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Merge branch 'framework' of github.com:calebstewart/pwncat into framework

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This commit is contained in:
Caleb Stewart 2020-05-07 16:50:49 -04:00
commit 4067122ba9
4 changed files with 27 additions and 10 deletions
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2
.gitignore vendored
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@ -2,3 +2,5 @@ env/
**/*.pyc **/*.pyc
**/__pycache__/ **/__pycache__/
**/*.egg-info/ **/*.egg-info/
build/
dist/

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dist/pwncat-0.1-py2.7.egg vendored Normal file
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10
pwncat/pty.py
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@ -29,8 +29,8 @@ class PtyHandler:
on the local end """ on the local end """
OPEN_METHODS = { OPEN_METHODS = {
"script": "exec {} -qc /bin/sh /dev/null", "script": "exec {} -qc /bin/bash /dev/null",
"python": "exec {} -c \"import pty; pty.spawn('/bin/sh')\"", "python": "exec {} -c \"import pty; pty.spawn('/bin/bash')\"",
} }
INTERESTING_BINARIES = [ INTERESTING_BINARIES = [
@ -115,9 +115,15 @@ class PtyHandler:
raise RuntimeError("no available methods to spawn a pty!") raise RuntimeError("no available methods to spawn a pty!")
# Open the PTY # Open the PTY
util.info(f"opening pseudoterminal via {method}", overlay=True) util.info(f"opening pseudoterminal via {method}", overlay=True)
client.sendall(method_cmd.encode("utf-8") + b"\n") client.sendall(method_cmd.encode("utf-8") + b"\n")
util.info("setting terminal prompt", overlay=True)
client.sendall(b'export PS1="(remote) \\u@\\h\\$ "\r')
self.recvuntil(b"\r\n")
self.recvuntil(b"\r\n")
# Make sure HISTFILE is unset in this PTY (it resets when a pty is # Make sure HISTFILE is unset in this PTY (it resets when a pty is
# opened) # opened)
self.run("unset HISTFILE") self.run("unset HISTFILE")

25
pwncat/util.py
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@ -3,7 +3,7 @@ from typing import Tuple, BinaryIO, Callable
from http.server import BaseHTTPRequestHandler, HTTPServer from http.server import BaseHTTPRequestHandler, HTTPServer
from socketserver import TCPServer, BaseRequestHandler from socketserver import TCPServer, BaseRequestHandler
from functools import partial from functools import partial
from colorama import Fore from colorama import Fore, Style
from io import TextIOWrapper from io import TextIOWrapper
import socket import socket
import threading import threading
@ -121,7 +121,8 @@ def enter_raw_mode():
returns: the old state of the terminal returns: the old state of the terminal
""" """
info("setting terminal to raw mode and disabling echo") info("setting terminal to raw mode and disabling echo", overlay=True)
success("pwncat is ready\n", overlay=True)
# Ensure we don't have any weird buffering issues # Ensure we don't have any weird buffering issues
sys.stdout.flush() sys.stdout.flush()
@ -162,7 +163,7 @@ def enter_raw_mode():
def restore_terminal(state): def restore_terminal(state):
""" restore the stdio state from the result of "enter_raw_mode" """ """ restore the stdio state from the result of "enter_raw_mode" """
termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, state[0]) termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, state[0])
tty.setcbreak(sys.stdin) # tty.setcbreak(sys.stdin)
fcntl.fcntl(sys.stdin, fcntl.F_SETFL, state[1]) fcntl.fcntl(sys.stdin, fcntl.F_SETFL, state[1])
sys.stdout.write("\n") sys.stdout.write("\n")
info("local terminal restored") info("local terminal restored")
@ -268,10 +269,11 @@ def log(level, message, overlay=False):
global LAST_PROG_ANIM global LAST_PROG_ANIM
prefix = { prefix = {
"info": f"[{Fore.BLUE}+{Fore.RESET}] ", "info": f"[{Fore.BLUE}+{Fore.RESET}]",
"warn": f"[{Fore.YELLOW}?{Fore.RESET}] ", "success": f"[{Fore.GREEN}+{Fore.RESET}]",
"error": f"[{Fore.RED}!{Fore.RESET}] ", "warn": f"[{Fore.YELLOW}?{Fore.RESET}]",
"prog": f"[{Fore.CYAN}+{Fore.RESET}] ", "error": f"[{Fore.RED}!{Fore.RESET}]",
"prog": f"[{Fore.CYAN}+{Fore.RESET}]",
} }
if overlay: if overlay:
@ -283,7 +285,10 @@ def log(level, message, overlay=False):
LAST_PROG_ANIM = (LAST_PROG_ANIM + 1) % len(PROG_ANIMATION) LAST_PROG_ANIM = (LAST_PROG_ANIM + 1) % len(PROG_ANIMATION)
prefix["prog"] = prefix["prog"].replace("+", PROG_ANIMATION[LAST_PROG_ANIM]) prefix["prog"] = prefix["prog"].replace("+", PROG_ANIMATION[LAST_PROG_ANIM])
LAST_LOG_MESSAGE = (f"{prefix[level]} {message}", overlay) LAST_LOG_MESSAGE = (
f"{prefix[level]} {Style.DIM}{message}{Style.RESET_ALL}",
overlay,
)
sys.stdout.write(LAST_LOG_MESSAGE[0]) sys.stdout.write(LAST_LOG_MESSAGE[0])
if not overlay: if not overlay:
@ -304,5 +309,9 @@ def error(message, overlay=False):
log("error", message, overlay) log("error", message, overlay)
def success(message, overlay=False):
log("success", message, overlay)
# def progress(message, overlay=False): # def progress(message, overlay=False):
# log("prog", message, overlay) # log("prog", message, overlay)