def recoverAllCombinations(addresses,currentAddress,data):
# obtains all 2^n combinations and check if the the file is recovered. As anticipated
# this function won't be able to brute-force the solution under the time limit which is
# 10 minutes
#
global processedBranches;
if (currentAddress >= len(addresses)):
processedBranches += 1;
try:
dec = bz2.decompress(binascii.unhexlify(data));
print('\nrecovered @ recover.png\n');
pngRecFile = open('recover.png','wb');
pngRecFile.write(dec);
solution = raw_input("password: "******"sending solution")
payload = {'solution' : solution, 'submitbutton' : 'submit'};
HTS.postPage("https://www.hackthissite.org/missions/prog/5/index.php",payload);
sys.exit(0);
except IOError:
return;
else:
constructTreeRecursive(addresses,currentAddress+1,data); #unchanged
#update the addresses
newData = data[0:addresses[currentAddress]]+data[addresses[currentAddress]+2:len(data)];
addresses = updateAddresses(addresses,addresses[currentAddress]);
constructTreeRecursive(addresses,currentAddress+1,newData); #changed
def recoverGrouped(addresses,data):
#change the given addresses -> 0d0a to 0a
newData = "";
lastIndex=0
for index in xrange(0,len(addresses)):
newData = newData + data[lastIndex:addresses[index]]+data[addresses[index]+2:addresses[index]+4];
lastIndex = addresses[index]+4;
newData = newData + data[lastIndex:len(data)];
# bz2.decompress does the cyclic redundancy check first and throws an exception if the file
# doesn't pass the check. If it does pass the check then we have recovered the file
try:
dec = bz2.decompress(binascii.unhexlify(newData));
print('\nRecovered the file. Check recovered.png and enter the password\n');
pngRecFile = open('recovered.png','wb');
pngRecFile.write(dec);
pngRecFile.close();
solution = raw_input("password: "******"sending solution")
payload = {'solution' : solution, 'submitbutton' : 'submit'};
HTS.postPage("https://www.hackthissite.org/missions/prog/5/index.php",payload);
sys.exit(0);
except IOError:
return;
def downloadData():
#login
HTS.loginUserInput();
#start mission and get the page
response = HTS.getPage("https://www.hackthissite.org/missions/prog/11/");
#parse content and get the data
# we have to mine the code starting with Generated String and Shift;
javascriptCode = response.content;
mineStartIndex = javascriptCode.find("Generated String: ");
#find the first non-numeric character which is used as the delimiter
delimiter = "";
mineEndIndex = javascriptCode.find("<",mineStartIndex);
encodedData = javascriptCode[mineStartIndex + 18:mineEndIndex];
encodedData = encodedData[0:len(encodedData)-1];
for chars in encodedData:
if (chars.isdigit() is False):
delimiter = chars;
break;
mineStartIndex = javascriptCode.find("Shift: ");
mineEndIndex = javascriptCode.find("<",mineStartIndex);
shift = javascriptCode[mineStartIndex + 6:mineEndIndex];
return [encodedData, delimiter, shift];
def downloadData():
#login
HTS.loginUserInput()
#start mission and get the page
response = HTS.getPage("https://www.hackthissite.org/missions/prog/11/")
#parse content and get the data
# we have to mine the code starting with Generated String and Shift;
javascriptCode = response.content
mineStartIndex = javascriptCode.find("Generated String: ")
#find the first non-numeric character which is used as the delimiter
delimiter = ""
mineEndIndex = javascriptCode.find("<", mineStartIndex)
encodedData = javascriptCode[mineStartIndex + 18:mineEndIndex]
encodedData = encodedData[0:len(encodedData) - 1]
for chars in encodedData:
if (chars.isdigit() is False):
delimiter = chars
break
mineStartIndex = javascriptCode.find("Shift: ")
mineEndIndex = javascriptCode.find("<", mineStartIndex)
shift = javascriptCode[mineStartIndex + 6:mineEndIndex]
return [encodedData, delimiter, shift]
def downloadFile():
#login to the site
HTS.loginUserInput();
#start the mission
HTS.getPage("https://www.hackthissite.org/missions/prog/5/");
#get the compressed file
print("downloading file...");
response = HTS.getPage("https://www.hackthissite.org/missions/prog/5/corrupted.png.bz2");
print("file downloaded..");
return response;
def getImage():
#login to the site
HTS.loginUserInput()
#start the mission
HTS.getPage("https://www.hackthissite.org/missions/prog/2/")
#get the image
response = HTS.getPage("https://www.hackthissite.org/missions/prog/2/PNG")
im = Image.open(StringIO(response.content))
print("image downloaded \n")
return im
def getImage():
#login to the site
HTS.loginUserInput();
#start the mission
HTS.getPage("https://www.hackthissite.org/missions/prog/2/");
#get the image
response = HTS.getPage("https://www.hackthissite.org/missions/prog/2/PNG");
im = Image.open(StringIO(response.content));
print("image downloaded \n")
return im;
def downloadXML():
#login to the site
HTS.loginUserInput();
#start the mission
HTS.getPage("https://www.hackthissite.org/missions/prog/4/");
#get the xml
response = HTS.getPage("https://www.hackthissite.org/missions/prog/4/XML");
#uncompress downloaded content
xmlContent = bz2.decompress(response.content);
return xmlContent;
def downloadXML():
#login to the site
HTS.loginUserInput()
#start the mission
HTS.getPage("https://www.hackthissite.org/missions/prog/4/")
#get the xml
response = HTS.getPage("https://www.hackthissite.org/missions/prog/4/XML")
#uncompress downloaded content
xmlContent = bz2.decompress(response.content)
return xmlContent
def downloadData():
#login
HTS.loginUserInput();
#start mission
HTS.getPage("https://www.hackthissite.org/missions/prog/6/");
#get url
print("downloading data");
response = HTS.getPage("https://www.hackthissite.org/missions/prog/6/image");
#parse content and get the data
# we have to mine the code starting with new Array(...);
javascriptCode = response.content;
mineStartIndex = javascriptCode.find("new Array(");
mineEndIndex = javascriptCode.find(");",mineStartIndex);
data = javascriptCode[mineStartIndex + 10:mineEndIndex]
return data;
def downloadData():
#login
HTS.loginUserInput()
#start mission
HTS.getPage("https://www.hackthissite.org/missions/prog/6/")
#get url
print("downloading data")
response = HTS.getPage(
"https://www.hackthissite.org/missions/prog/6/image")
#parse content and get the data
# we have to mine the code starting with new Array(...);
javascriptCode = response.content
mineStartIndex = javascriptCode.find("new Array(")
mineEndIndex = javascriptCode.find(");", mineStartIndex)
data = javascriptCode[mineStartIndex + 10:mineEndIndex]
return data
def sendSolution(solution):
print("sending solution");
payload = {'solution' : solution, 'submitbutton' : 'submit'};
response = HTS.postPage("https://www.hackthissite.org/missions/prog/11/index.php",payload);
print("solution response: \n");
print(response.content);
return;
def sendResponse(decodedText):
#send back the decoded text
print(decodedText);
print("sending solution")
payload = {'solution' : decodedText, 'submitbutton' : 'submit'};
return HTS.postPage("https://www.hackthissite.org/missions/prog/2/index.php",payload);
def sendResponse(solution):
print("sending solution")
payload = {
'solution': solution,
'submitbutton': 'submit'
}
return HTS.postPage(
"https://www.hackthissite.org/missions/prog/4/index.php", payload)
def sendSolution(solution):
print("sending solution")
payload = {
'solution': solution,
'submitbutton': 'submit'
}
response = HTS.postPage(
"https://www.hackthissite.org/missions/prog/6/index.php", payload)
print("solution response: \n")
print(response.content)
def sendResponse(decodedText):
#send back the decoded text
print(decodedText)
print("sending solution")
payload = {
'solution': decodedText,
'submitbutton': 'submit'
}
return HTS.postPage(
"https://www.hackthissite.org/missions/prog/2/index.php", payload)
def sendResponse(solution):
print("sending solution")
payload = {'solution' : solution, 'submitbutton' : 'submit'};
return HTS.postPage("https://www.hackthissite.org/missions/prog/4/index.php",payload);
