joyce8/EMBER2024-capa huggingface dataset:
Function at 0x479b20
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 0x479b53
push 0x2e
push edi
call fcn.0055d060
add esp, 8
test eax, eax
je 0x479b51
mov byte [eax], 0
xor eax, eax
pop edi
pop esi
pop ebp
ret

Function at 0x47c260
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 [0x60cb48]
mov edi, eax
add esp, 4
test edi, edi
jne 0x47c28d
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 0x47c2d4
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 0x47c2da
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 0x47c33b
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 0x47c300
mov ebx, dword [ebp - 8]
cmp ebx, dword [esi + 0x10]
jae 0x47c367
mov eax, dword [esi + 4]
push 1
push str.6OpenSSL_1.0.2l__25_May_2017
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x5a89cf
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x47c340
pop ebx
mov eax, edi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x499450
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xa8
call fcn.0042d100
mov eax, dword [0x60c254]
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 0x4994b6
push str.orig_len___md_size
push 0xf8
push str.._ssl_s3_cbc.c
call fcn.004bd740
add esp, 0xc
cmp edi, 0x40
jbe 0x4994d2
push str.md_size___EVP_MAX_MD_SIZE
push 0xf9
push str.._ssl_s3_cbc.c
call fcn.004bd740
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 + 0x20], ebx
cmp esi, eax
jbe 0x4994f9
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.0055d8e0
add esp, 0xc
mov dword [esp + 0x18], 0
cmp ebp, dword [esp + 0xc8]
jae 0x4995f1
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 + 0x1c], 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 + 0x24], esi
mov esi, dword [esp + 0x20]
add eax, ebx
mov dword [esp + 0x10], edx
mov dword [esp + 0x28], eax
mov ebx, dword [esp + 0x24]
mov ecx, ebp
shr ecx, 0x1f
inc ebp
mov al, cl
xor al, byte [esp + 0x1c]
lea ebx, [ebx + edx]
shr edx, 0x1f
xor dl, byte [esp + 0x14]
shr ebx, 0x1f
xor bl, byte [esp + 0x1c]
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 0x499570
mov esi, dword [esp + 0x2c]
mov ebx, dword [esp + 0x20]
xor edx, edx
test edi, edi
je 0x49962a
mov ebp, dword [esp + 0x30]
nop dword [eax + 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 0x499600
mov ecx, dword [esp + 0xb4]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042cfd3
add esp, 0xa8
ret
Function at 0x49a060
Capabilities:
Encode data using xor

Disassembly:
mov eax, 4
call fcn.0042d100
push ebp
mov ebp, dword [esp + 0x18]
push esi
mov esi, dword [esp + 0x14]
inc ebp
push edi
mov edi, dword [esp + 0x14]
mov eax, dword [edi + 8]
mov eax, dword [eax + 0x64]
test byte [eax + 0x38], 1
je 0x49a0a8
mov ecx, dword [esp + 0x1c]
mov edx, dword [esi + 4]
lea eax, [ecx + ebp]
cmp eax, edx
jbe 0x49a09b
pop edi
pop esi
xor eax, eax
pop ebp
pop ecx
ret
add dword [esi + 0xc], ecx
add dword [esi + 0x10], ecx
sub edx, ecx
mov dword [esi + 4], edx
jmp 0x49a0ad
cmp ebp, dword [esi + 4]
ja 0x49a094
test dword [edi + 0x100], 0x200
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 4]
push ebx
movzx ebx, byte [ecx + eax - 1]
je 0x49a100
cmp dword [edi + 0x88], 0
jne 0x49a100
mov eax, dword [edi + 0x58]
push 8
add eax, 8
push 0x5ae9cc
push eax
call fcn.004bd470
add esp, 0xc
test eax, eax
jne 0x49a0f3
test bl, 1
jne 0x49a0f3
mov eax, dword [edi + 0x58]
or dword [eax], 8
mov eax, dword [edi + 0x58]
test byte [eax], 8
je 0x49a100
test ebx, ebx
je 0x49a100
dec ebx
mov eax, dword [edi + 0x80]
push dword [eax]
call fcn.0047db70
add esp, 4
test eax, 0x200000
je 0x49a12a
or eax, 0xffffffff
sub eax, ebx
add dword [esi + 4], eax
mov eax, 1
pop ebx
pop edi
pop esi
pop ebp
pop ecx
ret
mov edi, dword [esi + 4]
lea ecx, [ebx + ebp]
mov edx, edi
mov dword [esp + 0x10], edi
sub edx, ecx
mov eax, edi
xor edx, ecx
xor eax, ecx
or edx, eax
mov ebp, 0xff
xor edx, edi
lea eax, [edi - 1]
shr edx, 0x1f
dec edx
cmp eax, ebp
mov dword [esp + 0x24], edx
cmovb ebp, eax
xor edx, edx
test ebp, ebp
je 0x49a1af
mov ecx, ebx
dec edi
shr ecx, 0x1f
add edi, dword [esi + 0xc]
mov dword [esp + 0x18], ecx
nop word [eax + eax]
mov ecx, ebx
lea edi, [edi - 1]
sub ecx, edx
mov eax, edx
shr ecx, 0x1f
inc edx
shr eax, 0x1f
xor cl, al
xor al, byte [esp + 0x18]
or cl, al
movzx eax, byte [edi + 1]
xor cl, byte [esp + 0x18]
xor eax, ebx
dec cl
movzx ecx, cl
and ecx, eax
mov eax, dword [esp + 0x24]
not ecx
and eax, ecx
mov dword [esp + 0x24], eax
cmp edx, ebp
jb 0x49a170
mov edi, dword [esp + 0x10]
jmp 0x49a1b3
mov eax, dword [esp + 0x24]
not eax
movzx eax, al
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 edi, eax
shl eax, 8
or dword [esi], eax
mov eax, ecx
pop ebx
mov dword [esi + 4], edi
and eax, 1
pop edi
not ecx
pop esi
or eax, ecx
pop ebp
pop ecx
ret
Function at 0x49a5d0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x14
call fcn.0042d100
push esi
push edi
lea eax, [esp + 0xc]
xor edi, edi
push eax
lea eax, [esp + 0xc]
xor esi, esi
push eax
push edi
call fcn.00482930
add esp, 0xc
test eax, eax
je 0x49a7eb
nop dword [eax + eax]
mov ecx, dword [esp + 8]
lea eax, [esi + 1]
shl ecx, 0xa
inc edi
and ecx, dword [esp + 0x20]
cmove eax, esi
mov esi, eax
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0xc]
push eax
push edi
call fcn.00482930
add esp, 0xc
test eax, eax
jne 0x49a600
test esi, esi
je 0x49a7eb
mov eax, dword [esp + 0x50]
cdq
idiv esi
mov edi, dword [esp + 0x5c]
cmp esi, 1
push ebx
push ebp
mov ebp, dword [esp + 0x5c]
mov esi, 0
cmovne esi, dword [esp + 0x58]
push edi
push 0
push ebp
mov dword [esp + 0x28], eax
mov dword [esp + 0x24], esi
call fcn.0055d8e0
lea eax, [esp + 0x20]
mov dword [esp + 0x2c], 0
push eax
lea eax, [esp + 0x20]
push eax
push 0
call fcn.00482930
add esp, 0x18
test eax, eax
je 0x49a7b6
mov ebx, dword [esp + 0x60]
nop word [eax + eax]
mov eax, dword [esp + 0x10]
shl eax, 0xa
test dword [esp + 0x28], eax
je 0x49a792
mov ecx, dword [esp + 0x14]
test ecx, ecx
je 0x49a7c3
push edi
push ebx
push dword [esp + 0x58]
and esi, 1
push dword [esp + 0x58]
add esi, dword [esp + 0x2c]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push dword [esp + 0x58]
push esi
mov esi, dword [esp + 0x88]
push esi
push ecx
call fcn.0049a810
add esp, 0x3c
test eax, eax
je 0x49a7e1
add esi, dword [esp + 0x1c]
xor ecx, ecx
mov dword [esp + 0x54], esi
test edi, edi
jle 0x49a78e
cmp edi, 0x20
jb 0x49a76b
lea eax, [ebx - 1]
lea edx, [ebp - 1]
add eax, edi
add edx, edi
cmp ebp, eax
ja 0x49a721
cmp edx, ebx
jae 0x49a76b
mov eax, edi
and eax, 0x8000001f
jns 0x49a72f
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]
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 0x49a740
cmp ecx, edi
jge 0x49a78e
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 0x49a780
mov esi, dword [esp + 0x18]
mov eax, dword [esp + 0x20]
lea ecx, [esp + 0x14]
push ecx
lea ecx, [esp + 0x14]
inc eax
push ecx
push eax
mov dword [esp + 0x2c], eax
call fcn.00482930
add esp, 0xc
test eax, eax
jne 0x49a690
pop ebp
mov eax, 1
pop ebx
pop edi
pop esi
add esp, 0x14
ret
push 0x114
push str.._ssl_t1_enc.c
push 0x146
push 0x11c
push 0x14
call fcn.004b4e80
add esp, 0x14
pop ebp
pop ebx
pop edi
xor eax, eax
pop esi
add esp, 0x14
ret
push 0x109
push str.._ssl_t1_enc.c
push 0x44
push 0x11c
push 0x14
call fcn.004b4e80
add esp, 0x14
xor eax, eax
pop edi
pop esi
add esp, 0x14
ret
Function at 0x4a7df0
Capabilities:
Check if file exists

Disassembly:
push esi
mov esi, dword [esp + 0xc]
push edi
push esi
push dword [esp + 0x10]
call fcn.004a7f30
mov edi, eax
add esp, 8
test edi, edi
jne 0x4a7e96
push 0xaf
push str..crypto_bio_bss_file.c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push 1
push 2
call fcn.004b4e80
push 0x5aa400
push esi
push 0x5af640
push dword [esp + 0x2c]
push str.fopen_
push 5
call fcn.004b43d0
add esp, 0x2c
call fcn.0056effe
cmp dword [eax], 2
je 0x4a7e76
call fcn.0056effe
cmp dword [eax], 6
je 0x4a7e76
push 0xb8
push str..crypto_bio_bss_file.c
push 2
push 0x6d
push 0x20
call fcn.004b4e80
add esp, 0x14
xor eax, eax
pop edi
pop esi
ret
push 0xb6
push str..crypto_bio_bss_file.c
push 0x80
push 0x6d
push 0x20
call fcn.004b4e80
add esp, 0x14
xor eax, eax
pop edi
pop esi
ret
push 0x60f928
call fcn.004a8500
mov esi, eax
add esp, 4
test esi, esi
jne 0x4a7eb7
push edi
call fcn.0056e7c6
add esp, 4
xor eax, eax
pop edi
pop esi
ret
push 0
push esi
call fcn.004a8140
push edi
push 1
push 0x6a
push esi
call fcn.004a8170
add esp, 0x18
mov eax, esi
pop edi
pop esi
ret
Function at 0x4b2260
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
mov eax, 0x474
call fcn.0042d100
mov eax, dword [0x60c254]
xor eax, esp
mov dword [esp + 0x470], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor ebx, ebx
mov dword [esp + 0x44], ebx
test edi, edi
jne 0x4b22a5
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x470]
xor ecx, esp
call fcn.0042cfd3
mov esp, ebp
pop ebp
ret
lea eax, [esp + 0x48]
push eax
push edi
call fcn.00575728
add esp, 8
test eax, eax
js 0x4b228e
mov eax, 8
call fcn.0042d100
xorps xmm0, xmm0
lea eax, [esp + 0x50]
movsd qword [esp], xmm0
push 0x30
push eax
call fcn.004b1f70
mov esi, dword [ebp + 0xc]
add esp, 0x10
test esi, esi
je 0x4b228e
push 0x59c618
push edi
call fcn.00569fab
add esp, 8
mov dword [esp + 0x40], eax
test eax, eax
je 0x4b23a2
test dword [esp + 0x4e], 0x2000
je 0x4b2321
push 0
push 4
mov ecx, 0x800
cmp esi, 0xffffffff
push 0
push eax
cmove esi, ecx
call fcn.00570abe
mov eax, dword [esp + 0x50]
add esp, 0x10
mov edi, 0x400
test esi, esi
jle 0x4b232f
cmp esi, edi
cmovl edi, esi
push eax
push edi
lea eax, [esp + 0x80]
push 1
push eax
call fcn.00571792
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4b2383
movd xmm0, ebx
mov eax, 8
cvtdq2pd xmm0, xmm0
call fcn.0042d100
lea eax, [esp + 0x80]
movsd qword [esp], xmm0
push edi
push eax
call fcn.004b1f70
add dword [esp + 0x54], ebx
add esp, 0x10
mov eax, dword [esp + 0x40]
test esi, esi
jle 0x4b2321
sub esi, edi
test esi, esi
jg 0x4b2321
push dword [esp + 0x40]
call fcn.0056e7c6
lea eax, [esp + 0x7c]
push 0x400
push eax
call fcn.004c1a30
mov ebx, dword [esp + 0x50]
add esp, 0xc
mov ecx, dword [esp + 0x47c]
mov eax, ebx
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0042cfd3
mov esp, ebp
pop ebp
ret
Function at 0x4bd470
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, dword [esp + 0x10]
xor dl, dl
test esi, esi
je 0x4bd497
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
sub edi, eax
mov cl, byte [edi + eax]
lea eax, [eax + 1]
xor cl, byte [eax - 1]
or dl, cl
sub esi, 1
jne 0x4bd486
pop edi
movzx eax, dl
pop esi
ret

Function at 0x4bd5e0
Capabilities:
Access the windows event log
Write file on windows

Disassembly:
mov eax, 0x10c
call fcn.0042d100
mov eax, dword [0x60c254]
xor eax, esp
mov dword [esp + 0x108], eax
push esi
push 0xfffffffffffffff4
call dword [sym.imp.KERNEL32.dll_GetStdHandle]
mov esi, eax
test esi, esi
je 0x4bd67f
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
test eax, eax
je 0x4bd67f
lea eax, [esp + 0x118]
push eax
push 0
push dword [esp + 0x11c]
lea eax, [esp + 0x14]
push 0x100
push eax
call fcn.00404cbe
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.00568a7e
add esp, 0x1c
or ecx, 0xffffffff
test eax, eax
cmovs eax, ecx
lea ecx, [esp + 4]
push 0
push ecx
test eax, eax
mov ecx, 0x100
cmovs eax, ecx
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
pop esi
mov ecx, dword [esp + 0x108]
xor ecx, esp
call fcn.0042cfd3
add esp, 0x10c
ret
lea eax, [esp + 0x118]
push eax
push 0
push dword [esp + 0x11c]
lea eax, [esp + 0x14]
push 0xff
push eax
call fcn.00404cbe
mov ecx, dword [eax]
push dword [eax + 4]
or ecx, 1
push ecx
call fcn.00568a7e
add esp, 0x1c
mov byte [esp + 0x107], 0
call fcn.004bd4a0
test eax, eax
jle 0x4bd713
push str.OpenSSL
push 0
call dword [sym.imp.ADVAPI32.dll_RegisterEventSourceA]
mov esi, eax
test esi, esi
je 0x4bd727
push 0
lea eax, [esp + 0xc]
mov dword [esp + 8], eax
lea eax, [esp + 8]
push eax
push 0
push 1
push 0
push 0
push 0
push 1
push esi
call dword [sym.imp.ADVAPI32.dll_ReportEventA]
push esi
call dword [sym.imp.ADVAPI32.dll_DeregisterEventSource]
pop esi
mov ecx, dword [esp + 0x108]
xor ecx, esp
call fcn.0042cfd3
add esp, 0x10c
ret
push 0x10
push str.OpenSSL:_FATAL
lea eax, [esp + 0x10]
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
mov ecx, dword [esp + 0x10c]
pop esi
xor ecx, esp
call fcn.0042cfd3
add esp, 0x10c
ret

Function at 0x4bd880
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.004a8140
add esp, 8
test esi, esi
jg 0x4bd8d7
je 0x4bd8b9
cmp esi, 0xffffffff
jne 0x4bd8d7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004bdb10
add esp, 4
test eax, eax
je 0x4bd8d7
push 0xa
push edi
call fcn.004a8830
add esp, 8
pop edi
mov eax, esi
pop esi
ret
Function at 0x4c34d0
Capabilities:
Send data
Send data on socket

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x20]
cmp dword [eax], 6
je 0x4c34eb
push eax
push esi
call fcn.004c3b80
add esp, 8
test eax, eax
jle 0x4c3533
push edi
push 0
call dword [sym.imp.WS2_32.dll_WSASetLastError]
push 0
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [esi + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
push 0xf
push esi
mov edi, eax
call fcn.004a8140
add esp, 8
test edi, edi
jg 0x4c3530
push edi
call fcn.004bdbd0
add esp, 4
test eax, eax
je 0x4c3530
push 0xa
push esi
call fcn.004a8830
add esp, 8
mov eax, edi
pop edi
pop esi
ret
Function at 0x4c80f0
Capabilities:
Resolve function by parsing pe exports

Disassembly:
mov eax, 0x6c
call fcn.0042d100
mov eax, dword [0x60c254]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x74]
push ebx
mov dword [esp + 0xc], eax
xor ebx, ebx
mov eax, dword [esp + 0x7c]
push ebp
mov ebp, dword [esp + 0x78]
push esi
mov dword [esp + 0x10], eax
xor esi, esi
mov dword [eax], ebx
lea eax, [esp + 0x1c]
push edi
mov edi, dword [esp + 0x8c]
push eax
call fcn.004ae4d0
lea eax, [esp + 0x24]
push ebp
push eax
call fcn.004ae330
add esp, 0xc
test eax, eax
je 0x4c81f2
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x28]
push eax
call fcn.004ae010
add esp, 0xc
test eax, eax
je 0x4c81f2
lea eax, [esp + 0x20]
push eax
call fcn.004ae270
mov esi, dword [ebp]
add esp, 4
test byte [esi + 0xc], 4
je 0x4c8210
push edi
call fcn.004aed00
push ebx
push edi
mov dword [esp + 0x1c], eax
call fcn.004c86c0
mov esi, eax
add esp, 0xc
test esi, esi
je 0x4c81f2
push esi
call fcn.004c90e0
add esp, 4
test eax, eax
jle 0x4c81f2
push dword [ebp]
push ebx
push 1
push 0xf8
push 0xffffffffffffffff
push esi
call fcn.004c8470
add esp, 0x18
test eax, eax
jle 0x4c81f2
push dword [esp + 0x1c]
lea eax, [esp + 0x3c]
push eax
lea eax, [esp + 0x18]
push eax
push dword [esp + 0x24]
push esi
call fcn.004c8ff0
add esp, 0x14
test eax, eax
jle 0x4c81f2
mov ecx, dword [esp + 0x14]
mov ebx, 1
mov eax, dword [esp + 0x10]
mov dword [ecx], eax
push esi
call fcn.004c8660
add esp, 4
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0042cfd3
add esp, 0x6c
ret
xor eax, eax
lea ecx, [esi + 0x2c]
mov edx, dword [ecx]
test edx, edx
je 0x4c8228
cmp dword [edi], edx
je 0x4c8252
inc eax
add ecx, 4
cmp eax, 4
jl 0x4c8215
push 0x7b
push str..cryptoevpp_sign.c
push 0x6e
push 0x6b
push 6
call fcn.004b4e80
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0042cfd3
add esp, 0x6c
ret
mov eax, dword [esi + 0x24]
test eax, eax
jne 0x4c8286
push 0x80
push str..cryptoevpp_sign.c
push 0x68
push 0x6b
push 6
call fcn.004b4e80
add esp, 0x14
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x68]
xor ecx, esp
call fcn.0042cfd3
add esp, 0x6c
ret
push dword [edi + 0x14]
mov ecx, dword [esp + 0x18]
push ecx
push dword [esp + 0x20]
lea ecx, [esp + 0x44]
push dword [esp + 0x28]
push ecx
push dword [esi]
call eax
mov ecx, dword [esp + 0x90]
add esp, 0x18
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042cfd3
add esp, 0x6c
ret
Function at 0x4d1fa0
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov eax, 0x8c
call fcn.0042d100
mov eax, dword [0x60c254]
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 0x4d2006
cmp edi, dword [esi]
je 0x4d1ffd
test ebp, ebp
je 0x4d2080
test ebx, ebx
js 0x4d2080
mov eax, 1
mov dword [esi], edi
jmp 0x4d200c
mov edi, dword [esi]
test edi, edi
je 0x4d2080
test ebp, ebp
je 0x4d219b
push edi
call fcn.004c4a30
add esp, 4
mov dword [esp + 0x14], eax
cmp eax, 0x80
jle 0x4d2040
push str.j____int_sizeof_ctx__key_
push 0x74
push str..cryptohmachmac.c
call fcn.004bd740
mov eax, dword [esp + 0x20]
add esp, 0xc
cmp eax, ebx
jge 0x4d209b
push dword [esp + 0x10]
lea eax, [esi + 4]
push edi
push eax
call fcn.004ae0b0
add esp, 0xc
test eax, eax
je 0x4d2080
push ebx
push ebp
lea ebx, [esi + 4]
push ebx
call fcn.004ae260
add esp, 0xc
test eax, eax
je 0x4d2080
lea ebp, [esi + 0x4c]
push ebp
lea eax, [esi + 0x50]
push eax
push ebx
call fcn.004ae010
add esp, 0xc
test eax, eax
jne 0x4d20b7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0042cfd3
add esp, 0x8c
ret
cmp ebx, 0x80
ja 0x4d2080
push ebx
lea eax, [esi + 0x50]
push ebp
push eax
call fcn.0055c560
lea ebp, [esi + 0x4c]
add esp, 0xc
mov dword [ebp], ebx
mov ecx, dword [ebp]
cmp ecx, 0x80
je 0x4d20da
mov eax, 0x80
sub eax, ecx
push eax
lea eax, [esi + 0x50]
add eax, ecx
push 0
push eax
call fcn.0055d8e0
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 0x4d20e0
push edx
lea ebx, [esi + 0x1c]
push edi
push ebx
call fcn.004ae0b0
add esp, 0xc
test eax, eax
je 0x4d2080
push edi
call fcn.004c4a30
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004ae260
add esp, 0x10
test eax, eax
je 0x4d2080
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 0x4d2130
push dword [esp + 0x10]
lea ebx, [esi + 0x34]
push edi
push ebx
call fcn.004ae0b0
add esp, 0xc
test eax, eax
je 0x4d2080
push edi
call fcn.004c4a30
push eax
lea eax, [esp + 0x20]
push eax
push ebx
call fcn.004ae260
add esp, 0x10
test eax, eax
je 0x4d2080
lea eax, [esi + 0x1c]
push eax
lea eax, [esi + 4]
push eax
call fcn.004ae330
add esp, 8
test eax, eax
je 0x4d2080
mov eax, 1
jmp 0x4d2082
test eax, eax
je 0x4d2179
jmp 0x4d20de
Function at 0x4f92b0
Capabilities:
Encode data using base64

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0x14]
xor ebx, ebx
test esi, esi
jle 0x4f939c
mov edx, dword [esp + 0xc]
push edi
mov edi, dword [esp + 0x14]
inc edi
nop word [eax + eax]
cmp esi, 3
jl 0x4f932d
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 0x4f9381
movzx eax, byte [edi - 1]
shl eax, 0x10
cmp esi, 2
jne 0x4f9341
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 0x4f936b
lea eax, [esi + 0x3c]
jmp 0x4f9378
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 0x4f92d0
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