joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4b96d0
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.004cf520
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.004473d0
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x4b9787
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.004c64f0
push 0x5a8590
push esi
push 0x5a8594
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.004c5c60
add esp, 0x2c
call fcn.0044d48b
cmp dword [eax], 2
je 0x4b9769
call fcn.0044d48b
cmp dword [eax], 6
je 0x4b9769
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004c64f0
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.004c64f0
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x5a852c
call fcn.004b9ce0
mov esi, eax
add esp, 4
test esi, esi
jne 0x4b97a9
push edi
call fcn.00459b42
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.004b98b0
push edi
push ebx
push 0x6a
push esi
call fcn.004b98e0
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x4c4680
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.0042dc00
mov eax, dword [0x6041f8]
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 0x4c4711
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 0x4c4711
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 0x4c4711
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 0x4c4789
lea eax, [esi + esi]
call fcn.0042db10
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 0x4c4777
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 0x4c4777
call fcn.0042db10
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 0x4c4792
test edi, edi
jne 0x4c4796
mov edi, 0x5a9c74
jmp 0x4c479b
mov edx, edi
mov edi, 0x5a9c74
jmp 0x4c479b
test edi, edi
je 0x4c4808
cmp byte [edi], 0
je 0x4c4808
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c47a0
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x4c47dc
lea eax, [ecx + 1]
cmp eax, esi
jae 0x4c47dc
push esi
push edi
push ebx
call fcn.004cf4a0
add esp, 0xc
cmp eax, esi
jb 0x4c480b
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x4c480b
push esi
push edi
push ebx
call fcn.004cf4a0
push esi
push 0x59324c
push ebx
call fcn.004cf440
push esi
push str..rnd
push ebx
call fcn.004cf440
add esp, 0x24
jmp 0x4c480b
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.0042d205
mov esp, ebp
pop ebp
ret
Function at 0x4c4830
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.0042dc00
mov eax, dword [0x6041f8]
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 0x4c4875
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
test esi, esi
je 0x4c485e
push 0x58f1d8
push eax
call fcn.004cf520
mov ebx, eax
add esp, 8
mov dword [esp + 0x40], ebx
test ebx, ebx
je 0x4c4995
push 0x30
lea eax, [esp + 0x4c]
push 0
push eax
call fcn.00444fb0
add esp, 0xc
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00462dfe
add esp, 4
push eax
call fcn.004b7699
add esp, 8
test eax, eax
js 0x4c498c
mov eax, 8
call fcn.0042dc00
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.004c4470
add esp, 0x10
test dword [esp + 0x4e], 0x2000
je 0x4c4910
mov eax, 0x800
cmp esi, 0xffffffff
push 0
push ebx
cmove esi, eax
call fcn.005843f8
add esp, 8
nop dword [eax]
mov edi, 0x400
test esi, esi
jle 0x4c491e
cmp esi, edi
cmovl edi, esi
push ebx
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.0045add5
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4c4972
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.0042dc00
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push ebx
push eax
call fcn.004c4470
add dword [esp + 0x54], ebx
add esp, 0x10
mov ebx, dword [esp + 0x40]
test esi, esi
jle 0x4c4910
sub esi, edi
test esi, esi
jg 0x4c4910
lea eax, [esp + 0x78]
push 0x400
push eax
call fcn.004cf050
mov ebx, dword [esp + 0x48]
add esp, 8
mov edi, dword [esp + 0x44]
push ebx
call fcn.00459b42
add esp, 4
mov ecx, dword [esp + 0x47c]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0042d205
mov esp, ebp
pop ebp
ret
Function at 0x4cf770
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 0x4cf7b0
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.004c64f0
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x4cf8e0
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.0042dc00
push esi
push edi
mov edi, dword [esp + 0x38]
xor esi, esi
mov eax, edi
sub eax, esi
je 0x4cf928
sub eax, 2
je 0x4cf928
sub eax, 0x15
je 0x4cf928
push 0x289
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 0x83
push 0x87
push 0x20
call fcn.004c64f0
add esp, 0x14
pop edi
xor eax, eax
pop esi
add esp, 0x20
ret
call fcn.004cf6f0
cmp eax, 1
jne 0x4cf920
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 0x4cf957
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 0x4cf9a5
push 0x2b5
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 2
push 0x87
push 0x20
call fcn.004c64f0
push edi
call fcn.004cfdd0
push eax
push 1
call fcn.004c5c60
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 0x4d0160
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 0x4d0186
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4d0176
pop edi
movzx eax, dl
pop esi
ret
Function at 0x4ec620
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 0x4ec651
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x4ec658
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4ec640
xor edi, edi
cmp ecx, 0xfffffffc
je 0x4ec693
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x4ec693
cmp ecx, 0xfffffffd
je 0x4ec693
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x4ec693
cmp ecx, 0xfffffffe
je 0x4ec693
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x4ec693
cmp ecx, 0xffffffff
je 0x4ec693
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x4ec6ae
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.004d0190
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x4ec6cd
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x4ec6cd
inc ecx
inc edx
cmp ecx, ebx
jl 0x4ec6c0
lea edx, [ebx - 1]
test edx, edx
js 0x4ec6f1
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x4ec6f1
cmp byte [eax], 0xff
jne 0x4ec6f1
dec eax
sub edx, 1
jns 0x4ec6e0
cmp ecx, edx
jl case.0x4ec71d.2
jle 0x4ec703
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.0x4ec71d.2
movzx eax, byte [eax + 0x4ec790]
jmp dword [eax*4 + 0x4ec770]
mov eax, 7
jmp 0x4ec753
mov eax, 6
jmp 0x4ec753
mov eax, 5
jmp 0x4ec753
mov eax, 4
jmp 0x4ec753
mov eax, 3
jmp 0x4ec753
mov eax, 2
jmp 0x4ec753
mov eax, 1
test dl, dh
jne case.0x4ec71d.2
and bl, dl
cmp bl, dl
jne case.0x4ec71d.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 0x501800
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.004b98b0
add esp, 8
test esi, esi
jg 0x501857
je 0x501839
cmp esi, 0xffffffff
jne 0x501857
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00501a50
add esp, 4
test eax, eax
je 0x501857
push 0xa
push edi
call fcn.004ba010
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x506430
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x50648c
mov eax, dword [esp + 0x10]
test eax, eax
je 0x50647d
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.004e6860
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x50647d
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.004c64f0
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x506488
cmp dword [esp + 0x18], 0x20
je 0x50648c
push 0x35
jmp 0x506462
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.004b9180
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x5064c2
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004c64f0
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x5064d9
push dword [esp + 0x1c]
push edi
push esi
call fcn.00445180
add esp, 0xc
jmp 0x506585
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.004d0560
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x50651c
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004c64f0
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004b8f40
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x50656b
push 0x20
push eax
call fcn.004c44b0
add esp, 8
test eax, eax
jg 0x506555
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.004d0550
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004b8f40
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 0x506579
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.00525a20
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.004bfc60
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x508290
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.0042dc00
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.004bd5d0
add esp, 4
cmp eax, 0x72
jne 0x5083ed
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.004ed740
push eax
call fcn.00508020
add esp, 0x1c
test eax, eax
jne 0x5082f2
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.004b8f10
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x508347
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.004bfc10
push eax
call fcn.00508020
add esp, 0x1c
test eax, eax
jne 0x50834f
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004b9010
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x5083ce
cmp edi, 0x20
jb 0x5083ab
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x50836c
cmp ecx, ebx
jae 0x5083ab
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 0x508380
cmp edx, edi
jae 0x5083ce
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 0x5083c0
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004b9010
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.00508020
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret
Function at 0x519570
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x51965c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x5195ed
movzx ecx, byte [edi - 1]
movzx eax, byte [edi]
shl ecx, 8
or ecx, eax
movzx eax, byte [edi + 1]
shl ecx, 8
or ecx, eax
mov eax, ecx
shr eax, 0x12
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
mov eax, ecx
shr eax, 0xc
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], al
mov eax, ecx
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
and ecx, 0x3f
movzx eax, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], al
jmp 0x519641
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x519601
movzx ecx, byte [edi]
shl ecx, 8
or eax, ecx
mov ecx, eax
shr ecx, 0x12
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx], cl
mov ecx, eax
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 1], cl
cmp esi, 1
jne 0x51962b
lea eax, [esi + 0x3c]
jmp 0x519638
shr eax, 6
and eax, 0x3f
movzx eax, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov byte [edx + 2], al
add edx, 3
mov byte [edx], 0x3d
sub esi, 3
add ebx, 4
add edi, 3
inc edx
test esi, esi
jg 0x519590
pop edi
pop esi
mov eax, ebx
mov byte [edx], 0
pop ebx
ret
mov eax, dword [esp + 0xc]
pop esi
mov byte [eax], bl
mov eax, ebx
pop ebx
ret
Function at 0x519a80
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
mov eax, 0x6c
call fcn.0042dc00
mov eax, dword [0x6041f8]
xor eax, esp
mov dword [esp + 0x68], eax
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x519af6
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x519aea
mov eax, 8
call fcn.0042dc00
movsd xmm0, qword [0x5cc7b8]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004c4470
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
push 0xf0000040
push 0x16
push str.Intel_Hardware_Cryptographic_Service_Provider
push 0
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextW]
test eax, eax
je 0x519b5a
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x519b4e
mov eax, 8
call fcn.0042dc00
movsd xmm0, qword [0x5cc7b8]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004c4470
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
call fcn.00519be0
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.0042dc00
movsd xmm0, qword [0x593098]
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.004c4470
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 4], eax
mov eax, 8
call fcn.0042dc00
movsd xmm0, qword [0x593098]
lea eax, [esp + 0xc]
movsd qword [esp], xmm0
push 4
push eax
call fcn.004c4470
mov ecx, dword [esp + 0x78]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.0042d205
add esp, 0x6c
ret
Function at 0x51a7a0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.0042dc00
mov eax, dword [0x6041f8]
xor eax, esp
mov dword [esp + 0x88], eax
mov edx, dword [esp + 0xa0]
xor eax, eax
push ebx
mov ebx, dword [esp + 0x9c]
push ebp
mov ebp, dword [esp + 0x9c]
push esi
mov esi, dword [esp + 0x9c]
push edi
mov edi, dword [esp + 0xac]
mov dword [esp + 0x10], edx
test edi, edi
je 0x51a806
cmp edi, dword [esi]
je 0x51a7fd
test ebp, ebp
je 0x51a880
test ebx, ebx
js 0x51a880
mov eax, 1
mov dword [esi], edi
jmp 0x51a80c
mov edi, dword [esi]
test edi, edi
je 0x51a880
test ebp, ebp
je 0x51a99a
push edi
call fcn.004c30c0
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x51a840
push 0x28
push str.....openssl_1.1.0fcryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.004d0190
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x51a89b
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.004bf520
add esp, 0xc
test eax, eax
je 0x51a880
push ebx
push ebp
push dword [esi + 4]
call fcn.004bf6d0
add esp, 0xc
test eax, eax
je 0x51a880
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004bf480
add esp, 0xc
test eax, eax
jne 0x51a8b7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042d205
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x51a880
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.00445180
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x51a8da
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.00444fb0
add esp, 0xc
mov edx, 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, 0x80
jl 0x51a8e0
push edx
push edi
push dword [esi + 8]
call fcn.004bf520
add esp, 0xc
test eax, eax
je 0x51a880
push edi
call fcn.004c30c0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.004bf6d0
add esp, 0x10
test eax, eax
je 0x51a880
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, 0x80
jl 0x51a930
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.004bf520
add esp, 0xc
test eax, eax
je 0x51a880
push edi
call fcn.004c30c0
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.004bf6d0
add esp, 0x10
test eax, eax
je 0x51a880
push dword [esi + 8]
push dword [esi + 4]
call fcn.004bf700
add esp, 8
test eax, eax
je 0x51a880
mov eax, 1
jmp 0x51a882
test eax, eax
je 0x51a97a
jmp 0x51a8de
Function at 0x525a20
Capabilities:
Encrypt data using curve25519

Disassembly:
mov eax, 0x11c
call fcn.0042dc00
mov eax, dword [0x6041f8]
xor eax, esp
mov dword [esp + 0x118], eax
mov eax, dword [esp + 0x124]
push esi
mov esi, dword [esp + 0x124]
movups xmm0, xmmword [eax]
movups xmm1, xmmword [eax + 0x10]
movd eax, xmm0
movups xmmword [esp + 0xdc], xmm1
and al, 0xf8
psrldq xmm1, 0xc
movups xmmword [esp + 0xcc], xmm0
mov byte [esp + 0xcc], al
movd eax, xmm1
shr eax, 0x18
and al, 0x3f
or al, 0x40
mov byte [esp + 0xeb], al
lea eax, [esp + 0xcc]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.005284f0
mov ecx, dword [esp + 0x5c]
mov edx, dword [esp + 0x84]
lea eax, [ecx + edx]
sub edx, ecx
mov ecx, dword [esp + 0x60]
mov dword [esp + 0xfc], edx
mov edx, dword [esp + 0x88]
mov dword [esp + 0xd4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x64]
mov dword [esp + 0x100], edx
mov edx, dword [esp + 0x8c]
mov dword [esp + 0xd8], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x68]
mov dword [esp + 0x104], edx
mov edx, dword [esp + 0x90]
mov dword [esp + 0xdc], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x6c]
mov dword [esp + 0x108], edx
mov edx, dword [esp + 0x94]
mov dword [esp + 0xe0], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x70]
mov dword [esp + 0x10c], edx
mov edx, dword [esp + 0x98]
mov dword [esp + 0xe4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x74]
mov dword [esp + 0x110], edx
mov edx, dword [esp + 0x9c]
mov dword [esp + 0xe8], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x78]
mov dword [esp + 0x114], edx
mov edx, dword [esp + 0xa0]
mov dword [esp + 0xec], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x7c]
mov dword [esp + 0x118], edx
mov edx, dword [esp + 0xa4]
mov dword [esp + 0xf0], eax
lea eax, [edx + ecx]
sub edx, ecx
mov ecx, dword [esp + 0x80]
mov dword [esp + 0x11c], edx
mov edx, dword [esp + 0xa8]
mov dword [esp + 0xf4], eax
lea eax, [edx + ecx]
sub edx, ecx
mov dword [esp + 0xf8], eax
mov dword [esp + 0x120], edx
lea eax, [esp + 0xfc]
push eax
lea eax, [esp + 0x10]
push eax
call fcn.005261c0
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0xe0]
push eax
push eax
call fcn.00526440
lea eax, [esp + 0xe8]
push eax
push esi
call fcn.00527ca0
mov ecx, dword [esp + 0x140]
add esp, 0x24
pop esi
xor ecx, esp
call fcn.0042d205
add esp, 0x11c
ret