joyce8/EMBER2024-capa huggingface dataset:
Function at 0x407f80
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x6000]
push edi
or ebp, 0xffffffff
jmp 0x407fa2
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x407fa9
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x407f98
mov eax, 1
add ebx, ebx
jne 0x407fbb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x407fb0
jne 0x407fcc
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x407fb0
xor ecx, ecx
sub eax, 3
jb 0x407fe0
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x408052
mov ebp, eax
add ebx, ebx
jne 0x407feb
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x407ff8
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x40801c
inc ecx
add ebx, ebx
jne 0x408008
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x407ffd
jne 0x408019
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x407ffd
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x40803c
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x40802d
jmp 0x407f9e
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x40803c
add edi, ecx
jmp 0x407f9e
pop esi
mov edi, esi
mov ecx, 0x8f
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x40805a
cmp byte [edi], 0
jne 0x40805a
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 0x40805f
lea edi, [esi + 0x5000]
mov eax, dword [edi]
or eax, eax
je 0x4080d7
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0x8d64]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0x8ddc]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x40808c
mov ecx, edi
jns 0x4080bb
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 + 0x8de4]
or eax, eax
je 0x4080d1
mov dword [ebx], eax
add ebx, 4
jmp 0x4080a9
call dword [esi + 0x8de0]
mov ebp, dword [esi + 0x8de8]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x217]
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 0x40810b
sub esp, 0xffffff80
jmp 0x402130

Function at 0x433003
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
call 0x43300c
nop
nop
nop
nop
nop
pop eax
nop
add eax, 0x40a063
sub eax, 0x40a009
nop
mov ebx, dword [eax]
nop
nop
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
nop
xor dword [ebx], edx
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
jl 0x433030
nop
nop
nop
add eax, 0xc
nop
nop
cmp dword [eax], 0
nop
nop
nop
nop
nop
nop
jne 0x43301e
nop
popal
nop
nop
nop
nop
nop
jmp fcn.00431219
Function at 0x10001030
Capabilities:
Hash data using crc32b

Disassembly:
push ebx
xor edx, edx
push edi
xor eax, eax
test dl, 1
je 0x10001040
mov eax, 0x80
mov ecx, edx
shr ecx, 1
test cl, 1
je 0x1000104c
or eax, 0x40
shr ecx, 1
test cl, 1
je 0x10001056
or eax, 0x20
shr ecx, 1
test cl, 1
je 0x10001060
or eax, 0x10
shr ecx, 1
test cl, 1
je 0x1000106a
or eax, 8
shr ecx, 1
test cl, 1
je 0x10001074
or eax, 4
shr ecx, 1
test cl, 1
je 0x1000107e
or eax, 2
test cl, 2
je 0x10001086
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 0x10001140
test al, 1
je 0x1000114d
mov ebx, 1
shl ebx, cl
or edi, ebx
dec ecx
shr eax, 1
cmp ecx, 0xffffffff
jg 0x10001140
mov dword [esi + edx*4], edi
inc edx
cmp edx, 0xff
jle 0x10001034
pop edi
pop ebx
ret

Function at 0x10001170
Capabilities:
Encode data using xor

Disassembly:
or eax, 0xffffffff
test ecx, ecx
je 0x10001199
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 0x10001180
pop edi
pop ebx
not eax
ret

Function at 0x100011a0
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x408
mov eax, dword [0x1001b018]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push esi
push 0x1001665c
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 0x100011f2
or eax, 0xffffffff
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10013454
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 0x1000123a
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 0x10001220
cmp eax, 0x400
je 0x100011f4
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.10013454
mov esp, ebp
pop ebp
ret 8
Function at 0x10001270
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0x10016664
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 0x100012a2
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 0x100012d0
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 0x10001333
push ebx
lea ebx, [ebx]
mov ecx, eax
mov edx, edi
test eax, eax
je 0x10001319
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 0x100012f8
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 0x100012f0
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 0x10001360
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push 0x1001665c
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 0x10001392
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 0x100013c0
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 0x10001423
push ebx
lea ebx, [ebx]
mov ecx, eax
mov edx, edi
test eax, eax
je 0x10001409
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 0x100013e8
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 0x100013e0
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 0x10001490
Capabilities:
Create tcp socket
Create udp socket
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x198
mov eax, dword [0x1001b018]
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 0x100014c9
xor al, al
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10013454
mov esp, ebp
pop ebp
ret
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [0x10020e74], eax
cmp eax, 0xffffffff
je 0x100014b9
call dword [sym.imp.WS2_32.dll_WSACreateEvent]
mov dword [0x10020e78], eax
test eax, eax
je 0x100014b9
mov ecx, dword [ebp - 4]
xor ecx, ebp
mov dword [0x10120e84], 0x10002f90
mov al, 1
call fcn.10013454
mov esp, ebp
pop ebp
ret

Function at 0x10001510
Capabilities:
Connect socket
Create thread
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x18
mov eax, dword [0x1001b018]
xor eax, ebp
mov dword [ebp - 8], eax
cmp dword [0x10020e74], 0xffffffff
push esi
mov esi, ecx
jne 0x1000155c
push 0x10020060
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
add esp, 8
xor al, al
pop esi
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.10013454
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp + 8]
mov eax, 2
push ecx
mov word [ebp - 0x18], ax
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 0x100015a4
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x100015a4
movsx edx, word [eax + 0xa]
mov eax, dword [eax + 0xc]
mov ecx, dword [eax]
push edx
push ecx
lea edx, [ebp - 0x14]
push edx
call sub.MSVCR100.dll_memcpy
add esp, 0xc
mov ecx, dword [0x10020e74]
push 0x10
lea eax, [ebp - 0x18]
push eax
push ecx
call dword [sym.imp.WS2_32.dll_connect]
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0xffffffff
jne 0x10001608
call esi
cmp eax, 0x2733
je 0x10001608
call esi
push eax
push 0x10020160
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
add esp, 0xc
mov esi, 0x10020e70
call fcn.100016a0
xor al, al
pop esi
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.10013454
mov esp, ebp
pop ebp
ret 4
mov edx, dword [0x10020e78]
mov eax, dword [0x10020e74]
push 0x23
push edx
push eax
call dword [sym.imp.WS2_32.dll_WSAEventSelect]
cmp eax, 0xffffffff
jne 0x1000162c
call esi
push eax
push 0x10020260
jmp 0x100015d3
push 0x80000
push 0
push 0x10020e7c
call sub.MSVCR100.dll_memset
add esp, 0xc
push 0x80000
push 0
push 0x100a0e80
mov dword [0x100a0e7c], 0
call sub.MSVCR100.dll_memset
add esp, 0xc
push 0x1012c21c
push 0
push 0x10020e70
push 0x10001bd0
push 0
push 0
mov dword [0x10120e80], 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [ebp - 8]
mov dword [0x10120ea4], eax
mov al, 1
xor ecx, ebp
mov byte [0x10120ea8], al
pop esi
call fcn.10013454
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 [0x1012c21c], 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 0x10001730
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 0x10001780
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call edi
cmp eax, 0x2733
je 0x100018aa
call edi
push eax
push 0x10020360
jmp 0x100018f2
add dword [esi + 0x8000c], eax
mov eax, dword [esi + 0x8000c]
cmp eax, 4
jl 0x100018aa
mov al, byte [esi + edi + 0xc]
lea edx, [esi + 0xc]
cmp al, 0xc1
jne 0x100017ab
movzx ebx, byte [edi + esi + 0xd]
mov cl, byte [edi + esi + 0xf]
jmp 0x100017ca
cmp al, 0xc2
jne 0x100018e7
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 0x100018b3
cmp ebx, 0x80000
jg 0x100018b3
cmp ebx, dword [esi + 0x8000c]
jg 0x10001881
cmp al, 0xc1
jne 0x1000181d
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 0x10001849
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 0x10001803
jmp 0x10001849
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 0x10001849
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 0x10001831
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 0x10001795
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
test edi, edi
jle 0x100018aa
mov eax, dword [esi + 0x8000c]
test eax, eax
jle 0x100018aa
mov ecx, 0x80000
sub ecx, edi
cmp eax, ecx
jg 0x100018aa
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
push 0x10020560
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
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
push 0x10020460
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
add esp, 0xc
call fcn.100016a0
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x10001920
Capabilities:
Encode data using xor
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x8000c
call fcn.10013e60
mov eax, dword [0x1001b018]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
push 0x10120e8c
mov esi, ecx
mov edi, edx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
cmp dword [0x10020e74], 0xffffffff
je 0x10001a18
cmp byte [0x10120ea8], 0
je 0x10001a18
push esi
lea eax, [ebp - 0x80008]
push edi
push eax
call sub.MSVCR100.dll_memcpy
add esp, 0xc
xor eax, eax
cmp byte [ebp - 0x80008], 0xc1
jne 0x100019aa
mov cl, byte [ebp - 0x80006]
lea edi, [esi - 3]
test edi, edi
jle 0x100019d8
lea esp, [esp]
mov dl, byte [ebp + eax - 0x80005]
xor dl, 0xa0
sub dl, cl
mov byte [ebp + eax - 0x80005], dl
inc eax
cmp eax, edi
jl 0x10001990
jmp 0x100019d8
mov cl, byte [ebp - 0x80005]
lea edi, [esi - 4]
test edi, edi
jle 0x100019d8
jmp 0x100019c0
mov dl, byte [ebp + eax - 0x80004]
xor dl, 0xa0
sub dl, cl
mov byte [ebp + eax - 0x80004], dl
inc eax
cmp eax, edi
jl 0x100019c0
mov eax, dword [0x10120e80]
test eax, eax
jle 0x10001a71
lea ecx, [eax + esi]
cmp ecx, 0x80000
jle 0x10001a36
push ecx
push 0x10020660
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
add esp, 0xc
mov esi, 0x10020e70
call fcn.100016a0
push 0x10120e8c
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10013454
mov esp, ebp
pop ebp
ret
push esi
lea ecx, [ebp - 0x80008]
push ecx
lea edx, [eax + 0x100a0e80]
push edx
call sub.MSVCR100.dll_memcpy
add esp, 0xc
add dword [0x10120e80], esi
push 0x10120e8c
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
mov al, 1
pop ebx
call fcn.10013454
mov esp, ebp
pop ebp
ret
xor edi, edi
test esi, esi
jle 0x10001a53
mov ebx, dword [sym.imp.WS2_32.dll_send]
mov ecx, dword [0x10020e74]
push 0
push esi
lea eax, [ebp + edi - 0x80008]
push eax
push ecx
call ebx
cmp eax, 0xffffffff
je 0x10001aa0
sub esi, eax
add edi, eax
test esi, esi
jg 0x10001a7d
jmp 0x10001a53
mov ebx, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call ebx
cmp eax, 0x2733
jne 0x10001adf
mov eax, dword [0x10120e80]
lea ecx, [eax + esi]
cmp ecx, 0x80000
jle 0x10001aca
push ecx
push 0x10020760
jmp 0x100019f6
push esi
lea edx, [ebp + edi - 0x80008]
push edx
lea eax, [eax + 0x100a0e80]
push eax
jmp 0x10001a45
call ebx
push eax
push 0x10020860
jmp 0x100019f6
Function at 0x10001af0
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 0x10001b49
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 0x10001b59
sub dword [esi + 0x100010], eax
add edi, eax
cmp dword [esi + 0x100010], 0
jg 0x10001b19
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 0x10001b92
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
push 0x10020960
call fcn.10010270
add esp, 4
push eax
push 0
mov ecx, 0x10121028
call fcn.10007950
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 0x10002090
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 0x100020f0
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 0x100020d6
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.100133a0
add esp, 4
mov dword [esi + 4], eax
test eax, eax
jne 0x100020f7
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 0x100020ea
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, 1
pop edi
mov esp, ebp
pop ebp
ret
Function at 0x10002130
Capabilities:
Encode data using xor

Disassembly:
push esi
mov esi, ecx
call fcn.10002090
test al, al
jne 0x1000213e
pop esi
ret
push edi
mov edi, dword [esi + 8]
cmp edi, 8
jae 0x1000214c
pop edi
xor al, al
pop esi
ret
mov edx, dword [esi + 4]
mov eax, 0x10016688
mov ecx, 8
sub edx, eax
push ebx
lea esp, [esp]
mov ebx, dword [edx + eax]
cmp ebx, dword [eax]
jne 0x100021ce
sub ecx, 4
add eax, 4
cmp ecx, 4
jae 0x10002160
add edi, 0xfffffff8
xor eax, eax
test edi, edi
jle 0x100021c3
jmp 0x10002180
mov ecx, dword [esi + 4]
mov edx, eax
and edx, 0x1f
movsx edx, byte [edx + 0x10126054]
and edx, 0xf
movzx edx, byte [edx + 0x10016690]
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 + 0x10016690]
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 0x10002180
mov edi, esi
call fcn.100021e0
pop ebx
pop edi
pop esi
ret
pop ebx
pop edi
xor al, al
pop esi
ret

Function at 0x100021e0
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, 0x2710
idiv ecx
push edx
push 0x100166a0
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 0x10002253
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 0x1000225a
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 0x10002270
Capabilities:
Delete file

Disassembly:
push edi
lea edi, [esi + 0xc]
mov ecx, 0x100166c0
mov eax, edi
jmp 0x10002280
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x100022a0
test dl, dl
je 0x1000229c
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x100022a0
add eax, 2
add ecx, 2
test dl, dl
jne 0x10002280
xor eax, eax
jmp 0x100022a5
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x100022dc
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test eax, eax
je 0x100022dc
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