joyce8/EMBER2024-capa huggingface dataset:
Function at 0x472a40
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.00449370
push esi
mov esi, dword [esp + 0xc]
push esi
call fcn.0046e170
add esp, 4
cmp eax, 0x72
jne 0x472b9d
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.00463dc0
push eax
call fcn.004727d0
add esp, 0x1c
test eax, eax
jne 0x472aa2
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.0044b080
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x472af7
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.0044c9e0
push eax
call fcn.004727d0
add esp, 0x1c
test eax, eax
jne 0x472aff
push 0xfd
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044b180
add esp, 0x10
pop ebx
pop edi
pop ebp
xor eax, eax
pop esi
pop ecx
ret
xor edx, edx
test edi, edi
je 0x472b7e
cmp edi, 0x20
jb 0x472b5b
lea eax, [edi - 1]
lea ecx, [esi - 1]
add eax, ebx
add ecx, edi
cmp esi, eax
ja 0x472b1c
cmp ecx, ebx
jae 0x472b5b
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 0x472b30
cmp edx, edi
jae 0x472b7e
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 0x472b70
push 0x102
push str.....openssl_1.1.0fcryptokdf_tls1_prf.c
push edi
push ebx
call fcn.0044b180
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.004727d0
add esp, 0x1c
neg eax
sbb eax, eax
neg eax
pop esi
pop ecx
ret

Function at 0x473440
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.0044ee30
add esp, 8
test esi, esi
jg 0x473497
je 0x473479
cmp esi, 0xffffffff
jne 0x473497
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00473680
add esp, 4
test eax, eax
je 0x473497
push 0xa
push edi
call fcn.0044f500
add esp, 8
pop edi
mov eax, esi
pop esi
ret
Function at 0x47d1b0
Capabilities:
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x2c
call fcn.00449370
mov eax, dword [0x5db100]
xor eax, esp
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x34]
mov dword [esp], eax
mov eax, dword [esp + 0x3c]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x40]
mov dword [esp + 0x18], eax
push ebx
push ebp
movzx ebx, byte [eax]
lea ebp, [eax + 1]
mov edx, ebp
shl ebx, 0x18
push esi
push edi
mov edi, dword [esp + 0x54]
movzx eax, byte [edx]
movzx ecx, byte [edx + 3]
shl eax, 0x10
or ebx, eax
shl ecx, 0x18
movzx eax, byte [edx + 1]
shl eax, 8
or ebx, eax
mov esi, dword [edi]
movzx eax, byte [edx + 2]
or ebx, eax
mov dword [esp + 0x1c], edi
movzx eax, byte [edx + 4]
shl eax, 0x10
or ecx, eax
mov dword [esp + 0x24], ebp
movzx eax, byte [edx + 6]
mov dword [esp + 0x14], ecx
movzx ecx, byte [edx + 5]
mov edx, dword [esp + 0x14]
shl ecx, 8
or ecx, eax
mov dword [esp + 0x14], ebx
mov eax, ebx
mov byte [esp + 0x2f], bl
shr eax, 0x18
or edx, ecx
mov byte [esp + 0x2c], al
mov eax, ebx
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x32], al
mov eax, dword [esp + 0x48]
mov dword [esp + 0x18], edx
mov byte [esp + 0x33], dl
test eax, eax
je 0x47d375
mov ecx, dword [esp + 0x10]
mov edi, dword [esp + 0x40]
sub ecx, edi
mov dword [esp + 0x10], ecx
xor ebp, ebp
nop dword [eax]
dec eax
mov dword [esp + 0x48], eax
test esi, esi
jne 0x47d305
push dword [esp + 0x20]
lea eax, [esp + 0x18]
push eax
call fcn.0047cbc0
mov ebx, dword [esp + 0x1c]
add esp, 8
mov edx, dword [esp + 0x18]
mov eax, ebx
shr eax, 0x18
mov byte [esp + 0x2c], al
mov eax, ebx
mov ecx, dword [esp + 0x10]
shr eax, 0x10
mov byte [esp + 0x2d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x2e], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 0x30], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x31], al
mov eax, edx
shr eax, 8
inc ebp
mov byte [esp + 0x2f], bl
mov byte [esp + 0x32], al
mov byte [esp + 0x33], dl
mov al, byte [esp + esi + 0x2c]
inc esi
xor al, byte [edi]
and esi, 7
mov byte [ecx + edi], al
inc edi
mov eax, dword [esp + 0x48]
test eax, eax
jne 0x47d2a0
test ebp, ebp
mov ebp, dword [esp + 0x24]
je 0x47d35c
mov ecx, dword [esp + 0x28]
mov eax, ebx
shr eax, 0x18
mov byte [ecx], al
mov eax, ebx
shr eax, 0x10
mov byte [ebp], al
mov eax, ebx
shr eax, 8
mov byte [ebp + 1], al
mov eax, edx
shr eax, 0x18
mov byte [ebp + 2], bl
mov byte [ebp + 3], al
mov eax, edx
shr eax, 0x10
mov byte [ebp + 4], al
mov eax, edx
shr eax, 8
mov byte [ebp + 5], al
mov byte [ebp + 6], dl
mov eax, dword [esp + 0x1c]
pop edi
mov dword [eax], esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x28]
xor ecx, esp
call fcn.00448b50
add esp, 0x2c
ret
mov ecx, dword [esp + 0x38]
mov dword [edi], esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00448b50
add esp, 0x2c
ret
Function at 0x47fcd0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.00449370
mov ecx, dword [esp + 0xc]
push ebx
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x20]
push edi
mov edi, dword [esp + 0x34]
mov dword [esp + 0x10], ecx
mov edi, dword [edi]
mov dword [esp + 0x14], edi
test edi, edi
je 0x47fd1d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x47fd1d
mov al, byte [edi + edx]
dec esi
xor al, byte [ecx]
inc edi
mov byte [ebp], al
inc ecx
inc ebp
mov dword [esp + 0x10], ecx
and edi, 0xf
mov dword [esp + 0x14], edi
jne 0x47fd00
mov ebx, dword [esp + 0x2c]
movzx edx, byte [ebx + 0xc]
movzx eax, byte [ebx + 0xd]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [ebx + 0xf]
shl edx, 8
or edx, eax
mov dword [esp + 0x24], edx
cmp esi, 0x10
jb 0x47fdd7
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x47fd67
sub ebx, edx
xor edx, edx
mov dword [esp + 0x24], edx
push edi
push dword [esp + 0x2c]
push ebx
push ebp
push ecx
call dword [esp + 0x4c]
mov edx, dword [esp + 0x38]
add esp, 0x14
mov eax, edx
mov byte [edi + 0xf], dl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, edx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, edx
shr eax, 8
mov byte [edi + 0xe], al
test edx, edx
jne 0x47fdb9
mov edx, 0xc
mov ecx, 1
movzx eax, byte [edx + edi - 1]
dec edx
add ecx, eax
mov byte [edx + edi], cl
shr ecx, 8
test edx, edx
jne 0x47fda3
mov edx, dword [esp + 0x24]
mov ecx, dword [esp + 0x10]
shl ebx, 4
sub esi, ebx
add ecx, ebx
add ebp, ebx
mov dword [esp + 0x10], ecx
cmp esi, 0x10
jae 0x47fd50
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x47fe45
mov eax, dword [esp + 0x30]
xorps xmm0, xmm0
push ebx
push dword [esp + 0x2c]
push 1
push eax
push eax
movups xmmword [eax], xmm0
call dword [esp + 0x4c]
mov ecx, dword [esp + 0x38]
add esp, 0x14
inc ecx
mov eax, ecx
mov byte [ebx + 0xf], cl
shr eax, 0x18
mov byte [ebx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [ebx + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [ebx + 0xe], al
test ecx, ecx
jne 0x47fe22
push ebx
call fcn.0047fe90
add esp, 4
mov eax, dword [esp + 0x30]
sub ebp, eax
mov edx, dword [esp + 0x10]
sub edx, eax
lea ecx, [edi + eax]
add edi, esi
mov al, byte [edx + ecx]
lea ecx, [ecx + 1]
xor al, byte [ecx - 1]
mov byte [ecx + ebp - 1], al
sub esi, 1
jne 0x47fe33
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4804a0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
mov eax, dword [ebx + 0x38]
or eax, dword [ebx + 0x3c]
je 0x4804b4
mov eax, 0xfffffffe
pop ebx
ret
push esi
mov esi, dword [esp + 0x14]
xor ecx, ecx
mov eax, esi
add eax, dword [ebx + 0x30]
adc ecx, dword [ebx + 0x34]
cmp ecx, 0x20000000
ja 0x480569
jb 0x4804d9
test eax, eax
jne 0x480569
push ebp
mov ebp, dword [esp + 0x14]
push edi
mov edi, dword [ebx + 0x16c]
mov dword [ebx + 0x30], eax
mov dword [ebx + 0x34], ecx
test edi, edi
je 0x480519
nop
test esi, esi
je 0x480505
mov al, byte [ebp]
dec esi
xor byte [edi + ebx + 0x40], al
inc ebp
inc edi
and edi, 0xf
jne 0x4804f0
jmp 0x480509
test edi, edi
jne 0x48055c
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.004817c0
add esp, 8
mov eax, esi
and eax, 0xfffffff0
mov dword [esp + 0x14], eax
je 0x48053e
push eax
push ebp
lea eax, [ebx + 0x60]
push eax
lea eax, [ebx + 0x40]
push eax
call fcn.00481580
add ebp, dword [esp + 0x24]
add esp, 0x10
sub esi, dword [esp + 0x14]
test esi, esi
je 0x48055c
xor ecx, ecx
mov edi, esi
test esi, esi
je 0x48055c
nop word [eax + eax]
mov al, byte [ecx + ebp]
xor byte [ebx + ecx + 0x40], al
inc ecx
cmp ecx, esi
jb 0x480550
mov dword [ebx + 0x16c], edi
xor eax, eax
pop edi
pop ebp
pop esi
pop ebx
ret
pop esi
or eax, 0xffffffff
pop ebx
ret
Function at 0x4817c0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x14
call fcn.00449370
mov eax, dword [esp + 0x18]
push ebx
push ebp
push esi
movzx ecx, byte [eax + 0xf]
mov esi, dword [esp + 0x28]
mov ebp, ecx
and ecx, 0xf
mov dword [esp + 0x24], 0
add ecx, ecx
and ebp, 0xfffffff0
push edi
mov ebx, dword [esi + ecx*8]
mov edi, dword [esi + ecx*8 + 4]
mov edx, dword [esi + ecx*8 + 8]
mov ecx, dword [esi + ecx*8 + 0xc]
mov esi, edx
shrd edx, ecx, 4
and esi, 0xf
mov dword [esp + 0x14], ebx
or dword [esp + 0x28], edx
shl dword [esp + 0x14], 0x1c
shrd ebx, edi, 4
mov edx, dword [esi*4 + 0x5977f8]
mov esi, dword [esp + 0x2c]
shr ecx, 4
or dword [esp + 0x14], ecx
xor ecx, ecx
shr edi, 4
xor ecx, ebx
xor ecx, dword [esi + ebp]
xor edx, edi
xor edx, dword [esi + ebp + 4]
mov edi, dword [esp + 0x28]
mov ebx, dword [esp + 0x14]
xor edi, dword [esi + ebp + 8]
xor ebx, dword [esi + ebp + 0xc]
mov dword [esp + 0x18], edx
mov edx, 0xe
mov dword [esp + 0x10], ecx
mov dword [esp + 0x1c], edx
nop dword [eax + eax]
movzx edx, byte [edx + eax]
xor esi, esi
mov ebp, dword [esp + 0x10]
mov ecx, edx
shr ecx, 4
and edx, 0xf
mov dword [esp + 0x20], ecx
add edx, edx
mov ecx, edi
shl ebp, 0x1c
shrd edi, ebx, 4
and ecx, 0xf
mov dword [esp + 0x28], 0
shr ebx, 4
or esi, edi
or ebp, ebx
xor edi, edi
mov ebx, dword [ecx*4 + 0x5977f8]
mov ecx, dword [esp + 0x18]
shrd dword [esp + 0x10], ecx, 4
xor edi, dword [esp + 0x10]
shr ecx, 4
xor ebx, ecx
mov ecx, dword [esp + 0x2c]
xor ebx, dword [ecx + edx*8 + 4]
xor ebp, dword [ecx + edx*8 + 0xc]
xor edi, dword [ecx + edx*8]
xor esi, dword [ecx + edx*8 + 8]
mov edx, edi
shrd edi, ebx, 4
mov ecx, esi
shl edx, 0x1c
shrd esi, ebp, 4
and ecx, 0xf
shr ebx, 4
or dword [esp + 0x28], esi
shr ebp, 4
or edx, ebp
xor ebp, ebp
mov ecx, dword [ecx*4 + 0x5977f8]
xor ebp, edi
xor ecx, ebx
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x20]
mov ebx, ebp
add edx, edx
mov dword [esp + 0x10], ebp
mov ebp, dword [esp + 0x2c]
xor ebx, dword [ebp + edx*8]
xor ecx, dword [ebp + edx*8 + 4]
mov dword [esp + 0x10], ebx
mov ebx, dword [esp + 0x28]
xor ebx, dword [ebp + edx*8 + 8]
mov dword [esp + 0x28], ebx
mov ebx, dword [esp + 0x14]
xor ebx, dword [ebp + edx*8 + 0xc]
mov edx, dword [esp + 0x1c]
mov edi, dword [esp + 0x28]
sub edx, 1
mov dword [esp + 0x18], ecx
mov dword [esp + 0x1c], edx
jns 0x481860
mov edx, dword [esp + 0x18]
shr ecx, 0x18
mov byte [eax], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov byte [eax + 3], dl
mov edx, dword [esp + 0x10]
mov ecx, edx
shr ecx, 0x18
mov byte [eax + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [eax + 5], cl
mov ecx, edx
shr ecx, 8
mov byte [eax + 6], cl
mov ecx, ebx
shr ecx, 0x18
mov byte [eax + 8], cl
mov ecx, ebx
shr ecx, 0x10
mov byte [eax + 9], cl
mov ecx, ebx
shr ecx, 8
mov byte [eax + 0xa], cl
mov byte [eax + 7], dl
mov edx, edi
mov ecx, edx
mov byte [eax + 0xb], bl
shr ecx, 0x18
mov byte [eax + 0xc], cl
mov ecx, edx
shr ecx, 0x10
pop edi
mov byte [eax + 0xd], cl
mov ecx, edx
pop esi
shr ecx, 8
pop ebp
mov byte [eax + 0xe], cl
mov byte [eax + 0xf], dl
pop ebx
add esp, 0x14
ret
Function at 0x484280
Capabilities:
Contain obfuscated stackstrings
Encode data using xor
Encrypt data using salsa20 or chacha

Disassembly:
mov eax, 0x98
call fcn.00449370
mov eax, dword [0x5db100]
xor eax, esp
mov dword [esp + 0x94], eax
mov ecx, dword [esp + 0xa8]
push edi
mov edi, dword [esp + 0xa0]
mov dword [esp + 4], edi
mov eax, dword [ecx]
mov dword [esp + 0x68], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x6c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x70], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x74], eax
mov eax, dword [ecx + 0x10]
mov dword [esp + 0x78], eax
mov eax, dword [ecx + 0x14]
mov dword [esp + 0x7c], eax
mov eax, dword [ecx + 0x18]
mov dword [esp + 0x80], eax
mov eax, dword [ecx + 0x1c]
mov ecx, dword [esp + 0xb0]
mov dword [esp + 0x84], eax
mov dword [esp + 0x58], 0x61707865
mov dword [esp + 0x5c], 0x3320646e
mov eax, dword [ecx]
mov dword [esp + 0x88], eax
mov eax, dword [ecx + 4]
mov dword [esp + 0x8c], eax
mov eax, dword [ecx + 8]
mov dword [esp + 0x90], eax
mov eax, dword [ecx + 0xc]
mov dword [esp + 0x94], eax
mov eax, dword [esp + 0xa8]
mov dword [esp + 0x60], 0x79622d32
mov dword [esp + 0x64], 0x6b206574
test eax, eax
je 0x48447d
push ebx
mov ebx, dword [esp + 0xa8]
push ebp
push esi
nop
mov esi, 0x40
cmp eax, esi
cmovb esi, eax
lea eax, [esp + 0x64]
push eax
lea eax, [esp + 0x28]
mov dword [esp + 0x24], esi
push eax
call fcn.004844a0
add esp, 8
xor eax, eax
test esi, esi
je 0x48444c
cmp esi, 0x20
jb 0x484424
lea edx, [edi - 1]
lea ecx, [esp + esi + 0x23]
add edx, esi
cmp edi, ecx
ja 0x48439c
lea ecx, [esp + 0x24]
cmp edx, ecx
jae 0x484424
lea ecx, [ebx - 1]
add ecx, esi
cmp edi, ecx
ja 0x4843a9
cmp edx, ebx
jae 0x484424
mov ebp, esi
lea edx, [edi + 0x10]
lea esi, [esp + 0x24]
mov ecx, ebx
sub ecx, esi
and ebp, 0xffffffe0
mov dword [esp + 0x14], ecx
mov ecx, edi
sub ecx, esi
mov dword [esp + 0x18], ecx
mov ecx, ebx
mov ebx, dword [esp + 0x14]
sub ecx, edi
mov esi, dword [esp + 0x18]
mov edi, ecx
mov dword [esp + 0x1c], ecx
nop word [eax + eax]
movups xmm0, xmmword [esp + eax + 0x24]
lea ecx, [ebx + eax]
movups xmm1, xmmword [esp + ecx + 0x24]
lea ecx, [esi + eax]
lea edx, [edx + 0x20]
pxor xmm1, xmm0
movups xmm0, xmmword [esp + eax + 0x34]
add eax, 0x20
movups xmmword [esp + ecx + 0x24], xmm1
movups xmm1, xmmword [edi + edx - 0x20]
pxor xmm1, xmm0
movups xmmword [edx - 0x20], xmm1
cmp eax, ebp
jb 0x4843e0
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x10]
mov ebx, dword [esp + 0xb0]
cmp eax, esi
jae 0x48444c
lea ecx, [esp + 0x24]
mov ebp, edi
sub ebx, ecx
sub ebp, ecx
lea edx, [esp + 0x24]
add edx, eax
inc eax
mov cl, byte [ebx + edx]
xor cl, byte [edx]
mov byte [edx + ebp], cl
cmp eax, esi
jb 0x484432
mov ebx, dword [esp + 0xb0]
mov eax, dword [esp + 0xb4]
add edi, esi
inc dword [esp + 0x94]
sub eax, esi
add ebx, esi
mov dword [esp + 0x10], edi
mov dword [esp + 0xb0], ebx
mov dword [esp + 0xb4], eax
test eax, eax
jne 0x484350
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x98]
pop edi
xor ecx, esp
call fcn.00448b50
add esp, 0x98
ret
Function at 0x487580
Capabilities:
Encode data using xor

Disassembly:
cmp dword [esp + 0x18], 0
je 0x487594
mov dword [esp + 0x18], fcn.00485d60
jmp fcn.0047fa20
mov dword [esp + 0x18], fcn.00485000
jmp fcn.0047f760
Function at 0x4a7170
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 0x4a71a1
nop dword [eax]
mov eax, dword [edx]
cmp eax, dword [esi]
jne 0x4a71a8
add edx, 4
add esi, 4
sub ecx, 4
jae 0x4a7190
xor edi, edi
cmp ecx, 0xfffffffc
je 0x4a71e3
movzx edi, byte [edx]
movzx eax, byte [esi]
sub edi, eax
jne 0x4a71e3
cmp ecx, 0xfffffffd
je 0x4a71e3
movzx edi, byte [edx + 1]
movzx eax, byte [esi + 1]
sub edi, eax
jne 0x4a71e3
cmp ecx, 0xfffffffe
je 0x4a71e3
movzx edi, byte [edx + 2]
movzx eax, byte [esi + 2]
sub edi, eax
jne 0x4a71e3
cmp ecx, 0xffffffff
je 0x4a71e3
movzx edi, byte [edx + 3]
movzx eax, byte [esi + 3]
sub edi, eax
test edi, edi
jle 0x4a71fe
push 0x157
push str.....openssl_1.1.0fcryptox509v3_v3_addr.c
push str.assertion_failed:_memcmp_min__max__length____0
call fcn.0044b380
add esp, 0xc
mov edi, dword [esp + 0x14]
xor ecx, ecx
test ebx, ebx
jle 0x4a721d
mov esi, edi
mov edx, ebp
sub esi, ebp
nop
mov al, byte [esi + edx]
cmp al, byte [edx]
jne 0x4a721d
inc ecx
inc edx
cmp ecx, ebx
jl 0x4a7210
lea edx, [ebx - 1]
test edx, edx
js 0x4a7241
mov esi, edi
lea eax, [edx + ebp]
sub esi, ebp
nop dword [eax + eax]
cmp byte [eax + esi], 0
jne 0x4a7241
cmp byte [eax], 0xff
jne 0x4a7241
dec eax
sub edx, 1
jns 0x4a7230
cmp ecx, edx
jl case.0x4a726d.2
jle 0x4a7253
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.0x4a726d.2
movzx eax, byte [eax + 0x4a72e0]
jmp dword [eax*4 + 0x4a72c0]
mov eax, 7
jmp 0x4a72a3
mov eax, 6
jmp 0x4a72a3
mov eax, 5
jmp 0x4a72a3
mov eax, 4
jmp 0x4a72a3
mov eax, 3
jmp 0x4a72a3
mov eax, 2
jmp 0x4a72a3
mov eax, 1
test dl, dh
jne case.0x4a726d.2
and bl, dl
cmp bl, dl
jne case.0x4a726d.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 0x4b1540
Capabilities:
Encrypt data using curve25519

Disassembly:
mov eax, 0x11c
call fcn.00449370
mov eax, dword [0x5db100]
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.004b4010
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.004b1ce0
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0xe0]
push eax
push eax
call fcn.004b1f60
lea eax, [esp + 0xe8]
push eax
push esi
call fcn.004b37c0
mov ecx, dword [esp + 0x140]
add esp, 0x24
pop esi
xor ecx, esp
call fcn.00448b50
add esp, 0x11c
ret
Function at 0x4b52e0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.00449370
mov eax, dword [0x5db100]
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 0x4b5346
cmp edi, dword [esi]
je 0x4b533d
test ebp, ebp
je 0x4b53c0
test ebx, ebx
js 0x4b53c0
mov eax, 1
mov dword [esi], edi
jmp 0x4b534c
mov edi, dword [esi]
test edi, edi
je 0x4b53c0
test ebp, ebp
je 0x4b54da
push edi
call fcn.00457190
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4b5380
push 0x28
push str.....openssl_1.1.0fcryptohmachmac.c
push str.assertion_failed:_j____int_sizeof_ctx__key_
call fcn.0044b380
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4b53db
push dword [esp + 0x10]
push edi
push dword [esi + 4]
call fcn.0044c380
add esp, 0xc
test eax, eax
je 0x4b53c0
push ebx
push ebp
push dword [esi + 4]
call fcn.0044c530
add esp, 0xc
test eax, eax
je 0x4b53c0
lea ebp, [esi + 0x10]
push ebp
lea eax, [esi + 0x14]
push eax
push dword [esi + 4]
call fcn.0044c300
add esp, 0xc
test eax, eax
jne 0x4b53f7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00448b50
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4b53c0
push ebx
lea eax, [esi + 0x14]
push ebp
push eax
call fcn.0053a830
lea ebp, [esi + 0x10]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4b541a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x14]
add eax, ecx
push 0
push eax
call fcn.0053a6d0
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 0x4b5420
push edx
push edi
push dword [esi + 8]
call fcn.0044c380
add esp, 0xc
test eax, eax
je 0x4b53c0
push edi
call fcn.00457190
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 8]
call fcn.0044c530
add esp, 0x10
test eax, eax
je 0x4b53c0
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 0x4b5470
push dword [esp + 0x10]
push edi
push dword [esi + 0xc]
call fcn.0044c380
add esp, 0xc
test eax, eax
je 0x4b53c0
push edi
call fcn.00457190
push eax
lea eax, [esp + 0x20]
push eax
push dword [esi + 0xc]
call fcn.0044c530
add esp, 0x10
test eax, eax
je 0x4b53c0
push dword [esi + 8]
push dword [esi + 4]
call fcn.0044c540
add esp, 8
test eax, eax
je 0x4b53c0
mov eax, 1
jmp 0x4b53c2
test eax, eax
je 0x4b54ba
jmp 0x4b541e