joyce8/EMBER2024-capa huggingface dataset:
Function at 0x417f3b
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x406171
mov eax, dword fs:[0]
push eax
push ecx
push ebx
push esi
push edi
mov eax, dword [0x40c614]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x10], edi
mov dword [edi + 0x24], 0
mov dword [ebp - 4], 0
mov dword [edi + 0x2c], 0
mov eax, dword [ebp + 8]
mov ebx, dword [ebp + 0x14]
mov edx, dword [ebp + 0x20]
mov esi, dword [ebp + 0x24]
mov dword [edi], eax
mov eax, dword [ebp + 0xc]
mov dword [edi + 4], eax
mov eax, dword [ebp + 0x10]
mov dword [edi + 8], eax
mov eax, dword [ebp + 0x18]
mov dword [edi + 0x10], eax
mov eax, dword [ebp + 0x1c]
mov dword [edi + 0x14], eax
mov al, byte [ebp + 0x28]
mov byte [ebp - 4], 1
mov dword [edi + 0xc], ebx
mov dword [edi + 0x18], edx
mov dword [edi + 0x1c], esi
mov byte [edi + 0x20], al
mov dword [edi + 0x30], 0
test al, al
jne 0x41801a
xor ecx, ecx
mov dword [ebp + 0x28], ecx
test esi, esi
je 0x417fd9
add edx, 0xc
cmp dword [edx], ecx
cmova ecx, dword [edx]
lea edx, [edx + 0x10]
dec esi
jne 0x417fcb
mov dword [ebp + 0x28], ecx
cmp ecx, 0x100000
lea edx, [ebp + 0x28]
mov eax, 0x409e74
cmovbe eax, edx
mov eax, dword [eax]
mov dword [edi + 0x28], eax
add eax, 0xa
push eax
call fcn.0041ac03
mov esi, eax
add esp, 4
mov eax, dword [edi + 0x24]
cmp eax, esi
je 0x418010
push eax
call fcn.0041aebb
add esp, 4
mov dword [edi + 0x24], esi
push 0
call fcn.0041aebb
add esp, 4
xor ecx, ecx
mov eax, ebx
mov edx, 0x40
mul edx
seto cl
neg ecx
or ecx, eax
xor eax, eax
add ecx, 4
setb al
neg eax
or eax, ecx
push eax
call fcn.0041ac03
add esp, 4
mov dword [ebp + 0x28], eax
mov byte [ebp - 4], 2
test eax, eax
je 0x418068
push 0x402c40
push 0x402940
push dword [ebp + 0x14]
mov dword [eax], ebx
lea ebx, [eax + 4]
push 0x40
push ebx
call fcn.0041ad8b
jmp 0x41806a
xor ebx, ebx
mov eax, dword [edi + 0x2c]
mov byte [ebp - 4], 1
cmp eax, ebx
je 0x418098
test eax, eax
je 0x418095
push 0x402c40
push dword [eax - 4]
lea esi, [eax - 4]
push 0x40
push eax
call fcn.0041aded
push esi
call fcn.0041aebb
add esp, 4
mov dword [edi + 0x2c], ebx
mov ecx, edi
call fcn.0041845b
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x24

Function at 0x433002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
call 0x43300c
nop
nop
nop
pop eax
nop
nop
nop
add eax, 0x40a063
sub eax, 0x40a009
nop
nop
nop
nop
nop
mov ebx, dword [eax]
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
cmp ebx, ecx
nop
nop
nop
nop
nop
nop
jl 0x433030
nop
nop
add eax, 0xc
nop
nop
cmp dword [eax], 0
nop
nop
nop
jne 0x43301e
nop
nop
nop
popal
nop
nop
nop
nop
nop
jmp 0x431219
Function at 0x42e410
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x1c000]
push edi
jmp 0x42e42a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x42e431
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x42e420
mov eax, 1
add ebx, ebx
jne 0x42e443
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x42e438
jne 0x42e454
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x42e438
xor ecx, ecx
sub eax, 3
jb 0x42e468
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x42e4da
mov ebp, eax
add ebx, ebx
jne 0x42e473
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x42e480
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x42e4a4
inc ecx
add ebx, ebx
jne 0x42e490
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x42e485
jne 0x42e4a1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x42e485
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x42e4c4
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x42e4b5
jmp 0x42e426
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x42e4c4
add edi, ecx
jmp 0x42e426
pop esi
mov edi, esi
mov ecx, 0xa88
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x42e4e2
cmp byte [edi], 0x12
jne 0x42e4e2
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x42e4e7
lea edi, [esi + 0x2c000]
mov eax, dword [edi]
or eax, eax
je 0x42e55f
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x33054]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x33134]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x42e514
mov ecx, edi
jns 0x42e543
movzx eax, word [edi]
inc edi
push eax
inc edi
mov ecx, 0xaef24857
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0x3313c]
or eax, eax
je 0x42e559
mov dword [ebx], eax
add ebx, 4
jmp 0x42e531
call dword [esi + 0x33138]
mov ebp, dword [esi + 0x33140]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x17f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x42e593
sub esp, 0xffffff80
jmp 0x41c35f

Function at 0x430002
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
call 0x43000c
nop
nop
nop
nop
nop
pop eax
add eax, 0x403d6f
nop
sub eax, 0x403d15
nop
nop
nop
mov ebx, dword [eax]
nop
nop
mov ecx, dword [eax + 4]
nop
nop
nop
nop
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
xor dword [ebx], edx
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
jl 0x430030
nop
nop
add eax, 0xc
nop
nop
nop
nop
nop
nop
cmp dword [eax], 0
nop
nop
jne 0x43001e
nop
nop
nop
popal
nop
nop
nop
nop
jmp fcn.00401219
Function at 0x10001000
Capabilities:
Hash data using crc32b

Disassembly:
push ebx
xor edx, edx
push edi
xor eax, eax
test dl, 1
je 0x10001010
mov eax, 0x80
mov ecx, edx
shr ecx, 1
test cl, 1
je 0x1000101c
or eax, 0x40
shr ecx, 1
test cl, 1
je 0x10001026
or eax, 0x20
shr ecx, 1
test cl, 1
je 0x10001030
or eax, 0x10
shr ecx, 1
test cl, 1
je 0x1000103a
or eax, 8
shr ecx, 1
test cl, 1
je 0x10001044
or eax, 4
shr ecx, 1
test cl, 1
je 0x1000104e
or eax, 2
test cl, 2
je 0x10001056
or eax, 1
shl eax, 0x18
mov ecx, eax
and eax, 0x80000000
neg eax
sbb eax, eax
add ecx, ecx
and eax, 0x4c11db7
xor eax, ecx
mov ecx, eax
and ecx, 0x80000000
neg ecx
sbb ecx, ecx
and ecx, 0x4c11db7
add eax, eax
xor ecx, eax
mov eax, ecx
and eax, 0x80000000
neg eax
sbb eax, eax
add ecx, ecx
and eax, 0x4c11db7
xor eax, ecx
mov ecx, eax
and ecx, 0x80000000
neg ecx
sbb ecx, ecx
and ecx, 0x4c11db7
add eax, eax
xor ecx, eax
mov eax, ecx
and eax, 0x80000000
neg eax
sbb eax, eax
add ecx, ecx
and eax, 0x4c11db7
xor eax, ecx
mov ecx, eax
and ecx, 0x80000000
neg ecx
sbb ecx, ecx
and ecx, 0x4c11db7
add eax, eax
xor ecx, eax
mov eax, ecx
and eax, 0x80000000
neg eax
sbb eax, eax
add ecx, ecx
and eax, 0x4c11db7
xor eax, ecx
mov ecx, eax
and ecx, 0x80000000
neg ecx
sbb ecx, ecx
and ecx, 0x4c11db7
add eax, eax
xor ecx, eax
xor edi, edi
mov dword [esi + edx*4], ecx
mov eax, ecx
lea ecx, [edi + 0x1f]
jmp 0x10001110
test al, 1
je 0x1000111d
mov ebx, 1
shl ebx, cl
or edi, ebx
dec ecx
shr eax, 1
cmp ecx, 0xffffffff
jg 0x10001110
mov dword [esi + edx*4], edi
inc edx
cmp edx, 0xff
jle 0x10001004
pop edi
pop ebx
ret

Function at 0x10001140
Capabilities:
Encode data using xor

Disassembly:
or eax, 0xffffffff
test ecx, ecx
je 0x10001169
push ebx
push edi
lea esp, [esp]
movzx ebx, byte [edx]
mov edi, eax
and edi, 0xff
xor edi, ebx
shr eax, 8
xor eax, dword [esi + edi*4]
inc edx
dec ecx
jne 0x10001150
pop edi
pop ebx
not eax
ret

Function at 0x10001170
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x408
mov eax, dword [0x10025018]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push esi
push 0x1001c644
push eax
lea eax, [ebp - 0x408]
push eax
or esi, 0xffffffff
mov dword [ebp - 0x408], 0
call dword [sym.imp.MSVCR100.dll__wfopen_s]
add esp, 0xc
test eax, eax
je 0x100011c2
or eax, 0xffffffff
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10018c88
mov esp, ebp
pop ebp
ret 8
push ebx
push edi
mov ecx, dword [ebp - 0x408]
push ecx
push 0x400
lea edx, [ebp - 0x404]
push 1
push edx
call dword [sym.imp.MSVCR100.dll_fread]
add esp, 0x10
mov ecx, eax
lea edx, [ebp - 0x404]
test eax, eax
je 0x1000120a
mov edi, edi
movzx ebx, byte [edx]
mov edi, esi
and edi, 0xff
xor edi, ebx
mov ebx, dword [ebp + 8]
shr esi, 8
xor esi, dword [ebx + edi*4]
inc edx
dec ecx
jne 0x100011f0
cmp eax, 0x400
je 0x100011c4
mov eax, dword [ebp - 0x408]
push eax
call dword [sym.imp.MSVCR100.dll_fclose]
mov ecx, dword [ebp - 4]
add esp, 4
pop edi
mov eax, esi
pop ebx
xor ecx, ebp
not eax
pop esi
call fcn.10018c88
mov esp, ebp
pop ebp
ret 8
Function at 0x10001240
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0x1001c64c
push eax
lea ecx, [ebp - 4]
push ecx
mov dword [esi], 0xffffffff
mov dword [ebp - 4], 0
call dword [sym.imp.MSVCR100.dll_fopen_s]
add esp, 0xc
test eax, eax
je 0x10001272
xor al, al
mov esp, ebp
pop ebp
ret 4
push edi
push 0x400
call dword [sym.imp.MSVCR100.dll_malloc]
mov edi, eax
add esp, 4
mov dword [ebp - 8], edi
test edi, edi
jne 0x100012a0
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.MSVCR100.dll_fclose]
add esp, 4
xor al, al
pop edi
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp - 4]
push eax
push 0x400
push 1
push edi
call dword [sym.imp.MSVCR100.dll_fread]
add esp, 0x10
test eax, eax
je 0x10001303
push ebx
lea ebx, [ebx]
mov ecx, eax
mov edx, edi
test eax, eax
je 0x100012e9
mov eax, dword [esi]
movzx ebx, byte [edx]
mov edi, eax
and edi, 0xff
xor edi, ebx
mov ebx, dword [ebp + 8]
shr eax, 8
xor eax, dword [ebx + edi*4]
inc edx
dec ecx
mov dword [esi], eax
jne 0x100012c8
mov edi, dword [ebp - 8]
mov ecx, dword [ebp - 4]
push ecx
push 0x400
push 1
push edi
call dword [sym.imp.MSVCR100.dll_fread]
add esp, 0x10
test eax, eax
jne 0x100012c0
pop ebx
push edi
call dword [sym.imp.MSVCR100.dll_free]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.MSVCR100.dll_fclose]
mov eax, dword [esi]
not eax
add esp, 8
mov dword [esi], eax
mov al, 1
pop edi
mov esp, ebp
pop ebp
ret 4

Function at 0x10001330
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0x1001c644
push eax
lea ecx, [ebp - 4]
push ecx
mov dword [esi], 0xffffffff
mov dword [ebp - 4], 0
call dword [sym.imp.MSVCR100.dll__wfopen_s]
add esp, 0xc
test eax, eax
je 0x10001362
xor al, al
mov esp, ebp
pop ebp
ret 4
push edi
push 0x400
call dword [sym.imp.MSVCR100.dll_malloc]
mov edi, eax
add esp, 4
mov dword [ebp - 8], edi
test edi, edi
jne 0x10001390
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.MSVCR100.dll_fclose]
add esp, 4
xor al, al
pop edi
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp - 4]
push eax
push 0x400
push 1
push edi
call dword [sym.imp.MSVCR100.dll_fread]
add esp, 0x10
test eax, eax
je 0x100013f3
push ebx
lea ebx, [ebx]
mov ecx, eax
mov edx, edi
test eax, eax
je 0x100013d9
mov eax, dword [esi]
movzx ebx, byte [edx]
mov edi, eax
and edi, 0xff
xor edi, ebx
mov ebx, dword [ebp + 8]
shr eax, 8
xor eax, dword [ebx + edi*4]
inc edx
dec ecx
mov dword [esi], eax
jne 0x100013b8
mov edi, dword [ebp - 8]
mov ecx, dword [ebp - 4]
push ecx
push 0x400
push 1
push edi
call dword [sym.imp.MSVCR100.dll_fread]
add esp, 0x10
test eax, eax
jne 0x100013b0
pop ebx
push edi
call dword [sym.imp.MSVCR100.dll_free]
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.MSVCR100.dll_fclose]
mov eax, dword [esi]
not eax
add esp, 8
mov dword [esi], eax
mov al, 1
pop edi
mov esp, ebp
pop ebp
ret 4
Function at 0x10001460
Capabilities:
Create tcp socket
Create udp socket
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x198
mov eax, dword [0x10025018]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x198]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x10001499
xor al, al
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10018c88
mov esp, ebp
pop ebp
ret
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [0x100253bc], eax
cmp eax, 0xffffffff
je 0x10001489
call dword [sym.imp.WS2_32.dll_WSACreateEvent]
mov dword [0x100253c0], eax
test eax, eax
je 0x10001489
mov ecx, dword [ebp - 4]
xor ecx, ebp
mov dword [0x101253cc], 0x100022d0
mov al, 1
call fcn.10018c88
mov esp, ebp
pop ebp
ret

Function at 0x100014e0
Capabilities:
Connect socket
Encode data using xor
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x10025018]
xor eax, ebp
mov dword [ebp - 8], eax
cmp dword [0x100253bc], 0xffffffff
push esi
push edi
mov esi, ecx
jne 0x10001555
push 0x100
push 0
push 0x112831a0
call sub.MSVCR100.dll_memset
add esp, 0xc
xor eax, eax
mov cl, byte [eax + 0x1001c770]
sub cl, 0x1b
xor cl, 0xc
mov byte [eax + 0x112831a0], cl
inc eax
cmp eax, 0x100
jb 0x10001513
push 0x112831a0
push 0
mov ecx, 0x10125568
call fcn.1000aff0
add esp, 8
xor al, al
pop edi
pop esi
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.10018c88
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp + 8]
mov edx, 2
push eax
mov word [ebp - 0x18], dx
call dword [sym.imp.WS2_32.dll_htons]
push esi
mov word [ebp - 0x16], ax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov dword [ebp - 0x14], eax
cmp eax, 0xffffffff
jne 0x1000159d
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x1000159d
movsx ecx, word [eax + 0xa]
mov edx, dword [eax + 0xc]
mov eax, dword [edx]
push ecx
push eax
lea ecx, [ebp - 0x14]
push ecx
call sub.MSVCR100.dll_memcpy
add esp, 0xc
mov eax, dword [0x100253bc]
push 0x10
lea edx, [ebp - 0x18]
push edx
push eax
call dword [sym.imp.WS2_32.dll_connect]
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0xffffffff
jne 0x100015fe
call esi
cmp eax, 0x2733
je 0x100015fe
call esi
push eax
mov eax, 2
call fcn.10015720
push eax
push 0
mov ecx, 0x10125568
call fcn.1000aff0
add esp, 0xc
mov esi, 0x100253b8
call fcn.100016a0
xor al, al
pop edi
pop esi
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.10018c88
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [0x100253c0]
mov edx, dword [0x100253bc]
push 0x23
push ecx
push edx
call dword [sym.imp.WS2_32.dll_WSAEventSelect]
cmp eax, 0xffffffff
jne 0x10001623
call esi
push eax
mov eax, 3
jmp 0x100015cb
push 0x80000
push 0
push 0x100253c4
call sub.MSVCR100.dll_memset
add esp, 0xc
push 0x80000
push 0
push 0x100a53c8
mov dword [0x100a53c4], 0
call sub.MSVCR100.dll_memset
add esp, 0xc
mov edx, 0x11282e48
mov ecx, 0x100253b8
mov edi, 0x10001c50
mov dword [0x101253c8], 0
call fcn.100159d0
mov ecx, dword [ebp - 8]
pop edi
mov dword [0x101253ec], eax
xor ecx, ebp
mov byte [0x101253f0], 1
mov al, 1
pop esi
call fcn.10018c88
mov esp, ebp
pop ebp
ret 4
Function at 0x100016a0
Capabilities:
Terminate thread

Disassembly:
push ebx
xor ebx, ebx
cmp dword [esi + 0x100034], ebx
je 0x100016d6
mov dword [0x11282e48], 0xffffffff
mov eax, dword [esi + 0x100034]
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_TerminateThread]
mov ecx, dword [esi + 0x100034]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi + 0x100034], ebx
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x100016ec
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov dword [esi + 4], 0xffffffff
mov eax, dword [esi + 8]
cmp eax, ebx
je 0x100016fd
push eax
call dword [sym.imp.WS2_32.dll_WSACloseEvent]
mov dword [esi + 8], ebx
mov byte [esi + 0x100038], bl
pop ebx
ret
Function at 0x10001710
Capabilities:
Encode data using xor
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
push edi
mov esi, eax
mov eax, dword [esi + 0x8000c]
xor edi, edi
push edi
mov ecx, 0x80000
sub ecx, eax
push ecx
lea edx, [eax + esi + 0xc]
mov eax, dword [esi + 4]
push edx
push eax
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x10001760
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call edi
cmp eax, 0x2733
je 0x1000188a
call edi
push eax
mov eax, 4
jmp 0x100018cf
add dword [esi + 0x8000c], eax
mov eax, dword [esi + 0x8000c]
cmp eax, 4
jl 0x1000188a
mov al, byte [esi + edi + 0xc]
lea edx, [esi + 0xc]
cmp al, 0xc1
jne 0x1000178b
movzx ebx, byte [edi + esi + 0xd]
mov cl, byte [edi + esi + 0xf]
jmp 0x100017aa
cmp al, 0xc2
jne 0x100018c4
movzx ecx, byte [edi + esi + 0xd]
shl cx, 8
movzx ebx, cx
movzx ecx, byte [edi + esi + 0xe]
or ebx, ecx
mov cl, byte [edi + esi + 0x10]
cmp ebx, 4
jl 0x10001893
cmp ebx, 0x80000
jg 0x10001893
cmp ebx, dword [esi + 0x8000c]
jg 0x10001861
cmp al, 0xc1
jne 0x100017fd
mov dl, byte [edi + esi + 0xe]
mov byte [ebp - 4], dl
lea edx, [ebx - 3]
xor eax, eax
lea ecx, [edi + esi + 0xf]
test edx, edx
jle 0x10001829
mov dl, byte [ecx + eax]
add dl, byte [ebp - 4]
lea ecx, [edi + esi + 0xf]
xor dl, 0xa0
mov byte [ecx + eax], dl
inc eax
lea edx, [ebx - 3]
cmp eax, edx
jl 0x100017e3
jmp 0x10001829
mov cl, byte [edi + esi + 0xf]
lea edx, [ebx - 4]
xor eax, eax
mov byte [ebp - 4], cl
lea ecx, [edi + esi + 0x10]
test edx, edx
jle 0x10001829
mov dl, byte [ecx + eax]
add dl, byte [ebp - 4]
lea ecx, [edi + esi + 0x10]
xor dl, 0xa0
mov byte [ecx + eax], dl
inc eax
lea edx, [ebx - 4]
cmp eax, edx
jl 0x10001811
mov al, byte [ecx]
mov edx, dword [esi + 0x100014]
mov byte [ebp - 8], al
mov ecx, dword [ebp - 8]
push ebx
lea eax, [esi + edi + 0xc]
push eax
push ecx
call edx
sub dword [esi + 0x8000c], ebx
add esp, 0xc
add edi, ebx
cmp dword [esi + 0x8000c], 0
jg 0x10001775
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
test edi, edi
jle 0x1000188a
mov eax, dword [esi + 0x8000c]
test eax, eax
jle 0x1000188a
mov ecx, 0x80000
sub ecx, edi
cmp eax, ecx
jg 0x1000188a
push eax
lea eax, [edi + esi + 0xc]
push eax
push edx
call dword [sym.imp.MSVCR100.dll_memmove]
add esp, 0xc
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx ecx, cl
push ecx
movzx edx, al
push ebx
push edx
mov eax, 6
call fcn.10015720
push eax
push 0
mov ecx, 0x10125568
call fcn.1000aff0
add esp, 0x14
call fcn.100016a0
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx eax, byte [edi + esi + 0xc]
push eax
mov eax, 5
call fcn.10015720
push eax
push 0
mov ecx, 0x10125568
call fcn.1000aff0
add esp, 0xc
call fcn.100016a0
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x10001b70
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, eax
push edi
lea ebx, [esi + 0x10001c]
push ebx
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
xor edi, edi
cmp dword [esi + 0x100010], edi
jle 0x10001bc9
lea ebx, [esi + 0x80010]
mov eax, dword [esi + 0x100010]
mov edx, dword [esi + 4]
push 0
push eax
lea ecx, [ebx + edi]
push ecx
push edx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
je 0x10001bd9
sub dword [esi + 0x100010], eax
add edi, eax
cmp dword [esi + 0x100010], 0
jg 0x10001b99
mov ebx, dword [ebp - 4]
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x2733
jne 0x10001c12
mov eax, dword [esi + 0x100010]
push eax
lea ecx, [edi + esi + 0x80010]
push ecx
push ebx
call dword [sym.imp.MSVCR100.dll_memmove]
mov edx, dword [ebp - 4]
add esp, 0xc
push edx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, 0xa
call fcn.10015720
push eax
push 0
mov ecx, 0x10125568
call fcn.1000aff0
add esp, 0xc
call fcn.100016a0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x10001fc0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push edi
push 0
push 0x20
push 3
push 0
push 1
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x10002020
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [esi + 8], eax
mov eax, dword [esi + 4]
test eax, eax
je 0x10002006
push eax
call dword [sym.imp.MSVCR100.dll_void___cdecl_operator_delete___void__]
add esp, 4
mov dword [esi + 4], 0
mov ecx, dword [esi + 8]
push ecx
call fcn.10018bb0
add esp, 4
mov dword [esi + 4], eax
test eax, eax
jne 0x10002027
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor al, al
pop edi
mov esp, ebp
pop ebp
ret
mov ecx, dword [esi + 8]
push 0
lea edx, [ebp - 4]
push edx
push ecx
push eax
push edi
mov dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
push edi
test eax, eax
je 0x1000201a
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x10002060
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, ecx
call fcn.10001fc0
test al, al
jne 0x1000206e
pop esi
ret
push edi
mov edi, dword [esi + 8]
cmp edi, 8
jae 0x1000207c
pop edi
xor al, al
pop esi
ret
mov edx, dword [esi + 4]
mov eax, 0x1001f870
mov ecx, 8
sub edx, eax
push ebx
lea esp, [esp]
mov ebx, dword [edx + eax]
cmp ebx, dword [eax]
jne 0x100020fe
sub ecx, 4
add eax, 4
cmp ecx, 4
jae 0x10002090
add edi, 0xfffffff8
xor eax, eax
test edi, edi
jle 0x100020f3
jmp 0x100020b0
mov ecx, dword [esi + 4]
mov edx, eax
and edx, 0x1f
movsx edx, byte [edx + 0x1012a594]
and edx, 0xf
movzx edx, byte [edx + 0x1001f878]
sub byte [ecx + eax + 8], dl
lea ecx, [ecx + eax + 8]
mov ecx, dword [esi + 4]
mov edx, eax
and edx, 0xf
movzx edx, byte [edx + 0x1001f878]
xor byte [ecx + eax + 8], dl
lea ecx, [ecx + eax + 8]
mov ecx, dword [esi + 8]
inc eax
sub ecx, 8
cmp eax, ecx
jl 0x100020b0
mov edi, esi
call fcn.10002110
pop ebx
pop edi
pop esi
ret
pop ebx
pop edi
xor al, al
pop esi
ret

Function at 0x10002110
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
lea esi, [edi + 0xc]
call dword [sym.imp.MSVCR100.dll_rand]
cdq
mov ecx, 0x3e8
idiv ecx
push edx
push 0x1001f888
push esi
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0xc
push 0
push 0x102
push 2
push 0
push 7
push 0x40000000
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x10002183
mov eax, dword [edi + 8]
mov ecx, dword [edi + 4]
push 0
lea edx, [ebp - 4]
push edx
sub eax, 8
push eax
add ecx, 8
push ecx
push esi
mov dword [ebp - 4], 0
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
test eax, eax
jne 0x1000218a
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor al, al
pop esi
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x100021a0
Capabilities:
Delete file

Disassembly:
push edi
lea edi, [esi + 0xc]
mov ecx, 0x1001f8a0
mov eax, edi
jmp 0x100021b0
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x100021d0
test dl, dl
je 0x100021cc
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x100021d0
add eax, 2
add ecx, 2
test dl, dl
jne 0x100021b0
xor eax, eax
jmp 0x100021d5
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x1000220c
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test eax, eax
je 0x1000220c
mov eax, dword [esi + 4]
push eax
call dword [sym.imp.MSVCR100.dll_void___cdecl_operator_delete___void__]
push 0x100
push 0
push edi
mov dword [esi + 4], 0
mov dword [esi + 8], 0
call sub.MSVCR100.dll_memset
add esp, 0x10
pop edi
ret