joyce8/EMBER2024-capa huggingface dataset:
Function at 0x54af60
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x6f03ac]
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 0x54afee
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [edi + 0xb0]
push eax
call fcn.004e5be0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [edi + 0x130], eax
mov edx, dword [edi + 0x134]
cmp edx, 4
jge 0x54b021
push str.Received_too_short_packet
push ebx
call fcn.00523480
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.004cdce5
mov esp, ebp
pop ebp
ret
push esi
call fcn.0054ab50
movzx eax, ax
add esp, 4
mov dword [edi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x54b03c
jmp dword [eax*4 + 0x54b17c]
cmp edx, 4
jle case.0x54b03c.4
push esi
call fcn.0054ab30
movzx ecx, word [edi + 0x144]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x54b03c.4
lea eax, [edx - 4]
push eax
mov eax, dword [esi]
add eax, 4
push eax
push 1
push ebx
call fcn.005233c0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x54b09f
push 5
push edi
call fcn.0054b9c0
add esp, 8
mov eax, esi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdce5
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.005313f0
jmp 0x54b147
mov eax, dword [esi]
lea esi, [edx - 4]
add eax, 4
mov dword [ebp - 0x8c], eax
lea eax, [edi + 0x148]
push eax
call fcn.0054ab30
push esi
push dword [ebp - 0x8c]
movzx eax, ax
mov dword [edi + 8], eax
call fcn.0054baf0
add esp, 0xc
cmp eax, esi
jae case.0x54b03c.4
push dword [ebp - 0x8c]
push str.TFTP_error:__s_n
push ebx
call fcn.00523540
jmp 0x54b147
lea eax, [edx - 2]
push eax
mov eax, dword [esi]
add eax, 2
push eax
push edi
call fcn.0054ad10
add esp, 0xc
test eax, eax
je case.0x54b03c.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x683ec8
push ebx
call fcn.00523480
add esp, 0xc
push ebx
call fcn.005316d0
add esp, 4
test eax, eax
je 0x54b00e
push 5
push edi
call fcn.0054b9c0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x54b9c0
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.0x54b9d0
jmp dword [edx*4 + 0x54ba24]
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054b470
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054b190
mov dword [ebp + 8], eax
pop ebp
jmp fcn.0054bc20
push str.TFTP_finished
push 0x67ead8
push ecx
call fcn.00523540
add esp, 0xc
xor eax, eax
pop ebp
ret
push str.Internal_state_machine_error
push 0x683ec8
push ecx
call fcn.00523480
add esp, 0xc
mov eax, 0x47
pop ebp
ret
Function at 0x555000
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 0x555033
push 0x2e
push edi
call fcn.004e7ab0
add esp, 8
test eax, eax
je 0x555031
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x556980
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 [0x6f0dec]
mov edi, eax
add esp, 4
test edi, edi
jne 0x5569ad
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 0x5569f7
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 0x5569fd
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 0x556a5b
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 0x556a20
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x556a87
mov eax, dword [esi + 4]
push 1
push 0x687f00
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x687f01
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x556a60
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x559500
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.00559510

Function at 0x559790
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.005597a0

Function at 0x56c570
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x10], 0
push ebx
mov ebx, dword [ebp + 0x14]
mov eax, dword [ebx - 4]
jle 0x56c5da
mov ecx, dword [ebp + 8]
sub ecx, ebx
push esi
mov dword [ebp + 8], ecx
push edi
nop word [eax + eax]
mov esi, dword [ecx + ebx]
lea ebx, [ebx + 4]
mov ecx, eax
mov edi, esi
and edi, 0xffff00ff
and ecx, 0xffff00ff
add edi, ecx
mov edx, esi
movzx ecx, ax
and edx, 0xff00
add edx, ecx
and eax, 0xff00ffff
mov ecx, dword [ebp + 8]
xor edi, edx
and esi, 0xff00ff00
and edi, 0xff00ff
add eax, esi
xor eax, edi
sub dword [ebp + 0x10], 1
mov dword [ebx - 4], eax
jne 0x56c590
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x56c5e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
cmp dword [ebp + 0x10], 0
jle 0x56c653
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
sub ecx, eax
sub dword [ebp + 0x14], eax
push ebx
push esi
mov dword [ebp + 0xc], ecx
push edi
nop word [eax + eax]
mov ebx, dword [ecx + eax]
lea eax, [eax + 4]
mov esi, dword [eax - 4]
mov ecx, ebx
and ecx, 0xffff00ff
mov edi, esi
and edi, 0xffff00ff
mov edx, esi
add edi, ecx
and edx, 0xff00
movzx ecx, bx
and esi, 0xff00ff00
add edx, ecx
and ebx, 0xff00ffff
mov ecx, dword [ebp + 0x14]
xor edi, edx
and edi, 0xff00ff
add ebx, esi
xor edi, ebx
sub dword [ebp + 0x10], 1
mov dword [ecx + eax - 4], edi
mov ecx, dword [ebp + 0xc]
jne 0x56c600
pop edi
pop esi
pop ebx
pop ebp
ret

Function at 0x56ce50
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor ecx, ecx
push ebx
mov ebx, dword [ebp + 8]
push edi
mov dword [ebp + 8], 0
lea eax, [ebx + eax*4]
mov edi, eax
sub edi, ebx
add edi, 3
shr edi, 2
cmp ebx, eax
cmova edi, ecx
test edi, edi
je 0x56cec4
push esi
mov esi, dword [ebp + 0x10]
nop
mov edx, dword [ebx]
lea esi, [esi + 2]
mov ecx, edx
lea ebx, [ebx + 4]
shr ecx, 0x10
mov eax, edx
shr eax, 0xd
xor cl, al
mov eax, edx
and cl, 7
shr eax, 0x10
xor cl, al
mov eax, edx
mov byte [esi - 2], cl
mov ecx, edx
shr ecx, 5
shr eax, 3
xor cl, al
shr edx, 5
mov eax, dword [ebp + 8]
and cl, 0x1f
xor cl, dl
inc eax
mov byte [esi - 1], cl
mov dword [ebp + 8], eax
cmp eax, edi
jb 0x56ce80
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x56ced0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor ecx, ecx
push ebx
push edi
mov edi, dword [ebp + 8]
mov dword [ebp + 8], 0
lea eax, [edi + eax*4]
mov ebx, eax
sub ebx, edi
add ebx, 3
shr ebx, 2
cmp edi, eax
cmova ebx, ecx
test ebx, ebx
je 0x56cf3b
push esi
mov esi, dword [ebp + 0x10]
nop
mov edx, dword [edi]
lea esi, [esi + 2]
mov ecx, edx
lea edi, [edi + 4]
shr ecx, 0x10
mov eax, edx
shr eax, 0xc
xor cl, al
mov eax, edx
shr eax, 0x10
and cl, 0xf
xor cl, al
mov eax, edx
shr eax, 0x1c
xor al, dl
mov byte [esi - 2], cl
and al, 0xf
xor al, dl
mov byte [esi - 1], al
mov eax, dword [ebp + 8]
inc eax
mov dword [ebp + 8], eax
cmp eax, ebx
jb 0x56cf00
pop esi
pop edi
pop ebx
pop ebp
ret

Function at 0x587cc0
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.0059db00
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.004e7ab0
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x587d77
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.00594ae0
push 0x68cdf4
push esi
push 0x68cdf8
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.00594250
add esp, 0x2c
call fcn.004ee5b0
cmp dword [eax], 2
je 0x587d59
call fcn.004ee5b0
cmp dword [eax], 6
je 0x587d59
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.00594ae0
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.00594ae0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x68cd90
call fcn.005882d0
mov esi, eax
add esp, 4
test esi, esi
jne 0x587d99
push edi
call fcn.004ee4b7
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.00587ea0
push edi
push ebx
push 0x6a
push esi
call fcn.00587ed0
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x592c70
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.004ceab0
mov eax, dword [0x6f03ac]
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 0x592d01
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 0x592d01
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 0x592d01
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 0x592d79
lea eax, [esi + esi]
call fcn.004ce700
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 0x592d67
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 0x592d67
call fcn.004ce700
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 0x592d82
test edi, edi
jne 0x592d86
mov edi, 0x68e530
jmp 0x592d8b
mov edx, edi
mov edi, 0x68e530
jmp 0x592d8b
test edi, edi
je 0x592df8
cmp byte [edi], 0
je 0x592df8
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x592d90
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x592dcc
lea eax, [ecx + 1]
cmp eax, esi
jae 0x592dcc
push esi
push edi
push ebx
call fcn.0059da80
add esp, 0xc
cmp eax, esi
jb 0x592dfb
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x592dfb
push esi
push edi
push ebx
call fcn.0059da80
push esi
push 0x68e534
push ebx
call fcn.0059da20
push esi
push str..rnd
push ebx
call fcn.0059da20
add esp, 0x24
jmp 0x592dfb
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.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x592e20
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.004ceab0
mov eax, dword [0x6f03ac]
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 0x592e65
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
test esi, esi
je 0x592e4e
push 0x68e4dc
push eax
call fcn.0059db00
mov ebx, eax
add esp, 8
mov dword [esp + 0x40], ebx
test ebx, ebx
je 0x592f85
push 0x30
lea eax, [esp + 0x4c]
push 0
push eax
call fcn.004e5a10
add esp, 0xc
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00502967
add esp, 4
push eax
call fcn.00584f83
add esp, 8
test eax, eax
js 0x592f7c
mov eax, 8
call fcn.004ceab0
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.00592a60
add esp, 0x10
test dword [esp + 0x4e], 0x2000
je 0x592f00
mov eax, 0x800
cmp esi, 0xffffffff
push 0
push ebx
cmove esi, eax
call fcn.006529c8
add esp, 8
nop dword [eax]
mov edi, 0x400
test esi, esi
jle 0x592f0e
cmp esi, edi
cmovl edi, esi
push ebx
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.004edf3b
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x592f62
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.004ceab0
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push ebx
push eax
call fcn.00592a60
add dword [esp + 0x54], ebx
add esp, 0x10
mov ebx, dword [esp + 0x40]
test esi, esi
jle 0x592f00
sub esi, edi
test esi, esi
jg 0x592f00
lea eax, [esp + 0x78]
push 0x400
push eax
call fcn.0059d630
mov ebx, dword [esp + 0x48]
add esp, 8
mov edi, dword [esp + 0x44]
push ebx
call fcn.004ee4b7
add esp, 4
mov ecx, dword [esp + 0x47c]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004cdce5
mov esp, ebp
pop ebp
ret
Function at 0x59dd50
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 0x59dd90
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.00594ae0
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x59dec0
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.004ceab0
push esi
push edi
mov edi, dword [esp + 0x38]
xor esi, esi
mov eax, edi
sub eax, esi
je 0x59df08
sub eax, 2
je 0x59df08
sub eax, 0x15
je 0x59df08
push 0x289
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 0x83
push 0x87
push 0x20
call fcn.00594ae0
add esp, 0x14
pop edi
xor eax, eax
pop esi
add esp, 0x20
ret
call fcn.0059dcd0
cmp eax, 1
jne 0x59df00
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 0x59df37
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 0x59df85
push 0x2b5
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 2
push 0x87
push 0x20
call fcn.00594ae0
push edi
call fcn.0059e3b0
push eax
push 1
call fcn.00594250
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 0x59e740
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 0x59e766
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x59e756
pop edi
movzx eax, dl
pop esi
ret
Function at 0x5bac00
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 0x5bac31
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x5bac38
add edx, 4
add esi, 4
sub ecx, 4
jae 0x5bac20
xor edi, edi
cmp ecx, 0xfffffffc
je 0x5bac73
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x5bac73
cmp ecx, 0xfffffffd
je 0x5bac73
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x5bac73
cmp ecx, 0xfffffffe
je 0x5bac73
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x5bac73
cmp ecx, 0xffffffff
je 0x5bac73
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x5bac8e
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.0059e770
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x5bacad
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x5bacad
inc ecx
inc edx
cmp ecx, ebx
jl 0x5baca0
lea edx, [ebx - 1]
test edx, edx
js 0x5bacd1
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x5bacd1
cmp byte [eax], 0xff
jne 0x5bacd1
dec eax
sub edx, 1
jns 0x5bacc0
cmp ecx, edx
jl case.0x5bacfd.2
jle 0x5bace3
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.0x5bacfd.2
movzx eax, byte [eax + 0x5bad70]
jmp dword [eax*4 + 0x5bad50]
mov eax, 7
jmp 0x5bad33
mov eax, 6
jmp 0x5bad33
mov eax, 5
jmp 0x5bad33
mov eax, 4
jmp 0x5bad33
mov eax, 3
jmp 0x5bad33
mov eax, 2
jmp 0x5bad33
mov eax, 1
test dl, dh
jne case.0x5bacfd.2
and bl, dl
cmp bl, dl
jne case.0x5bacfd.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 0x5cfe00
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.00587ea0
add esp, 8
test esi, esi
jg 0x5cfe57
je 0x5cfe39
cmp esi, 0xffffffff
jne 0x5cfe57
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.005d0050
add esp, 4
test eax, eax
je 0x5cfe57
push 0xa
push edi
call fcn.00588600
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x5d4a30
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x5d4a8c
mov eax, dword [esp + 0x10]
test eax, eax
je 0x5d4a7d
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.005b4e40
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x5d4a7d
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.00594ae0
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x5d4a88
cmp dword [esp + 0x18], 0x20
je 0x5d4a8c
push 0x35
jmp 0x5d4a62
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.00587770
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x5d4ac2
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.00594ae0
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x5d4ad9
push dword [esp + 0x1c]
push edi
push esi
call fcn.004e5be0
add esp, 0xc
jmp 0x5d4b85
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.0059eb40
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x5d4b1c
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.00594ae0
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.00587530
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x5d4b6b
push 0x20
push eax
call fcn.00592aa0
add esp, 8
test eax, eax
jg 0x5d4b55
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.0059eb30
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.00587530
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 0x5d4b79
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.005f4010
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.0058e250
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x5d6890
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.004ceab0
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.0058bbc0
add esp, 4
cmp eax, 0x72
jne 0x5d69ed
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.005bbd20
push eax
call fcn.005d6620
add esp, 0x1c
test eax, eax
jne 0x5d68f2
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.00587500
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x5d6947
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.0058e200
push eax
call fcn.005d6620
add esp, 0x1c
test eax, eax
jne 0x5d694f
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.00587600
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x5d69ce
cmp edi, 0x20
jb 0x5d69ab
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x5d696c
cmp ecx, ebx
jae 0x5d69ab
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 0x5d6980
cmp edx, edi
jae 0x5d69ce
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 0x5d69c0
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.00587600
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.005d6620
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret