joyce8/EMBER2024-capa huggingface dataset:
Function at 0x5251d0
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 [section..data]
mov edi, eax
add esp, 4
test edi, edi
jne 0x5251fd
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 0x525244
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 dword [ebp + 0x10], ebx
jmp 0x52524a
mov eax, dword [ebp + 0xc]
mov dword [ebp - 4], eax
push dword [edi + 4]
mov eax, dword [esi]
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 0x5252ab
mov ebx, dword [ebp - 4]
mov dword [ebp - 8], eax
nop word [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 0x525270
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x5252d7
mov eax, dword [esi + 4]
push 1
push 0x602b97
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x602b98
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x5252b0
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x53a040
Capabilities:
Encode data using base64

Disassembly:
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x53a12c
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
movzx edx, byte [edi - 1]
cmp esi, 3
jl 0x53a0be
movzx ecx, byte [edi]
shl edx, 8
or edx, ecx
movzx ecx, byte [edi + 1]
shl edx, 8
or edx, ecx
mov ecx, edx
shr ecx, 0x12
and ecx, 0x3f
movzx ecx, byte [ecx + 0x606138]
mov byte [eax], cl
mov ecx, edx
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + 0x606138]
mov byte [eax + 1], cl
mov ecx, edx
shr ecx, 6
and ecx, 0x3f
and edx, 0x3f
movzx ecx, byte [ecx + 0x606138]
mov byte [eax + 2], cl
movzx ecx, byte [edx + 0x606138]
mov byte [eax + 3], cl
jmp 0x53a10f
shl edx, 0x10
cmp esi, 2
jne 0x53a0ce
movzx ecx, byte [edi]
shl ecx, 8
or edx, ecx
mov ecx, edx
shr ecx, 0x12
and ecx, 0x3f
movzx ecx, byte [ecx + 0x606138]
mov byte [eax], cl
mov ecx, edx
shr ecx, 0xc
and ecx, 0x3f
movzx ecx, byte [ecx + 0x606138]
mov byte [eax + 1], cl
cmp esi, 1
jne 0x53a0fb
lea ecx, [esi + 0x3c]
jmp 0x53a108
shr edx, 6
and edx, 0x3f
movzx ecx, byte [edx + 0x606138]
mov byte [eax + 2], cl
mov byte [eax + 3], 0x3d
sub esi, 3
add eax, 4
add ebx, 4
add edi, 3
test esi, esi
jg 0x53a060
pop edi
mov byte [eax], 0
mov eax, ebx
pop esi
pop ebx
ret
mov byte [eax], bl
mov eax, ebx
pop esi
pop ebx
ret
Function at 0x53cf30
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xa8
call fcn.00587620
mov eax, dword [0x65b9c4]
xor eax, esp
mov dword [esp + 0xa4], eax
mov eax, dword [esp + 0xac]
push ebx
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0xb4]
push ebp
push esi
mov esi, dword [esp + 0xc4]
xor ebp, ebp
mov eax, dword [eax + 4]
push edi
mov edi, dword [esp + 0xc4]
mov dword [esp + 0x14], eax
sub eax, edi
mov dword [esp + 0x10], eax
cmp esi, edi
jae 0x53cf96
push str.orig_len___md_size
push 0xf8
push str.._ssl_s3_cbc.c
call fcn.004f1dd0
add esp, 0xc
cmp edi, 0x40
jbe 0x53cfb2
push str.md_size___EVP_MAX_MD_SIZE
push 0xf9
push str.._ssl_s3_cbc.c
call fcn.004f1dd0
add esp, 0xc
lea eax, [esp + 0x34]
neg eax
lea ebx, [esp + 0x34]
and eax, 0x3f
add ebx, eax
lea eax, [edi + 0x100]
mov dword [esp + 0x1c], ebx
cmp esi, eax
jbe 0x53cfd9
mov ebp, esi
sub ebp, edi
sub ebp, 0x100
mov eax, edi
xor edx, edx
and eax, 0xfffffffe
shl eax, 0x17
sub eax, ebp
add eax, dword [esp + 0x10]
div edi
push edi
mov esi, edx
push 0
push ebx
mov dword [esp + 0x38], esi
call fcn.0059f570
add esp, 0xc
mov dword [esp + 0x18], 0
cmp ebp, dword [esp + 0xc8]
jae 0x53d0cf
mov ecx, dword [esp + 0x10]
mov edx, ecx
mov ebx, dword [esp + 0x14]
mov esi, ebx
mov eax, dword [esp + 0xc0]
sub esi, ecx
shr edx, 0x1f
mov dword [esp + 0x24], edx
mov edx, ebx
shr edx, 0x1f
mov eax, dword [eax + 0xc]
mov dword [esp + 0x14], edx
mov edx, ebp
sub edx, ebx
mov dword [esp + 0x20], esi
mov esi, dword [esp + 0x1c]
add eax, ebx
mov dword [esp + 0x10], edx
mov dword [esp + 0x28], eax
mov ebx, dword [esp + 0x20]
mov ecx, ebp
mov eax, dword [esp + 0x24]
inc ebp
shr ecx, 0x1f
lea ebx, [ebx + edx]
shr edx, 0x1f
xor dl, byte [esp + 0x14]
shr ebx, 0x1f
xor bl, al
xor al, cl
or bl, al
mov al, cl
xor al, byte [esp + 0x14]
xor bl, cl
or dl, al
dec bl
mov eax, dword [esp + 0x10]
xor dl, cl
mov ecx, dword [esp + 0x28]
dec dl
not dl
mov al, byte [ecx + eax]
mov ecx, dword [esp + 0x18]
and dl, al
and dl, bl
or byte [ecx + esi], dl
mov edx, ecx
inc edx
mov ecx, edx
mov eax, edx
sub ecx, edi
xor eax, edi
xor ecx, edi
or ecx, eax
xor ecx, edx
shr ecx, 0x1f
neg ecx
and edx, ecx
mov dword [esp + 0x18], edx
mov edx, dword [esp + 0x10]
inc edx
mov dword [esp + 0x10], edx
cmp ebp, dword [esp + 0xc8]
jb 0x53d050
mov esi, dword [esp + 0x2c]
mov ebx, dword [esp + 0x1c]
xor edx, edx
test edi, edi
je 0x53d10a
mov ebp, dword [esp + 0x30]
nop dword [eax]
mov eax, esi
xor eax, 0x20
mov al, byte [eax + ebx]
movzx eax, byte [esi + ebx]
inc esi
mov byte [edx + ebp], al
mov ecx, esi
sub ecx, edi
mov eax, esi
xor ecx, edi
xor eax, edi
or ecx, eax
inc edx
xor ecx, esi
shr ecx, 0x1f
neg ecx
and esi, ecx
cmp edx, edi
jb 0x53d0e0
mov ecx, dword [esp + 0xb4]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0058651a
add esp, 0xa8
ret
Function at 0x53db80
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.00587620
push ebp
mov ebp, dword [esp + 0x1c]
push esi
mov esi, dword [esp + 0x18]
inc ebp
push edi
mov edi, dword [esp + 0x18]
mov eax, dword [edi + 8]
mov eax, dword [eax + 0x64]
test byte [eax + 0x38], 1
je 0x53dbca
mov ecx, dword [esp + 0x20]
mov edx, dword [esi + 4]
lea eax, [ecx + ebp]
cmp eax, edx
jbe 0x53dbbd
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 8
ret
add dword [esi + 0xc], ecx
add dword [esi + 0x10], ecx
sub edx, ecx
mov dword [esi + 4], edx
jmp 0x53dbcf
cmp ebp, dword [esi + 4]
ja 0x53dbb4
test dword [edi + 0x100], 0x200
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 4]
push ebx
movzx ebx, byte [ecx + eax - 1]
je 0x53dc22
cmp dword [edi + 0x88], 0
jne 0x53dc22
mov eax, dword [edi + 0x58]
push 8
add eax, 8
push 0x606344
push eax
call fcn.004f1b00
add esp, 0xc
test eax, eax
jne 0x53dc15
test bl, 1
jne 0x53dc15
mov eax, dword [edi + 0x58]
or dword [eax], 8
mov eax, dword [edi + 0x58]
test byte [eax], 8
je 0x53dc22
test ebx, ebx
je 0x53dc22
dec ebx
mov eax, dword [edi + 0x80]
push dword [eax]
call fcn.004fe250
add esp, 4
test eax, 0x200000
je 0x53dc4e
or eax, 0xffffffff
sub eax, ebx
add dword [esi + 4], eax
mov eax, 1
pop ebx
pop edi
pop esi
pop ebp
add esp, 8
ret
lea ecx, [ebx + ebp]
mov ebp, dword [esi + 4]
mov edx, ebp
mov dword [esp + 0x14], ebp
sub edx, ecx
mov eax, ebp
xor edx, ecx
xor eax, ecx
or edx, eax
mov ecx, 0xff
xor edx, ebp
lea eax, [ebp - 1]
shr edx, 0x1f
dec edx
cmp eax, ecx
mov dword [esp + 0x1c], edx
cmovb ecx, eax
xor edi, edi
mov dword [esp + 0x10], ecx
test ecx, ecx
je 0x53dcd9
mov ecx, ebx
dec ebp
shr ecx, 0x1f
add ebp, dword [esi + 0xc]
mov esi, dword [esp + 0x10]
mov dword [esp + 0x28], ecx
mov al, byte [esp + 0x28]
lea ebp, [ebp - 1]
mov edx, ebx
mov ecx, edi
sub edx, edi
shr ecx, 0x1f
shr edx, 0x1f
xor al, cl
xor dl, cl
inc edi
or dl, al
movzx eax, byte [ebp + 1]
xor dl, byte [esp + 0x28]
xor eax, ebx
dec dl
movzx ecx, dl
mov edx, dword [esp + 0x1c]
and ecx, eax
not ecx
and edx, ecx
mov dword [esp + 0x1c], edx
cmp edi, esi
jb 0x53dc96
mov esi, dword [esp + 0x20]
mov ebp, dword [esp + 0x14]
not edx
movzx eax, dl
lea ecx, [eax - 1]
not eax
shr eax, 0x1f
shr ecx, 0x1f
and ecx, eax
lea eax, [ebx + 1]
neg ecx
and eax, ecx
sub ebp, eax
shl eax, 8
or dword [esi], eax
mov eax, ecx
pop ebx
pop edi
mov dword [esi + 4], ebp
and eax, 1
not ecx
pop esi
or eax, ecx
pop ebp
add esp, 8
ret
Function at 0x53e0f0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x10
call fcn.00587620
push ebx
push esi
push edi
lea eax, [esp + 0x14]
xor esi, esi
push eax
lea eax, [esp + 0x10]
xor edi, edi
push eax
push esi
call fcn.004e16a0
add esp, 0xc
test eax, eax
je 0x53e2fb
mov ebx, dword [esp + 0x20]
mov eax, dword [esp + 0xc]
shl eax, 0xa
test ebx, eax
je 0x53e12c
inc edi
lea eax, [esp + 0x14]
inc esi
push eax
lea eax, [esp + 0x10]
push eax
push esi
call fcn.004e16a0
add esp, 0xc
test eax, eax
jne 0x53e120
test edi, edi
je 0x53e2fb
mov ecx, dword [esp + 0x50]
mov eax, ecx
cdq
idiv edi
push ebp
mov ebp, dword [esp + 0x58]
mov esi, eax
xor eax, eax
mov dword [esp + 0x14], esi
cmp edi, 1
mov edi, dword [esp + 0x60]
push edi
push eax
cmove ecx, eax
push ebp
mov dword [esp + 0x60], ecx
call fcn.0059f570
lea eax, [esp + 0x24]
mov dword [esp + 0x28], 0
push eax
lea eax, [esp + 0x20]
push eax
push 0
call fcn.004e16a0
add esp, 0x18
test eax, eax
je 0x53e2c6
mov ebx, dword [esp + 0x5c]
mov eax, dword [esp + 0x10]
shl eax, 0xa
test dword [esp + 0x24], eax
je 0x53e2a2
mov ecx, dword [esp + 0x18]
test ecx, ecx
je 0x53e2d3
push edi
push ebx
push dword [esp + 0x54]
mov eax, dword [esp + 0x60]
push dword [esp + 0x54]
and eax, 1
push dword [esp + 0x54]
add eax, esi
mov esi, dword [esp + 0x64]
push dword [esp + 0x54]
push dword [esp + 0x54]
push dword [esp + 0x54]
push dword [esp + 0x54]
push dword [esp + 0x54]
push dword [esp + 0x54]
push dword [esp + 0x54]
push eax
push esi
push ecx
call fcn.0053e320
add esp, 0x3c
test eax, eax
je 0x53e2f1
add esi, dword [esp + 0x14]
xor ecx, ecx
mov dword [esp + 0x50], esi
test edi, edi
jle 0x53e29e
cmp edi, 0x20
jb 0x53e27b
lea eax, [ebx - 1]
lea edx, [ebp - 1]
add eax, edi
add edx, edi
cmp ebp, eax
ja 0x53e230
cmp edx, ebx
jae 0x53e27b
mov eax, edi
and eax, 0x8000001f
jns 0x53e23e
dec eax
or eax, 0xffffffe0
inc eax
mov edx, edi
mov esi, ebx
sub edx, eax
mov eax, ebp
sub esi, ebp
nop dword [eax + eax]
movups xmm0, xmmword [eax]
lea eax, [eax + 0x20]
movups xmm1, xmmword [esi + eax - 0x20]
pxor xmm1, xmm0
movups xmmword [eax - 0x20], xmm1
movups xmm1, xmmword [ebx + ecx + 0x10]
add ecx, 0x20
movups xmm0, xmmword [eax - 0x10]
pxor xmm1, xmm0
movups xmmword [eax - 0x10], xmm1
cmp ecx, edx
jl 0x53e250
cmp ecx, edi
jge 0x53e29e
mov esi, ebx
lea eax, [ecx + ebp]
mov edx, edi
sub esi, ebp
sub edx, ecx
nop word [eax + eax]
mov cl, byte [eax + esi]
lea eax, [eax + 1]
xor byte [eax - 1], cl
sub edx, 1
jne 0x53e290
mov esi, dword [esp + 0x14]
mov eax, dword [esp + 0x1c]
lea ecx, [esp + 0x18]
push ecx
lea ecx, [esp + 0x14]
inc eax
push ecx
push eax
mov dword [esp + 0x28], eax
call fcn.004e16a0
add esp, 0xc
test eax, eax
jne 0x53e1a0
mov eax, 1
pop ebp
pop edi
pop esi
pop ebx
add esp, 0x10
ret
push 0x114
push str.._ssl_t1_enc.c
push 0x146
push 0x11c
push 0x14
call fcn.004eba40
add esp, 0x14
pop ebp
pop edi
pop esi
xor eax, eax
pop ebx
add esp, 0x10
ret
push 0x109
push str.._ssl_t1_enc.c
push 0x44
push 0x11c
push 0x14
call fcn.004eba40
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebx
add esp, 0x10
ret
Function at 0x540120
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.00587620
mov eax, dword [0x65b9c4]
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 0x540186
cmp edi, dword [esi]
je 0x54017d
test ebp, ebp
je 0x540200
test ebx, ebx
js 0x540200
mov eax, 1
mov dword [esi], edi
jmp 0x54018c
mov edi, dword [esi]
test edi, edi
je 0x540200
test ebp, ebp
je 0x54031b
push edi
call fcn.004fefd0
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x5401c0
push str.j____int_sizeof_ctx__key_
push 0x74
push str..cryptohmachmac.c
call fcn.004f1dd0
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x54021b
push dword [esp + 0x10]
lea eax, [esi + 4]
push edi
push eax
call fcn.004f4e30
add esp, 0xc
test eax, eax
je 0x540200
push ebx
push ebp
lea ebx, [esi + 4]
push ebx
call fcn.004f4fe0
add esp, 0xc
test eax, eax
je 0x540200
lea ebp, [esi + 0x4c]
push ebp
lea eax, [esi + 0x50]
push eax
push ebx
call fcn.004f4d90
add esp, 0xc
test eax, eax
jne 0x540237
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0058651a
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x540200
push ebx
lea eax, [esi + 0x50]
push ebp
push eax
call fcn.0059f6d0
lea ebp, [esi + 0x4c]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x54025a
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x50]
add eax, ecx
push 0
push eax
call fcn.0059f570
add esp, 0xc
mov edx, dword [esp + 0x10]
xor ecx, ecx
mov al, byte [esi + ecx + 0x50]
xor al, 0x36
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x540260
push edx
lea ebx, [esi + 0x1c]
push edi
push ebx
call fcn.004f4e30
add esp, 0xc
test eax, eax
je 0x540200
push edi
call fcn.004fefd0
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004f4fe0
add esp, 0x10
test eax, eax
je 0x540200
xor ecx, ecx
nop dword [eax + eax]
mov al, byte [esi + ecx + 0x50]
xor al, 0x5c
mov byte [esp + ecx + 0x18], al
inc ecx
cmp ecx, 0x80
jl 0x5402b0
push dword [esp + 0x10]
lea ebx, [esi + 0x34]
push edi
push ebx
call fcn.004f4e30
add esp, 0xc
test eax, eax
je 0x540200
push edi
call fcn.004fefd0
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004f4fe0
add esp, 0x10
test eax, eax
je 0x540200
lea eax, [esi + 0x1c]
push eax
lea eax, [esi + 4]
push eax
call fcn.004f50b0
add esp, 8
test eax, eax
je 0x540200
mov eax, 1
jmp 0x540202
test eax, eax
je 0x5402f9
jmp 0x54025e
Function at 0x540cc0
Capabilities:
Resolve dns

Disassembly:
push ebx
mov ebx, dword [esp + 0xc]
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebp, 1
push edi
push ebx
push esi
call fcn.00541180
mov edi, eax
add esp, 8
test edi, edi
jns 0x540cfb
push 0x7b
push str..crypto_bio_b_sock.c
push 0x6c
push 0x6a
push 0x20
call fcn.004eba40
add esp, 0x14
jmp 0x540dbc
call fcn.005410b0
cmp eax, 1
jne 0x540dcc
test edi, edi
jle 0x540d14
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
ret
push 0x8e
push str..crypto_bio_b_sock.c
push 0x16
push 9
call fcn.004f1a90
add esp, 0x10
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov ecx, eax
test ecx, ecx
jne 0x540d51
push 0x92
push str..crypto_bio_b_sock.c
push 0x66
push 0x6a
push 0x20
call fcn.004eba40
add esp, 0x14
jmp 0x540da2
cmp word [ecx + 8], 2
je 0x540d72
push 0x99
push str..crypto_bio_b_sock.c
push 0x6b
push 0x6a
push 0x20
call fcn.004eba40
add esp, 0x14
jmp 0x540da2
mov eax, dword [ecx + 0xc]
xor ebp, ebp
mov eax, dword [eax]
movzx eax, byte [eax]
mov byte [ebx], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 1]
mov byte [ebx + 1], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 2]
mov byte [ebx + 2], al
mov eax, dword [ecx + 0xc]
mov eax, dword [eax]
movzx eax, byte [eax + 3]
mov byte [ebx + 3], al
push 0xa2
push str..crypto_bio_b_sock.c
push 0x16
push 0xa
call fcn.004f1a90
add esp, 0x10
test ebp, ebp
je 0x540dd3
push esi
push str.host
push 2
call fcn.004eb080
add esp, 0xc
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret

Function at 0x541130
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 0x541170
push 0x233
push str..crypto_bio_b_sock.c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push 5
push 2
call fcn.004eba40
add esp, 0x14
xor eax, eax
test esi, esi
pop esi
sete al
ret
Function at 0x550ba0
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov ecx, dword [esp + 8]
push ebx
mov ebx, dword [esp + 8]
push ebp
mov ebp, dword [esp + 0x18]
push esi
push edi
mov edi, 0x80
mov byte [ebx], 0
cmp ecx, edi
cmovg ecx, edi
test ebp, ebp
jg 0x550bc8
mov ebp, 0x400
jmp 0x550bd2
mov eax, 0x400
cmp ebp, eax
cmovg ebp, eax
test ecx, ecx
jle 0x550bf4
sub dword [esp + 0x1c], ebx
mov edx, ebx
mov ebx, dword [esp + 0x1c]
mov esi, ecx
mov al, byte [ebx + edx]
lea edx, [edx + 1]
mov byte [edx - 1], al
sub esi, 1
jne 0x550be2
mov ebx, dword [esp + 0x14]
movzx edx, byte [ebx + ecx - 1]
cmp ecx, edi
jge 0x550c19
mov esi, ebx
sub esi, ecx
movzx eax, byte [esi + ecx]
add eax, edx
movzx eax, al
movzx edx, byte [eax + 0x610bd0]
mov byte [ecx + ebx], dl
inc ecx
cmp ecx, edi
jl 0x550c01
lea eax, [ebp + 7]
mov edx, 0xff
sar eax, 3
neg ebp
sub edi, eax
mov dword [esp + 0x14], eax
movzx eax, byte [edi + ebx]
lea esi, [edi + ebx]
and ebp, 7
mov ecx, ebp
sar edx, cl
and edx, eax
movzx ecx, byte [edx + 0x610bd0]
mov byte [esi], cl
test edi, edi
je 0x550c68
mov edx, dword [esp + 0x14]
nop dword [eax]
movzx eax, byte [esi + edx - 1]
lea esi, [esi - 1]
xor eax, ecx
movzx ecx, byte [eax + 0x610bd0]
mov byte [esi], cl
sub edi, 1
jne 0x550c50
lea esi, [ebx + 0xfc]
mov edi, 0x40
lea edx, [ebx + 0x7e]
movzx ecx, byte [edx + 1]
lea esi, [esi - 4]
movzx eax, byte [edx]
lea edx, [edx - 2]
shl ecx, 8
or ecx, eax
movzx eax, cx
mov dword [esi + 4], eax
sub edi, 1
jne 0x550c76
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x5518c0
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
jmp 0x5523b0
push ebp
mov ebp, dword [esp + 0x10]
push ebp
push dword [esp + 0x10]
push dword [esp + 0x10]
call fcn.005525b0
add esp, 0xc
test eax, eax
js 0x5525a0
push ebx
push esi
push edi
mov edi, dword [ebp + 0xf0]
xor ebx, ebx
shl edi, 2
test edi, edi
jle 0x552430
lea esi, [ebp + 8]
lea esi, [esi + edi*4]
lea eax, [ebp + 8]
nop dword [eax]
mov edx, dword [eax - 8]
lea eax, [eax + 0x10]
mov ecx, dword [esi - 8]
lea esi, [esi - 0x10]
mov dword [eax - 0x18], ecx
add ebx, 4
mov ecx, dword [esi + 0xc]
sub edi, 4
mov dword [esi + 8], edx
mov edx, dword [eax - 0x14]
mov dword [eax - 0x14], ecx
mov ecx, dword [esi + 0x10]
mov dword [esi + 0xc], edx
mov edx, dword [eax - 0x10]
mov dword [eax - 0x10], ecx
mov ecx, dword [esi + 0x14]
mov dword [esi + 0x10], edx
mov edx, dword [eax - 0xc]
mov dword [eax - 0xc], ecx
mov dword [esi + 0x14], edx
cmp ebx, edi
jl 0x5523f0
mov edi, 1
cmp dword [ebp + 0xf0], edi
jle 0x55259b
lea esi, [ebp + 2]
mov edx, dword [esi + 0xe]
lea esi, [esi + 0x10]
mov eax, edx
inc edi
shr eax, 0x18
movzx ecx, byte [eax*4 + 0x611120]
movzx eax, byte [esi - 1]
mov ecx, dword [ecx*4 + 0x611d20]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612520]
movzx eax, byte [esi]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612120]
movzx eax, dl
mov edx, dword [esi + 2]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612920]
mov eax, edx
shr eax, 0x18
mov dword [esi - 2], ecx
movzx ecx, byte [eax*4 + 0x611120]
movzx eax, byte [esi + 3]
mov ecx, dword [ecx*4 + 0x611d20]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612520]
movzx eax, byte [esi + 4]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612120]
movzx eax, dl
mov edx, dword [esi + 6]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612920]
mov eax, edx
shr eax, 0x18
mov dword [esi + 2], ecx
movzx ecx, byte [eax*4 + 0x611120]
movzx eax, byte [esi + 7]
mov ecx, dword [ecx*4 + 0x611d20]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612520]
movzx eax, byte [esi + 8]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612120]
movzx eax, dl
mov edx, dword [esi + 0xa]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612920]
mov eax, edx
shr eax, 0x18
mov dword [esi + 6], ecx
movzx ecx, byte [eax*4 + 0x611120]
movzx eax, byte [esi + 0xb]
mov ecx, dword [ecx*4 + 0x611d20]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612520]
movzx eax, byte [esi + 0xc]
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612120]
movzx eax, dl
movzx eax, byte [eax*4 + 0x611120]
xor ecx, dword [eax*4 + 0x612920]
mov dword [esi + 0xa], ecx
cmp edi, dword [ebp + 0xf0]
jl 0x552444
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
Function at 0x553040
Capabilities:
Encode data using xor

Disassembly:
mov eax, 8
call fcn.00587620
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 0x55308d
mov edx, dword [esp + 0x30]
test esi, esi
je 0x55308d
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 0x553070
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 0x553147
mov edi, ebx
nop
mov ebx, esi
shr ebx, 4
add edx, ebx
mov dword [esp + 0x24], edx
cmp edx, ebx
jae 0x5530d7
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 0x553129
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 0x553113
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 0x5530c0
mov edi, dword [esp + 0x14]
mov ebx, dword [esp + 0x2c]
test esi, esi
je 0x5531b5
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 0x553192
push ebx
call fcn.00553200
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 0x5531a3
mov eax, dword [esp + 0x34]
mov dword [eax], edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret