nowafpls.py

from burp import IBurpExtender, IContextMenuFactory, IHttpListener, IRequestInfo, IContextMenuInvocation
from javax.swing import JMenuItem, JLabel, JTextField, JOptionPane, JPanel, JFrame
import javax.swing as swing
from java.util import ArrayList
from java.io import ByteArrayOutputStream
import re
import random
import string

class BurpExtender(IBurpExtender, IContextMenuFactory, IHttpListener):
    def registerExtenderCallbacks(self, callbacks):
        self._callbacks = callbacks
        self._helpers = callbacks.getHelpers()
        callbacks.setExtensionName("nowafpls")
        callbacks.registerContextMenuFactory(self)
        callbacks.registerHttpListener(self)

    def createMenuItems(self, invocation):
        self.context = invocation
        menu_list = ArrayList()
        if self.context.getInvocationContext() == IContextMenuInvocation.CONTEXT_MESSAGE_EDITOR_REQUEST:
            menu_list.add(JMenuItem("Insert Junk Data Size", actionPerformed=self.insert_random_data))
        return menu_list

    def generate_random_string(self, length, charset=None):
        if charset is None:
            charset = string.ascii_letters + string.digits + "-_"
        return ''.join(random.choice(charset) for _ in range(length))

    def generate_random_param(self):
        prefixes = ['id', 'user', 'session', 'token', 'auth', 'request', 'data', 'temp', 'cache', 'author','authorID','authorName','authorityType','authorize','authorized','authorizedkeys','authors','authorship','authserver','authtype','auto','autoaddfields','autoadjust','autoapprove','autoassign','autocomplete','autodel','autodeltime','autoedge','autoenable','autofix','autofixforcedest','autofixforcesource','autofocus','autogroup','autologin','automatic','autoplay','autoptp','autoredirect','autorefresh','autosave','autoupdate','avatar','avatars','b','bID','baba','back','backcconnmsg','backcconnmsge','backconnectport','backdrop','backend','background','backto','backup','backuparea','backupbeforeupgrade','backupcount','backupnow','backuptype','backurl','baddress1','baddress2','badfiles','balance','ban','bandwidth','banid','banip','bank','banned','bannedUser','banner','banreason','bansubmit','bantime','bantype','bar','barcode','base','base64','basedn','basemodule','baseurl','basic','basket','baslik','batch','batchExtend','batchID','baz','baza','bbc','bbconfigloc','bbox','bcc','bcip','bcity','bconfirmemail','bcountry','bday2','bduss','be','before','begin','beginner','behaviour','bemail','benchmark','beta','bfirstname','bg','bgColor','bgc','bgcolor','bi','bib','biblioID','biblioTitle','bid','bill','billing','binary','binddn','binding','bindip','bindpw','bio','bip','birth','birthDate','birthdate','birthday','birthmonth','birthplace','birthyear','bitrate','bits','blacklist','blastname','blatent','block','blockbogons','blockedafter','blockedmacsurl','blockeduntil','blockid','blocklabel','blockpriv','blocks','blog','blogbody','blogid','blogname','blogs','blogtags','blogtitle','blogusers','board','boardaccess','boardid','boardmod','boardprofile','boards','boardseen','boardtheme','boardurl','body','bodytext','bogonsinterval','bomb','bonus','book','bookings','bookmark','bool','boolean','bootslice','bootstrap','border','bots','bottom','bounce','box','box1','box2','box3','boxes','bpage','bpg','bphone','bport','bps','branch','brand','brd','breadcrumb','break','breakdown','breakpoint','breakpoints','bridge','bridgeif','broadcast','broken','browse','browser','bs','bstate','btn','btnSubmit','bucket','buddies','budget','bug','build','bulk','bulletin','business','businessName','button','buttons','buttonval','buy','bv','bwdefaultdn','bwdefaultup','by','byapache','bycw','bye','byetc','byfc','byfc9','byoc','bypassstaticroutes','bypcu','bysyml','bythis','byws','bzipcode','c','c2','c37url','c99shcook','cID','cP','cPath','cable','cache','cacheable','cached','caching','caid','cainfo','cal','calcolor','calendar','calendarid','calid','call','callNumber','callback','callbackPW','caller','callerId','callerid','callf','callop','calname','cambio','campaign','campaignid','campo','cancel','canceldelete','cancelled','caneditdomain','caneditphpsettings','canned','canpreview','cantidad','canvas','cap','captcha','caption','capture','card','cardno','cardtype','caref','cart','cartId','case','casein','cat','catID','catId','catalogName','catalogid','categories','category','categoryID','categoryName','categoryid','categoryname','cateid','catid','catname','catorder','cats','catslist','cb','cc','cd','cdir','cdirname','cdone','cds','censorIgnoreCase','censorWholeWord','censortest','censortext','cep','cert','certdepth','certid','certificate','certref','certsubject','cf','cfed','cfg','cfgkey','cfgval','cfil','cfile','cfilename','cfx','cfy','ch','challenge','chan','change','changePass','changeUserGroup','changeVisitAlpha','changecurrent','changed','changeit','changepassword','changero','changes','changestatus','changeusername','chanid','channel','channelID','channelName','channelmode','channels','chapo','chapter','char','characterid','characters','charge','chars','charset','charsout','chart','chartSettings','chartsize','chat','chatmsg','chats','chdir','check','check1','checkReshare','checkShares','checkaliasesurlcert','checkbox','checkboxes','checkconnect','checked','checkemail','checkid','checking','checkmetadesc','checknum','checkout','checkprivsdb','checkprivstable','checksum','checksumbits','chfl','child','children','chk','chkagree','chkalldocs','chm','chmod','chmod0','chmodenum','chmodnow','choice','choice2','choix','chosen','chpage','chromeless','chunk','chunks','chvalue','cid','cids','cinterface','cipher','city','ck','ckeditor','cktime','cl','claim','class','classOptions','classification','classname','clay','clean','cleancache','cleanup','clear','clearLog','clearLogs','clearSess','clearcache','cleared','clearlogs','clearquery','clearsql','cleartokens','cli','clicked','clickedon','client','clientId','clientcookies','clientid','clipboard','clockstats','clone','close','closed','closedate','closenotice','cls','cluster','cm','cmd','cmde','cmdex','cmdid','cmdir','cmdr','cmediafix','cmmd','cmode','cms','cmsadmin','cmsadminemail','cmspassword','cmspasswordconfirm','cn','cname','cnpj','co','coM','coauthors','cod','code','codeblock','coded','codepress','codes','codetype','coin','col','colName','collType','collTypeID','collTypeName','collapse','collation','collectcolumn','collection','collectionfrom','collectionto','college','colltype','color','color1','color2','colors','colours','cols','column','columnIndex','columns','columnsToDisplay','com','combine','combo','command','commander','comment','commentId','commentaire','commentid','comments','commenttext','commex','commit','commits','commonName','communication','community','comp','compact','company','compare','complete','completed','component','compose','compr','compress','compression','con','concepto','condition','conditions','conf','config','configfile','configs','configuration','configure','confirm','confirm2','confirm3','confirmEmail','confirmFinish','confirmPassword','confirmation','confirmdelete','confirmed','confirmpassword','conflict','conn','connect','connectback','connection','connectionType','connections','connectt','connport','connsub','consent','consoleview','const','constraint','consumer','consumerKey','consumerSecret','cont','contact','contactEmail','contactID','contactId','contactName','contactid','contactidlist','contactname','contacts','container','containerid','contains','contbutt','content','content1','contentDesc','contentPath','contentTitle','contentType','contents','contenttype','contest','context','continue','control','controller','controllers','conv','conversation','convert','convertmode','cookie','cookielength','cookiename','cookies','coord','coords','cop','copied','coppa','coppaFax','coppaPost','copy','copyname','copyright','core','correctcase','cost','count','counter','countonly','country','countryCode','countryID','countryName','counts','coupling','coupon','couponamount','couponcode','course','courseId','courses','cover','coverage','cp','cpage','cpass','cpath','cpu','cpw','cpy','cpyto','cr','cracK','crannycap','crcf','crdir','cre','create','createaccount','createclass','created','createdb','createdon','createfolder','createlist','createmode','createpages','createstdsubdomain','createuser','createview','credentials','credit','creditCardNumber','creditCardType','credits','crefile','criteria','criteriaAndOrColumn','criteriaAndOrRow','criteriaColumn','criteriaColumnAdd','criteriaColumnCollations','criteriaColumnCount','criteriaColumnDelete','criteriaColumnInsert','criteriaColumnName','criteriaColumnNames','criteriaColumnOperators','criteriaColumnTypes','criteriaRowAdd','criteriaRowDelete','criteriaRowInsert','criteriaSearchString','criteriaSearchType','criteriaShow','criteriaSort','criteriaTables','criteriaValues','cron','crop','cropDetails','crrt','crt','crtty','crypo','crypt','cs','cs1','cs2','csid','csr','csrf','csrftoken','css','csspreview','csv','csvIDs','ct','ctag','ctf','ctid','ctrl','ctx','ctype','cuenta','cur','curdir','curfile','curl','curpage','curpath','curr','currency','currencyCode','currencyCodeType','currencyid','current','currentFolder','currentFolderPath','currentPage','currentPassword','currentday','currentid','cursor','cust','custid','custom','customFieldId','customId','customWhereClause','customaddtplid','customcss','customer','customerid','customernumber','customers','customfield','customized','cut','cvmodule','cvv','cvv2Number','cw','cx','cy','d','d1','d2','dB','dID','daemon','dare','darezz','dashboard','data','data2','dataLabel','dataType','dataangle','database','databasehost','databaseloginname','databaseloginpassword','databasename','databases','datadir','dataflt','datagapangle','datagapradius','dataofs','dataroot','dataset','datasrt','datatype','dataurl','date','date1','date2','dateEnd','dateExpected','dateFormat','dateReceived','dateStart','datechange','dateformat','datefrom','dates','datestamp','datetime','dateto','datetype','day','dayDelta','dayname','days','db','dbHost','dbName','dbOP','dbPass','dbPassword','dbPort','dbPrefix','dbPwd','dbTablePrefix','dbType','dbUser','dbUsername','dbase','dbbase','dbg','dbh','dbhost','dbid','dbms','dbn','dbname','dbp','dbpass','dbpassword','dbport','dbprefix','dbpw','dbserver','dbsession','dbsize','dbsocket','dbstats','dbtype','dbu','dbuser','dbusername','dc','dccharset','dd','ddnsdomain','ddnsdomainkey','ddnsdomainkeyname','ddnsdomainprimary','ddnsupdate','ddo','deL','deS','deact','deactivate','deactivated','deadfilescheck','deadline','deathdate','deathplace','debet','debit','debug','debug2','debug3','debugbox','debugfailover','debugmethods','decline','decode','decoded','decomposition','decrypt','deduction','def','default','defaultValue','defaultgw','defaultleasetime','defaultqueue','defaults','defaulttemplate','deftime','degrees','del','delName','delall','delay','deld','deldat','deldir','delete','deleteAccount','deleteCategory','deleteImage','deleteImages','deleteIndex','deleteList','deletePrices','deleteUser','deleteUserGroup','deleteUsers','deleteall','deletebookmarks','deletecheck','deletecntlist','deletecomment','deleted','deletedSpecs','deletedir','deleteevent','deletefile','deletefolder','deleteg','deletegrp','deleteid','deleteip','deletemeta','deletepage','deletepms','deletepost','deleterule','deletesmiley','deletesubmit','deleteuser','deleteweek','delf','delfbadmin','delfile','delfl','delfolder','delfriend','delgroup','delid','delim','delimeter','delimiter','deliver','deliveries','delivery','delmac','delmarked','delpref','delregname','delrow','delrule','delsel','delstring','delsub','deltpl','deltype','deluser','demo','demoData','demolish','dend','denied','deny','denyunknown','department','depid','deposit','dept','depth','deptid','depts','des','desact','desc','desc1','desc2','descending','descr','descripcion','description','design','dest','destd','destination','destino','destslice','detached','detail','detail0','details','dev','device','deviceid','devid','df','dfilename','dfrom','dhcp','dhcp6prefixonly','dhcp6usev4iface','dhcpbackup','dhcpfirst','dhcphostname','dhcpleaseinlocaltime','dhcprejectfrom','dhcpv6leaseinlocaltime','dhtc','dialog','dict','dictionary','did','dif','diff','difficulty','dig','digest','dim','dimensions','dip','dipl','dir','dirList','dirToken','diract','dircreate','dire','direccion','direct','direction','directmode','director','directory','directoryscanner','dirfree','dirlisting','dirname','dirr','dirs','dirupload','dis','disable','disablebeep','disablecarp','disablecheck','disablechecksumoffloading','disableconsolemenu','disabled','disabledBBC','disablefilter','disablehttpredirect','disablelargereceiveoffloading','disablelocallogging','disablenegate','disablereplyto','disablescrub','disablesegmentationoffloading','disablevpnrules','disallow','disapprove','discard','discipline','discount','disk','diskspace','dismiss','disp','display','displayAllColumns','displayName','displayVisualization','displayname','distance','distinct','distribution','div','diversity','divider','dizin','dkim','dl','dl2','dlPath','dlconfig','dldone','dlgzip','dlt','dm','dmodule','dn','dname','dnpipe','dns1','dns2','dns3','dns4','dnsallowoverride','dnslocalhost','dnsquery','dnssec','dnssecstripped','dnssrcip','do','doDelete','doExport','doImport','doRegister','doSearch','doaction','doaction2','dob','doc','docgroup','docgroups','docid','docroot','docs','doctype','document','documentID','documentgroup','documentroot','doi','doimage','doinstall','doit','dolma','domaiN','domain','domainname','domains','domainsearchlist','domen','domerge','donated','done','donor','donotbackuprrd','dontFormat','dontlimitchars','dopt','dos','dosearch','dosthisserver','dosyaa','down','downchange','downf','downloaD','download','downloadIndex','downloadbackup','downloadbtn','downloaded','downloadid','downloadpos','dp','dpath','dpgn','draft','dragdroporder','dragtable','drilldown','driver','drop','dropped','droptables','dry','dryrun','dscp','dst','dstbeginport','dstendport','dstip','dstmask','dstnot','dstport','dsttype','dt','dtend','dto','dtstart','due','duedate','duid','dumd','dummy','dump','dup','dupfiles','duplicate','duration','dwld','dxdir','dxdirsimple','dxfile','dximg','dxinstant','dxmode','dxparam','dxportscan','dxsqlsearch','dxval','dynamic','e','ealgo','ec','echostr','ecotax','ecraz','ed','eday','edge','edit','editParts','editUserGroup','editUserGroupSubmit','editable','editaction','edited','editedon','editf','editfile','editfilename','editform','editgroup','editid','editing','edition','editkey','editor','editprofile','edittxt','edituser','editwidget','education','ee','ef','eheight','eid','eids','elastic','element','elementId','elementType','elements','em','email','email1','email2','emailActivate','emailAddress','emailBody','emailID','emailId','emailList','emailToken','emailaddress','emailch','emailcomplete','emailfrom','emailnotif','emails','emailsubject','emailto','embed','embedded','eml','emonth','emphasis','empty','emptygenres','en','enable','enableReserve','enablebinatreflection','enabled','enablenatreflectionhelper','enableserial','enablesshd','enablestp','enc','enclose','encod','encode','encoded','encodedbydistribution','encoder','encoderoptionsdistribution','encoding','encrypt','encrypted','encryption','end','endDate','enddate','endday','endmonth','endpoint','endport','ends','endtime','endyear','enforceHTTPS','engine','enhanced','enquiry','enroll','entire','entity','entityID','entityid','entries','entry','entryID','entryId','entryPoint','entryid','env','eol','ep','ephp','episode','epoch','epot','erne','erorr','err','errmsg','error','error403path','error404path','error500path','errorCode','errormail','errormsg','errors','errorstr','errorswarnings','esId','eshopAccount','eshopId','et','eta','etag','evac','eval','evalcode','evalinfect','evalsource','evap','event','eventDate','eventID','eventId','eventName','eventTitle','eventid','eventname','events','evtitle','ewidth','ex','exT','exTime','exact','example','exc','exccat','except','exception','excerpt','exchange','exclude','excludedRecords','exe','exec','execmassdeface','execmethod','execute','executeForm','exemplar','exif','existing','exists','exitsql','exp','expDate','expDateMonth','expDateYear','expand','expandAll','expanded','expertise','expid','expiration','expirationDate','expira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ingup','scan','scdir','scenario','scene','sched','schedule','schedule0','scheduled','schema','scheme','school','schooldatex','scid','scope','score','scores','screen','script','scripts','scrollto','scrubnodf','scrubrnid','sd','sday','sdb','seC','sea','searcc','search','searchClause','searchClause2','searchField','searchId','searchKey','searchName','searchOper','searchQuery','searchString','searchTerm','searchText','searchType','searchUsername','searchable','searchaction','searchadvcat','searchadvgroups','searchadvposter','searchadvr','searchadvsizefrom','searchadvsizeto','searchbox','searchby','searchfield','searchid','searchin','searchip','searchlabel','searchstring','searchterm','searchtext','searchtype','searchuser','searchval','season','sec','second','secret','secretKey','secs','sect','section','sectionid','sections','secu','securesubmit','security','securityscanner','sedir','seed','segment','sel','selCountry','selday','sele','select','selectAmount','selectall','selectcategory','selected','selectedDoc','selectedTable','selectedmodule','selection','selectlist','selectop','selector','selectvalues','sellernick','selmonth','selyear','send','sendTo','sendactivation','sendemail']
        suffix = self.generate_random_string(random.randint(4, 8))
        return random.choice(prefixes) + "_" + suffix

    def generate_varied_content(self, size):
        chunks = []
        remaining_size = size
        
        while remaining_size > 0:
            chunk_size = min(random.randint(8, 32), remaining_size)
            chunk_type = random.randint(1, 4)
            
            if chunk_type == 1:
                chunk = self.generate_random_string(chunk_size)
            elif chunk_type == 2:
                chunk = self.generate_random_string(chunk_size, string.hexdigits)
            elif chunk_type == 3:
                chunk = self.generate_random_string(chunk_size, string.ascii_letters + string.digits + "+/")
            else:
                chunk = self.generate_random_string(chunk_size, string.ascii_letters + string.digits + "-._~")
            
            chunks.append(chunk)
            remaining_size -= chunk_size
        
        return ''.join(chunks)

    def insert_random_data(self, event):
        message = self.context.getSelectedMessages()[0]
        request = message.getRequest()
        selection_bounds = self.context.getSelectionBounds()
        insertion_point = selection_bounds[0] if selection_bounds else len(request)

        options_panel = JPanel()
        options_panel.setLayout(swing.BoxLayout(options_panel, swing.BoxLayout.Y_AXIS))

        junk_sizes_kb = [8, 16, 32, 64, 128, 1024, "Custom"]
        dropdown = swing.JComboBox([str(size) + " KB" if isinstance(size, int) else size for size in junk_sizes_kb])
        
        custom_size_field = JTextField(10)
        custom_size_label = JLabel("Custom size (bytes):")

        custom_size_field.setVisible(dropdown.getSelectedItem() == "Custom")
        custom_size_label.setVisible(dropdown.getSelectedItem() == "Custom")

        options_panel.add(dropdown)
        options_panel.add(custom_size_label)
        options_panel.add(custom_size_field)

        def update_custom_field_visibility(event):
            is_custom_selected = dropdown.getSelectedItem() == "Custom"
            custom_size_label.setVisible(is_custom_selected)
            custom_size_field.setVisible(is_custom_selected)
            if is_custom_selected:
                custom_size_field.requestFocus()
            swing.SwingUtilities.getWindowAncestor(options_panel).pack()

        dropdown.addActionListener(update_custom_field_visibility)

        frame = JFrame()
        dialog = JOptionPane.showConfirmDialog(frame, options_panel, "Select Junk Data Size", 
                                             JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE)
        
        if dialog == JOptionPane.OK_OPTION:
            selected_size = dropdown.getSelectedItem()
            if selected_size == "Custom":
                try:
                    size_bytes = int(custom_size_field.getText())
                except ValueError:
                    JOptionPane.showMessageDialog(None, "Please enter a valid number for custom size.")
                    return
            else:
                size_bytes = int(selected_size.split()[0]) * 1024

            content_type = self._helpers.analyzeRequest(message).getContentType()
            
            if content_type == IRequestInfo.CONTENT_TYPE_URL_ENCODED:
                param_name = self.generate_random_param()
                junk_data = param_name + "=" + self.generate_varied_content(size_bytes - len(param_name) - 1) + "&"
            
            elif content_type == IRequestInfo.CONTENT_TYPE_XML:
                comment_content = self.generate_varied_content(size_bytes - 7)
                junk_data = "<!--{}-->".format(comment_content)
            
            elif content_type == IRequestInfo.CONTENT_TYPE_JSON:
                param_name = self.generate_random_param()
                junk_data = '"{}":"{}",'.format(param_name, self.generate_varied_content(size_bytes - len(param_name) - 5))
            
            elif content_type == IRequestInfo.CONTENT_TYPE_MULTIPART:
                junk_data = self.create_multipart_junk(request, size_bytes)
            
            else:
                return

            baos = ByteArrayOutputStream()
            baos.write(request[:insertion_point])
            baos.write(junk_data.encode('utf-8'))
            baos.write(request[insertion_point:])
            message.setRequest(baos.toByteArray())

    def create_multipart_junk(self, request, size):
        request_string = self._helpers.bytesToString(request)
        boundary = re.search(r'boundary=([\w-]+)', request_string)
        if not boundary:
            return ""

        boundary = boundary.group(1)
        junk_field_name = self.generate_random_param()
        
        multipart_structure = (
            "--{0}\r\n"
            "Content-Disposition: form-data; name=\"{1}\"\r\n\r\n"
            "{2}\r\n"
        )
        
        structure_size = len(multipart_structure.format(boundary, junk_field_name, ""))
        junk_data = self.generate_varied_content(size - structure_size)
        
        multipart_junk = multipart_structure.format(boundary, junk_field_name, junk_data)
        return multipart_junk