95a976bdafd756285787f8c106c413a8.ppt
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網路犯罪案例 Cyber crime Reconnaissance Case Decision Group / CEO 張 侃 Casper Kan Chang_kan@decision. com. tw 1
網際網路犯罪主要可分為二大類 Internet crime is divided into two major categories 以網路作為犯罪之場所 Any criminal acts dealing with computers and networks Ex: Release of Viruses & Worms, Invasion of privacy, Cyber-spying, Hacking & Cyber warfare 散播病毐影響他人正常使用電腦網路,或 取得、刪除或變更他人的電腦資料或紀錄 Analysis Non. Reconstruction Packet 不可還的原網路封包 以網路作為犯罪之客體 Traditional crimes conducted through the Internet. Ex: Credit card fraud, Identity theft, child pornography, indecent chat-room behavior, software & media piracy 利用網路傳遞色情資訊,從事賭博行為, 侵害著作權或商標權,販賣違禁物品 Network Packet Reconstruction 可還原網路封包 2
常見網路詐騙犯罪型態及手法 1 Common Internet fraud behavior patterns and practices 1 行為態樣 Behaviorstate-like 具體手法 Specific practices A. 網路購物詐欺 Online Shopping Fraud 歹徒在網路上刊出非常低廉的商品誘使民眾匯款,再以劣品 充數,交易完成後即避不見面。 Gangsters published on the Internet at very low transfer of goods to trick people into them, and then charge the number of bads, after completion of the transaction would not even meet. B. 網路交友詐欺 Internet Friend-Ship Fraud 女性歹徒利用網路聊天室認識多名男性網友,假冒身份如偽 稱某知名大學研究生、課餘兼職拍攝廣告等,並將電視廣告模 特兒照片寄給對方,最後假藉理由向男性網友借錢,款項到手 後不知去向。 Female criminals use the Internet chat room odd men netizens, fake identity, said a well-known universities such as the pseudo-graduate students, after-school part-time shooting advertising, fashion pictures and television commercials to send each other, finally borrowed money under the guise of reason to men, After the hand the money disappeared. 3
常見網路詐騙犯罪型態及手法 2 Common Internet fraud behavior patterns and practices 2 行為態樣 Behaviorstate-like 具體手法 Specific practices C. 網路虛設行號詐 欺 Dummy corporate fraud 於網路上虛設高科技公司,以低價販賣高科技新產品,並在網 站上展示 MP 3 隨身聽等產品,該公司及網站俟收到網友所寄 購買產品之款項後,公司便人去樓空,網站亦隨之關閉。 Fictitious high-tech companies on the web, to low-cost sale of high-tech new products, And its Web site to display products such as MP 3 players, the company and Web site User upon receipt of payment by the Send to purchase products, the company will be empty, the website has also come close. D. 網路假貨騙售詐 欺 Fraudulent sale of fake cheat 不法之徒常在網站、跳蚤市場上張貼販賣便宜的電腦燒錄器、 行動電話等二手貨或大補帖等物品,且通常以貨到收款方式 交易,被害人收到的物品常是有瑕疵或不堪使用的貨品或空 白或已損壞的光碟片。 Criminals often on the site, posted on a flea market selling cheap computer burner, Mobile phones and other secondhand goods, or pirated software and other items, and usually to be paid goods transactions, Of goods received by the victim is often defective or unusable goods or blank or damaged discs. 4
常見網路詐騙犯罪型態及手法 3 Common Internet fraud behavior patterns and practices 3 行為態樣 Behaviorstate-like E. 網路銀行轉帳詐 欺 Internet bank transfer fraud F. 網路信用卡詐欺 Internet credit card fraud 具體手法 Specific practices 歹徒在報紙刊登廣告或散發傳單,宣稱可幫助民眾貸款、加盟、 購買法拍物等,要求被害人先行至其指定銀行開戶,存入相當 之權利金或保證金,並設定電話語音約定轉帳帳戶(網路銀行 服務及語音查詢帳戶餘額),然後歹徒再要求被害人提供語音 查詢餘額密碼及身分證件、地址等相關資料以便確認,利用電 話語音轉帳功能(網路電子交易)將被害人之存款轉帳領走。 Advertising or distributing leaflets, claiming to help people loans, to require the victim prior to their designated bank accounts, rights to payment or deposit a considerable margin, the Internet electronic transactions will be the victim of deposit transfers led away. 利用信用卡公司在網路上登載檢測偽卡程式,輸入一組正確 信用卡卡號,程式卡產生數千至數萬個信用卡卡號,歹徒再利 用所產生之卡號非法上網購物消費。 The use of credit card companies posted on the Internet test Weika program, enter a credit card number correctly, the program generated several thousand to tens of thousands of card credit card numbers, criminals re-use card numbers 5 generated by the illegal online shopping and spending.
常見網路詐騙犯罪型態及手法 4 Common Internet fraud behavior patterns and practices 4 行為態樣 Behaviorstate-like 具體手法 Specific practices G. 冒牌銀行網路詐 欺 Counterfeit Internet banking fraud 拷貝網路銀行網站的網頁,假冒該銀行之名提供「儲蓄存款」、 功能,讓使用者誤上冒牌的網路銀行,洩漏個人身份證件或銀 行帳號及密碼等重要資料,再進行盜領。 Copies of Internet Banking site's pages, counterfeiting the name of the bank to provide savings feature, allowing users to error on the fake Internet banking, resulting in leakage of personal identity documents or bank account numbers and passwords and other important information, a further type of crime. H. 網路金光黨詐欺 Internet Conman fraud 網路上以「大家來賺錢,這是真的,不是騙人的」標題,在討論 群組張貼郵遞名單信件,信中列有五人姓名及地址,指示網友 寄給名單上五人各一百元。 On the Internet for "everyone to make money, this is true, is not deceptive, " the title in the discussion group mailing list posting the letter, the letter listed the names and addresses of five persons, instructions sent to the list of User and one each in five people hundred dollars. 6
常見網路詐騙犯罪型態及手法 5 Common Internet fraud behavior patterns and practices 5 行為態樣 Behaviorstate-like I. 信用卡詐欺 Credit Card Fraud J. 金融卡匯款方式 詐欺 具體手法 Specific practices 被害人利用信用卡在電腦網路上購物消費,致信用卡卡號遭 到網路駭客入侵攔截,繼而被冒用盜刷。 Victims using their credit cards on your computer online shopping and spending, credit card number has been caused by internet hackers to intercept and then being falsely fraudulent. 歹徒利用網路,以超低價價格販售賣相良好之商品,要求以金 融卡轉帳方式購買,,按照其指示操作後,轉帳成功的金額往 往數十倍於原來之費用。 Criminals use the Internet to ultra-low prices to sell merchandise will sell well to require transfer of the financial cards are purchased, in accordance with its instructions, after the successful transfer payments are often dozens of times in the original expenses. 7
A. 網路購物詐欺手法及案例 1 -1 Online Shopping Fraud 8
A. 網路購物詐欺手法及案例 1 -2 Online Shopping Fraud 假借東森購物免付費顯示電話、雅虎奇摩購物等方式通知 民眾,稱原承辦 人誤將退款設為分期扣款或被害人先前交易錯誤,誤將退款設為分期扣款 等將使權利受損,即向民眾要求需至提款機操作變更,解除分期付款扣款; 俟民眾受騙上當後,再以「金融監督管理委員會」名義表示帳戶已遭歹徒利 用洗錢,需匯「金融安全帳戶」,以免遭凍結帳戶,誘騙被害人將存款解除, 改存入前述 詐騙之「金融安全帳戶」。 Swindle, said Eastern Shopping and Yahoo Auctions Payment Error Information to the public, claiming a refund of the original contractors mistakenly set the previous trading installment deductions or victim error, mistake a refund will set phases such as the right to charge damaged, it tells the people to the ATM was required to operate changes, lifting hire charge; as soon as the public deceived again after the "Financial Supervisory Commission, " said the account has been criminal to use the name of money laundering, must sink "financial security account" to avoid being the freezing of accounts, lured victims of the deposit removed, changed into the aforementioned fraud of "financial security accounts. " 9
B. 網路詐欺案例 1 -1 Internet fraud Case 一名馬來西亞籍的華裔賴姓女子,涉嫌與奈及利亞籍男友利用網路 詐騙台灣女子。刑事局國際科與馬國警方合作,日前逮捕賴姓女子並 追緝共犯 A Malaysian woman of Chinese origin Ms. Lai in connection with a Nigerian boyfriend, used the Internet to defraud Taiwanese woman CIB International Council of Scientific Cooperation with Malaysia arrested by the police and looking for an accomplice Ms. Lai 10
B. 網路詐欺案例 1 -2 Internet fraud Case 台北縣警方今年 5月間接獲一名女子檢舉,指稱一名在英國倫敦 作 的網友,聲稱寄送內有英鎊現金的包裹要給她,因未申報而遭馬國海 關查扣,需付稅金後始得放行,請求女子將錢匯至馬國海關處。這名 女子不疑有他,連續匯款兩次共計 2358美元,但遲未收到包裹,始知 受騙。 Taipei County police received an indirect May this year, a woman accused, Alleged that a work of netizens in London, claiming that there are pounds in cash to send parcels to give her, Who were failing to declare the Malaysian Customs and Excise Department seized, pay a tax before it may be released upon the request woman will remit money to the Malaysian Customs and Excise Department. The woman did not suspected him, a total of 2358 U. S. dollars two consecutive remittances, but has not received the latest package, Found out deceived. 11
網路性侵案件! Network of sexual assault cases! 07年網路性侵案件: 一天 1. 5件。12 -18歲少年占六成多。 2009年 06月 10日蘋果日報 台灣 台北 市 Network of sexual assault cases in 2007: Daily average 1. 5 case. 12 -18 year-olds accounted for more than 60%. June 10, 2009 Apple Daily Taipei Taiwan 12
禽獸不如 Is truly pathetic and inferior to animals 台北市兩名一瘦一胖的嫌犯,去年七月起,涉嫌在網路上約女網友開轟趴,等女網友赴 約後將對方帶到汽車旅館,誘騙對方進浴室洗澡,再要求發生性關係,女網友不願配合, 即遭掌摑強姦得逞 ,警方昨逮捕兩嫌,發現受害多達十多人。 Taipei two suspects a thin one fat, begin July 2008 , Suspected on the Internet to invite Female net friend to participate in party , Female net friend to meet this woman after the other into the Motel, Trick the other into the bathroom taking a bath, and then require a sexual relationship, The victim is unwilling to cooperate, that is, to succeed by slapping rape, the police yesterday arrested two suspected and found that as many as a dozen people injured. 被害人不甘受辱向警方報案,警方根據網路位址清查,並前往汽車旅館調閱車號,昨循 線逮捕兩嫌。警方追查發現,兩嫌去年七月開始犯案,每次都由葉嫌以「小豬」、「出來玩」 等暱稱,在奇摩即時通及豆豆聊天室等網站向女網友搭訕,葉嫌坦承犯案十多起、周嫌 則供稱五、六起,警方正追查其他共犯。 Humiliation of victims unwilling to report to the police, the police inventory of network address and went to the motel access to number, yesterday arrested two suspected through the line. The police traced the two began to commit crimes too 2008 July for each pig by Ye too to come out to play other nickname, the yahoo messange and Peas chat rooms and other websites to Nvwang You strike up, leaves from more than 10 suspected offender admits , Zhou said the suspect are for five or six, the police are tracing the other accomplices. 13
駭客蘇柏榕 替黑幫盜資料 Hacker Su Po-jung work for the underworld to steal data 中時電子報 /蔡旻岳 /台北報導 2007/09/22 China Times / Taipei / Choi Min-Yue 刑事局科技犯罪防制中心查出 ,在網路上暱稱「odin」 的林姓高二生、以及暱稱 「 的蘇柏榕兩人,係以學術網路為骨幹,將跳板主機隱藏於台灣學術網路內, cb」 並利用木馬程式、網站漏洞侵入各大知名網站非法取得資料後,存放在國外網 站主機,用以規避追查。其中 xx電信公司用戶帳戶及密碼有兩百四十多萬筆遭 竊,部分網站則連程式都被搬走。 CIB Crime Prevention Center for Science and Technology have found that the Internet nickname "odin" Lin, high-school sophomore, and the nickname "cb" two Su Po-jung, an academic department as the backbone network will be a springboard for host hidden in Taiwan Academic Network inside, and the use of Trojan horse programs, Web site vulnerabilities well-known Web site illegally obtained large intrusive information, stored in a foreign website host, to circumvent the tracing. Xx telecom companies in which the user account and password with more than 2. 4 million pens stolen, some websites have even the programs are removed. Hacker Su Po-jung 14
網路理財廣告詐貸銀行案 -1 Internet advertising bank loan fraud case 高雄市刑警大隊 2009年 5月接獲多家銀行報案,指稱遭人持偽造文件向銀行申 辦信用貸款,造成銀行遭詐貸的鉅額損失。案經該大隊 15分隊深入調查發現, 以洪 ○○、方○○等人共同基於牟取不法利益之犯意聯絡及行為分擔所籌組之詐 欺集團,用國內入口網站之免費網路空間張貼或貼紙廣告刊載『理財達人專辦 信用貸款』、『小額信用貸款』訊息等方式,招攬急需資金週轉之人頭客戶,由該 集團成員偽變造財稅、薪資等證明文件,美化貸款人之財力,並教唆指導人頭 客戶持偽造文件向銀行申辦信用貸款,使金融機構陷於錯誤而核准貸款,該集 團則向人頭客戶收取高額手續費牟取暴利 15
網路理財廣告詐貸銀行案 -2 Internet advertising bank loan fraud case 16
網際網路犯罪偵察要領 Cyber Crime Investigation Essentials 取得報案詳細資料 To obtain detailed information on reported 依案情內容申請技術支援 For technical support in accordance with the contents of the case 組成專案小組 An ad hoc group 17
網際網路犯罪情資蒐集 Cyber criminal intelligence collection 1. 收集電腦稽核紀錄 : IP, 帳號 , 時間 等 2. 客戶登錄資料 : 帳號使用人 , 姓名 , 地址 , 電話 等 3. 犯罪事實 1. Collection of computer audit records : Log, IP, User account, time 2. Customer Login information : Account name and address of telephone users 3. Corpus delicti 18
網際網路犯罪證據蒐集 Cyber crime, gathering of evidence 1. 由被害人及嫌犯電腦上取得資料 等 2. 由業者提供的資料及紀錄 , Log, 檔案 , 紀錄. . . 等 3. 網路監聽 4. 由被害人提供網路封包還原 1. By the victims and suspects to obtain information on the computer, Log, files, records, etc. . 2. Information provided by the industry, and records and so on. . . 3. Interception 4. From the victims to restore the network packet 19
網際網路犯罪鑑識 具種類 Cyber crime forensics tools Forensics tools 鑑識 軟體 “Stop, look and listen” Forensics software 離線封包鑑識還原軟體 Wired , HTTPS/SSL and VOIP Wireless “Catch-it-as-you-can” forensics systems 封包側錄還原鑑識設 備 Off-Line packet reconstruction software 20
鑑識 具使用 Forensics Tool Use 數位證據的鑑識與採集無法透過人類的視覺直接辨識出來,如 果沒有適當的 具或軟體也是無法解析,運用適當的 具或軟 體採集與辨識數位證據,也是偵辦電腦網路犯罪案件必備的條 件 Kam-digital intellectual and collection of evidence can not be humans through direct identified intellectual vision out of future, without the right tools or software unable to resolve, using the right tools or software acquisition and identified intellectual digital evidence, but also diligent in Internet Highway necessary conditions for criminal cases Forensics tools 鑑識 軟體 由被害人及嫌犯電腦上取得資料 , Log, 檔案 , 紀錄. . . 等 Collection of computer audit records : Log, IP, User account, time 21 … …etc
網路鑑識 具使用 Cyber Forensics Tool Use 網路監聽 Wired , HTTPS/SSL and VOIP Wireless “Catch-it-as-you-can” forensics systems 封包側錄還原鑑識設 備 Internet Interception “Stop, look and listen” Forensics software 離線封包鑑識還原軟體 還原已錄製完成網路封包 Reconstruction, The completion of network packets have been recorded Off-Line packet reconstruction software 22
網路封包鑑識分析分類 Network packet forensics analysis categories 1. Viruses & Worms, Hacking & Trojans. . . Analysis Non. Reconstruction Packet 不可還的原網路封包 Network Packet Reconstruction 可還原網路封包 病毐 駭客 木馬程式 …… 2. Email , Web Mail , IM, FTP , P 2 P, Vo. IP, Video Streaming , HTTP, Online Games, Telnet 電子郵件,網頁郵件, FTP, P 2 P, Vo. IP, 影音串流,網 頁瀏覽,線上遊戲,,Telnet 23
提供全系列網路鑑識產品 Complete Solutions for Cyber Forensics 1. 2. 3. 4. 5. 6. Wired packet reconstruction. Wireless (802. 11 a/b/g/n) packet reconstruction. HTTPS/SSL interceptor. . VOIP packet reconstruction. Off-line packet reconstruction software Network packet forensics analysis training For more information www. digi-forensics. com 24
網際網路封包鑑識分析教育訓練課程 Network Packet Forensics Analysis Training The knowledge of network packet analysis is important for Forensics Investigator and Lawful Enforcement Officer to carry out their daily duty. Network Packet Forensics Analysis Training (NPFAT) provides useful and sufficient knowledge required to analyse network packets. Trainee will be able to identify different packet types according to different Internet Protocols such as packets containing a specific Email (POP 3, SMTP and IMAP), Web Mail (Yahoo Mail, Gmail, Hotmail), Instant Messaging (Windows Live Messenger, Yahoo, ICQ etc. ), FTP, Telnet, HTTP and VOIP. Forensics investigation is also science and art. 網際網路封包鑑識分析教育訓練課程( NPFAT) 提供所需知識來分析網 際網路封包。令學員將能夠識別不同類型的網路封包根據不同的 Internet協議,如 電子郵件(POP 3, SMTP和 IMAP) 網路郵件(雅虎郵件, , Gmail, Hotmail等),即時通(如 Windows Live Messenger, 雅虎,ICQ等), FTP, 遠程登錄,網頁瀏覽和 VOIP。 鑑識取證調查還技術兼具科學和藝 術素養之訓練課程。 Frankie Chan Kok Liang Phillip A Russo Ing. Gustavo Presman 25
實 績 Reference site in Taiwan The Investigation Bureau of Criminal Investigation Bureau the Ministry of Justice 國家安全局 National Security Bureau 國防部 Ministry of National Defense, R. O. C 憲兵司令部 Military Police, R. O. C 海岸巡防署 Coast Guard Administration 國防大學 National Defense University 中央警察大學 Central Police University 26
95a976bdafd756285787f8c106c413a8.ppt