joyce8/EMBER2024-capa huggingface dataset:
Function at 0x502640
Capabilities:
Access peb ldr_data

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x578ad6
mov eax, dword fs:[0]
push eax
push ecx
mov eax, dword [0x5f969c]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], ecx
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp + 8]
mov dword [eax], ecx
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp + 0xc]
mov dword [edx + 4], eax
mov ecx, dword [ebp - 0x10]
mov edx, dword [ebp + 0x10]
mov dword [ecx + 0x10], edx
mov ecx, dword [ebp - 0x10]
add ecx, 0x14
call fcn.00402fc0
mov dword [ebp - 4], 0
mov ecx, dword [ebp - 0x10]
add ecx, 0x30
call fcn.00402fc0
mov byte [ebp - 4], 1
mov ecx, dword [ebp - 0x10]
add ecx, 0x4c
call fcn.00402fc0
mov eax, dword [ebp - 0x10]
mov dword [eax + 8], 0
mov dword [eax + 0xc], 0
cmp dword [ebp + 0xc], 0
je 0x5026e2
mov ecx, dword [ebp + 0xc]
push ecx
call fcn.00550818
add esp, 4
push eax
call fcn.00562396
add esp, 4
cdq
mov ecx, dword [ebp - 0x10]
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], edx
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x503c10
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0
mov eax, dword [ebp + 0x10]
push eax
mov ecx, dword [ebp + 8]
push ecx
call fcn.0054033f
add esp, 0xc
mov edx, dword [ebp + 8]
push edx
mov eax, dword [ebp + 0x18]
push eax
push 1
mov ecx, dword [ebp + 0xc]
push ecx
call fcn.005459d3
add esp, 0x10
pop ebp
ret

Function at 0x505210
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push ecx
mov dword [ebp - 4], ecx
mov eax, dword [ebp - 4]
mov dword [eax], vtable.CDirectoryMonitor.0
mov ecx, dword [ebp - 4]
add ecx, 0x10
call fcn.00505db0
mov ecx, dword [ebp - 4]
mov dword [ecx + 4], 1
mov edx, dword [ebp - 4]
mov dword [edx + 0x48], 0
mov eax, dword [ebp - 4]
add eax, 8
push eax
push 0
push 0
push 0x505410
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov ecx, dword [ebp - 4]
mov dword [ecx + 0xc], eax
mov edx, dword [ebp - 4]
add edx, 0x2c
push edx
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
push 0
push 0
push 1
push 0
call dword [sym.imp.KERNEL32.dll_CreateEventW]
mov ecx, dword [ebp - 4]
mov dword [ecx + 0x44], eax
mov eax, dword [ebp - 4]
mov esp, ebp
pop ebp
ret

Function at 0x506e6f
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
cmp dword [0x5fe05c], 0
push esi
jne 0x506de2
call fcn.00506d08
test eax, eax
je 0x506e25
mov eax, dword [0x5fe05c]
cmp eax, 1
jne 0x506e03
push 0xd
push 0
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x506e25
pop esi
ret
push eax
call dword [0x5fe064]
test eax, eax
jne 0x506e6d
push 0x40
mov eax, 0x1000
push eax
push eax
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
test esi, esi
jne 0x506e29
xor eax, eax
pop esi
ret
mov eax, dword [esi]
push edi
push dword [0x5fe05c]
call dword [0x5fe064]
mov edi, eax
test edi, edi
je 0x506e4e
push 0x8000
push 0
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x506e6a
mov edi, esi
add esi, 0xff0
push edi
push dword [0x5fe05c]
call dword [0x5fe060]
add edi, 0x10
cmp edi, esi
jb 0x506e56
mov eax, edi
pop edi
pop esi
ret
jmp 0x506dcf

Function at 0x507ea0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5f969c]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x507ef5
mov eax, dword [esp]
cmp al, 2
jne 0x507eef
shr eax, 8
cmp al, 2
jne 0x507eef
call fcn.005095f0
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.0053c85d
add esp, 0x194
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [esp + 0x190]
xor ecx, esp
mov eax, 2
call fcn.0053c85d
add esp, 0x194
ret
Function at 0x508f60
Capabilities:
Read file on windows

Disassembly:
push edi
mov edi, eax
mov eax, dword [esi]
cmp dword [eax + 4], 2
jne 0x508f82
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x508f76
xor eax, eax
pop edi
ret
mov eax, dword [eax + 8]
push eax
push edi
push 1
push ebx
call ecx
jmp 0x508fb2
cmp dword [esi + 8], 0
jne 0x508fa5
mov ecx, dword [eax + 8]
push 0x58d2c8
push ecx
call fcn.0054872f
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x508fa5
or eax, 0xffffffff
pop edi
ret
mov edx, dword [esi + 8]
push edx
push edi
push 1
push ebx
call fcn.005459d3
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x508fd4
mov eax, dword [esi + 8]
test eax, eax
je 0x508fce
push eax
call fcn.00540764
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov ecx, dword [eax]
mov dword [esi], ecx
mov eax, edi
pop edi
ret
Function at 0x5141d0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 8]
mov edx, dword [esp + 4]
push 0
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
jne 0x514202
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov ecx, dword [esp + 0x10]
mov dword [ecx], eax
xor eax, eax
ret

Function at 0x514340
Capabilities:
Write file on windows

Disassembly:
mov ecx, dword [esi + 0x1a8]
test ecx, ecx
je 0x51435b
mov edx, dword [esi + 0x134]
push edx
push edi
push ebx
push eax
push esi
call ecx
add esp, 0x14
ret
test eax, eax
jl 0x51438f
cmp eax, 2
jg 0x51438f
mov ecx, dword [esi + 0x130]
push ecx
push 1
lea edx, [eax + eax*2 + 0x58dfe0]
push 2
push edx
call fcn.0053ff5e
mov eax, dword [esi + 0x130]
push eax
push 1
push edi
push ebx
call fcn.0053ff5e
add esp, 0x20
xor eax, eax
ret

Function at 0x5146a0
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0xc]
mov eax, dword [esp + 8]
push ebx
push esi
mov esi, dword [esp + 0xc]
mov eax, dword [esi + eax*4 + 0x154]
push edi
push 0
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [esp + 0x20]
mov edi, eax
mov dword [ebx], 0
cmp edi, 0xffffffff
jne 0x51471d
push ebp
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ebp, eax
cmp ebp, 0x2733
jne 0x5146f4
pop ebp
pop edi
pop esi
mov dword [ebx], 0x51
xor eax, eax
pop ebx
ret
push ebp
push esi
call fcn.00519b50
push eax
mov eax, dword [esi]
push str.Send_failure:__s
push eax
call fcn.00514520
mov ecx, dword [esi]
add esp, 0x14
mov dword [ecx + 0x8624], ebp
mov dword [ebx], 0x37
mov eax, edi
pop ebp
pop edi
pop esi
pop ebx
ret

Function at 0x516470
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x14
xor eax, eax
cmp dword [esi + 0x480], eax
push 4
lea ecx, [esp + 4]
push ecx
setne al
push 8
push 0xffff
push edi
mov dword [esp + 0x14], eax
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jge 0x5164ae
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00514490
add esp, 0xc
add esp, 0x14
ret
mov edx, dword [esi + 0x484]
push edx
mov dword [esp + 0xc], 1
call fcn.00518ba0
imul eax, eax, 0x3e8
mov dword [esp + 4], eax
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x488]
push eax
call fcn.00518ba0
imul eax, eax, 0x3e8
add esp, 8
push 0
push 0
lea ecx, [esp + 0xc]
push ecx
push 0
push 0
push 0xc
lea edx, [esp + 0x20]
push edx
push 0x98000004
push edi
mov dword [esp + 0x24], eax
mov dword [esp + 0x34], eax
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x516527
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.00514490
add esp, 0x10
add esp, 0x14
ret
Function at 0x516b20
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x10c
mov eax, dword [0x5f969c]
xor eax, esp
mov dword [esp + 0x108], eax
push ebp
mov ebp, dword [esp + 0x114]
cmp dword [ebp + 0x8c], 2
push edi
mov edi, dword [ebp]
mov dword [esp + 0xc], edi
je 0x516c95
cmp dword [ebp + 0x270], 0
push ebx
push esi
jne 0x516c8a
mov esi, dword [esp + 0x124]
lea eax, [esp + 0x10]
push eax
lea ecx, [esp + 0x9c]
push ecx
mov ebx, 0x80
push esi
mov dword [esp + 0x1c], ebx
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x516bac
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push ebp
call fcn.00519b50
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push edi
call fcn.00514520
add esp, 0x18
jmp 0x516c93
push ebx
lea edx, [esp + 0x1c]
push 0
push edx
mov dword [esp + 0x1c], ebx
call fcn.0053c870
add esp, 0xc
lea eax, [esp + 0x10]
push eax
lea ecx, [esp + 0x1c]
push ecx
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x516bf9
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push ebp
call fcn.00519b50
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push edi
call fcn.00514520
add esp, 0x18
jmp 0x516c93
lea edi, [ebp + 0xb8]
lea ebx, [ebp + 0xe8]
lea esi, [esp + 0x98]
call fcn.00516ae0
test eax, eax
jne 0x516c3a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebp
call fcn.00519b50
mov edx, dword [esp + 0x1c]
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push edx
call fcn.00514520
add esp, 0x18
jmp 0x516c93
lea edi, [ebp + 0x58]
mov ecx, 0xb
lea esi, [ebp + 0xb8]
rep movsd dword es:[edi], dword [esi]
movsw word es:[edi], word [esi]
lea ebx, [ebp + 0x11c]
lea edi, [ebp + 0xec]
lea esi, [esp + 0x18]
call fcn.00516ae0
test eax, eax
jne 0x516c8a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push ebp
call fcn.00519b50
push eax
mov eax, dword [esp + 0x20]
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push eax
call fcn.00514520
add esp, 0x18
jmp 0x516c93
push ebp
call fcn.00516a80
add esp, 4
pop esi
pop ebx
mov ecx, dword [esp + 0x110]
pop edi
pop ebp
xor ecx, esp
call fcn.0053c85d
add esp, 0x10c
ret

Function at 0x516cb0
Capabilities:
Set socket configuration

Disassembly:
push ecx
push esi
mov esi, dword [edi]
mov eax, dword [esi + 0x364]
push 4
lea ecx, [esp + 8]
push ecx
push 1
push 6
push edx
mov dword [esp + 0x18], eax
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jge 0x516cf3
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00519b50
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00514490
add esp, 0x14
pop esi
pop ecx
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00514490
add esp, 8
pop esi
pop ecx
ret
Function at 0x516d10
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0xac
mov eax, dword [0x5f969c]
xor eax, esp
mov dword [esp + 0xa8], eax
mov eax, dword [0x5fe3a4]
push esi
mov dword [esp + 4], 0x4020
mov dword [esp + 8], 0
mov dword [esp + 0xc], 4
test eax, eax
jne 0x516dd4
push 0x9c
push eax
lea eax, [esp + 0x18]
push eax
call fcn.0053c870
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
push 3
push 2
push 0
push 0
mov dword [esp + 0x20], 0x9c
mov dword [esp + 0x24], 6
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push edx
push eax
push 0x33
lea ecx, [esp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
test eax, eax
je 0x516dc8
mov dword [0x5fe3a4], 2
pop esi
mov ecx, dword [esp + 0xa8]
xor ecx, esp
call fcn.0053c85d
add esp, 0xac
ret
mov dword [0x5fe3a4], 1
jmp 0x516dd9
cmp eax, 2
je 0x516e21
mov esi, dword [esp + 0xb4]
lea edx, [esp + 0xc]
push edx
lea eax, [esp + 0xc]
push eax
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_getsockopt]
test eax, eax
jne 0x516e09
mov ecx, dword [esp + 8]
cmp ecx, dword [esp + 4]
jg 0x516e21
push 4
lea edx, [esp + 8]
push edx
push 0x1001
push 0xffff
push esi
call dword [sym.imp.WS2_32.dll_setsockopt]
mov ecx, dword [esp + 0xac]
pop esi
xor ecx, esp
call fcn.0053c85d
add esp, 0xac
ret

Function at 0x516e60
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 8
push esi
push edi
mov edi, dword [esp + 0x14]
mov esi, dword [edi + 0x5e8]
test esi, esi
je 0x516eb9
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x516e7f
cmp dword [edi + 0x40], eax
je 0x516eb9
mov dword [esp + 8], esi
mov dword [esp + 0xc], 0
test eax, eax
jne 0x516e92
mov eax, dword [edi + 0x40]
push 0x516e40
lea ecx, [esp + 0xc]
add eax, 0x68
push ecx
push eax
call fcn.00535200
add esp, 0xc
cmp dword [esp + 0xc], 0
jne 0x516ec2
mov dword [edi + 0x5e8], 0
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
mov eax, dword [esp + 0x18]
test eax, eax
je 0x516ecc
mov dword [eax], esi
cmp dword [esi + 0x17c], 0
mov edi, dword [esi + 0x154]
je 0x516ef1
push esi
call fcn.0050ac90
add esp, 4
test eax, eax
jne 0x516f05
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
push 2
push 1
lea edx, [esp + 0x1c]
push edx
push edi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x516eb9
mov eax, edi
pop edi
pop esi
add esp, 8
ret
Function at 0x518bd0
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 0xc]
push eax
call fcn.00518bc0
add esp, 4
mov dword [esp + 0xc], eax
jmp fcn.005590aa

Function at 0x518c50
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
push ebx
push ebp
lea ecx, [esp + 0x10]
push ecx
mov ecx, dword [esp + 0x1c]
xor ebx, ebx
mov dword [eax], ebx
mov eax, dword [esp + 0x20]
push edx
push eax
push ecx
mov dword [esp + 0x18], ebx
xor ebp, ebp
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
cmp eax, ebx
jne 0x518e01
push edi
mov edi, dword [esp + 0x14]
cmp edi, ebx
je 0x518ddf
push esi
jmp 0x518ca0
cmp dword [edi + 4], 2
jne 0x518d58
cmp dword [edi + 0x18], ebx
je 0x518d58
mov eax, dword [edi + 0x10]
cmp eax, ebx
jbe 0x518d58
cmp eax, 0x10
jb 0x518d58
push 0x20
call dword [0x5f9664]
mov esi, eax
add esp, 4
cmp esi, ebx
je 0x518d65
mov edx, dword [edi]
mov dword [esi], edx
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov ecx, dword [edi + 8]
mov dword [esi + 8], ecx
mov edx, dword [edi + 0xc]
push 0x10
mov dword [esi + 0xc], edx
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], ebx
mov dword [esi + 0x14], ebx
mov dword [esi + 0x1c], ebx
call dword [0x5f9664]
add esp, 4
mov dword [esi + 0x18], eax
cmp eax, ebx
je 0x518d6f
mov ecx, dword [edi + 0x18]
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov edx, dword [ecx + 8]
mov dword [eax + 8], edx
mov ecx, dword [ecx + 0xc]
mov dword [eax + 0xc], ecx
mov eax, dword [edi + 0x14]
cmp eax, ebx
je 0x518d45
push eax
call dword [0x5f9670]
add esp, 4
mov dword [esi + 0x14], eax
cmp eax, ebx
je 0x518d83
cmp dword [esp + 0x10], ebx
jne 0x518d4f
mov dword [esp + 0x10], esi
cmp ebp, ebx
je 0x518d56
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
cmp edi, ebx
jne 0x518ca0
jmp 0x518d9f
mov dword [esp + 0x14], 8
jmp 0x518d9f
push esi
mov dword [esp + 0x18], 8
call dword [0x5f9668]
add esp, 4
jmp 0x518d9f
mov edx, dword [esi + 0x18]
push edx
mov dword [esp + 0x18], 8
call dword [0x5f9668]
push esi
call dword [0x5f9668]
add esp, 8
mov eax, dword [esp + 0x18]
pop esi
cmp eax, ebx
je 0x518daf
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
cmp dword [esp + 0x10], ebx
je 0x518dd9
mov eax, dword [esp + 0xc]
push eax
call fcn.00518c10
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x14]
add esp, 4
pop edi
mov ecx, ebx
pop ebp
mov dword [esp + 4], ebx
mov dword [edx], ecx
pop ebx
add esp, 0xc
ret
cmp dword [esp + 0xc], ebx
jne 0x518df2
push 0x2af9
mov dword [esp + 0x14], 0x2af9
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x10]
mov dword [edx], ecx
pop edi
pop ebp
pop ebx
add esp, 0xc
ret

Function at 0x519140
Capabilities:
Create thread

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push 0
push 0
push eax
push ecx
push 0
push 0
call fcn.0053ec8f
add esp, 0x18
test eax, eax
je 0x519163
cmp eax, 0xffffffff
jne 0x519165
xor eax, eax
ret
Function at 0x51a3f0
Capabilities:
Parse pe header

Disassembly:
mov al, byte [esp + 4]
movsx ecx, al
add ecx, 0xffffff9f
cmp ecx, 0x19
ja case.default.0x51a3ff
jmp dword [ecx*4 + 0x51a454]
mov al, 0x41
ret
mov al, 0x42
ret
mov al, 0x43
ret
mov al, 0x44
ret
mov al, 0x45
ret
mov al, 0x46
ret
mov al, 0x47
ret
mov al, 0x48
ret
mov al, 0x49
ret
mov al, 0x4a
ret
mov al, 0x4b
ret
mov al, 0x4c
ret
mov al, 0x4d
ret
mov al, 0x4e
ret
mov al, 0x4f
ret
mov al, 0x50
ret
mov al, 0x51
ret
mov al, 0x52
ret
mov al, 0x53
ret
mov al, 0x54
ret
mov al, 0x55
ret
mov al, 0x56
ret
mov al, 0x57
ret
mov al, 0x58
ret
mov al, 0x59
ret
mov al, 0x5a
ret
Function at 0x51bcc0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ecx
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x51bd08
mov ecx, dword [esp + 8]
mov edx, dword [esp + 0xc]
mov eax, dword [esp]
push ecx
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
test eax, eax
jne 0x51bd0f
mov ecx, dword [esp + 4]
push ecx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov eax, 1
pop ecx
ret
mov edx, dword [esp + 4]
push edx
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
pop ecx
ret
Function at 0x524a30
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esi + 0x10]
mov ecx, dword [eax]
push str.Connected_for_receive
push 0x58e1e0
push ecx
call fcn.00514490
add esp, 0xc
mov eax, esi
mov dword [esi], 1
call fcn.00523bf0
test eax, eax
jne 0x524a60
mov eax, esi
jmp fcn.00524080
ret
Function at 0x524e70
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x5f969c]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
mov ebp, dword [esp + 0x94]
mov ebx, dword [ebp]
push esi
mov esi, dword [ebp + 0x510]
push edi
lea eax, [esp + 0x10]
push eax
mov dword [esp + 0x14], 0x80
mov edx, dword [esi + 0x154]
mov eax, dword [esi + 0x15c]
lea ecx, [esp + 0x18]
push ecx
mov ecx, dword [esi + 0x14]
push 0
add edx, 4
lea edi, [esi + 0x15c]
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x524eff
mov edx, dword [esp + 0x10]
push edx
lea eax, [esp + 0x18]
push eax
lea ecx, [esi + 0xc8]
push ecx
call fcn.0053fa60
mov edx, dword [esp + 0x1c]
add esp, 0xc
mov dword [esi + 0x148], edx
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x524f3a
push str.Received_too_short_packet
push ebx
call fcn.00514520
add esp, 8
mov dword [esi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0053c85d
add esp, 0x88
ret
mov eax, edi
call fcn.00523d90
movzx eax, ax
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x524f53
jmp dword [eax*4 + 0x52503c]
cmp edx, 4
jle case.0x524f53.4
mov eax, edi
call fcn.00523da0
movzx ecx, word [esi + 0x40]
inc ecx
cmp cx, ax
jne case.0x524f53.4
add edx, 0xfffffffc
push edx
mov edx, dword [edi]
add edx, 4
push edx
push 1
push ebp
call fcn.005149e0
mov edi, eax
add esp, 0x10
test edi, edi
je 0x524fa6
mov ecx, 5
mov eax, esi
call fcn.00524df0
mov eax, edi
jmp 0x524f21
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0x70], eax
mov ecx, dword [ebx + 0x70]
adc dword [ebx + 0x74], edx
mov eax, dword [ebx + 0x74]
push eax
push ecx
push ebx
call fcn.0051c400
jmp 0x525012
mov eax, edi
call fcn.00523da0
movzx edx, ax
mov eax, dword [edi]
add eax, 4
push eax
push 0x58e1e0
push ebx
mov dword [esi + 8], edx
call fcn.00514490
jmp 0x525012
mov ecx, dword [edi]
add edx, 0xfffffffe
push edx
add ecx, 2
push ecx
push esi
call fcn.00523e30
add esp, 0xc
test eax, eax
je case.0x524f53.4
jmp 0x524f21
push str.Internal_error:_Unexpected_packet
push 0x5cca04
push ebx
call fcn.00514520
add esp, 0xc
push ebp
call fcn.0051c4e0
add esp, 4
test eax, eax
je 0x524f1f
mov ecx, 5
mov eax, esi
call fcn.00524df0
mov eax, 0x2a
jmp 0x524f21

Function at 0x526890
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5f969c]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x5268c5
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.00514520
add esp, 0xc
jmp 0x5268fe
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp]
cmp al, 2
jne 0x5268f0
shr eax, 8
test al, al
jne 0x5268f0
xor eax, eax
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.0053c85d
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.00514520
add esp, 8
mov ecx, dword [esp + 0x190]
xor ecx, esp
mov eax, 2
call fcn.0053c85d
add esp, 0x194
ret
Function at 0x526a90
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
mov edx, dword [edi + 0x154]
mov al, byte [esp + 8]
push esi
mov esi, dword [edi]
push 0
push 3
lea ecx, [esp + 0xc]
push ecx
push edx
mov byte [esp + 0x14], 0xff
mov byte [esp + 0x15], al
mov byte [esp + 0x16], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jge 0x526ad4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00514520
add esp, 0xc
mov esi, dword [esp + 0xc]
mov ecx, dword [edi]
push str.SENT
mov eax, ebx
call fcn.00526990
add esp, 4
pop esi
pop ecx
ret