joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1015c440
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
sub esp, 0x40
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x3c], eax
push ebx
push ebp
mov ebp, dword [esp + 0x54]
lea eax, [esp + 0xb]
push esi
mov esi, dword [esp + 0x50]
push edi
push 1
push eax
push dword [esi + 0x5c]
push esi
call fcn.1015c2b0
test eax, eax
je 0x1015c610
cmp byte [esp + 0x13], 0xfa
ja 0x1015c606
push 0x38
xor edi, edi
lea eax, [esp + 0x18]
push edi
push eax
call fcn.101a4190
add esp, 0xc
lea eax, [esp + 0x28]
push 0x1d
push eax
mov eax, dword [esi + 0x60]
add eax, 0x14
push eax
push esi
call fcn.1015c2b0
test eax, eax
je 0x1015c610
mov eax, dword [esp + 0x2a]
lea edx, [esp + 0x2c]
add eax, dword [esp + 0x28]
lea ebx, [edi + 0x18]
movzx eax, ax
nop dword [eax]
xor byte [edx], al
lea edx, [edx + 1]
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
mov cx, ax
add eax, eax
shr cx, 0xf
add cx, ax
movzx eax, cx
sub ebx, 1
jne 0x1015c4c0
cmp dword [esp + 0x40], edi
je 0x1015c4fd
mov dword [0x1021d6d4], 0x65
jmp 0x1015c610
mov ax, word [esp + 0x2c]
cmp ax, word [esi + 0x54]
jne 0x1015c606
mov eax, dword [esi + 0x6c]
test eax, eax
je 0x1015c51b
push eax
call fcn.101602a0
mov edi, eax
test ebp, ebp
je 0x1015c57e
test edi, edi
je 0x1015c57e
cmp dword [edi + 0x10], 1
jne 0x1015c57e
cmp byte [esp + 0x13], 0xfa
jae 0x1015c57e
mov al, byte [esp + 0x44]
test al, al
jne 0x1015c55d
test byte [edi + 0x28], 0x80
jne 0x1015c55d
push dword [edi + 0x34]
mov eax, dword [esi + 0x64]
push dword [edi + 0x2c]
add eax, dword [esi + 0x60]
push eax
push esi
call fcn.1015c2b0
test eax, eax
je 0x1015c610
mov al, byte [esp + 0x44]
movzx eax, al
xor ecx, ecx
test eax, eax
mov dword [edi + 0x14], eax
mov dword [edi + 0x10], 2
sete cl
mov dword [edi + 0x18], ecx
mov dword [esi + 0x6c], 0
mov dword [ebp], edi
mov edx, dword [esp + 0x58]
test edx, edx
je 0x1015c5ec
mov edi, dword [esi + 0x3c]
xor ecx, ecx
mov ebx, dword [esi + 0x44]
cmp edi, ebx
jbe 0x1015c5a6
mov eax, dword [esi + 0x40]
cmp eax, dword [esi + 0x38]
jbe 0x1015c5aa
mov ecx, ebx
sub ecx, edi
add ecx, 0xa8c0
jmp 0x1015c5aa
mov ecx, ebx
sub ecx, edi
lea eax, [ecx + ecx]
xor ecx, ecx
test eax, eax
cmovns ecx, eax
mov eax, 0xffff
cmp ecx, 0xffff
jg 0x1015c5c4
movzx eax, cx
cmp eax, edx
jae 0x1015c5e5
sub edx, eax
mov eax, edx
xor edx, edx
div dword [esi + 0x34]
mov dword [esi + 0x14], eax
cmp eax, 1
jbe 0x1015c5ec
mov dword [0x1021d6d4], 0x63
jmp 0x1015c610
mov dword [esi + 0x14], 0
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x3c]
xor ecx, esp
call fcn.1018d760
add esp, 0x40
ret 0xc
mov dword [0x1021d6d4], 0x67
mov ecx, dword [esp + 0x4c]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x40
ret 0xc
Function at 0x1015dbc0
Capabilities:
Write file on windows

Disassembly:
sub esp, 8
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 4], eax
push ebx
mov ebx, dword [esp + 0x18]
push edi
mov edi, dword [esp + 0x14]
push 0
push 0
push dword [esp + 0x20]
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
test eax, eax
jne 0x1015dc0a
pop edi
mov dword [0x1021d6d4], 0x65
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.1018d760
add esp, 8
ret 0x10
push esi
mov esi, dword [esp + 0x24]
lea eax, [esp + 0xc]
push 0
push eax
push esi
push ebx
push dword [edi + 0x20]
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x1015dc44
cmp dword [esp + 0xc], esi
jne 0x1015dc44
pop esi
pop edi
mov eax, 1
pop ebx
mov ecx, dword [esp + 4]
xor ecx, esp
call fcn.1018d760
add esp, 8
ret 0x10
mov ecx, dword [esp + 0x10]
xor eax, eax
pop esi
pop edi
pop ebx
xor ecx, esp
mov dword [0x1021d6d4], 0x61
call fcn.1018d760
add esp, 8
ret 0x10

Function at 0x1015dc70
Capabilities:
Encode data using xor
Query environment variable

Disassembly:
sub esp, 0x108
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push esi
push pe_nt_image_headers32
xor ebx, ebx
lea eax, [esp + 0x10]
push ebx
push eax
call fcn.101a4190
add esp, 0xc
lea eax, [esp + 0xc]
push 0xff
push eax
push 0x1002258c
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x1015ddeb
cmp esi, 0x20
jae 0x1015ddeb
mov ecx, 0x10022598
lea eax, [esp + 0xc]
nop dword [eax]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x1015dcf0
test dl, dl
je 0x1015dcec
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x1015dcf0
add eax, 2
add ecx, 2
test dl, dl
jne 0x1015dcd0
xor eax, eax
jmp 0x1015dcf5
sbb eax, eax
or eax, 1
test eax, eax
je 0x1015ddeb
mov ecx, 0x100225a0
lea eax, [esp + 0xc]
mov dl, byte [eax]
cmp dl, byte [ecx]
jne 0x1015dd26
test dl, dl
je 0x1015dd22
mov dl, byte [eax + 1]
cmp dl, byte [ecx + 1]
jne 0x1015dd26
add eax, 2
add ecx, 2
test dl, dl
jne 0x1015dd06
xor eax, eax
jmp 0x1015dd2b
sbb eax, eax
or eax, 1
test eax, eax
je 0x1015ddeb
push 8
lea eax, [esp + 0x10]
push 0x100225b0
push eax
call fcn.100c1b60
add esp, 0xc
test eax, eax
jne 0x1015dda8
lea eax, [esp + 8]
mov dword [esp + 8], ebx
push eax
lea eax, [esp + 0x10]
push 0x100225bc
push eax
call fcn.10107c00
add esp, 0xc
cmp eax, 1
jne 0x1015dd87
mov eax, dword [esp + 8]
inc eax
and eax, 0x800000ff
jns 0x1015dd7e
dec eax
or eax, 0xffffff00
inc eax
movzx ebx, byte [eax + 0x1021d750]
jmp 0x1015ddc6
xor edx, edx
test esi, esi
je 0x1015ddcd
nop dword [eax]
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x1021d750]
cmp edx, esi
jb 0x1015dd90
jmp 0x1015ddc6
xor edx, edx
test esi, esi
je 0x1015ddcd
nop
movsx ecx, byte [esp + edx + 0xc]
inc edx
movzx eax, bx
xor ecx, eax
movzx ebx, byte [ecx + 0x1021d750]
cmp edx, esi
jb 0x1015ddb0
xor eax, eax
cmp ax, bx
jne 0x1015ddd2
mov ebx, 0xff
pop esi
mov al, bl
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.1018d760
add esp, 0x108
ret
mov ecx, dword [esp + 0x10c]
xor al, al
pop esi
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x108
ret
Function at 0x1015de10
Capabilities:
Get hostname
Resolve dns

Disassembly:
sub esp, 0x220
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x21c], eax
push ebx
push esi
mov esi, dword [esp + 0x22c]
lea eax, [esp + 0x124]
push pe_nt_image_headers32
push eax
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
je 0x1015de91
lea eax, [esp + 0x124]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x1015de91
mov eax, dword [eax + 0xc]
push 1
mov eax, dword [eax]
mov ebx, dword [eax]
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x20]
mov dword [esp + 0x1c], 0x10c
push eax
call fcn.101619d0
test eax, eax
jne 0x1015de91
mov edx, dword [esp + 0x18]
test edx, edx
jle 0x1015de91
lea ecx, [esp + 0x1c]
cmp dword [ecx], ebx
je 0x1015de98
inc eax
add ecx, 0x18
cmp eax, edx
jl 0x1015de85
xor al, al
jmp 0x1015df5c
lea eax, [eax + eax*2]
mov edx, dword [esp + eax*8 + 0x24]
test edx, edx
je 0x1015de91
mov ecx, dword [esi + 4]
mov eax, ebx
shr eax, 0x18
and ecx, edx
mov byte [esp + 0x14], al
not edx
mov eax, ebx
mov byte [esp + 0xf], cl
shr eax, 0x10
mov byte [esp + 0x15], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x16], al
movzx eax, byte [esi + 7]
mov byte [esp + 0x10], al
movzx eax, byte [esi + 6]
mov byte [esp + 0x11], al
movzx eax, byte [esi + 5]
mov byte [esp + 0x12], al
movzx eax, byte [esi + 4]
mov byte [esp + 0x13], al
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0xd], al
mov eax, ecx
mov ecx, dword [esp + 0x10]
shr eax, 8
mov byte [esp + 0xe], al
mov eax, edx
shr eax, 0x18
mov byte [esp + 8], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 9], al
mov eax, edx
shr eax, 8
mov byte [esp + 0xa], al
mov byte [esp + 0xb], dl
mov eax, dword [esp + 8]
push edi
mov edi, dword [esp + 0x10]
or eax, edi
mov byte [esp + 0x1b], bl
cmp ecx, edi
jbe 0x1015df4c
cmp ecx, eax
jae 0x1015df4a
mov edx, dword [esp + 0x18]
cmp edx, edi
jbe 0x1015df4a
cmp edx, eax
jb 0x1015df52
cmp ecx, edi
je 0x1015df75
cmp ecx, eax
je 0x1015df75
mov dword [esi + 8], 1
mov al, 1
pop edi
mov ecx, dword [esp + 0x224]
pop esi
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x220
ret 4
mov dword [esi + 8], 0
xor al, al
jmp 0x1015df5b
Function at 0x1015e0f0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x14], eax
push ebx
mov ebx, dword [esp + 0x2c]
push ebp
mov ebp, dword [esp + 0x2c]
push esi
push edi
xor esi, esi
push esi
push 1
push 2
call sub.WS2_32.dll_socket
mov edi, eax
cmp edi, 0xffffffff
je 0x1015e23a
push 4
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 1
push eax
push 1
push 6
push edi
call sub.WS2_32.dll_setsockopt
xorps xmm0, xmm0
mov eax, 2
movups xmmword [esp + 0x14], xmm0
mov word [esp + 0x14], ax
lea eax, [esp + 0x14]
push 0x10
push eax
push edi
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
je 0x1015e227
push 0x64
call fcn.1015b830
mov esi, eax
add esp, 4
test esi, esi
je 0x1015e227
push 0x64
push 0
push esi
call fcn.101a4190
mov dword [esi + 4], edi
add esp, 0xc
mov eax, dword [0x10230f18]
mov dword [esi], eax
mov eax, dword [esp + 0x30]
mov dword [0x10230f18], esi
mov dword [esi + 0x3c], eax
mov eax, dword [esp + 0x2c]
movups xmm0, xmmword [eax]
movups xmmword [esi + 0xc], xmm0
movups xmm0, xmmword [eax + 0x10]
movups xmmword [esi + 0x1c], xmm0
movups xmm0, xmmword [eax + 0x20]
mov dword [esi + 0x60], 0
movups xmmword [esi + 0x2c], xmm0
mov dword [esi + 0x24], 0
test ebx, ebx
je 0x1015e1f9
push ebx
call fcn.1015b830
add esp, 4
mov dword [esi + 0x60], eax
test eax, eax
je 0x1015e227
push ebp
push ebx
push eax
call fcn.100c264d
add esp, 0xc
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.1018d760
add esp, 0x18
ret 0x10
push 2
call fcn.1015b830
mov dword [esi + 0x60], eax
add esp, 4
mov byte [eax], 0
mov eax, dword [esi + 0x60]
pop edi
mov byte [eax + 1], 0
mov eax, esi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.1018d760
add esp, 0x18
ret 0x10
push edi
call sub.WS2_32.dll_closesocket
test esi, esi
jne 0x1015e23a
push esi
call fcn.100be50c
add esp, 4
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x18
ret 0x10
Function at 0x1015ea90
Capabilities:
Create udp socket
Initialize winsock library
Set socket configuration

Disassembly:
sub esp, 0x1a8
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x1a4], eax
cmp dword [0x10230f20], 0
jne 0x1015ebfa
lea eax, [esp + 0x14]
mov dword [0x10230f20], 1
push eax
push 0x101
call sub.WS2_32.dll_WSAStartup
test eax, eax
jne 0x1015ebfa
push 4
push 0x10230f1c
push 0x10029394
push 7
mov dword [0x10230f04], 1
call fcn.1015bea0
add esp, 0x10
test eax, eax
je 0x1015eb06
mov eax, dword [0x10230f1c]
test eax, eax
je 0x1015eb06
cmp eax, 0xffff
jbe 0x1015eb10
mov dword [0x10230f1c], 0x574b
push 0x7fff
call fcn.100c17b0
add esp, 4
mov dword [0x10230f00], eax
test eax, eax
je 0x1015eb88
push 0
push 2
push 2
call sub.WS2_32.dll_socket
mov dword [0x1021d738], eax
cmp eax, 0xffffffff
je 0x1015eba3
push 4
lea ecx, [esp + 4]
mov dword [esp + 4], 1
push ecx
push 0x20
push 0xffff
push eax
mov dword [esp + 0x18], 2
mov dword [esp + 0x1c], 0
call sub.WS2_32.dll_setsockopt
cmp eax, 0xffffffff
je 0x1015eb83
push 0x10
lea eax, [esp + 8]
push eax
push dword [0x1021d738]
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
jne 0x1015ebfa
mov eax, dword [0x10230f00]
mov ecx, dword [0x1021d738]
cmp ecx, 0xffffffff
je 0x1015eba8
push ecx
call sub.WS2_32.dll_closesocket
mov dword [0x1021d738], 0xffffffff
mov eax, dword [0x10230f00]
test eax, eax
je 0x1015ebbf
push eax
call fcn.100be50c
add esp, 4
mov dword [0x10230f00], 0
mov eax, dword [0x10230f18]
test eax, eax
je 0x1015ebe2
push esi
nop dword [eax]
mov esi, dword [eax]
push eax
call fcn.100be50c
add esp, 4
mov eax, esi
test esi, esi
jne 0x1015ebd0
pop esi
cmp dword [0x10230f04], 0
je 0x1015ebfa
call sub.WS2_32.dll_WSACleanup
mov dword [0x10230f04], 0
mov ecx, dword [esp + 0x1a4]
xor ecx, esp
call fcn.1018d760
add esp, 0x1a8
ret

Function at 0x1015f310
Capabilities:
Create tcp socket
Create udp socket
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
push 0
push 1
push 2
mov eax, dword [esi + 8]
and eax, 0xfffffffd
or eax, 1
mov dword [esi + 8], eax
call sub.WS2_32.dll_socket
mov dword [esi + 4], eax
cmp eax, 0xffffffff
je 0x1015f3cd
push 4
lea ecx, [esp + 8]
mov dword [esp + 8], 1
push ecx
push 1
push 6
push eax
call sub.WS2_32.dll_setsockopt
xorps xmm0, xmm0
mov eax, 2
movups xmmword [esp + 8], xmm0
mov word [esp + 8], ax
lea eax, [esp + 8]
push 0x10
push eax
push dword [esi + 4]
call sub.WS2_32.dll_bind
cmp eax, 0xffffffff
je 0x1015f3cd
or dword [esi + 0xc], 8
test dword [esi + 0x3c], 0x200000
movzx eax, word [esi + 0x44]
je 0x1015f39a
movzx eax, word [esi + 0x1e]
push 0
push 0
push 0
push eax
push 0
push esi
call fcn.1015e300
test eax, eax
je 0x1015f3cd
mov ecx, dword [0x1021d6f0]
pop esi
mov dword [ecx + 0x14], eax
mov eax, 1
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.1018d760
add esp, 0x18
ret 4
mov ecx, dword [esp + 0x18]
xor eax, eax
mov dword [0x1021d6d4], 0x63
or dword [esi + 8], 2
pop esi
xor ecx, esp
call fcn.1018d760
add esp, 0x18
ret 4
Function at 0x1015f3f0
Capabilities:
Get hostname
Send data
Send data on socket

Disassembly:
sub esp, 0x20
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x1c], eax
push ebx
push ebp
mov ebp, dword [esp + 0x30]
xor ebx, ebx
push esi
push edi
mov dword [esp + 0x14], ebp
call fcn.1015f0f0
mov ecx, ebp
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1015f416
sub ecx, edx
xor ebp, ebp
inc ecx
push pe_nt_image_headers32
mov dword [esp + 0x14], ecx
call fcn.1015b830
mov esi, eax
add esp, 4
test esi, esi
je 0x1015f465
push pe_nt_image_headers32
push esi
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
je 0x1015f45c
mov ecx, esi
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1015f450
sub ecx, edx
lea ebp, [ecx + 1]
push esi
call fcn.100be50c
add esp, 4
mov esi, dword [esp + 0x10]
push 0x12c
lea eax, [esi + 0x20]
add eax, ebp
push eax
push 0x12
mov dword [esp + 0x24], eax
call fcn.1015ba70
mov edi, eax
test edi, edi
je 0x1015f581
mov eax, dword [esp + 0x34]
xorps xmm0, xmm0
movups xmmword [edi + 8], xmm0
movq qword [edi + 0x18], xmm0
test eax, eax
je 0x1015f4d9
mov esi, dword [eax]
mov eax, dword [0x1021d6d8]
and esi, 1
and eax, 0xe00000
or esi, eax
call fcn.1015dc70
mov ecx, dword [esp + 0x34]
movzx eax, al
shl eax, 0x18
or eax, esi
mov esi, dword [esp + 0x10]
mov dword [edi + 8], eax
mov eax, dword [ecx + 4]
mov dword [edi + 0xc], eax
mov eax, dword [ecx + 8]
mov dword [edi + 0x10], eax
mov eax, dword [esp + 0x3c]
mov dword [edi + 0x1c], eax
push esi
push dword [esp + 0x18]
lea eax, [edi + 0x20]
mov dword [edi + 0x14], esi
push eax
mov dword [edi + 0x18], ebp
call fcn.101a3c10
lea eax, [esi + 0x20]
add esp, 0xc
xor esi, esi
add eax, edi
jne 0x1015f508
push ebp
call fcn.1015b830
mov esi, eax
add esp, 4
test esi, esi
je 0x1015f518
push ebp
push eax
call sub.WS2_32.dll_gethostname
push esi
call fcn.100be50c
add esp, 4
mov esi, dword [0x10232924]
test esi, esi
je 0x1015f581
mov ebp, dword [esp + 0x18]
mov eax, 2
nop dword [eax + eax]
mov word [esp + 0x1c], ax
mov eax, dword [esi + 4]
test eax, eax
je 0x1015f572
mov dword [esp + 0x20], eax
movzx eax, word [0x10230f1c]
push eax
call sub.WS2_32.dll_htons
push 0x10
mov word [esp + 0x22], ax
lea eax, [esp + 0x20]
push eax
push 0
push ebp
push edi
push dword [0x1021d738]
call sub.WS2_32.dll_sendto
xor ebx, ebx
cmp eax, 0xffffffff
setne bl
je 0x1015f57d
mov esi, dword [esi]
mov eax, 2
test esi, esi
jne 0x1015f530
test ebx, ebx
jne 0x1015f59e
cmp dword [0x1021d6d4], 0
jne 0x1015f59e
mov dword [0x10230ef8], 0
mov dword [0x1021d6d4], 0x61
push edi
call fcn.100be50c
mov ecx, dword [esp + 0x30]
add esp, 4
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x20
ret 0xc

Function at 0x1015f5c0
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 8]
push 0
movzx eax, word [ecx + 2]
push eax
mov eax, dword [esp + 0xc]
push ecx
push dword [eax + 4]
call sub.WS2_32.dll_send
cmp eax, 0xffffffff
jne 0x1015f5ec
mov dword [0x1021d6d4], 0x61
xor eax, eax
ret 8
mov eax, 1
ret 8
Function at 0x1015f600
Capabilities:
Enumerate pe sections
Get hostname
Resolve dns

Disassembly:
sub esp, 0x228
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x224], eax
push esi
mov esi, dword [0x10232924]
xor cl, cl
mov byte [esp + 7], cl
test esi, esi
je 0x1015f7e4
push ebx
push edi
nop dword [eax + eax]
cmp byte [esi + 0xc], 0
lea eax, [esi + 0xc]
je 0x1015f7d8
push eax
mov dword [esi + 4], 0
mov dword [esi + 8], 0
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x1015f7d4
mov eax, dword [eax + 0xc]
push pe_nt_image_headers32
mov eax, dword [eax]
mov eax, dword [eax]
mov dword [esi + 4], eax
lea eax, [esp + 0x134]
push eax
call sub.WS2_32.dll_gethostname
cmp eax, 0xffffffff
je 0x1015f7c6
lea eax, [esp + 0x130]
push eax
call sub.WS2_32.dll_gethostbyname
test eax, eax
je 0x1015f7c6
mov eax, dword [eax + 0xc]
push 1
mov eax, dword [eax]
mov ebx, dword [eax]
lea eax, [esp + 0x24]
push eax
lea eax, [esp + 0x2c]
mov dword [esp + 0x28], 0x10c
push eax
call fcn.101619d0
test eax, eax
jne 0x1015f7c6
mov edx, dword [esp + 0x24]
test edx, edx
jle 0x1015f7c6
lea ecx, [esp + 0x28]
nop dword [eax + eax]
cmp dword [ecx], ebx
je 0x1015f6ed
inc eax
add ecx, 0x18
cmp eax, edx
jl 0x1015f6d0
mov cl, byte [esp + 0xf]
xor al, al
or cl, al
mov byte [esp + 0xf], cl
jmp 0x1015f7d8
lea eax, [eax + eax*2]
mov edx, dword [esp + eax*8 + 0x30]
test edx, edx
je 0x1015f7c6
mov ecx, dword [esi + 4]
mov eax, ebx
shr eax, 0x18
and ecx, edx
mov byte [esp + 0x1c], al
not edx
mov eax, ebx
mov byte [esp + 0x17], cl
shr eax, 0x10
mov byte [esp + 0x1d], al
mov eax, ebx
shr eax, 8
mov byte [esp + 0x1e], al
movzx eax, byte [esi + 7]
mov byte [esp + 0x18], al
movzx eax, byte [esi + 6]
mov byte [esp + 0x19], al
movzx eax, byte [esi + 5]
mov byte [esp + 0x1a], al
movzx eax, byte [esi + 4]
mov byte [esp + 0x1b], al
mov eax, ecx
shr eax, 0x18
mov byte [esp + 0x14], al
mov eax, ecx
shr eax, 0x10
mov byte [esp + 0x15], al
mov eax, ecx
mov ecx, dword [esp + 0x18]
shr eax, 8
mov byte [esp + 0x16], al
mov eax, edx
mov edi, dword [esp + 0x14]
shr eax, 0x18
mov byte [esp + 0x10], al
mov eax, edx
shr eax, 0x10
mov byte [esp + 0x11], al
mov eax, edx
shr eax, 8
mov byte [esp + 0x12], al
mov byte [esp + 0x13], dl
mov eax, dword [esp + 0x10]
or eax, edi
mov byte [esp + 0x1f], bl
cmp ecx, edi
jbe 0x1015f7a4
cmp ecx, eax
jae 0x1015f7a2
mov edx, dword [esp + 0x1c]
cmp edx, edi
jbe 0x1015f7a2
cmp edx, eax
jb 0x1015f7aa
cmp ecx, edi
je 0x1015f7bf
cmp ecx, eax
je 0x1015f7bf
mov cl, byte [esp + 0xf]
mov al, 1
or cl, al
mov dword [esi + 8], 1
mov byte [esp + 0xf], cl
jmp 0x1015f7d8
mov dword [esi + 8], 0
mov cl, byte [esp + 0xf]
xor al, al
or cl, al
mov byte [esp + 0xf], cl
jmp 0x1015f7d8
mov cl, byte [esp + 0xf]
mov esi, dword [esi]
test esi, esi
jne 0x1015f630
pop edi
pop ebx
mov al, cl
mov ecx, dword [esp + 0x228]
pop esi
xor ecx, esp
call fcn.1018d760
add esp, 0x228
ret
Function at 0x1015f800
Capabilities:
Get socket status
Receive data
Receive data on socket

Disassembly:
sub esp, 0x124
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x120], eax
mov eax, dword [0x1021d738]
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_GetTickCount]
push ebp
mov ebp, dword [esp + 0x134]
push esi
push edi
mov edi, dword [esp + 0x138]
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], 1
nop dword [eax]
call ebx
mov ecx, edi
sub ecx, eax
cmp dword [0x10230f10], 0
jne 0x1015f8ee
xor eax, eax
mov dword [esp + 0x118], 0
test ecx, ecx
cmovns eax, ecx
imul eax, eax, 0x3e8
mov dword [esp + 0x11c], eax
lea eax, [esp + 0x118]
push eax
push 0
push 0
lea eax, [esp + 0x1c]
push eax
push 0x40
call sub.WS2_32.dll_select
cmp eax, 1
jl 0x1015f8ee
mov esi, dword [0x10230f00]
lea eax, [esp + 0x114]
push eax
lea eax, [esp + 0x124]
mov dword [esp + 0x118], 0x10
push eax
push 0
push 0x7fff
push esi
push dword [0x1021d738]
call sub.WS2_32.dll_recvfrom
cmp eax, 0xffffffff
je 0x1015f8ee
cmp byte [esi + 1], 0
jge 0x1015f840
cmp byte [esi + 6], 0x12
jne 0x1015f840
test ebp, ebp
je 0x1015f8ea
mov ecx, dword [esp + 0x124]
mov dword [ebp], ecx
mov eax, esi
jmp 0x1015f8f0
xor eax, eax
mov ecx, dword [esp + 0x130]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x124
ret 8

Function at 0x1015f910
Capabilities:
Get socket status
Receive data
Receive data on socket

Disassembly:
sub esp, 0x118
mov eax, dword [0x1021e964]
xor eax, esp
mov dword [esp + 0x114], eax
imul edx, dword [esp + 0x124], 0x3e8
mov ecx, dword [esp + 0x11c]
push ebx
push ebp
push esi
mov esi, dword [0x10230f00]
mov ebp, 1
push edi
mov dword [esp + 0x10], ecx
mov edi, 0x7fff
mov ebx, esi
mov dword [esp + 0x14], edx
nop dword [eax]
nop dword [eax + eax]
mov eax, dword [ecx + 4]
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x11c]
push eax
push 0
push 0
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 1
push eax
push 0x40
mov dword [esp + 0x130], 0
mov dword [esp + 0x134], edx
call sub.WS2_32.dll_select
cmp eax, 1
jl 0x1015fa15
mov eax, dword [esp + 0x10]
push 0
push edi
push ebx
push dword [eax + 4]
call sub.WS2_32.dll_recv
test eax, eax
je 0x1015fa09
cmp eax, 0xffffffff
je 0x1015f9fd
test ebp, ebp
je 0x1015f9e4
cmp byte [esi], 0xb2
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
jne 0x1015f960
mov cl, byte [esp + 0x130]
cmp byte [esi + 6], cl
mov ecx, dword [esp + 0x10]
jne 0x1015f960
cmp byte [esi + 1], 0
jge 0x1015f960
movzx edi, word [esi + 2]
xor ebp, ebp
cmp edi, eax
jbe 0x1015f9f9
mov ecx, dword [esp + 0x10]
sub edi, eax
mov edx, dword [esp + 0x14]
add ebx, eax
jmp 0x1015f960
mov eax, esi
jmp 0x1015fa21
mov dword [0x1021d6d4], 0x62
jmp 0x1015fa1f
mov dword [0x1021d6d4], 0x65
jmp 0x1015fa1f
mov dword [0x1021d6d4], 0x63
xor eax, eax
mov ecx, dword [esp + 0x124]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.1018d760
add esp, 0x118
ret 0xc