joyce8/EMBER2024-capa huggingface dataset:
Function at 0x480b10
Capabilities:
Hash data using sha1

Disassembly:
mov eax, 0x40
call fcn.006149d0
mov eax, dword [0x6ae280]
xor eax, esp
mov dword [esp + 0x3c], eax
cmp dword [esp + 0x48], 0x1d
push esi
mov esi, dword [esp + 0x48]
push edi
mov edi, dword [esp + 0x58]
je 0x480b4c
pop edi
mov eax, 0xfffffffe
pop esi
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.00614242
add esp, 0x40
ret
test esi, esi
je 0x480c5b
cmp dword [esp + 0x54], 0x30
jne 0x480c5b
push 0x30
push edi
push esi
call fcn.00480a10
add esp, 0xc
test eax, eax
jle 0x480c5b
movaps xmm0, xmmword [str.6666666666666666cryptoevpdigest.c]
lea eax, [esp + 8]
push 0x28
push eax
push esi
movups xmmword [esp + 0x14], xmm0
movups xmmword [esp + 0x24], xmm0
movq qword [esp + 0x34], xmm0
call fcn.00480a10
add esp, 0xc
test eax, eax
je 0x480c5b
lea eax, [esp + 0x30]
push esi
push eax
call fcn.00480870
add esp, 8
test eax, eax
je 0x480c5b
push 0x4c
lea eax, [esi + 0x14]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
push 0x30
push edi
push esi
mov dword [esi], 0x67452301
mov dword [esi + 4], 0xefcdab89
mov dword [esi + 8], 0x98badcfe
mov dword [esi + 0xc], 0x10325476
mov dword [esi + 0x10], 0xc3d2e1f0
call fcn.00480a10
add esp, 0x18
test eax, eax
jle 0x480c5b
movaps xmm0, xmmword [0x6187e0]
lea eax, [esp + 8]
push 0x28
push eax
push esi
movups xmmword [esp + 0x14], xmm0
movups xmmword [esp + 0x24], xmm0
movq qword [esp + 0x34], xmm0
call fcn.00480a10
add esp, 0xc
test eax, eax
je 0x480c5b
push 0x14
lea eax, [esp + 0x34]
push eax
push esi
call fcn.00480a10
add esp, 0xc
test eax, eax
je 0x480c5b
lea eax, [esp + 0x30]
push 0x14
push eax
call fcn.00401320
add esp, 8
mov eax, 1
pop edi
pop esi
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.00614242
add esp, 0x40
ret
mov ecx, dword [esp + 0x44]
xor eax, eax
pop edi
pop esi
xor ecx, esp
call fcn.00614242
add esp, 0x40
ret
Function at 0x4904f0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
mov eax, 4
call fcn.006149d0
push edi
mov edi, dword [esp + 0xc]
xor eax, eax
mov dword [esp + 4], eax
test edi, edi
je 0x490570
mov cl, byte [edi]
test cl, cl
je 0x490570
push ebx
push esi
mov ebx, 0x100
nop word [eax + eax]
movd xmm1, dword [esp + 0xc]
lea edi, [edi + 1]
movsx esi, cl
mov edx, 0x20
or esi, ebx
add ebx, 0x100
mov ecx, esi
shr ecx, 2
xor ecx, esi
imul esi, esi
and ecx, 0xf
sub edx, ecx
shl eax, cl
mov cl, byte [edi]
movd xmm0, edx
psrlq xmm1, xmm0
movd edx, xmm1
or eax, edx
xor eax, esi
mov dword [esp + 0xc], eax
test cl, cl
jne 0x490520
pop esi
mov ecx, eax
pop ebx
shr ecx, 0x10
xor eax, ecx
pop edi
pop ecx
ret
xor eax, eax
pop edi
pop ecx
ret

Function at 0x4905f0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
mov eax, 4
call fcn.006149d0
push edi
mov edi, dword [esp + 0xc]
xor eax, eax
mov dword [esp + 4], eax
test edi, edi
je 0x490673
mov cl, byte [edi]
test cl, cl
je 0x490673
push ebx
push esi
mov ebx, 0x100
nop word [eax + eax]
movd xmm1, dword [esp + 0xc]
lea edi, [edi + 1]
movsx esi, cl
mov edx, 0x20
and esi, 0xffffffdf
or esi, ebx
add ebx, 0x100
mov ecx, esi
shr ecx, 2
xor ecx, esi
imul esi, esi
and ecx, 0xf
sub edx, ecx
shl eax, cl
mov cl, byte [edi]
movd xmm0, edx
psrlq xmm1, xmm0
movd edx, xmm1
or eax, edx
xor eax, esi
mov dword [esp + 0xc], eax
test cl, cl
jne 0x490620
pop esi
mov ecx, eax
pop ebx
shr ecx, 0x10
xor eax, ecx
pop edi
pop ecx
ret
xor eax, eax
pop edi
pop ecx
ret
Function at 0x493da0
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
push esi
mov eax, dword [esp + 0x10]
mov ebx, dword [esp + 0x18]
mov ebp, dword [esp + 0x14]
lea edx, [eax - 1]
not eax
shr edx, 0x1f
shr eax, 0x1f
and edx, eax
mov eax, dword [ebx + 4]
mov ecx, dword [ebp + 4]
dec edx
xor eax, ecx
mov dword [esp + 0x10], edx
and eax, edx
xor ecx, eax
mov dword [ebp + 4], ecx
xor dword [ebx + 4], eax
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebx + 0xc]
xor eax, ecx
movd xmm0, edx
and eax, edx
pshufd xmm4, xmm0, 0
xor ecx, eax
mov dword [ebp + 0xc], ecx
xor dword [ebx + 0xc], eax
mov ecx, dword [ebp + 0x10]
mov eax, dword [ebx + 0x10]
xor eax, ecx
and eax, edx
and eax, 4
xor ecx, eax
mov dword [ebp + 0x10], ecx
xor dword [ebx + 0x10], eax
xor eax, eax
mov esi, dword [esp + 0x1c]
test esi, esi
jle 0x493eb6
push edi
cmp esi, 4
jb 0x493e91
mov ecx, dword [ebp]
lea edi, [esi - 1]
mov edx, dword [ebx]
lea ebp, [esi - 1]
lea ebp, [ecx + ebp*4]
cmp edx, ebp
lea edi, [edx + edi*4]
mov ebp, dword [esp + 0x18]
ja 0x493e34
cmp edi, ecx
jae 0x493e91
cmp edx, ebx
ja 0x493e3c
cmp edi, ebx
jae 0x493e91
cmp edx, ebp
ja 0x493e44
cmp edi, ebp
jae 0x493e91
lea edi, [esi - 1]
lea edi, [ecx + edi*4]
cmp ecx, ebx
ja 0x493e52
cmp edi, ebx
jae 0x493e91
cmp ecx, ebp
ja 0x493e5a
cmp edi, ebp
jae 0x493e91
mov edi, esi
and edi, 0xfffffffc
nop
movups xmm3, xmmword [edx + eax*4]
movups xmm2, xmmword [ecx + eax*4]
movaps xmm1, xmm3
xorps xmm1, xmm2
andps xmm1, xmm4
movaps xmm0, xmm1
xorps xmm1, xmm3
xorps xmm0, xmm2
movups xmmword [ecx + eax*4], xmm0
movups xmmword [edx + eax*4], xmm1
add eax, 4
cmp eax, edi
jl 0x493e60
mov dword [esp + 0x18], eax
cmp eax, esi
jge 0x493eb5
mov ecx, dword [ebp]
mov edx, dword [ecx + eax*4]
lea esi, [ecx + eax*4]
mov ecx, dword [ebx]
mov edi, dword [ecx + eax*4]
xor edi, edx
and edi, dword [esp + 0x14]
xor edx, edi
mov dword [esi], edx
mov ecx, dword [ebx]
xor dword [ecx + eax*4], edi
inc eax
cmp eax, dword [esp + 0x20]
jl 0x493e91
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x494890
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, 0x24
call fcn.006149d0
push ebx
push esi
push edi
mov edi, dword [esp + 0x34]
xor ecx, ecx
push edi
mov dword [esp + 0x14], 0
xor ebx, ebx
mov dword [esp + 0x10], ecx
call fcn.00494200
mov esi, eax
add esp, 4
lea eax, [esi + 7]
cdq
and edx, 7
lea ecx, [edx + eax]
sar ecx, 3
cmp dword [esp + 0x44], ebx
jne 0x494901
mov ebx, dword [edi + 0xc]
mov eax, ebx
neg eax
sbb eax, eax
and eax, 0xff
mov dword [esp + 0x10], eax
lea eax, [ecx*8]
cmp eax, esi
jne 0x4948f9
xor eax, eax
test ebx, ebx
sete al
mov dword [esp + 0xc], eax
jmp 0x494903
mov eax, ebx
mov dword [esp + 0xc], eax
jmp 0x494903
xor eax, eax
mov esi, dword [esp + 0x3c]
add eax, ecx
cmp esi, 0xffffffff
jne 0x494941
mov esi, eax
mov dword [esp + 0x3c], esi
mov ecx, dword [edi + 8]
shl ecx, 2
test ecx, ecx
jne 0x4949c0
test esi, esi
je 0x494a54
push esi
push ecx
push dword [esp + 0x40]
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov eax, esi
pop edi
pop esi
pop ebx
add esp, 0x24
ret
cmp esi, eax
jge 0x494914
movups xmm0, xmmword [edi]
mov eax, dword [edi + 0x10]
mov dword [esp + 0x2c], eax
movups xmmword [esp + 0x1c], xmm0
psrldq xmm0, 4
movd ecx, xmm0
test ecx, ecx
jle 0x494982
mov eax, dword [esp + 0x1c]
lea eax, [eax + ecx*4]
nop dword [eax + eax]
cmp dword [eax - 4], 0
lea eax, [eax - 4]
jne 0x49497e
dec ecx
test ecx, ecx
jg 0x494970
mov dword [esp + 0x20], ecx
mov eax, dword [esp + 0x28]
xor edx, edx
test ecx, ecx
cmove eax, edx
mov dword [esp + 0x28], eax
lea eax, [esp + 0x1c]
push eax
call fcn.00494200
add eax, 7
add esp, 4
cdq
and edx, 7
add eax, edx
sar eax, 3
add eax, dword [esp + 0xc]
cmp esi, eax
jge 0x494914
pop edi
pop esi
or eax, 0xffffffff
pop ebx
add esp, 0x24
ret
mov edx, dword [esp + 0x40]
mov eax, dword [esp + 0x38]
cmp edx, 1
je 0x4949d0
dec eax
add eax, esi
mov edi, dword [edi + 4]
mov dword [esp + 0x44], eax
xor eax, eax
cmp edx, 1
push ebp
sete al
shl edi, 2
xor ebp, ebp
lea eax, [eax*2 - 1]
mov dword [esp + 0x18], eax
lea eax, [ecx - 1]
mov dword [esp + 0x1c], eax
test esi, esi
je 0x494a53
mov dword [esp + 0x10], esi
neg edi
mov esi, dword [esp + 0x38]
mov eax, dword [esi]
mov edx, ebp
shr edx, 2
mov ecx, ebp
and ecx, 3
shl ecx, 3
mov edx, dword [eax + edx*4]
mov eax, edi
shr edx, cl
mov ecx, ebp
shr eax, 0x1f
neg al
and dl, al
mov eax, dword [esp + 0x48]
xor dl, byte [esp + 0x14]
add bl, dl
cmp bl, dl
mov byte [eax], bl
sbb ebx, ebx
sub ecx, dword [esp + 0x1c]
add eax, dword [esp + 0x18]
neg ebx
shr ecx, 0x1f
inc edi
add ebp, ecx
mov dword [esp + 0x48], eax
sub dword [esp + 0x10], 1
jne 0x494a05
mov esi, dword [esp + 0x40]
pop ebp
pop edi
mov eax, esi
pop esi
pop ebx
add esp, 0x24
ret
Function at 0x4bcc10
Capabilities:
Initialize winsock library

Disassembly:
cmp dword [0x6aefb0], 0
jne 0x4bcca9
push 0x190
push 0
push 0x6aefb8
mov dword [0x6aefb0], 1
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
push 0x6aefb8
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4bcca9
call fcn.0048aed0
push str.BIO_sock_init
push 0x99
push str.crypto_bio_bio_sock.c
call fcn.0048afd0
add esp, 0xc
push str.calling_wsastartup__
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 2
call fcn.0048b0e0
call fcn.0048aed0
push str.BIO_sock_init
push 0x9b
push str.crypto_bio_bio_sock.c
call fcn.0048afd0
push 0
push 0x7a
push 0x20
call fcn.0048b0e0
add esp, 0x24
or eax, 0xffffffff
ret
mov eax, 1
ret

Function at 0x4bccb0
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 0x4bcd05
call fcn.0048aed0
push str.BIO_socket_ioctl
push 0xf7
push str.crypto_bio_bio_sock.c
call fcn.0048afd0
add esp, 0xc
push str.calling_ioctlsocket__
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 2
call fcn.0048b0e0
add esp, 0xc
xor eax, eax
test esi, esi
pop esi
sete al
ret

Function at 0x4bcd10
Capabilities:
Get socket status

Disassembly:
mov eax, pe_nt_image_headers32
call fcn.006149d0
mov eax, dword [0x6ae280]
xor eax, esp
mov dword [esp + 0x10c], eax
push ebp
mov ebp, dword [esp + 0x11c]
push edi
mov edi, dword [esp + 0x11c]
cmp edi, 0x3f
ja 0x4bcdfd
push esi
mov esi, dword [esp + 0x128]
mov eax, esi
or eax, dword [esp + 0x12c]
jne 0x4bcd71
pop esi
pop edi
mov eax, 1
pop ebp
mov ecx, dword [esp + 0x10c]
xor ecx, esp
call fcn.00614242
add esp, 0x110
ret
push 0
call sub.api_ms_win_crt_time_l1_1_0.dll__time64
add esp, 4
cmp dword [esp + 0x12c], edx
jg 0x4bcda4
jl 0x4bcd8a
cmp esi, eax
jae 0x4bcda4
pop esi
pop edi
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x10c]
xor ecx, esp
call fcn.00614242
add esp, 0x110
ret
sub esi, eax
mov dword [esp + 0x18], edi
xor ecx, ecx
mov dword [esp + 0x14], 1
lea eax, [esp + 0xc]
mov dword [esp + 0x10], 0
push eax
test ebp, ebp
mov dword [esp + 0x10], esi
push 0
lea eax, [esp + 0x1c]
cmovne eax, ecx
test ebp, ebp
push eax
lea eax, [esp + 0x20]
cmove eax, ecx
push eax
lea eax, [edi + 1]
push eax
call dword [sym.imp.WS2_32.dll_select]
pop esi
pop edi
pop ebp
mov ecx, dword [esp + 0x10c]
xor ecx, esp
call fcn.00614242
add esp, 0x110
ret
mov ecx, dword [esp + 0x114]
or eax, 0xffffffff
pop edi
pop ebp
xor ecx, esp
call fcn.00614242
add esp, 0x110
ret
Function at 0x4bd9a0
Capabilities:
Get common file path

Disassembly:
mov eax, 0x230
call fcn.006149d0
mov eax, dword [0x6ae280]
xor eax, esp
mov dword [esp + 0x22c], eax
cmp dword [0x6af150], 0
mov dword [esp], 0x635d48
mov dword [esp + 4], 0x4bd3a0
mov dword [esp + 8], str.getnameinfo
mov dword [esp + 0xc], 0x4bd750
mov dword [esp + 0x10], 0x635d60
mov dword [esp + 0x14], 0x4bd350
jne 0x4bdb06
push 0x104
lea eax, [esp + 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4bdafc
push ebx
push ebp
push esi
push edi
lea eax, [esp + 0x134]
push eax
lea eax, [esp + 0x2c]
push 0x10c
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_strcpy_s
push str.ws2_32
lea eax, [esp + 0x38]
push 0x10c
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_strcat_s
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
lea eax, [esp + 0x40]
add esp, 0x18
push eax
call esi
mov ebp, dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov edi, eax
mov ebx, dword [sym.imp.KERNEL32.dll_GetProcAddress]
test edi, edi
je 0x4bda6f
push 0x635d48
push edi
call ebx
test eax, eax
jne 0x4bdab6
push edi
call ebp
lea eax, [esp + 0x134]
push eax
lea eax, [esp + 0x2c]
push 0x10c
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_strcpy_s
push str.wship6
lea eax, [esp + 0x38]
push 0x10c
push eax
call sub.api_ms_win_crt_string_l1_1_0.dll_strcat_s
add esp, 0x18
lea eax, [esp + 0x28]
push eax
call esi
mov edi, eax
test edi, edi
je 0x4bdaf8
push 0x635d48
push edi
call ebx
test eax, eax
je 0x4bdaf5
xor esi, esi
lea eax, [esp + 0x10]
nop dword [eax]
push dword [eax + esi*8]
push edi
call ebx
mov dword [esp + esi*8 + 0x14], eax
test eax, eax
je 0x4bdaf5
inc esi
lea eax, [esp + 0x10]
cmp esi, 3
jl 0x4bdac0
mov eax, dword [esp + 0x14]
mov dword [0x6ac474], eax
mov eax, dword [esp + 0x1c]
mov dword [0x6ac47c], eax
mov eax, dword [esp + 0x24]
mov dword [0x6ac484], eax
jmp 0x4bdaf8
push edi
call ebp
pop edi
pop esi
pop ebp
pop ebx
mov dword [0x6af150], 1
movzx eax, word [esp + 0x234]
mov ecx, dword [esp + 0x22c]
xor ecx, esp
mov eax, dword [eax*8 + 0x6ac474]
call fcn.00614242
add esp, 0x230
ret 4
Function at 0x4bdb30
Capabilities:
Resolve dns

Disassembly:
mov eax, 0x820
call fcn.006149d0
mov eax, dword [0x6ae280]
xor eax, esp
mov dword [esp + 0x81c], eax
push ebx
mov ebx, dword [esp + 0x83c]
lea eax, [esp + 0x19]
push ebp
push esi
mov esi, dword [esp + 0x830]
push edi
push 0x400
push 0
push eax
mov dword [esp + 0x28], esi
mov dword [esp + 0x24], ebx
mov dword [esp + 0x1c], 0
mov byte [esp + 0x30], 0
call sub.VCRUNTIME140.dll_memset
push 0x400
lea eax, [esp + 0x439]
mov byte [esp + 0x438], 0
push 0
push eax
call sub.VCRUNTIME140.dll_memset
push 0x400
push esi
lea eax, [esp + 0x44]
push 0x401
push eax
mov dword [esp + 0x3c], eax
lea ebp, [esp + 0x450]
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy_s
add esp, 0x28
nop
push esi
mov edi, ebx
mov dword [ebx], 0
mov byte [ebp], 0
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov ebx, eax
test ebx, ebx
je 0x4bdd0f
cmp word [ebx + 8], 2
jne 0x4bdc32
cmp word [ebx + 0xa], 4
jne 0x4bdc32
mov esi, dword [ebx + 0xc]
mov eax, dword [esi]
test eax, eax
je 0x4bdc32
nop dword [eax]
nop dword [eax + eax]
push dword [eax]
push dword [esp + 0x844]
push dword [esp + 0x844]
push dword [esp + 0x844]
call fcn.004bdd60
mov dword [edi], eax
test eax, eax
je 0x4bdd08
add esi, 4
lea edi, [eax + 0x1c]
mov eax, dword [esi]
test eax, eax
jne 0x4bdc00
push 0x400
push dword [ebx]
push 0x401
push ebp
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy_s
mov ebx, dword [esp + 0x28]
xor esi, esi
add esp, 0x10
cmp dword [ebx], esi
jne 0x4bdcbf
mov ecx, ebp
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bdc56
sub ecx, edx
je case.0x4bdd1f.11003
mov edi, dword [esp + 0x14]
mov ecx, ebp
mov eax, edi
nop dword [eax]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x4bdc90
test dl, dl
je 0x4bdc8c
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x4bdc90
add eax, 2
add ecx, 2
test dl, dl
jne 0x4bdc70
xor eax, eax
jmp 0x4bdc95
sbb eax, eax
or eax, 1
test eax, eax
je case.0x4bdd1f.11003
mov esi, dword [esp + 0x10]
inc esi
mov dword [esp + 0x10], esi
cmp esi, 0x10
je case.0x4bdd1f.11003
mov esi, dword [esp + 0x1c]
mov eax, edi
mov dword [esp + 0x14], ebp
mov ebp, eax
jmp 0x4bdbc0
mov esi, 0x2afb
jmp 0x4bdd32
cmp dword [esp + 0x844], esi
je 0x4bdd32
mov ecx, ebp
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bdcd0
sub ecx, edx
lea ebx, [ecx + 1]
push ebx
push 1
call sub.api_ms_win_crt_heap_l1_1_0.dll_calloc
mov edi, eax
add esp, 8
test edi, edi
je 0x4bdcf8
push ebp
push ebx
push edi
call sub.api_ms_win_crt_string_l1_1_0.dll_strcpy_s
add esp, 0xc
mov ecx, dword [esp + 0x18]
mov eax, dword [ecx]
mov dword [eax + 0x14], edi
mov eax, dword [ecx]
cmp dword [eax + 0x14], esi
jne 0x4bdd32
mov esi, 8
jmp 0x4bdd32
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
add eax, 0xffffd507
cmp eax, 3
ja case.0x4bdd1f.11001
jmp dword [eax*4 + 0x4bdd50]
mov esi, 0x2afa
jmp 0x4bdd32
mov esi, 0x2af9
mov ecx, dword [esp + 0x82c]
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00614242
add esp, 0x820
ret 0x18
Function at 0x4c3df0
Capabilities:
Check if file exists

Disassembly:
push ebx
push esi
push edi
mov edi, dword [esp + 0x14]
push edi
push dword [esp + 0x14]
call fcn.00509cf0
push 0x62
push edi
mov ebx, eax
call sub.VCRUNTIME140.dll_strchr
add esp, 0x10
neg eax
sbb esi, esi
and esi, 0xfffffff0
add esi, 0x11
test ebx, ebx
jne 0x4c3ea2
call fcn.0048aed0
push str.BIO_new_file
push 0x43
push str.crypto_bio_bss_file.c
call fcn.0048afd0
add esp, 0xc
push edi
push dword [esp + 0x14]
push str.calling_fopen__s___s_
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 2
call fcn.0048b0e0
add esp, 0x14
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
cmp dword [eax], 2
je 0x4c3e72
call sub.api_ms_win_crt_runtime_l1_1_0.dll__errno
cmp dword [eax], 6
je 0x4c3e72
mov esi, 0x80002
lea edi, [ebx + 0x4d]
jmp 0x4c3e7a
mov esi, 0x80
lea edi, [esi - 0x35]
call fcn.0048aed0
push str.BIO_new_file
push edi
push str.crypto_bio_bss_file.c
call fcn.0048afd0
push 0
push esi
push 0x20
call fcn.0048b0e0
add esp, 0x18
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0x6365a8
call fcn.00491700
mov edi, eax
add esp, 4
test edi, edi
jne 0x4c3ec4
push ebx
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fclose
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
ret
push 0
push edi
call fcn.00490fb0
push ebx
push esi
push 0x6a
push edi
call fcn.00490fe0
add esp, 0x18
mov eax, edi
pop edi
pop esi
pop ebx
ret
Function at 0x4d68f0
Capabilities:
Encrypt data using curve25519

Disassembly:
push ebp
mov ebp, dword [esp + 0x18]
push esi
push edi
mov edi, dword [esp + 0x14]
cmp ebp, 2
je 0x4d69c9
mov esi, dword [esp + 0x10]
test esi, esi
je 0x4d697e
push esi
push 0
lea eax, [esp + 0x28]
push eax
push 0
call fcn.004d3d40
add esp, 0x10
cmp dword [esp + 0x20], 0xffffffff
je 0x4d6952
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xa6
push str.cryptoececx_backend.c
call fcn.0048afd0
push 0
push 0x66
push 0x10
call fcn.0048b0e0
add esp, 0x18
xor eax, eax
pop edi
pop esi
pop ebp
ret
mov eax, dword [esi]
mov esi, dword [esp + 0x1c]
push eax
call fcn.00483b90
add esp, 4
test esi, esi
jne 0x4d6969
mov esi, eax
jmp 0x4d6982
cmp esi, eax
je 0x4d6982
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xac
jmp 0x4d6934
mov esi, dword [esp + 0x1c]
test edi, edi
je 0x4d69b5
test esi, esi
je 0x4d69b5
cmp esi, 0x40a
je 0x4d69aa
cmp esi, 0x43f
je 0x4d69aa
xor eax, eax
cmp esi, 0x40b
setne al
add eax, 0x38
jmp 0x4d69af
mov eax, 0x20
cmp dword [esp + 0x18], eax
je 0x4d69cd
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xb2
jmp 0x4d6934
mov esi, dword [esp + 0x1c]
cmp esi, 0x40a
je 0x4d69f1
cmp esi, 0x43f
je 0x4d69f1
xor eax, eax
cmp esi, 0x40b
setne al
lea eax, [eax*2 + 1]
jmp 0x4d6a01
xor ecx, ecx
mov eax, 2
cmp esi, 0x40a
cmove eax, ecx
push ebx
push dword [esp + 0x2c]
push 1
push eax
push dword [esp + 0x34]
call fcn.004ca050
mov ebx, eax
add esp, 0x10
test ebx, ebx
jne 0x4d6a4b
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xb9
push str.cryptoececx_backend.c
call fcn.0048afd0
push ebx
push 0x80010
push 0x10
call fcn.0048b0e0
add esp, 0x18
xor eax, eax
pop ebx
pop edi
pop esi
pop ebp
ret
test ebp, ebp
jne 0x4d6a67
push dword [esp + 0x1c]
lea eax, [ebx + 0xc]
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov eax, ebx
pop ebx
pop edi
pop esi
pop ebp
ret
push ebx
call fcn.004c9fe0
mov edi, eax
add esp, 4
test edi, edi
jne 0x4d6a9a
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xc3
push str.cryptoececx_backend.c
call fcn.0048afd0
push edi
push 0x80010
jmp 0x4d6b70
cmp ebp, 2
jne 0x4d6b0c
test esi, esi
je 0x4d6b3f
cmp esi, 0x40a
je 0x4d6ac7
cmp esi, 0x43f
je 0x4d6ac7
xor eax, eax
cmp esi, 0x40b
setne al
add eax, 0x38
jmp 0x4d6acc
mov eax, 0x20
push 0
push eax
push edi
push dword [esp + 0x34]
call fcn.004b3f00
add esp, 0x10
test eax, eax
jle 0x4d6b7a
cmp esi, 0x40a
jne 0x4d6afb
mov al, byte [edi + 0x1f]
and byte [edi], 0xf8
and al, 0x3f
or al, 0x40
mov byte [edi + 0x1f], al
jmp 0x4d6b3f
cmp esi, 0x40b
jne 0x4d6b3f
and byte [edi], 0xfc
or byte [edi + 0x37], 0x80
jmp 0x4d6b3f
cmp esi, 0x40a
je 0x4d6b2c
cmp esi, 0x43f
je 0x4d6b2c
xor eax, eax
cmp esi, 0x40b
setne al
add eax, 0x38
jmp 0x4d6b31
mov eax, 0x20
push eax
push dword [esp + 0x1c]
push edi
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
push ebx
call fcn.004d6b90
add esp, 4
test eax, eax
jne 0x4d6a60
call fcn.0048aed0
push str.ossl_ecx_key_op
push 0xd7
push str.cryptoececx_backend.c
call fcn.0048afd0
push 0
push 0xa6
push 0x10
call fcn.0048b0e0
add esp, 0x18
push ebx
call fcn.004ca000
add esp, 4
xor eax, eax
pop ebx
pop edi
pop esi
pop ebp
ret
Function at 0x4db640
Capabilities:
Encrypt data using curve25519

Disassembly:
mov eax, 0xe4
call fcn.006149d0
mov eax, dword [0x6ae280]
xor eax, esp
mov dword [esp + 0xe0], eax
mov eax, dword [esp + 0xf4]
mov ecx, dword [esp + 0xe8]
push ebx
mov ebx, dword [esp + 0xf0]
push esi
mov esi, dword [esp + 0xf8]
push edi
push eax
push str.SHA512
push ecx
call fcn.004818c0
mov edi, eax
add esp, 0xc
test edi, edi
je 0x4db6c2
push 0
push edi
push 0
lea eax, [esp + 0xb8]
push eax
push 0x20
push esi
call fcn.00480c70
push edi
mov esi, eax
call fcn.004818f0
add esp, 0x1c
test esi, esi
jne 0x4db6dc
lea eax, [esp + 0xac]
push 0x40
push eax
call fcn.00401320
add esp, 8
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0xe0]
xor ecx, esp
call fcn.00614242
add esp, 0xe4
ret
mov al, byte [esp + 0xcb]
and byte [esp + 0xac], 0xf8
and al, 0x3f
or al, 0x40
mov byte [esp + 0xcb], al
lea eax, [esp + 0xac]
push eax
lea eax, [esp + 0x10]
push eax
call fcn.004dad90
lea eax, [esp + 0x14]
push eax
push ebx
call fcn.004dad10
lea eax, [esp + 0xbc]
push 0x40
push eax
call fcn.00401320
mov ecx, dword [esp + 0x104]
add esp, 0x18
mov eax, 1
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.00614242
add esp, 0xe4
ret
Function at 0x4e3890
Capabilities:
Encode data using xor

Disassembly:
mov eax, dword [esp + 8]
push ebx
mov ebx, dword [esp + 0x10]
push esi
mov esi, dword [esp + 0xc]
lea edx, [eax + 0x3c]
movd xmm0, ebx
pshufd xmm4, xmm0, 0
lea ecx, [esi + 0x3c]
cmp eax, ecx
ja 0x4e38df
cmp edx, esi
jb 0x4e38df
push edi
sub esi, eax
mov edi, 0x10
nop dword [eax]
mov edx, dword [eax + esi]
lea eax, [eax + 4]
mov ecx, dword [eax - 4]
xor ecx, edx
and ecx, ebx
xor edx, ecx
mov dword [eax + esi - 4], edx
xor dword [eax - 4], ecx
sub edi, 1
jne 0x4e38c0
pop edi
pop esi
pop ebx
ret
sub esi, eax
mov ecx, 4
nop word [eax + eax]
lea eax, [eax + 0x10]
movups xmm1, xmmword [esi + eax - 0x10]
movups xmm3, xmmword [eax - 0x10]
movaps xmm2, xmm1
xorps xmm2, xmm3
andps xmm2, xmm4
movaps xmm0, xmm2
xorps xmm2, xmm3
xorps xmm0, xmm1
movups xmmword [esi + eax - 0x10], xmm0
movups xmmword [eax - 0x10], xmm2
sub ecx, 1
jne 0x4e38f0
pop esi
pop ebx
ret
Function at 0x4e9710
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 0x14]
cmp dword [esp + 0x18], esi
jne 0x4e97d9
mov ecx, dword [esp + 0x10]
mov al, byte [ecx]
cmp al, 0x6a
je 0x4e9731
cmp al, 0x6b
jne 0x4e97d9
inc ecx
cmp al, 0x6b
jne 0x4e9792
add esi, 0xfffffffd
xor eax, eax
test esi, esi
jle 0x4e9752
nop
mov dl, byte [ecx]
inc ecx
cmp dl, 0xba
je 0x4e9752
cmp dl, 0xbb
jne 0x4e9766
inc eax
cmp eax, esi
jl 0x4e9740
sub esi, eax
test eax, eax
jne 0x4e9795
call fcn.0048aed0
push str.RSA_padding_check_X931
push 0x56
jmp 0x4e9772
call fcn.0048aed0
push str.RSA_padding_check_X931
push 0x4e
push str.crypto_rsa_rsa_x931.c
call fcn.0048afd0
push 0
push 0x8a
push 4
call fcn.0048b0e0
add esp, 0x18
or eax, 0xffffffff
pop esi
ret
add esi, 0xfffffffe
cmp byte [esi + ecx], 0xcc
je 0x4e97c7
call fcn.0048aed0
push str.RSA_padding_check_X931
push 0x5f
push str.crypto_rsa_rsa_x931.c
call fcn.0048afd0
push 0
push 0x8b
push 4
call fcn.0048b0e0
add esp, 0x18
or eax, 0xffffffff
pop esi
ret
push esi
push ecx
push dword [esp + 0x10]
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
mov eax, esi
pop esi
ret
call fcn.0048aed0
push str.RSA_padding_check_X931
push 0x43
push str.crypto_rsa_rsa_x931.c
call fcn.0048afd0
push 0
push 0x89
push 4
call fcn.0048b0e0
add esp, 0x18
or eax, 0xffffffff
pop esi
ret