf0
add esp, 0x1c
test eax, eax
jne 0x50bec2
pop edi
pop ebp
pop esi
pop ecx
ret
push ebx
push 0xf8
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
call fcn.004bcad0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x50bf17
mov eax, dword [esp + 0x1c]
push edi
push ebx
push dword [esp + 0x30]
add eax, ebp
push dword [esp + 0x30]
push dword [esp + 0x20]
push eax
call fcn.004c37e0
push eax
call fcn.0050bbf0
add esp, 0x1c
test eax, eax
jne 0x50bf1f
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004bcbd0
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x50bf9e
cmp edi, 0x20
jb 0x50bf7b
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x50bf3c
cmp ecx, ebx
jae 0x50bf7b
mov ecx, edi
mov ebp, ebx
and ecx, 0xffffffe0
mov eax, esi
sub ebp, esi
nop word [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [eax + ebp - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [ebx + edx + 0x10]
add edx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp edx, ecx
jb 0x50bf50
cmp edx, edi
jae 0x50bf9e
mov ebp, ebx
lea ecx, [edx + esi]
sub ebp, esi
mov esi, edi
sub esi, edx
nop word [eax + eax]
mov al, byte [ecx + ebp]
lea ecx, [ecx + 1]
xor byte [ecx - 1], al
sub esi, 1
jne 0x50bf90
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004bcbd0
add esp, 0x10
mov eax, 1
pop ebx
pop edi
pop ebp
pop esi
pop ecx
ret
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call fcn.0050bbf0
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret