joyce8/EMBER2024-capa huggingface dataset:
Function at 0x10003770
Capabilities:
Encode data using xor
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push edi
mov edi, dword [ebp + 0xc]
lea eax, [ebp + 0xc]
push 0x10014714
push dword [ebp + 8]
mov dword [ebp - 4], ecx
push eax
mov dword [edi], 0xffffffff
mov dword [ebp + 0xc], 0
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll__wfopen_s]
add esp, 0xc
test eax, eax
je 0x100037aa
xor al, al
pop edi
mov esp, ebp
pop ebp
ret 0xc
push ebx
push 0x400
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_malloc]
add esp, 4
mov ebx, eax
mov dword [ebp + 8], ebx
push dword [ebp + 0xc]
test ebx, ebx
jne 0x100037d8
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
add esp, 4
xor al, al
pop ebx
pop edi
mov esp, ebp
pop ebp
ret 0xc
push 0x400
push 1
push ebx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
add esp, 0x10
test eax, eax
je 0x10003830
push esi
nop
mov esi, ebx
test eax, eax
je 0x10003817
mov ebx, dword [edi]
lea esi, [esi + 1]
movzx ecx, byte [esi - 1]
movzx edx, bl
xor edx, ecx
shr ebx, 8
mov ecx, dword [ebp - 4]
xor ebx, dword [ecx + edx*4]
mov dword [edi], ebx
sub eax, 1
jne 0x100037f6
mov ebx, dword [ebp + 8]
push dword [ebp + 0xc]
push 0x400
push 1
push ebx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
add esp, 0x10
test eax, eax
jne 0x100037f0
pop esi
push ebx
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
push dword [ebp + 0xc]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
not dword [edi]
add esp, 8
mov al, 1
pop ebx
pop edi
mov esp, ebp
pop ebp
ret 0xc

Function at 0x100038a0
Capabilities:
Create tcp socket
Create udp socket
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x19c
mov eax, dword [0x1001800c]
xor eax, ebp
mov dword [ebp - 8], eax
lea eax, [ebp - 0x19c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x100038db
xor al, al
mov ecx, dword [ebp - 8]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 4
push 0
push 1
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [0x1001af3c], eax
cmp eax, 0xffffffff
je 0x100038c9
call dword [sym.imp.WS2_32.dll_WSACreateEvent]
mov dword [0x1001af40], eax
test eax, eax
je 0x100038c9
mov ecx, dword [ebp - 8]
mov al, 1
xor ecx, ebp
mov dword [0x1011af4c], 0x10004900
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 4
Function at 0x10003920
Capabilities:
Connect socket
Create thread
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x1001800c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x1001af3c], 0xffffffff
push esi
mov esi, dword [ebp + 8]
jne 0x1000396a
mov ecx, str.rjj
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0xc
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
push dword [ebp + 0xc]
mov eax, 2
mov word [ebp - 0x14], ax
call dword [sym.imp.WS2_32.dll_htons]
push esi
mov word [ebp - 0x12], ax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov dword [ebp - 0x10], eax
cmp eax, 0xffffffff
jne 0x100039b0
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
test eax, eax
je 0x100039b0
movsx ecx, word [eax + 0xa]
mov eax, dword [eax + 0xc]
push ecx
push dword [eax]
lea eax, [ebp - 0x10]
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
push 0x10
lea eax, [ebp - 0x14]
push eax
push dword [0x1001af3c]
call dword [sym.imp.WS2_32.dll_connect]
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0xffffffff
jne 0x10003a10
call esi
cmp eax, 0x2733
je 0x10003a10
call esi
mov ecx, 0x10018c28
push eax
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0x10
mov ecx, 0x1001af38
call fcn.10003ab0
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
push 0x23
push dword [0x1001af40]
push dword [0x1001af3c]
call dword [sym.imp.WS2_32.dll_WSAEventSelect]
cmp eax, 0xffffffff
jne 0x10003a32
call esi
mov ecx, 0x10018b28
jmp 0x100039dd
push 0x80000
push 0
push 0x1001af44
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov dword [0x1009af44], 0
push 0x80000
push 0
push 0x1009af48
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov dword [0x1011af48], 0
push 0x10126054
push 0
push 0x1001af38
push 0x10003f90
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [ebp - 4]
mov dword [0x1011af6c], eax
xor ecx, ebp
mov byte [0x1011af70], 1
mov al, 1
pop esi
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8

Function at 0x10003ab0
Capabilities:
Terminate thread

Disassembly:
push esi
mov esi, ecx
cmp dword [esi + 0x100034], 0
je 0x10003aea
push 0
mov dword [0x10126054], 0xffffffff
push dword [esi + 0x100034]
call dword [sym.imp.KERNEL32.dll_TerminateThread]
push dword [esi + 0x100034]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi + 0x100034], 0
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x10003b00
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov dword [esi + 4], 0xffffffff
mov eax, dword [esi + 8]
test eax, eax
je 0x10003b15
push eax
call dword [sym.imp.WS2_32.dll_WSACloseEvent]
mov dword [esi + 8], 0
mov byte [esi + 0x100038], 0
pop esi
ret
Function at 0x10003b40
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
mov esi, ecx
mov dword [ebp - 8], 0
push edi
push 0
mov eax, 0x80000
mov ecx, dword [esi + 0x8000c]
sub eax, ecx
push eax
lea eax, [esi + 0xc]
add eax, ecx
push eax
push dword [esi + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x10003b95
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call edi
cmp eax, 0x2733
je 0x10003c94
call edi
mov ecx, 0x10018a28
jmp 0x10003cda
add dword [esi + 0x8000c], eax
cmp dword [esi + 0x8000c], 4
jl 0x10003c94
xor ecx, ecx
lea edi, [esi + 0xc]
lea eax, [edi + ecx]
mov dword [ebp - 0xc], eax
mov al, byte [eax]
cmp al, 0xc1
jne 0x10003bc6
movzx ebx, byte [ecx + esi + 0xd]
mov dl, al
mov al, byte [ecx + esi + 0xf]
jmp 0x10003be7
cmp al, 0xc2
jne 0x10003cd0
mov dl, al
movzx eax, byte [ecx + esi + 0xd]
shl ax, 8
movzx ebx, ax
movzx eax, byte [ecx + esi + 0xe]
or ebx, eax
mov al, byte [ecx + esi + 0x10]
cmp ebx, 4
jl 0x10003c9d
cmp ebx, 0x80000
jg 0x10003c9d
cmp ebx, dword [esi + 0x8000c]
jg 0x10003c6a
lea edi, [ecx + esi]
cmp dl, 0xc1
jne 0x10003c22
movzx eax, byte [ecx + esi + 0xe]
lea edx, [ebx - 3]
push eax
lea ecx, [edi + 0xf]
call fcn.1000f830
mov al, byte [edi + 0xf]
jmp 0x10003c36
movzx eax, byte [ecx + esi + 0xf]
lea edx, [ebx - 4]
push eax
lea ecx, [edi + 0x10]
call fcn.1000f830
mov al, byte [edi + 0x10]
add esp, 4
mov byte [ebp - 4], al
mov eax, dword [esi + 0x100014]
push ebx
push dword [ebp - 0xc]
push dword [ebp - 4]
call eax
mov ecx, dword [ebp - 8]
add esp, 0xc
sub dword [esi + 0x8000c], ebx
add ecx, ebx
cmp dword [esi + 0x8000c], 0
mov dword [ebp - 8], ecx
jle 0x10003c94
jmp 0x10003baa
test ecx, ecx
jle 0x10003c94
mov eax, dword [esi + 0x8000c]
test eax, eax
jle 0x10003c94
mov edx, 0x80000
sub edx, ecx
cmp eax, edx
jg 0x10003c94
push eax
lea eax, [esi + 0xc]
add eax, ecx
push eax
push edi
call dword [sym.imp.VCRUNTIME140.dll_memmove]
add esp, 0xc
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx eax, al
mov ecx, 0x10018828
push eax
movzx eax, dl
push ebx
push eax
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0x18
mov ecx, esi
call fcn.10003ab0
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx eax, byte [ecx + esi + 0xc]
mov ecx, 0x10018928
push eax
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0x10
mov ecx, esi
call fcn.10003ab0
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x10003d00
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, 0x8000c
call fcn.10012100
mov eax, dword [0x1001800c]
xor eax, esp
mov dword [esp + 0x80008], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
push 0x1011af54
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ebx, dword [0x1001af3c]
cmp ebx, 0xffffffff
je 0x10003db9
cmp byte [0x1011af70], 0
je 0x10003db9
mov esi, dword [ebp + 0xc]
lea eax, [esp + 0x10]
push esi
push edi
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
cmp byte [esp + 0x10], 0xc1
jne 0x10003d69
push dword [esp + 0x12]
lea edx, [esi - 3]
lea ecx, [esp + 0x17]
jmp 0x10003d74
push dword [esp + 0x13]
lea edx, [esi - 4]
lea ecx, [esp + 0x18]
call fcn.1000f8d0
mov eax, dword [0x1011af48]
add esp, 4
test eax, eax
jle 0x10003e1c
lea ecx, [eax + esi]
cmp ecx, 0x80000
jle 0x10003ddd
push ecx
mov ecx, 0x10018728
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0x10
mov ecx, 0x1001af38
call fcn.10003ab0
push 0x1011af54
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
xor al, al
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x80008]
xor ecx, esp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
push esi
lea ecx, [esp + 0x14]
push ecx
lea eax, [eax + 0x1009af48]
push eax
call sub.VCRUNTIME140.dll_memcpy
add esp, 0xc
add dword [0x1011af48], esi
push 0x1011af54
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov al, 1
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x80008]
xor ecx, esp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
xor edi, edi
test esi, esi
jle 0x10003df8
push 0
push esi
lea eax, [esp + 0x18]
add eax, edi
push eax
push ebx
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
je 0x10003e48
sub esi, eax
add edi, eax
test esi, esi
jle 0x10003df8
mov ebx, dword [0x1001af3c]
jmp 0x10003e22
mov ebx, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call ebx
cmp eax, 0x2733
jne 0x10003eb3
mov ecx, dword [0x1011af48]
lea eax, [ecx + esi]
cmp eax, 0x80000
jle 0x10003e72
push eax
mov ecx, 0x10018628
jmp 0x10003d9a
lea eax, [esp + 0x10]
add eax, edi
push esi
push eax
lea eax, [ecx + 0x1009af48]
push eax
call sub.VCRUNTIME140.dll_memcpy
add dword [0x1011af48], esi
add esp, 0xc
push 0x1011af54
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov ecx, dword [esp + 0x80014]
mov al, 1
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
call ebx
push eax
mov ecx, 0x10018528
jmp 0x10003d9a
Function at 0x10003ec0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
push esi
mov esi, ecx
push edi
lea ebx, [esi + 0x10001c]
push ebx
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
xor edi, edi
cmp dword [esi + 0x100010], edi
jle 0x10003f12
lea eax, [esi + 0x80010]
push 0
push dword [esi + 0x100010]
add eax, edi
push eax
push dword [esi + 4]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
je 0x10003f1f
sub dword [esi + 0x100010], eax
add edi, eax
cmp dword [esi + 0x100010], 0
lea eax, [esi + 0x80010]
jg 0x10003ee2
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov al, 1
pop edi
pop esi
pop ebx
ret
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp eax, 0x2733
jne 0x10003f58
push dword [esi + 0x100010]
lea eax, [esi + 0x80010]
add eax, edi
push eax
lea eax, [esi + 0x80010]
push eax
call dword [sym.imp.VCRUNTIME140.dll_memmove]
add esp, 0xc
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov al, 1
pop edi
pop esi
pop ebx
ret
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov ecx, 0x10018428
call fcn.1000fb90
push eax
push 0
push 0x1011b140
call fcn.10008a00
add esp, 0x10
mov ecx, esi
call fcn.10003ab0
push ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
pop edi
pop esi
xor al, al
pop ebx
ret

Function at 0x10004480
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
push 0
push 0x20
push 3
push 0
push 1
push closesocket
push dword [ebp + 8]
mov edi, ecx
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x100044e2
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [edi + 8], eax
mov eax, dword [edi + 4]
test eax, eax
je 0x100044c9
push eax
call fcn.100112ec
add esp, 4
mov dword [edi + 4], 0
push dword [edi + 8]
call fcn.100112f1
add esp, 4
mov dword [edi + 4], eax
test eax, eax
jne 0x100044ea
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
xor al, al
pop esi
pop ebp
ret 4
push 0
lea ecx, [ebp + 8]
mov dword [ebp + 8], 0
push ecx
push dword [edi + 8]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
test eax, eax
je 0x100044dc
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
mov al, 1
pop esi
pop ebp
ret 4

Function at 0x10004520
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
push dword [ebp + 8]
mov esi, ecx
call fcn.10004480
test al, al
je 0x100045a5
mov ecx, dword [esi + 8]
cmp ecx, 8
jb 0x100045a5
mov edx, dword [esi + 4]
mov eax, dword [edx]
cmp eax, dword [0x1001476c]
jne 0x100045a5
mov eax, dword [edx + 4]
cmp eax, dword [0x10014770]
jne 0x100045a5
lea eax, [ecx - 8]
xor edx, edx
test eax, eax
jle 0x10004599
nop dword [eax + eax]
mov ecx, dword [esi + 4]
mov eax, edx
and eax, 0x1f
movsx eax, byte [eax + 0x1012015c]
and eax, 0xf
mov al, byte [eax + 0x1001475c]
sub byte [ecx + edx + 8], al
mov eax, edx
mov ecx, dword [esi + 4]
and eax, 0xf
mov al, byte [eax + 0x1001475c]
xor byte [ecx + edx + 8], al
inc edx
mov eax, dword [esi + 8]
sub eax, 8
cmp edx, eax
jl 0x10004560
mov ecx, esi
call fcn.100045b0
pop esi
pop ebp
ret 4
xor al, al
pop esi
pop ebp
ret 4
Function at 0x100045b0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
mov edi, ecx
lea esi, [edi + 0xc]
call dword [sym.imp.api_ms_win_crt_utility_l1_1_0.dll_rand]
cdq
mov ecx, 0x2710
idiv ecx
push edx
push str.LogsError_d.log
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 0x10004626
push 0
lea eax, [ebp - 4]
mov dword [ebp - 4], 0
push eax
mov eax, dword [edi + 8]
sub eax, 8
push eax
mov eax, dword [edi + 4]
add eax, 8
push eax
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
test eax, eax
jne 0x1000462e
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
xor al, al
pop esi
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
mov al, 1
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x10004640
Capabilities:
Delete file

Disassembly:
push esi
mov esi, ecx
mov edx, 0x10014751
push edi
push ebx
lea edi, [esi + 0xc]
mov eax, edi
nop
mov bl, byte [eax]
cmp bl, byte [edx]
jne 0x10004670
test bl, bl
je 0x1000466c
mov cl, byte [eax + 1]
cmp cl, byte [edx + 1]
jne 0x10004670
add eax, 2
add edx, 2
test cl, cl
jne 0x10004650
xor eax, eax
jmp 0x10004675
sbb eax, eax
or eax, 1
pop ebx
test eax, eax
je 0x100046ab
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test eax, eax
je 0x100046ab
push dword [esi + 4]
call fcn.100112ec
push 0x100
push 0
push edi
mov dword [esi + 4], 0
mov dword [esi + 8], 0
call sub.VCRUNTIME140.dll_memset
add esp, 0x10
pop edi
pop esi
ret

Function at 0x10004820
Capabilities:
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
mov eax, dword [0x1001800c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [0x1011b0b8]
mov edx, 1
cmp eax, 0x64
lea ecx, [eax + 1]
cmovg ecx, edx
lea eax, [ebp - 0x28]
push ecx
push 0x100147b8
push eax
mov dword [0x1011b0b8], ecx
call fcn.100048c0
add esp, 0xc
lea eax, [ebp - 0x2c]
push eax
push 0xf003f
push 0
push str.SOFTWAREWebzenMuConfig
push closesocket
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x1000489b
push 0x24
lea eax, [ebp - 0x28]
push eax
push 1
push 0
push str.VolumeEffect
push dword [ebp - 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
push dword [ebp - 0x2c]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret
Function at 0x10006630
Capabilities:
Encode data using xor

Disassembly:
xor eax, eax
push esi
mov esi, ecx
test edx, edx
jle 0x100066d0
push ebx
mov bl, byte [0x10125bae]
mov bh, byte [0x10125bad]
cmp edx, 0x20
jb 0x100066bb
mov ecx, edx
push edi
and ecx, 0x8000001f
jns 0x1000665f
dec ecx
or ecx, 0xffffffe0
inc ecx
mov edi, edx
sub edi, ecx
movsx ecx, bl
movd xmm0, ecx
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
movsx ecx, bh
pshufd xmm1, xmm0, 0
movd xmm0, ecx
lea ecx, [esi + 0x10]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
pshufd xmm2, xmm0, 0
nop
movups xmm0, xmmword [ecx - 0x10]
add eax, 0x20
lea ecx, [ecx + 0x20]
pxor xmm0, xmm1
psubb xmm0, xmm2
movups xmmword [ecx - 0x30], xmm0
movups xmm0, xmmword [ecx - 0x20]
pxor xmm0, xmm1
psubb xmm0, xmm2
movups xmmword [ecx - 0x20], xmm0
cmp eax, edi
jl 0x10006690
pop edi
cmp eax, edx
jge 0x100066cf
nop
mov cl, byte [eax + esi]
xor cl, bl
sub cl, bh
mov byte [eax + esi], cl
inc eax
cmp eax, edx
jl 0x100066c0
pop ebx
pop esi
ret

Function at 0x100066e0
Capabilities:
Encode data using xor

Disassembly:
xor eax, eax
push esi
mov esi, ecx
test edx, edx
jle 0x10006780
push ebx
mov bl, byte [0x10125bad]
mov bh, byte [0x10125bae]
cmp edx, 0x20
jb 0x1000676b
mov ecx, edx
push edi
and ecx, 0x8000001f
jns 0x1000670f
dec ecx
or ecx, 0xffffffe0
inc ecx
mov edi, edx
sub edi, ecx
movsx ecx, bl
movd xmm0, ecx
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
movsx ecx, bh
pshufd xmm1, xmm0, 0
movd xmm0, ecx
lea ecx, [esi + 0x10]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
pshufd xmm2, xmm0, 0
nop
movups xmm0, xmmword [ecx - 0x10]
add eax, 0x20
lea ecx, [ecx + 0x20]
paddb xmm0, xmm1
pxor xmm0, xmm2
movups xmmword [ecx - 0x30], xmm0
movups xmm0, xmmword [ecx - 0x20]
paddb xmm0, xmm1
pxor xmm0, xmm2
movups xmmword [ecx - 0x20], xmm0
cmp eax, edi
jl 0x10006740
pop edi
cmp eax, edx
jge 0x1000677f
nop
mov cl, byte [eax + esi]
add cl, bl
xor cl, bh
mov byte [eax + esi], cl
inc eax
cmp eax, edx
jl 0x10006770
pop ebx
pop esi
ret
Function at 0x10007770
Capabilities:
Check mutex on windows

Disassembly:
push esi
xor esi, esi
cmp dword [0x1011b0c4], esi
jle 0x100077d9
push edi
xor edi, edi
push ebx
nop
mov eax, dword [0x1011b0c8]
add eax, edi
cmp dword [eax + 0x14], 0x10
jb 0x1000778f
mov eax, dword [eax]
push eax
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x100077c5
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
inc esi
add edi, 0x18
cmp esi, dword [0x1011b0c4]
jl 0x10007780
pop ebx
pop edi
mov eax, 1
pop esi
ret
lea eax, [esi + 1]
mov dword [0x1011b0d8], ebx
pop ebx
pop edi
mov dword [0x1011b0d4], eax
xor eax, eax
pop esi
ret
mov eax, 1
pop esi
ret

Function at 0x100084d0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
mov eax, dword [0x1001800c]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
xor cl, cl
mov edx, dword [ebp + 8]
push ebx
push esi
mov esi, dword [0x1011b0e4]
mov dword [ebp - 0x44], eax
mov eax, dword [0x1011b0e8]
mov dword [ebp - 0x40], edx
mov byte [ebp - 0x25], cl
push edi
cmp esi, eax
je 0x10008628
mov ebx, dword [ebp - 0x2c]
nop word [eax + eax]
cmp byte [esi], 0
jne 0x10008602
test cl, cl
jne 0x10008542
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x34]
push eax
lea eax, [ebp - 0x38]
push eax
lea eax, [ebp - 0x2c]
push eax
push edx
call fcn.10008640
test al, al
je 0x10008628
mov ebx, dword [ebp - 0x2c]
mov byte [ebp - 0x25], 1
mov edx, dword [ebp - 0x30]
mov edi, dword [esi + 4]
mov eax, edi
mov ecx, dword [edx + 0x34]
sub eax, ecx
push eax
push ecx
push edx
call dword [sym.imp.dbghelp.dll_ImageRvaToSection]
test eax, eax
je 0x100085f7
mov ecx, dword [eax + 0x14]
sub ecx, dword [eax + 0xc]
mov eax, dword [ebp - 0x30]
push 0
push 0
sub ecx, dword [eax + 0x34]
add ecx, edi
push ecx
push ebx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x100085f7
push 0
lea eax, [ebp - 0x3c]
mov dword [ebp - 0x3c], 0
push eax
push 0x20
lea eax, [ebp - 0x24]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x100085f7
lea ecx, [esi + 8]
mov edi, 0x1c
lea edx, [ebp - 0x24]
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x100085f7
add ecx, 4
add edx, 4
sub edi, 4
jae 0x100085a8
movups xmm0, xmmword [esi + 0x28]
mov eax, dword [ebp - 0x44]
push dword [ebp - 0x34]
movups xmmword [eax], xmm0
movups xmm0, xmmword [esi + 0x38]
movups xmmword [eax + 0x10], xmm0
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [ebp - 0x38]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push ebx
call esi
pop edi
pop esi
xor al, al
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
mov eax, dword [0x1011b0e8]
mov cl, byte [ebp - 0x25]
mov edx, dword [ebp - 0x40]
add esi, 0x48
cmp esi, eax
jne 0x10008510
test cl, cl
je 0x10008628
push dword [ebp - 0x34]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [ebp - 0x38]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push ebx
call esi
mov ecx, dword [ebp - 4]
mov al, 1
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 8
Function at 0x10008640
Capabilities:
Parse pe header
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
mov eax, dword [0x1001800c]
xor eax, ebp
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 0x10]
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0xc]
push edi
push 0
push 0
push 3
push 0
push 1
mov dword [ebp - 0x3c], ecx
mov ecx, dword [ebp + 0x14]
push closesocket
mov dword [ebp - 0x40], ecx
mov ecx, dword [ebp + 0x18]
push eax
mov dword [ebp - 0x44], ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
je 0x1000869d
lea eax, [ebp - 0x38]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x100086b1
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
xor al, al
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 0x14
push esi
push 0
push dword [ebp - 0x14]
push dword [ebp - 0x18]
push 2
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
mov esi, eax
test esi, esi
jne 0x100086e7
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop esi
pop edi
xor al, al
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 0x14
push dword [ebp - 0x14]
push 0
push 0
push 4
push esi
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
test eax, eax
je 0x10008724
mov ecx, 0x5a4d
cmp word [eax], cx
jne 0x1000871d
mov ecx, dword [eax + 0x3c]
add ecx, eax
cmp dword [ecx], 0x4550
jne 0x1000871d
mov edx, 0x14c
cmp word [ecx + 4], dx
je 0x10008745
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push edi
call esi
pop esi
pop edi
xor al, al
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 0x14
mov edx, dword [ebp - 0x3c]
mov dword [ebx], edi
mov dword [edx], esi
mov edx, dword [ebp - 0x40]
pop esi
pop edi
pop ebx
mov dword [edx], eax
mov eax, dword [ebp - 0x44]
mov dword [eax], ecx
mov al, 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.10010f8a
mov esp, ebp
pop ebp
ret 0x14