joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a50d0
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 0x4a5103
push 0x2e
push edi
call fcn.00438090
add esp, 8
test eax, eax
je 0x4a5101
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x4a6a50
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 [0x5fbab4]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4a6a7d
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 0x4a6ac7
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 0x4a6acd
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 0x4a6b2b
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 0x4a6af0
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x4a6b57
mov eax, dword [esi + 4]
push 1
push 0x59e6c8
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x59e6c9
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x4a6b30
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4a95e0
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a95f0

Function at 0x4a9870
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
pop ebp
jmp fcn.004a9880

Function at 0x4b0810
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.004c6660
push 0x62
push esi
mov edi, eax
mov ebx, 1
call fcn.00438090
add esp, 0x10
mov ecx, 0x11
test eax, eax
cmove ebx, ecx
test edi, edi
jne 0x4b08c7
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.004bd630
push 0x5a0fc4
push esi
push 0x5a0fc8
push dword [esp + 0x30]
push str.fopen_
push 5
call fcn.004bcda0
add esp, 0x2c
call fcn.00448876
cmp dword [eax], 2
je 0x4b08a9
call fcn.00448876
cmp dword [eax], 6
je 0x4b08a9
push 0x53
push str.....openssl_1.1.0fcrypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004bd630
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.004bd630
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x5a0f60
call fcn.004b0e20
mov esi, eax
add esp, 4
test esi, esi
jne 0x4b08e9
push edi
call fcn.0044c3a5
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push esi
call fcn.004b09f0
push edi
push ebx
push 0x6a
push esi
call fcn.004b0a20
add esp, 0x18
mov eax, esi
pop edi
pop esi
pop ebx
ret
Function at 0x4bb7c0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x10
call fcn.00421690
mov eax, dword [0x5fb090]
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 0x4bb851
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 0x4bb851
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 0x4bb851
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 0x4bb8c9
lea eax, [esi + esi]
call fcn.00421510
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 0x4bb8b7
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 0x4bb8b7
call fcn.00421510
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 0x4bb8d2
test edi, edi
jne 0x4bb8d6
mov edi, 0x5a2700
jmp 0x4bb8db
mov edx, edi
mov edi, 0x5a2700
jmp 0x4bb8db
test edi, edi
je 0x4bb948
cmp byte [edi], 0
je 0x4bb948
mov ecx, edi
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bb8e0
sub ecx, esi
mov esi, dword [ebp + 0xc]
test edx, edx
je 0x4bb91c
lea eax, [ecx + 1]
cmp eax, esi
jae 0x4bb91c
push esi
push edi
push ebx
call fcn.004c65e0
add esp, 0xc
cmp eax, esi
jb 0x4bb94b
xor eax, eax
lea esp, [ebp - 0x1c]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00420879
mov esp, ebp
pop ebp
ret
lea eax, [ecx + 6]
cmp eax, esi
jae 0x4bb94b
push esi
push edi
push ebx
call fcn.004c65e0
push esi
push 0x5a2704
push ebx
call fcn.004c6580
push esi
push str..rnd
push ebx
call fcn.004c6580
add esp, 0x24
jmp 0x4bb94b
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.00420879
mov esp, ebp
pop ebp
ret
Function at 0x4bb970
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.00421690
mov eax, dword [0x5fb090]
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 0x4bb9b5
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.00420879
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
test esi, esi
je 0x4bb99e
push 0x5a26ac
push eax
call fcn.004c6660
mov ebx, eax
add esp, 8
mov dword [esp + 0x40], ebx
test ebx, ebx
je 0x4bbad5
push 0x30
lea eax, [esp + 0x4c]
push 0
push eax
call fcn.00438740
add esp, 0xc
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.00452864
add esp, 4
push eax
call fcn.004ad72b
add esp, 8
test eax, eax
js 0x4bbacc
mov eax, 8
call fcn.00421690
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.004bb5b0
add esp, 0x10
test dword [esp + 0x4e], 0x2000
je 0x4bba50
mov eax, 0x800
cmp esi, 0xffffffff
push 0
push ebx
cmove esi, eax
call fcn.0057b528
add esp, 8
nop dword [eax]
mov edi, 0x400
test esi, esi
jle 0x4bba5e
cmp esi, edi
cmovl edi, esi
push ebx
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.0044d491
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4bbab2
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.00421690
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push ebx
push eax
call fcn.004bb5b0
add dword [esp + 0x54], ebx
add esp, 0x10
mov ebx, dword [esp + 0x40]
test esi, esi
jle 0x4bba50
sub esi, edi
test esi, esi
jg 0x4bba50
lea eax, [esp + 0x78]
push 0x400
push eax
call fcn.004c6190
mov ebx, dword [esp + 0x48]
add esp, 8
mov edi, dword [esp + 0x44]
push ebx
call fcn.0044c3a5
add esp, 4
mov ecx, dword [esp + 0x47c]
mov eax, edi
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.00420879
mov esp, ebp
pop ebp
ret
Function at 0x4c68b0
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 0x4c68f0
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.004bd630
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x4c6a20
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x20
call fcn.00421690
push esi
push edi
mov edi, dword [esp + 0x38]
xor esi, esi
mov eax, edi
sub eax, esi
je 0x4c6a68
sub eax, 2
je 0x4c6a68
sub eax, 0x15
je 0x4c6a68
push 0x289
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 0x83
push 0x87
push 0x20
call fcn.004bd630
add esp, 0x14
pop edi
xor eax, eax
pop esi
add esp, 0x20
ret
call fcn.004c6830
cmp eax, 1
jne 0x4c6a60
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 0x4c6a97
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 0x4c6ae5
push 0x2b5
push str.....openssl_1.1.0fcrypto_bio_b_addr.c
push 2
push 0x87
push 0x20
call fcn.004bd630
push edi
call fcn.004c6f10
push eax
push 1
call fcn.004bcda0
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 0x4c72a0
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 0x4c72c6
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4c72b6
pop edi
movzx eax, dl
pop esi
ret
Function at 0x4e3760
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 0x4e3791
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x4e3798
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4e3780
xor edi, edi
cmp ecx, 0xfffffffc
je 0x4e37d3
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x4e37d3
cmp ecx, 0xfffffffd
je 0x4e37d3
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x4e37d3
cmp ecx, 0xfffffffe
je 0x4e37d3
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x4e37d3
cmp ecx, 0xffffffff
je 0x4e37d3
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x4e37ee
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.004c72d0
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x4e380d
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x4e380d
inc ecx
inc edx
cmp ecx, ebx
jl 0x4e3800
lea edx, [ebx - 1]
test edx, edx
js 0x4e3831
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x4e3831
cmp byte [eax], 0xff
jne 0x4e3831
dec eax
sub edx, 1
jns 0x4e3820
cmp ecx, edx
jl case.0x4e385d.2
jle 0x4e3843
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.0x4e385d.2
movzx eax, byte [eax + 0x4e38d0]
jmp dword [eax*4 + 0x4e38b0]
mov eax, 7
jmp 0x4e3893
mov eax, 6
jmp 0x4e3893
mov eax, 5
jmp 0x4e3893
mov eax, 4
jmp 0x4e3893
mov eax, 3
jmp 0x4e3893
mov eax, 2
jmp 0x4e3893
mov eax, 1
test dl, dh
jne case.0x4e385d.2
and bl, dl
cmp bl, dl
jne case.0x4e385d.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 0x4f8940
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.004b09f0
add esp, 8
test esi, esi
jg 0x4f8997
je 0x4f8979
cmp esi, 0xffffffff
jne 0x4f8997
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004f8b90
add esp, 4
test eax, eax
je 0x4f8997
push 0xa
push edi
call fcn.004b1150
add esp, 8
pop edi
mov eax, esi
pop esi
ret

Function at 0x4fd570
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
cmp ebx, 2
je 0x4fd5cc
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4fd5bd
push eax
push 0
lea eax, [esp + 0x24]
push eax
push 0
call fcn.004dd9a0
add esp, 0x10
cmp dword [esp + 0x1c], 0xffffffff
je 0x4fd5bd
push 0x2f
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x66
push 0x10a
push 0x10
call fcn.004bd630
add esp, 0x14
xor eax, eax
pop edi
pop ebx
ret
test edi, edi
je 0x4fd5c8
cmp dword [esp + 0x18], 0x20
je 0x4fd5cc
push 0x35
jmp 0x4fd5a2
push esi
push 0x3a
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x24
call fcn.004b02c0
mov esi, eax
add esp, 0xc
test esi, esi
jne 0x4fd602
push 0x3c
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004bd630
add esp, 0x14
xor eax, eax
pop esi
pop edi
pop ebx
ret
test ebx, ebx
jne 0x4fd619
push dword [esp + 0x1c]
push edi
push esi
call fcn.00438910
add esp, 0xc
jmp 0x4fd6c5
push 0x43
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x20
call fcn.004c76a0
add esp, 0xc
mov dword [esi + 0x20], eax
test eax, eax
jne 0x4fd65c
push 0x45
push str.....openssl_1.1.0fcryptoececx_meth.c
push 0x41
push 0x10a
push 0x10
call fcn.004bd630
push 0x46
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004b0080
add esp, 0x20
xor eax, eax
pop esi
pop edi
pop ebx
ret
cmp ebx, 2
jne 0x4fd6ab
push 0x20
push eax
call fcn.004bb5f0
add esp, 8
test eax, eax
jg 0x4fd695
push 0x4b
push str.....openssl_1.1.0fcryptoececx_meth.c
push dword [esi + 0x20]
call fcn.004c7690
push 0x4c
push str.....openssl_1.1.0fcryptoececx_meth.c
push esi
call fcn.004b0080
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 0x4fd6b9
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.0051cb60
add esp, 8
push esi
push 0x40a
push dword [esp + 0x18]
call fcn.004b6da0
add esp, 0xc
mov eax, 1
pop esi
pop edi
pop ebx
ret
Function at 0x4ff3d0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.00421690
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.004b4710
add esp, 4
cmp eax, 0x72
jne 0x4ff52d
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.004e4880
push eax
call fcn.004ff160
add esp, 0x1c
test eax, eax
jne 0x4ff432
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.004b0050
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x4ff487
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.004b6d50
push eax
call fcn.004ff160
add esp, 0x1c
test eax, eax
jne 0x4ff48f
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004b0150
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x4ff50e
cmp edi, 0x20
jb 0x4ff4eb
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x4ff4ac
cmp ecx, ebx
jae 0x4ff4eb
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 0x4ff4c0
cmp edx, edi
jae 0x4ff50e
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 0x4ff500
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.004b0150
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.004ff160
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret
Function at 0x5106c0
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x5107ac
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x51073d
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 0x510791
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x510751
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 0x51077b
lea eax, [esi + 0x3c]
jmp 0x510788
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 0x5106e0
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 0x510bd0
Capabilities:
Generate random numbers via winapi
Get memory capacity

Disassembly:
mov eax, 0x6c
call fcn.00421690
mov eax, dword [0x5fb090]
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 0x510c46
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x510c3a
mov eax, 8
call fcn.00421690
movsd xmm0, qword [0x5c52b0]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004bb5b0
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 0x510caa
lea eax, [esp + 0x28]
push eax
push 0x40
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
test eax, eax
je 0x510c9e
mov eax, 8
call fcn.00421690
movsd xmm0, qword [0x5c52b0]
lea eax, [esp + 0x30]
movsd qword [esp], xmm0
push 0x40
push eax
call fcn.004bb5b0
add esp, 0x10
push 0
push dword [esp + 4]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
call fcn.00510d30
lea eax, [esp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GlobalMemoryStatus]
mov eax, 8
call fcn.00421690
movsd xmm0, qword [0x5f0160]
lea eax, [esp + 0x10]
movsd qword [esp], xmm0
push 0x20
push eax
call fcn.004bb5b0
add esp, 0x10
call dword [sym.imp.KERNEL32.dll_GetCurrentProcessId]
mov dword [esp + 4], eax
mov eax, 8
call fcn.00421690
movsd xmm0, qword [0x5f0160]
lea eax, [esp + 0xc]
movsd qword [esp], xmm0
push 4
push eax
call fcn.004bb5b0
mov ecx, dword [esp + 0x78]
add esp, 0x10
xor ecx, esp
mov eax, 1
call fcn.00420879
add esp, 0x6c
ret
Function at 0x5118f0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.00421690
mov eax, dword [0x5fb090]
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 0x511956
cmp edi, dword [esi]
je 0x51194d
test ebp, ebp
je 0x5119d0
test ebx, ebx
js 0x5119d0
mov eax, 1
mov dword [esi], edi
jmp 0x51195c
mov edi, dword [esi]
test edi, edi
je 0x5119d0
test ebp, ebp
je 0x511aea
push edi
call fcn.004ba200
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x511990
push 0x28
push str.....openssl_1.1.0fcryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.004c72d0
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x5119eb
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.004b6660
add esp, 0xc
test eax, eax
je 0x5119d0
push ebx
push ebp
push dword [esi + 4]
call fcn.004b6810
add esp, 0xc
test eax, eax
je 0x5119d0
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.004b65c0
add esp, 0xc
test eax, eax
jne 0x511a07
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00420879
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x5119d0
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.00438910
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x511a2a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.00438740
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 0x511a30
push edx
push edi
push dword [esi + 8]
call fcn.004b6660
add esp, 0xc
test eax, eax
je 0x5119d0
push edi
call fcn.004ba200
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.004b6810
add esp, 0x10
test eax, eax
je 0x5119d0
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 0x511a80
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.004b6660
add esp, 0xc
test eax, eax
je 0x5119d0
push edi
call fcn.004ba200
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.004b6810
add esp, 0x10
test eax, eax
je 0x5119d0
push dword [esi + 8]
push dword [esi + 4]
call fcn.004b6840
add esp, 8
test eax, eax
je 0x5119d0
mov eax, 1
jmp 0x5119d2
test eax, eax
je 0x511aca
jmp 0x511a2e