joyce8/EMBER2024-capa huggingface dataset:
Function at 0x1400d6230
Capabilities:
Query environment variable

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r14
sub rsp, 0x20
mov r14, rcx
mov ebx, 1
mov edx, ebx
xor ecx, ecx
xor ebp, ebp
call qword [0x14014af08]
mov rdi, rax
test rax, rax
je 0x1400d62ad
nop word [rax + rax]
mov r8d, ebx
mov rdx, rdi
mov rcx, r14
mov rbp, rdi
mov esi, ebx
call qword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov ebx, eax
test eax, eax
je 0x1400d62d8
cmp ebx, esi
je 0x1400d62d8
cmp ebx, 0x8000
ja 0x1400d62d8
cmp ebx, esi
jb 0x1400d62d3
mov edx, ebx
mov rcx, rdi
call qword [0x14014af08]
mov rdi, rax
test rax, rax
jne 0x1400d6270
mov rcx, rbp
call qword [fcn.1400faaba]
xor eax, eax
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x40]
mov rdi, qword [rsp + 0x48]
add rsp, 0x20
pop r14
ret
mov rax, rdi
jmp 0x1400d62b8
mov rcx, rdi
jmp 0x1400d62b0

Function at 0x1400dc880
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rbp
mov qword [rsp + 0x20], rsi
push rdi
sub rsp, 0xc0
mov rax, qword [0x14014af58]
xor rax, rsp
mov qword [rsp + 0xb0], rax
mov rbp, qword [rcx + 0x4c8]
lea r8, [rsp + 0x20]
mov rsi, qword [rcx]
lea rdx, [rsp + 0x30]
mov rdi, rcx
mov dword [rsp + 0x20], 0x80
mov rcx, rbp
mov rbx, 0xffffffffffffffff
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1400dc8fa
lea r8, [rsp + 0x20]
mov dword [rsp + 0x20], 0x80
lea rdx, [rsp + 0x30]
mov rcx, rbp
call qword [sym.imp.WS2_32.dll_accept]
mov rbx, rax
mov rdx, rbp
mov rcx, rdi
call fcn.1400c1450
mov rcx, rsi
cmp rbx, 0xffffffffffffffff
jne 0x1400dc91f
lea rdx, str.Error_accept__ing_server_connect
call fcn.1400c07f0
lea eax, [rbx + 0x1f]
jmp 0x1400dc998
lea rdx, str.Connection_accepted_from_server_n
call fcn.1400c0970
mov edx, 1
mov byte [rdi + 0x660], 0
mov rcx, rbx
mov qword [rdi + 0x4c8], rbx
call fcn.1400cef80
mov byte [rdi + 0xb2c], 1
cmp qword [rsi + 0x728], 0
je 0x1400dc996
mov dl, 1
mov rcx, rsi
call fcn.1400b1180
mov rcx, qword [rsi + 0x730]
mov r8d, 1
mov rdx, rbx
call qword [rsi + 0x728]
xor edx, edx
mov rcx, rsi
mov ebx, eax
call fcn.1400b1180
test ebx, ebx
je 0x1400dc996
mov rcx, rdi
call fcn.1400dceb0
mov eax, Ordinal_45
jmp 0x1400dc998
xor eax, eax
mov rcx, qword [rsp + 0xb0]
xor rcx, rsp
call fcn.1400f98b0
lea r11, [rsp + 0xc0]
mov rbx, qword [r11 + 0x18]
mov rbp, qword [r11 + 0x20]
mov rsi, qword [r11 + 0x28]
mov rsp, r11
pop rdi
ret

Function at 0x1400dd990
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rax, qword [rcx]
mov rbx, rcx
add rcx, 0xa00
cmp byte [rax + 0xf09], 0
jne 0x1400dd9b5
cmp dword [rax + 0x9f8], 0
je 0x1400dd9e1
mov r8, qword [rcx + 0x88]
test r8, r8
je 0x1400dd9e1
lea rdx, str.MDTM__s
call fcn.1400f49e0
test eax, eax
jne 0x1400dd9ee
mov dword [rbx + 0xab8], 0x12
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.1400de820
add rsp, 0x20
pop rbx
ret
Function at 0x1400de1a0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
mov rcx, qword [rcx]
mov rax, qword [rcx + 0x1e0]
cmp dword [rax + 0x10], 0
je 0x1400de1d8
mov r8d, reloc.WS2_32.dll_listen
mov dword [rbx + 0xab8], 0xd
mov dl, 1
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.1400de2f0
cmp byte [rcx + 0xf0e], 0
je 0x1400de1f0
xor edx, edx
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.1400dece0
cmp byte [rcx + 0xf11], 0
je 0x1400de291
mov r8, qword [rbx + 0xa88]
test r8, r8
jne 0x1400de24b
mov r8, qword [rcx + 0xc08]
test r8, r8
jne 0x1400de22e
cmp byte [rcx + 0xf0d], 0
lea rax, str.NLST
lea r8, str.LIST
cmovne r8, rax
lea rcx, [rbx + 0xa00]
lea rdx, str.PRET__s
call fcn.1400f49e0
test eax, eax
je 0x1400de281
add rsp, 0x20
pop rbx
ret
cmp byte [rcx + 0xf1d], 0
lea rcx, [rbx + 0xa00]
je 0x1400de271
lea rdx, str.PRET_STOR__s
call fcn.1400f49e0
test eax, eax
je 0x1400de281
add rsp, 0x20
pop rbx
ret
lea rdx, str.PRET_RETR__s
call fcn.1400f49e0
test eax, eax
jne 0x1400de29e
mov dword [rbx + 0xab8], 0x1d
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.1400dec50
add rsp, 0x20
pop rbx
ret

Function at 0x1400de5e0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rax, qword [rcx]
mov rbx, rcx
mov rdx, qword [rax + 0x1e0]
cmp dword [rdx + 0x10], 0
je 0x1400de62d
cmp qword [rcx + 0xa88], 0
je 0x1400de62d
add rcx, 0xa00
lea rdx, str.REST__d
xor r8d, r8d
call fcn.1400f49e0
test eax, eax
jne 0x1400de637
mov dword [rbx + 0xab8], 0x1a
add rsp, 0x20
pop rbx
ret
add rsp, 0x20
pop rbx
jmp fcn.1400de1a0
add rsp, 0x20
pop rbx
ret

Function at 0x1400de7c0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push rbx
sub rsp, 0x20
mov rbx, rcx
add rcx, 0xa00
mov rax, qword [rbx]
mov rdx, qword [rax + 0x1e0]
cmp dword [rdx + 0x10], 1
jne 0x1400de80c
mov r8, qword [rcx + 0x88]
test r8, r8
je 0x1400de80c
lea rdx, str.SIZE__s
call fcn.1400f49e0
test eax, eax
jne 0x1400de819
mov dword [rbx + 0xab8], 0x17
add rsp, 0x20
pop rbx
ret
mov rcx, rbx
add rsp, 0x20
pop rbx
jmp fcn.1400de5e0
add rsp, 0x20
pop rbx
ret

Function at 0x1400de820
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
mov r9, qword [rcx]
cmp byte [r9 + 0xf1c], 0
je 0x1400de878
cmp qword [rcx + 0xa88], 0
je 0x1400de878
cmp byte [r9 + 0xf0b], 0
mov eax, 0x41
mov edx, 0x49
cmovne edx, eax
movsx eax, byte [rcx + 0xaa8]
cmp eax, edx
je 0x1400de878
mov rax, qword [r9 + 0x1e0]
mov r8d, reloc.WS2_32.dll_send
mov dword [rax + 0x10], 1
movzx edx, byte [r9 + 0xf0b]
jmp fcn.1400dd0c0
jmp fcn.1400de7c0
Function at 0x1400de880
Capabilities:
Check http status code

Disassembly:
push rbx
push rsi
push rdi
sub rsp, 0x30
xor ebx, ebx
lea eax, [rdx - 0xc8]
mov rdi, rcx
mov rcx, qword [rcx]
mov esi, r8d
cmp eax, 0x64
jb 0x1400de8b5
lea rdx, str.Couldnt_set_desired_mode
call fcn.1400c07f0
lea eax, [rbx + 0x11]
add rsp, 0x30
pop rdi
pop rsi
pop rbx
ret
cmp edx, 0xc8
je 0x1400de8cc
mov r8d, edx
lea rdx, str.Got_a__03d_response_code_instead_of_the_assumed_200_n
call fcn.1400c0970
mov qword [rsp + 0x58], rbp
mov qword [rsp + 0x60], r14
cmp esi, 0x13
jne 0x1400de8e8
mov rcx, rdi
call fcn.1400de7c0
jmp 0x1400dea1f
cmp esi, 0x14
jne 0x1400dea01
mov rsi, qword [rdi]
mov rbp, rbx
cmp dword [rsi + 0xba0], 2
jne 0x1400de969
mov rax, qword [rsi + 0x1e0]
mov rdx, qword [rax]
test rdx, rdx
je 0x1400de969
mov byte [rsp + 0x28], 1
lea r9, [rsp + 0x50]
xor r8d, r8d
mov qword [rsp + 0x20], rbx
mov rcx, rsi
mov qword [rsp + 0x50], rbx
call fcn.1400d6370
test eax, eax
jne 0x1400dea1f
mov rcx, qword [rsp + 0x50]
lea edx, [rax + 0x2f]
call sub.VCRUNTIME140.dll_strrchr
test rax, rax
je 0x1400de95e
mov rbp, qword [rsp + 0x50]
mov ecx, 1
sub rax, rbp
cmovne rcx, rax
mov byte [rcx + rbp], bl
jmp 0x1400de969
mov rcx, qword [rsp + 0x50]
call qword [fcn.1400faaba]
mov rdx, qword [rsi + 0xc08]
test rdx, rdx
jne 0x1400de98d
cmp byte [rsi + 0xf0d], bl
lea rax, str.NLST
lea rdx, str.LIST
cmovne rdx, rax
lea r8, [0x14010bd32]
test rbp, rbp
mov r9, r8
lea rax, [0x14010c3e0]
cmovne r9, rbp
lea rcx, [0x14011d390]
cmovne r8, rax
call fcn.1400af0b0
mov rcx, rbp
mov r14, rax
call qword [fcn.1400faaba]
test r14, r14
jne 0x1400de9cc
lea ebx, [r14 + 0x1b]
jmp 0x1400dea21
lea rcx, [rdi + 0xa00]
mov r8, r14
lea rdx, [0x140121a50]
call fcn.1400f49e0
mov rcx, r14
mov esi, eax
call qword [fcn.1400faaba]
test esi, esi
je 0x1400de9f5
mov ebx, esi
jmp 0x1400dea21
mov dword [rdi + 0xab8], 0x1f
jmp 0x1400dea21
cmp esi, 0x15
jne 0x1400dea0c
lea r8d, [rsi - 8]
jmp 0x1400dea15
cmp esi, 0x16
jne 0x1400dea21
lea r8d, [rsi - 8]
mov dl, 1
mov rcx, rdi
call fcn.1400de2f0
mov ebx, eax
mov r14, qword [rsp + 0x60]
mov eax, ebx
mov rbp, qword [rsp + 0x58]
add rsp, 0x30
pop rdi
pop rsi
pop rbx
ret
Function at 0x1400e4310
Capabilities:
Write file on windows

Disassembly:
sub rsp, 0x38
cmp byte [rcx + 0xf1e], 0
movsxd r10, r9d
je 0x1400e4434
cmp r8d, 0xff
jne 0x1400e4371
lea eax, [r10 - 0xec]
cmp eax, 0x13
ja 0x1400e435b
lea r8, [0x140000000]
mov r9, qword [r8 + r10*8 + 0x1235b0]
mov r8, rdx
lea rdx, str._s_IAC__s_n
add rsp, 0x38
jmp fcn.1400c0970
mov r8, rdx
mov r9d, r10d
lea rdx, str._s_IAC__d_n
add rsp, 0x38
jmp fcn.1400c0970
cmp r8d, 0xfb
jne 0x1400e4383
lea r9, str.WILL
jmp 0x1400e43c1
cmp r8d, 0xfc
jne 0x1400e4395
lea r9, str.WONT
jmp 0x1400e43c1
cmp r8d, 0xfd
jne 0x1400e43a7
lea r9, [0x140123fd4]
jmp 0x1400e43c1
xor r9d, r9d
lea rax, str.DONT
cmp r8d, 0xfe
cmove r9, rax
test r9, r9
je 0x1400e441d
cmp r10d, 0x27
jg 0x1400e43f4
lea r8, [0x140000000]
mov r8, qword [r8 + r10*8 + 0x123bd0]
test r8, r8
jne 0x1400e4404
mov r8, rdx
mov dword [rsp + 0x20], r10d
lea rdx, str._s__s__d_n
call fcn.1400c0970
add rsp, 0x38
ret
cmp r10d, 0xff
jne 0x1400e43db
lea r8, str.EXOPL
mov qword [rsp + 0x20], r8
mov r8, rdx
lea rdx, str._s__s__s_n
call fcn.1400c0970
add rsp, 0x38
ret
mov r9d, r8d
mov dword [rsp + 0x20], r10d
mov r8, rdx
lea rdx, str._s__d__d_n
call fcn.1400c0970
add rsp, 0x38
ret

Function at 0x1400e4780
Capabilities:
Send data
Send data on socket

Disassembly:
mov rax, rsp
mov qword [rax + 8], rbx
mov qword [rax + 0x18], rbp
mov qword [rax + 0x20], rsi
push rdi
sub rsp, 0x20
mov rbp, qword [rcx]
mov edi, r8d
mov esi, edx
mov byte [rax + 0x10], 0xff
xor r9d, r9d
mov byte [rax + 0x11], sil
mov rbx, rcx
mov byte [rax + 0x12], dil
mov rcx, qword [rcx + 0x4c0]
lea rdx, [rax + 0x10]
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400e47df
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400c07f0
mov rcx, qword [rbx]
lea rdx, str.SENT
mov r9d, edi
mov r8d, esi
call fcn.1400e4310
mov rbx, qword [rsp + 0x30]
mov rbp, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x20
pop rdi
ret
Function at 0x1400e4990
Capabilities:
Send data
Send data on socket

Disassembly:
cmp edx, 0x1f
jne 0x1400e4b38
push rbp
push rdi
push r14
sub rsp, 0x20
mov rbp, qword [rcx]
mov r14, rcx
mov qword [rsp + 0x40], rbx
mov qword [rsp + 0x50], rsi
mov qword [rsp + 0x58], r15
mov rdi, qword [rbp + 0x1e0]
lea rsi, [rdi + 0x1cb8]
lea rbx, [rdi + 0x1eb8]
mov qword [rbx], rsi
cmp rsi, rbx
jae 0x1400e49f5
lea rax, [rsi + 1]
mov byte [rsi], 0xff
mov qword [rbx], rax
cmp rax, rbx
jae 0x1400e49f5
mov byte [rax], 0xfa
inc qword [rbx]
mov rax, qword [rbx]
cmp rax, rbx
jae 0x1400e49f5
mov byte [rax], dl
inc qword [rbx]
movzx ecx, word [rdi + 0x1ca8]
call qword [sym.imp.WS2_32.dll_htons]
movzx ecx, word [rdi + 0x1caa]
movzx r15d, ax
mov word [rsp + 0x48], ax
call qword [sym.imp.WS2_32.dll_htons]
mov r9, qword [rbx]
movzx ecx, ax
cmp r9, rbx
jae 0x1400e4a2c
mov byte [r9], r15b
inc qword [rbx]
mov r9, qword [rbx]
mov r15, qword [rsp + 0x58]
cmp r9, rbx
jae 0x1400e4a82
movzx eax, byte [rsp + 0x49]
mov byte [r9], al
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400e4a82
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400e4a82
shr cx, 8
mov byte [r9], cl
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400e4a82
mov byte [r9], 0xff
inc qword [rbx]
mov r9, qword [rbx]
cmp r9, rbx
jae 0x1400e4a82
mov byte [r9], 0xf0
mov r9, qword [rbx]
inc r9
mov qword [rdi + 0x1ec0], r9
lea r8, [rdi + 0x1cba]
sub r9, rsi
mov qword [rbx], rsi
sub r9, 2
mov edx, 0x3e
mov rcx, rbp
call fcn.1400e4440
mov rcx, qword [r14 + 0x4c0]
xor r9d, r9d
mov rdx, rsi
lea r8d, [r9 + 3]
call qword [sym.imp.WS2_32.dll_send]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x40]
test eax, eax
jns 0x1400e4ae4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400c07f0
lea rdx, [rdi + 0x1cbb]
mov r8d, 4
mov rcx, r14
call fcn.1400e4810
mov rcx, qword [r14 + 0x4c0]
lea rdx, [rdi + 0x1cbf]
xor r9d, r9d
lea r8d, [r9 + 2]
call qword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x1400e4b30
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
lea rdx, str.Sending_data_failed___d_
mov rcx, rbp
mov r8d, eax
call fcn.1400c07f0
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret
Function at 0x1400e62a0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push rbx
push rdi
push r14
sub rsp, 0xd0
mov rax, qword [0x14014af58]
xor rax, rsp
mov qword [rsp + 0xc0], rax
mov rbx, qword [rcx + 0xa00]
lea rax, [rsp + 0x30]
mov rdi, qword [rcx]
mov r14, rcx
mov dword [rsp + 0x30], 0x80
xor r9d, r9d
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x40]
mov r8d, dword [rbx + 0x15c]
mov rdx, qword [rbx + 0x168]
add r8d, 4
mov rcx, qword [rbx + 0x18]
mov qword [rsp + 0x20], rax
call qword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [rbx + 0x150], 0
mov dword [rbx + 0x154], eax
jne 0x1400e6335
movsxd r8, dword [rsp + 0x30]
lea rcx, [rbx + 0xd0]
lea rdx, [rsp + 0x40]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsp + 0x30]
mov dword [rbx + 0x150], eax
mov r8d, dword [rbx + 0x154]
mov qword [rsp + 0xf8], rbp
mov qword [rsp + 0x100], rsi
cmp r8d, 4
jge 0x1400e6396
lea rdx, str.Received_too_short_packet
mov rcx, rdi
call fcn.1400c07f0
mov dword [rbx + 0xc], 7
xor eax, eax
mov rsi, qword [rsp + 0x100]
mov rbp, qword [rsp + 0xf8]
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.1400f98b0
add rsp, 0xd0
pop r14
pop rdi
pop rbx
ret
mov rdx, qword [rbx + 0x168]
movzx eax, byte [rdx]
movzx ecx, byte [rdx + 1]
shl eax, 8
or ecx, eax
mov dword [rbx + 0xc], ecx
sub ecx, 3
je 0x1400e6451
sub ecx, 1
je 0x1400e64c4
sub ecx, 1
je 0x1400e6400
cmp ecx, 1
je 0x1400e63e3
lea r8, str.Internal_error:_Unexpected_packet
mov rcx, rdi
lea rdx, [0x140121a50]
call fcn.1400c07f0
jmp 0x1400e64c4
add r8d, 0xfffffffe
add rdx, 2
mov rcx, rbx
call fcn.1400e5fd0
test eax, eax
je 0x1400e64c4
jmp 0x1400e636a
movzx ecx, byte [rdx + 2]
lea eax, [r8 - 4]
movsxd rbp, eax
lea rsi, [rdx + 4]
movzx eax, byte [rdx + 3]
mov r8, rbp
shl ecx, 8
xor edx, edx
or ecx, eax
mov dword [rbx + 8], ecx
mov rcx, rsi
call sub.VCRUNTIME140.dll_memchr
test rax, rax
je 0x1400e64c4
sub rax, rsi
cmp rax, rbp
jae 0x1400e64c4
mov r8, rsi
lea rdx, str.TFTP_error:__s_n
mov rcx, rdi
call fcn.1400c0970
jmp 0x1400e64c4
cmp r8d, 4
jle 0x1400e64c4
movzx eax, byte [rdx + 3]
movzx ecx, byte [rdx + 2]
shl ecx, 8
or ecx, eax
movzx eax, word [rbx + 0x48]
inc eax
movzx eax, ax
cmp eax, ecx
jne 0x1400e64c4
lea eax, [r8 - 4]
mov rcx, r14
lea r8, [rdx + 4]
movsxd r9, eax
mov edx, 1
call fcn.1400c0710
mov esi, eax
test eax, eax
je 0x1400e64a3
mov edx, 5
mov rcx, rbx
call fcn.1400e6f90
mov eax, esi
jmp 0x1400e636a
mov eax, dword [rbx + 0x154]
mov rcx, rdi
sub eax, 4
cdqe
add qword [rdi + 0xf8], rax
mov rdx, qword [rdi + 0xf8]
call fcn.1400cf1f0
mov rcx, r14
call fcn.1400cf4d0
test eax, eax
je 0x1400e6368
mov edx, 5
mov rcx, rbx
call fcn.1400e6f90
mov eax, Ordinal_45
jmp 0x1400e636a
Function at 0x1400f9260
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rdi
push r14
sub rsp, 0x20
mov eax, dword [rcx + 0x18]
mov rbx, rcx
mov ebp, r8d
mov r14, rdx
lea ecx, [rax + rax]
mov eax, dword [rbx + 0x20]
add rax, 0x18
add rcx, rax
call qword [sub.api_ms_win_crt_heap_l1_1_0.dll_malloc]
mov rdi, rax
test rax, rax
jne 0x1400f92a2
mov rbx, qword [rsp + 0x50]
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret
lea rcx, [rax + 0x18]
mov qword [rax], rbx
mov qword [rax + 8], rcx
mov eax, dword [rbx + 0x18]
add rax, rcx
mov qword [rsp + 0x48], rsi
mov qword [rdi + 0x10], rax
cmp ebp, dword [rbx + 0x1c]
jbe 0x1400f92e9
call qword [rbx]
mov rcx, qword [rdi + 8]
mov r8d, ebp
mov rdx, r14
call qword [rbx + reloc.WS2_32.dll_htonl]
mov r14d, dword [rbx + 0x18]
add r14, qword [rdi + 0x10]
mov rdx, qword [rdi + 8]
mov rcx, r14
call qword [rbx + reloc.WS2_32.dll_recv]
mov rcx, qword [rdi + 8]
mov ebp, dword [rbx + 0x20]
call qword [rbx]
mov rcx, qword [rdi + 0x10]
call qword [rbx]
xor esi, esi
test rbp, rbp
je 0x1400f9342
mov rsi, rbp
nop dword [rax + rax]
movzx eax, byte [r14]
lea rdx, [rsp + 0x40]
xor al, 0x36
mov r8d, 1
mov byte [rsp + 0x40], al
mov rcx, qword [rdi + 8]
call qword [rbx + reloc.WS2_32.dll_htonl]
movzx eax, byte [r14]
lea rdx, [rsp + 0x40]
xor al, 0x5c
lea r14, [r14 + 1]
mov byte [rsp + 0x40], al
mov r8d, 1
mov rcx, qword [rdi + 0x10]
call qword [rbx + reloc.WS2_32.dll_htonl]
sub rbp, 1
jne 0x1400f9300
mov eax, dword [rbx + 0x1c]
cmp rsi, rax
jae 0x1400f9383
nop word [rax + rax]
mov rcx, qword [rdi + 8]
lea rdx, [0x14012713b]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov rcx, qword [rdi + 0x10]
lea rdx, [0x14012713c]
mov r8d, 1
call qword [rbx + reloc.WS2_32.dll_htonl]
mov eax, dword [rbx + 0x1c]
inc rsi
cmp rsi, rax
jb 0x1400f9350
mov rsi, qword [rsp + 0x48]
mov rax, rdi
mov rbx, qword [rsp + 0x50]
add rsp, 0x20
pop r14
pop rdi
pop rbp
ret

Function at 0x1400fa724
Capabilities:
Parse pe header

Disassembly:
sub rsp, 0x28
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test rax, rax
je 0x1400fa76e
mov ecx, 0x5a4d
cmp word [rax], cx
jne 0x1400fa76e
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x1400fa76e
mov eax, 0x20b
cmp word [rcx + 0x18], ax
jne 0x1400fa76e
cmp dword [rcx + 0x84], 0xe
jbe 0x1400fa76e
cmp dword [rcx + 0xf8], 0
setne al
jmp 0x1400fa770
xor al, al
add rsp, 0x28
ret
Function at 0x4014f0
Capabilities:
Initialize winsock library
Resolve dns

Disassembly:
push rbp
sub rsp, 0x1d0
lea rbp, [rsp + 0x80]
mov qword [rbp + 0x160], rcx
mov dword [rbp + 0x168], edx
mov word [rbp + 0x14e], 0x101
movzx eax, word [rbp + 0x14e]
lea rdx, [rbp - 0x60]
mov ecx, eax
mov rax, qword [sym.imp.WSOCK32.dll_WSAStartup]
call rax
lea rcx, section..rdata
mov rax, qword [sym.imp.WSOCK32.dll_gethostbyname]
call rax
mov qword [rbp + 0x140], rax
mov rax, qword [rbp + 0x140]
mov rax, qword [rax + 0x18]
mov rax, qword [rax]
mov ecx, dword [rax]
mov rax, qword [sym.imp.WSOCK32.dll_inet_ntoa]
call rax
mov qword [rbp + 0x138], rax
mov eax, dword [rbp + 0x168]
sub eax, 1
movsxd rdx, eax
mov rax, qword [rbp + 0x138]
mov r8, rdx
mov rdx, rax
mov rcx, qword [rbp + 0x160]
call sub.msvcrt.dll_strncpy
mov eax, dword [rbp + 0x168]
cdqe
lea rdx, [rax - 1]
mov rax, qword [rbp + 0x160]
add rax, rdx
mov byte [rax], 0
mov rax, qword [sym.imp.WSOCK32.dll_WSACleanup]
call rax
nop
add rsp, 0x1d0
pop rbp
ret

Function at 0x4015b4
Capabilities:
Execute command
Get common file path

Disassembly:
push rbp
sub rsp, 0x130
lea rbp, [rsp + 0x80]
call fcn.004024a0
mov qword [rbp + 0x80], 0
mov qword [rbp + 0x88], 0
mov dword [rbp + 0x90], 0
lea rax, [rbp + 0x80]
mov edx, 0x14
mov rcx, rax
call fcn.004014f0
lea rax, [rbp + 0x10]
mov r8d, 0x64
mov rdx, rax
mov ecx, 0
mov rax, qword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
call rax
lea rax, [rbp + 0x10]
mov edx, 0x5c
mov rcx, rax
call sub.msvcrt.dll_strrchr
mov qword [rbp + 0xa8], rax
mov rax, qword [rbp + 0xa8]
add rax, 1
mov qword [rbp + 0xa0], rax
lea rax, [rbp - 0x60]
mov rdx, rax
mov ecx, 0x64
mov rax, qword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
call rax
lea rax, [rbp + 0x80]
mov rdx, rax
lea rcx, str.your_flag_is:_cuc_2023__s_n
call sub.msvcrt.dll_printf
lea rcx, str.pause
call sub.msvcrt.dll_system
mov eax, 0
add rsp, 0x130
pop rbp
ret
Function at 0x401ea0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push r14
push r13
push r12
push rbp
push rdi
push rsi
push rbx
sub rsp, 0x60
mov rsi, rcx
mov ecx, dword [0x00407354]
mov rdi, rdx
mov rbp, r8
test ecx, ecx
jle 0x402085
mov rax, qword [0x00407358]
xor ebx, ebx
nop
mov r9, qword [rax + 8]
cmp rsi, r9
jb 0x401eec
mov rdx, qword [rax + 0x10]
mov edx, dword [rdx + 8]
add r9, rdx
cmp rsi, r9
jb 0x401fc0
add ebx, 1
add rax, 0x18
cmp ebx, ecx
jne 0x401ed0
mov rcx, rsi
call fcn.00402a00
test rax, rax
mov r12, rax
je 0x4020a9
movsxd rbx, ebx
lea r13, [rsp + 0x30]
lea r14, [rbx + rbx*2]
shl r14, 3
mov rbx, r14
add rbx, qword [0x00407358]
mov qword [rbx + 0x10], rax
mov dword [rbx], 0
call fcn.00402b40
mov edx, dword [r12 + 0xc]
mov r8d, 0x30
add rax, rdx
mov rdx, r13
mov qword [rbx + 8], rax
mov rax, qword [0x00407358]
mov rbx, qword [sym.imp.KERNEL32.dll_VirtualQuery]
mov rcx, qword [rax + r14 + 8]
call rbx
test rax, rax
je 0x40208c
mov eax, dword [rsp + 0x54]
cmp eax, 4
jne 0x402040
add dword [0x00407354], 1
mov r8d, 0x30
mov rdx, r13
mov rcx, rsi
call rbx
test rax, rax
je 0x4020b8
mov eax, dword [rsp + 0x54]
cmp eax, 4
jne 0x401fd0
mov r8, rbp
mov rdx, rdi
mov rcx, rsi
add rsp, 0x60
pop rbx
pop rsi
pop rdi
pop rbp
pop r12
pop r13
pop r14
jmp sub.msvcrt.dll_memcpy
lea r13, [rsp + 0x30]
mov rbx, qword [sym.imp.KERNEL32.dll_VirtualQuery]
jmp 0x401f7b
cmp eax, 0x40
je 0x401f9b
lea r12, [rsp + 0x2c]
mov r8d, 0x40
mov rdx, qword [rsp + 0x48]
mov rcx, qword [rsp + 0x30]
mov rbx, qword [sym.imp.KERNEL32.dll_VirtualProtect]
mov r9, r12
call rbx
mov r8, rbp
mov rdx, rdi
mov rcx, rsi
call sub.msvcrt.dll_memcpy
mov eax, dword [rsp + 0x54]
cmp eax, 0x40
je 0x402027
cmp eax, 4
je 0x402027
mov r9, r12
mov r8d, dword [rsp + 0x2c]
mov rdx, qword [rsp + 0x48]
mov rcx, qword [rsp + 0x30]
call rbx
nop
add rsp, 0x60
pop rbx
pop rsi
pop rdi
pop rbp
pop r12
pop r13
pop r14
ret
cmp eax, 0x40
je 0x401f74
add r14, qword [0x00407358]
mov r8d, 0x40
mov rdx, qword [rsp + 0x48]
mov rcx, qword [rsp + 0x30]
mov r9, r14
call qword [sym.imp.KERNEL32.dll_VirtualProtect]
test eax, eax
jne 0x401f74
call qword [sym.imp.KERNEL32.dll_GetLastError]
lea rcx, str.__VirtualProtect_failed_with_code_0x_x
mov edx, eax
call fcn.00401e30
xor ebx, ebx
jmp 0x401ef7
mov rax, qword [0x00407358]
mov edx, dword [r12 + 8]
lea rcx, str.__VirtualQuery_failed_for__d_bytes_at_address__p
mov r8, qword [rax + r14 + 8]
call fcn.00401e30
lea rcx, str.Address__p_has_no_image_section
mov rdx, rsi
call fcn.00401e30
lea rcx, str.__VirtualQuery_failed_for__d_bytes_at_address__p
mov r8, rsi
mov edx, 0x30
call fcn.00401e30
nop
nop dword [rax]
Function at 0x402690
Capabilities:
Get thread local storage value

Disassembly:
push rbp
push rdi
push rsi
push rbx
sub rsp, 0x28
lea rcx, [0x00407920]
call qword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov rbx, qword [0x00407900]
test rbx, rbx
je 0x4026e4
mov rbp, qword [sym.imp.KERNEL32.dll_TlsGetValue]
mov rdi, qword [sym.imp.KERNEL32.dll_GetLastError]
nop
mov ecx, dword [rbx]
call rbp
mov rsi, rax
call rdi
test eax, eax
jne 0x4026db
test rsi, rsi
je 0x4026db
mov rax, qword [rbx + 8]
mov rcx, rsi
call rax
mov rbx, qword [rbx + 0x10]
test rbx, rbx
jne 0x4026c0
mov rax, qword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
lea rcx, [0x00407920]
add rsp, 0x28
pop rbx
pop rsi
pop rdi
pop rbp
jmp rax

Function at 0x402900
Capabilities:
Enumerate pe sections

Disassembly:
movsxd rax, dword [rcx + 0x3c]
add rcx, rax
movzx eax, word [rcx + 0x14]
lea rax, [rcx + rax + 0x18]
movzx ecx, word [rcx + 6]
test ecx, ecx
je 0x402940
sub ecx, 1
lea rcx, [rcx + rcx*4]
lea r9, [rax + rcx*8 + 0x28]
mov ecx, dword [rax + 0xc]
mov r8d, ecx
cmp r8, rdx
ja 0x402937
add ecx, dword [rax + 8]
cmp rdx, rcx
jb 0x402942
add rax, 0x28
cmp rax, r9
jne 0x402924
xor eax, eax
repz ret

Function at 0x402a00
Capabilities:
Enumerate pe sections

Disassembly:
push rsi
push rbx
sub rsp, 0x28
cmp word [0x00400000], 0x5a4d
lea rbx, [0x00400000]
mov rsi, rcx
je 0x402a24
xor eax, eax
add rsp, 0x28
pop rbx
pop rsi
ret
mov rcx, rbx
call fcn.004028c0
test eax, eax
je 0x402a1b
sub rsi, rbx
mov rcx, rbx
mov rdx, rsi
add rsp, 0x28
pop rbx
pop rsi
jmp fcn.00402900

Function at 0x140002684
Capabilities:
Parse pe header

Disassembly:
sub rsp, 0x28
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_GetModuleHandleW]
test rax, rax
je 0x1400026ce
mov ecx, 0x5a4d
cmp word [rax], cx
jne 0x1400026ce
movsxd rcx, dword [rax + 0x3c]
add rcx, rax
cmp dword [rcx], 0x4550
jne 0x1400026ce
mov eax, 0x20b
cmp word [rcx + 0x18], ax
jne 0x1400026ce
cmp dword [rcx + 0x84], 0xe
jbe 0x1400026ce
cmp dword [rcx + 0xf8], 0
setne al
jmp 0x1400026d0
xor al, al
add rsp, 0x28
ret