Studying like a googler

안녕하세요? pregoogler입니다! 9월 1일 2일에 Demon Team에서 주최하는 해킹캠프에 참가한 후 한국디지털미디어 고등학교에 다니는 친구를 사귀고 함게 Reversing.kr에 있는 문제들을 전부 풀어보기로 결심한 후 첫 발을 디뎠습니다! (해킹 캠프 후기는 추후에 올릴 예정입니다!)리버싱 초보여서 정확히 어셈블리를 모두 해석 하지는 못하지만 어떤 방식으로 풀었는지 간단히 리뷰하도록 하겠습니다~~~**참고로 저는 x32dbg를 사용중입니다 [F9로 EntryPoint까지 실행한다] [마우스 우클릭 - 다음을 찾기 - 현재 구역 - 모듈간 호출]을 클릭한 후 호출된 모든 모듈에 F2를 눌러 BP를 건다. F9으로 BP된 모듈들을 거쳐 가면서 실행하다 입력 창을 띄우는 모듈에서 멈춘다. 임의의 ..

Adware Adware is any software application in which advertising banners are displayed while a program is running. The ads are delivered through pop-up windows or bars that appear on the program's user interface. Adware is commonly created for computers, but may also be found on mobile devices. 애드웨어는 프로그램이 운영되는 동안 배너가 표시되는 모든 소프트웨어 애플리케이션입니다. 광고는 프로그램의 사용자 인터페이스에 나타나는 팝업 창이나 표시줄을 통해 제공됩니다. 애드웨어는 일..

email spam Email spam, also known as junk email, is unsolicited bulk messages sent through email. The use of spam has been growing in popularity since the early 1990s and is a problem faced by most email users. Recipients of spam often have had their email addresses obtained by spambots, which are automated programs that crawl the internet looking for email addresses. Spammers use spambots to cr..

Hand of Thief Hand of Thief is banking crimeware that targets Linux operating systems. The Hand of Thief uses a form grabber to steal IDs, passwords and other information pertaining to Internet banking. The crimeware detects Internet banking information while the user enters it into a browser form, capturing it along with identifying data and storing it in a MySQL database. Thief Hand는 Linux 운영 ..

backdoor(computing) A backdoor is a means to access a computer system or encrypted data that bypasses the system's customary security mechanisms. 백도어는 시스템의 일반적인 보안 메커니즘을 우회하여 암호화된 데이터나 시스템에 액세스 하는 수단입니다. A developer may create a backdoor so that an application or operating system can be accessed for troubleshooting or other purposes. However, attackers often use backdoors that they detect or ins..

Mobile Device Attack A mobile device attack is an exploit targeting handheld communications devices, such as smartphones and tablets. 모바일 장치 공격은 스마트폰 및 태블릿과 같은 핸드 헬드 통신 장치를 대상으로 하는 공격입니다. Ed Skoudis, founder and senior security consultant of InGuardians, a security consulting firm, describes one scenario: "Bad guys are going to the Android Marketplace, pulling down an app, building a backdoor in..

IP Spoofing IP spoofing, also known as IP address forgery or a host file hijack, is a hijacking technique in which a cracker masquerades as a trusted host to conceal his identity, spoof a Web site, hijack browsers, or gain access to a network. Here's how it works: The hijacker obtains the IP address of a legitimate host and alters packet headers so that the legitimate host appears to be the sour..