joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4c1390
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4c143f
push esi
call fcn.004d7b80
add esp, 4
test al, al
jne 0x4c143f
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x4c13b7
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.004e1010
add esp, 0xc
test eax, eax
je 0x4c13eb
sub eax, esi
push eax
push 0x2e
push esi
call fcn.004e1010
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x4c13ed
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
lea ebx, [esi + edi]
mov edi, 0x1505
cmp esi, ebx
jae 0x4c141e
nop dword [eax]
mov al, byte [esi]
push eax
call fcn.004d4900
movsx ecx, al
inc esi
mov eax, edi
add esp, 4
shl eax, 5
add eax, edi
xor ecx, eax
mov edi, ecx
cmp esi, ebx
jb 0x4c1400
mov eax, 0x4104105
mov esi, edi
mul edi
sub esi, edx
shr esi, 1
add esi, edx
shr esi, 5
mov ecx, esi
shl ecx, 6
sub ecx, esi
sub edi, ecx
mov eax, edi
pop edi
pop ebx
pop esi
ret
xor eax, eax
pop esi
ret

Function at 0x4c1f80
Capabilities:
Convert ip address from string

Disassembly:
mov eax, dword [esp + 8]
test eax, eax
je 0x4c1fac
cmp byte [eax], 0
je 0x4c1fac
lea ecx, [esp + 8]
push ecx
push eax
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
je 0x4c1fa6
mov eax, 0x2b
ret
mov eax, dword [esp + 8]
jmp 0x4c1fb2
xor eax, eax
mov dword [esp + 8], eax
push eax
call dword [sym.imp.WS2_32.dll_ntohl]
push eax
mov eax, dword [esp + 8]
push dword [eax + 0x920]
call fcn.00510260
add esp, 8
xor eax, eax
ret

Function at 0x4c1fd0
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x48
mov eax, dword [0x5e1040]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x50]
push esi
mov esi, dword [esp + 0x50]
test eax, eax
je 0x4c2018
cmp byte [eax], 0
je 0x4c2018
lea ecx, [esp + 4]
push ecx
push eax
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
je 0x4c2029
mov eax, 0x2b
pop esi
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.004224b5
add esp, 0x48
ret
push 0x41
lea eax, [esp + 8]
push 0
push eax
call fcn.00547c40
add esp, 0xc
lea eax, [esp + 4]
push eax
push dword [esi + 0x920]
call fcn.00510290
mov ecx, dword [esp + 0x50]
add esp, 8
xor eax, eax
pop esi
xor ecx, esp
call fcn.004224b5
add esp, 0x48
ret
Function at 0x4c7840
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x14
mov eax, dword [0x5e1040]
xor eax, esp
mov dword [esp + 0x10], eax
mov ecx, dword [esp + 0x1c]
push ebx
push ebp
push esi
mov eax, dword [ecx]
push edi
mov edi, dword [esp + 0x28]
mov eax, dword [eax + 4]
and eax, 0xa
cmp al, 0xa
mov eax, dword [ecx + 0xc]
jne 0x4c7877
mov esi, dword [eax + 0x78]
mov ebx, dword [eax + 0x7c]
mov ebp, dword [eax + 0x80]
jmp 0x4c7883
mov esi, dword [eax + 0x30]
mov ebx, dword [eax + 0x34]
mov ebp, dword [eax + 0x4c0]
test esi, esi
je 0x4c7964
mov eax, dword [edi]
test eax, eax
je 0x4c78c0
mov ecx, esi
mov dl, byte [ecx]
cmp dl, byte [eax]
jne 0x4c78b3
test dl, dl
je 0x4c78af
mov dl, byte [ecx + 1]
cmp dl, byte [eax + 1]
jne 0x4c78b3
add ecx, 2
add eax, 2
test dl, dl
jne 0x4c7893
xor eax, eax
jmp 0x4c78b8
sbb eax, eax
or eax, 1
test eax, eax
je 0x4c7964
push edi
call fcn.004c77f0
push esi
call dword [0x5e11b8]
mov edx, eax
add esp, 8
mov dword [edi], edx
test edx, edx
je 0x4c791a
test ebx, ebx
je 0x4c793b
mov ecx, ebx
nop
mov al, byte [esi]
cmp al, byte [ecx]
jne 0x4c7900
test al, al
je 0x4c78fc
mov al, byte [esi + 1]
cmp al, byte [ecx + 1]
jne 0x4c7900
add esi, 2
add ecx, 2
test al, al
jne 0x4c78e0
xor eax, eax
jmp 0x4c7905
sbb eax, eax
or eax, 1
test eax, eax
je 0x4c793b
push ebx
call dword [0x5e11b8]
add esp, 4
mov dword [edi + 4], eax
test eax, eax
jne 0x4c793e
push edi
call fcn.004c77f0
add esp, 4
mov eax, 0x1b
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x10]
xor ecx, esp
call fcn.004224b5
add esp, 0x14
ret
mov dword [edi + 4], edx
mov esi, dword [edi]
test esi, esi
je 0x4c799a
cmp byte [esi], 0
je 0x4c799a
mov ebx, dword [sym.imp.WS2_32.dll_inet_pton]
lea eax, [esp + 0x10]
push eax
push esi
push 2
call ebx
test eax, eax
je 0x4c7983
mov dword [edi + 0xc], 1
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x20]
mov dword [edi + 0x10], ebp
mov dword [edi + 0x14], eax
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004224b5
add esp, 0x14
ret
lea eax, [esp + 0x10]
push eax
push esi
push 0x17
call ebx
test eax, eax
je 0x4c799a
mov dword [edi + 0xc], 2
jmp 0x4c7964
mov ecx, dword [edi]
mov dword [edi + 0xc], 0
cmp byte [ecx], 0
je 0x4c7964
mov esi, ecx
lea edx, [esi + 1]
nop dword [eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c79b0
sub esi, edx
je 0x4c79c3
cmp byte [ecx + esi - 1], 0x2e
jne 0x4c79c3
dec esi
cmp esi, 0xffff
jae 0x4c7964
lea eax, [esi + 1]
push eax
push 1
call dword [0x5e11bc]
add esp, 8
mov dword [edi + 8], eax
test eax, eax
je 0x4c791a
push esi
push dword [edi]
push eax
call fcn.004d4960
mov eax, dword [edi + 8]
add esp, 0xc
mov byte [esi + eax], 0
jmp 0x4c7964
Function at 0x4d1400
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x5901cc
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov ebx, eax
test ebx, ebx
jne 0x4d141a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push 0x5901e0
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x5901f0
push esi
call fcn.00560f09
add esp, 8
test eax, eax
je 0x4d1462
test ebp, ebp
je 0x4d1453
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x4d1488
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d1488
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x4d1562
mov ecx, esi
lea ebx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4d14a5
sub ecx, ebx
sar ecx, 1
lea eax, [ecx + edx]
lea eax, [eax*2 + 2]
push eax
call dword [0x5e11ac]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d1558
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x4d1558
mov ecx, ebx
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4d14e6
sub ecx, edx
sar ecx, 1
mov dword [ebx + ecx*2], 0x5c
mov ecx, ebx
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4d1501
sub ecx, edx
sar ecx, 1
add ecx, ecx
sub ecx, esi
add ecx, ebx
nop word [eax + eax]
movzx eax, word [esi]
lea esi, [esi + 2]
mov word [ecx + esi - 2], ax
test ax, ax
jne 0x4d1520
test ebp, ebp
je 0x4d154f
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x5e11b0]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov edi, eax
push ebx
call dword [0x5e11b0]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4d15d0
Capabilities:
Get common file path
Initialize winsock library
Link many functions at runtime

Disassembly:
sub esp, 0x198
mov eax, dword [0x5e1040]
xor eax, esp
mov dword [esp + 0x194], eax
test byte [esp + 0x19c], 2
je 0x4d1631
lea eax, [esp + 4]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4d1617
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4d1611
shr eax, 8
cmp al, 2
je 0x4d1631
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
mov ecx, dword [esp + 0x194]
xor ecx, esp
call fcn.004224b5
add esp, 0x198
ret
call fcn.005048b0
test eax, eax
jne 0x4d1817
push ebp
push esi
push edi
push 0x5901cc
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov ebp, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
test edi, edi
jne 0x4d1665
mov dword [0x5e3c4c], esi
jmp 0x4d179c
push ebx
push 0x5901e0
push edi
call ebp
push 0x5901f0
push str.iphlpapi.dll
mov ebx, eax
call fcn.00560f09
add esp, 8
test eax, eax
je 0x4d16ae
test ebx, ebx
je 0x4d169c
push 8
push 0
push str.iphlpapi.dll
call ebx
mov esi, eax
jmp 0x4d1780
push str.iphlpapi.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov esi, eax
jmp 0x4d1780
test ebx, ebx
je 0x4d16d3
push str.AddDllDirectory
push edi
call ebp
test eax, eax
je 0x4d16d3
push 0x800
push 0
push str.iphlpapi.dll
call ebx
mov esi, eax
jmp 0x4d1780
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
mov dword [esp + 0x10], eax
test eax, eax
je 0x4d1780
lea ecx, [eax*2 + 0x1a]
push ecx
call dword [0x5e11ac]
mov edi, eax
add esp, 4
test edi, edi
je 0x4d1776
push dword [esp + 0x10]
push edi
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
je 0x4d1776
mov ecx, edi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4d1714
sub ecx, edx
mov edx, edi
sar ecx, 1
mov dword [edi + ecx*2], 0x5c
lea ecx, [edx + 2]
nop
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x4d1730
sub edx, ecx
mov ecx, str.iphlpapi.dll
sar edx, 1
add edx, edx
sub edx, ecx
add edx, edi
nop word [eax + eax]
movzx eax, word [ecx]
lea ecx, [ecx + 2]
mov word [edx + ecx - 2], ax
test ax, ax
jne 0x4d1750
test ebx, ebx
je 0x4d176d
push 8
push 0
push edi
call ebx
jmp 0x4d1774
push edi
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov esi, eax
push edi
call dword [0x5e11b0]
add esp, 4
mov dword [0x5e3c4c], esi
pop ebx
test esi, esi
je 0x4d179c
push 0x590180
push esi
call ebp
test eax, eax
je 0x4d179c
mov dword [0x5e3c3c], eax
push str.ws2_32
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov esi, eax
test esi, esi
je 0x4d17d4
push str.FreeAddrInfoExW
push esi
call ebp
push str.GetAddrInfoExCancel
push esi
mov dword [0x5e3c40], eax
call ebp
push str.GetAddrInfoExW
push esi
mov dword [0x5e3c44], eax
call ebp
mov dword [0x5e3c48], eax
push 3
push 2
push 0
push 0
push 6
call fcn.005044b0
push 3
push 2
push 0
test al, al
push 2
push 6
setne byte [0x5e4771]
call fcn.005044b0
add esp, 0x28
test al, al
setne byte [0x5e4770]
push 0x5e4778
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
pop edi
pop esi
xor eax, eax
pop ebp
mov ecx, dword [esp + 0x194]
xor ecx, esp
call fcn.004224b5
add esp, 0x198
ret
Function at 0x4d7b80
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x18
mov eax, dword [0x5e1040]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
lea eax, [esp + 4]
push eax
push esi
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
jg 0x4d7bc8
lea eax, [esp + 8]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
test eax, eax
pop esi
setg al
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004224b5
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
mov al, 1
pop esi
xor ecx, esp
call fcn.004224b5
add esp, 0x18
ret

Function at 0x4d7d20
Capabilities:
Create udp socket

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4d7d5e
mov eax, dword [esi + 0x7c]
cmp byte [eax + 0x114], 0
jne 0x4d7d4f
push 0
call fcn.004d7d20
add esp, 4
test al, al
mov eax, dword [esi + 0x7c]
setne cl
inc cl
mov byte [eax + 0x114], cl
mov eax, dword [esi + 0x7c]
pop esi
cmp byte [eax + 0x114], 2
sete al
ret
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4d7d73
xor al, al
pop esi
ret
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov al, 1
pop esi
ret
Function at 0x4d8ab0
Capabilities:
Convert ip address from string
Resolve function by parsing pe exports

Disassembly:
sub esp, 0x6c
mov eax, dword [0x5e1040]
xor eax, esp
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x70]
push ebp
mov ebp, dword [esp + 0x78]
push edi
xor edi, edi
mov dword [esp + 8], eax
cmp byte [eax + 0x69a], 0
je 0x4d8c89
cmp byte [ebp + 0x18], 0
push ebx
lea ebx, [ebp + 0x18]
je 0x4d8c88
push esi
mov esi, dword [sym.imp.WS2_32.dll_inet_pton]
lea eax, [esp + 0x34]
push eax
push ebx
push 2
call esi
test eax, eax
jg 0x4d8c87
lea eax, [esp + 0x38]
push eax
push ebx
push 0x17
call esi
test eax, eax
jg 0x4d8c87
push dword [ebp + 0x14]
cmp byte [ebx], 0
mov eax, str._none_
mov esi, dword [ebp]
mov ebp, dword [esp + 0x14]
cmovne eax, ebx
push eax
push str.Host__s:_d_was_resolved.
push ebp
call fcn.004ce0e0
lea eax, [esp + 0x24]
push 0x400
push eax
call fcn.004bb8b0
lea eax, [esp + 0x3c]
push 0x400
push eax
call fcn.004bb8b0
add esp, 0x20
test esi, esi
je 0x4d8bfb
lea edx, [edi + 0x10]
mov ecx, dword [esi + 4]
cmp ecx, 0x17
je 0x4d8b72
cmp ecx, 2
jne 0x4d8bf0
xor eax, eax
mov byte [esp + 0x48], 0
cmp ecx, 2
lea ebx, [esp + 0x14]
cmovne eax, edx
add ebx, eax
sub ecx, 2
je 0x4d8ba1
sub ecx, 0x15
jne 0x4d8bb6
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 8
push eax
push 0x17
jmp 0x4d8bb1
push 0x2e
lea eax, [esp + 0x4c]
push eax
mov eax, dword [esi + 0x18]
add eax, 4
push eax
push 2
call sub.WS2_32.dll_inet_ntop
push ebx
call fcn.004bb8d0
add esp, 4
test eax, eax
je 0x4d8bd5
push 2
push 0x58becc
push ebx
call fcn.004bb870
add esp, 0xc
mov edi, eax
test edi, edi
jne 0x4d8c1b
lea eax, [esp + 0x48]
push eax
push ebx
call fcn.004bb810
mov edi, eax
add esp, 8
test edi, edi
jne 0x4d8c1b
lea edx, [eax + 0x10]
mov esi, dword [esi + 0x1c]
test esi, esi
jne 0x4d8b61
lea eax, [esp + 0x24]
push eax
call fcn.004bb8d0
add esp, 4
test eax, eax
je 0x4d8c2b
lea eax, [esp + 0x24]
push eax
call fcn.004bb8e0
add esp, 4
jmp 0x4d8c30
push str.too_many_IP__cant_show
push ebp
call fcn.004ce0e0
add esp, 8
jmp 0x4d8c70
mov eax, str._none_
push eax
push str.IPv6:__s
push ebp
call fcn.004ce0e0
lea eax, [esp + 0x20]
push eax
call fcn.004bb8d0
add esp, 0x10
test eax, eax
je 0x4d8c5c
lea eax, [esp + 0x14]
push eax
call fcn.004bb8e0
add esp, 4
jmp 0x4d8c61
mov eax, str._none_
push eax
push str.IPv4:__s
push ebp
call fcn.004ce0e0
add esp, 0xc
lea eax, [esp + 0x14]
push eax
call fcn.004bb880
lea eax, [esp + 0x28]
push eax
call fcn.004bb880
add esp, 8
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
pop edi
pop ebp
xor ecx, esp
call fcn.004224b5
add esp, 0x6c
ret
Function at 0x4e1770
Capabilities:
Move file

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
lea eax, [esp + 0xc]
push edi
push eax
call fcn.004c16f0
push dword [esp + 0x38]
movups xmm0, xmmword [eax]
movups xmmword [esp + 0x18], xmm0
call fcn.004e0af0
push dword [esp + 0x40]
mov edi, eax
call fcn.004e0af0
mov ebx, dword [sym.imp.KERNEL32.dll_MoveFileExW]
add esp, 0xc
mov esi, eax
push 1
push esi
push edi
call ebx
test eax, eax
jne 0x4e1805
mov ebp, dword [sym.imp.KERNEL32.dll_Sleep]
nop dword [eax + eax]
lea eax, [esp + 0x20]
push eax
call fcn.004c16f0
movups xmm0, xmmword [esp + 0x14]
sub esp, 0xc
mov ecx, esp
sub esp, 0x10
movups xmmword [ecx], xmm0
mov ecx, esp
movups xmm0, xmmword [eax]
movups xmmword [ecx], xmm0
call fcn.004c17a0
add esp, 0x20
test edx, edx
ja 0x4e1829
jb 0x4e17f7
cmp eax, 0x3e8
ja 0x4e1829
push 1
call ebp
push 1
push esi
push edi
call ebx
test eax, eax
je 0x4e17c0
test edi, edi
je 0x4e1812
push edi
call fcn.0054c170
add esp, 4
test esi, esi
je 0x4e181f
push esi
call fcn.0054c170
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x20
ret
test edi, edi
je 0x4e1836
push edi
call fcn.0054c170
add esp, 4
test esi, esi
je 0x4e1843
push esi
call fcn.0054c170
add esp, 4
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x20
ret

Function at 0x4e2710
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x1c]
mov ecx, 0x2b
test edi, edi
je 0x4e27c0
mov ebp, dword [esp + 0x14]
mov esi, dword [esp + 0x18]
nop dword [eax]
mov ebx, 4
lea eax, [esp + 0x1c]
push 4
push eax
cmp edi, ebx
push ebp
cmovb ebx, edi
call fcn.004c7ae0
add esp, 0xc
cmp eax, 4
je 0x4e2753
mov ecx, eax
jmp 0x4e277d
cmp byte [0x5e3c54], 0
jne 0x4e2787
push 2
push 4
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb ecx, ecx
and ecx, 2
mov eax, ecx
test eax, eax
jne 0x4e27c2
mov eax, dword [esp + 0x1c]
jmp 0x4e27a4
imul eax, dword [0x5e3c50], 0x41c64e6d
add eax, 0x3039
mov dword [0x5e3c50], eax
ror eax, 0x10
xor ecx, ecx
mov dword [esp + 0x1c], eax
test ebx, ebx
je 0x4e27b8
mov byte [esi], al
dec edi
inc esi
shr eax, 8
sub ebx, 1
jne 0x4e27a8
mov dword [esp + 0x1c], eax
test edi, edi
jne 0x4e2730
mov eax, ecx
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4e27d0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ebx
mov ebx, dword [esp + 0x10]
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
sub ebx, 1
je 0x4e284b
mov esi, dword [esp + 0x14]
mov ebp, 0x3e
nop word [eax + eax]
push 4
lea eax, [esp + 0x20]
push eax
push esi
call fcn.004c7ae0
add esp, 0xc
cmp eax, 4
jne 0x4e282c
cmp byte [0x5e3c54], 0
jne 0x4e2855
push 2
push eax
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0
push eax
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
test eax, eax
jne 0x4e2850
mov eax, dword [esp + 0x1c]
cmp eax, 0xfffffffc
jae 0x4e27f0
xor edx, edx
div ebp
mov al, byte [edx + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789]
mov byte [edi], al
inc edi
sub ebx, 1
jne 0x4e27f0
mov byte [edi], 0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
imul eax, dword [0x5e3c50], 0x41c64e6d
add eax, 0x3039
mov dword [0x5e3c50], eax
ror eax, 0x10
mov dword [esp + 0x1c], eax
jmp 0x4e2834

Function at 0x4e2880
Capabilities:
Generate random numbers via winapi

Disassembly:
push dword [esp + 8]
push 0
push dword [esp + 0xc]
call fcn.00547c40
add esp, 0xc
push 2
push dword [esp + 0xc]
push dword [esp + 0xc]
push 0
call sub.bcrypt.dll_BCryptGenRandom
neg eax
sbb eax, eax
and eax, 2
ret
Function at 0x4e57c0
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x5e11b4]
mov edi, eax
add esp, 8
test edi, edi
je 0x4e5817
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x4e582f
cmp esi, ebx
je 0x4e582f
cmp esi, 0x8000
ja 0x4e582f
cmp esi, ebx
jb 0x4e5828
push esi
push edi
call dword [0x5e11b4]
mov edi, eax
add esp, 8
test edi, edi
jne 0x4e57e0
push ebp
call dword [0x5e11b0]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x5e11b0]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4e6d00
Capabilities:
Send data
Send data on socket

Disassembly:
mov ecx, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push 0
mov byte [esp + 0x12], cl
lea ecx, [esp + 0x10]
push 3
mov eax, dword [esi + 0x18]
push ecx
mov byte [esp + 0x18], 0xff
mov byte [esp + 0x19], bl
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4e6d4c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004ce010
add esp, 0xc
push dword [esp + 0x14]
push ebx
push str.SENT
push esi
call fcn.004e6920
add esp, 0x10
pop esi
pop ebx
ret
Function at 0x4e6eb0
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0xc
cmp dword [esp + 0x14], 0x1f
push ebx
mov ebx, dword [esp + 0x14]
mov ecx, dword [ebx + 0x124]
mov eax, dword [ebx + 0x18]
mov dword [esp + 0x14], ecx
mov dword [esp + 4], eax
jne 0x4e701c
push ebp
push esi
lea ebp, [ecx + 0x1cc4]
push edi
lea edi, [ecx + 0x1ec4]
mov eax, ebp
mov dword [edi], ebp
cmp ebp, edi
jae 0x4e6ef4
lea eax, [ebp + 1]
mov byte [ebp], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x4e6f08
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4e6f08
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ecx + 0x1ca8]
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x24], eax
shr eax, 8
mov dword [esp + 0x14], eax
movzx ecx, word [ecx + 0x1caa]
push ecx
call esi
mov ecx, dword [edi]
mov edx, eax
shr edx, 8
mov dword [esp + 0x18], eax
cmp ecx, edi
jae 0x4e6f85
mov eax, dword [esp + 0x24]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e6f85
mov eax, dword [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e6f85
mov eax, dword [esp + 0x18]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e6f85
mov byte [ecx], dl
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e6f85
mov byte [ecx], 0xff
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4e6f85
mov byte [ecx], 0xf0
mov ecx, dword [edi]
inc ecx
mov esi, dword [esp + 0x20]
mov dword [edi], ebp
mov dword [esi + 0x1ec8], ecx
lea eax, [esi + 0x1cc6]
sub ecx, ebp
sub ecx, 2
push ecx
push eax
push 0x3e
push ebx
call fcn.004e6a20
mov eax, dword [esp + 0x20]
add esp, 0x10
push 0
push 3
push ebp
push dword [eax + 0x1a0]
mov ebp, dword [sym.imp.WS2_32.dll_send]
call ebp
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4e6fdb
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ce010
add esp, 0xc
push 4
lea eax, [esi + 0x1cc7]
push eax
push ebx
call fcn.004e6d70
add esp, 0xc
lea eax, [esi + 0x1ccb]
push 0
push 2
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x1a0]
call ebp
test eax, eax
jns 0x4e7019
call edi
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004ce010
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret