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Files from Michal Zalewski

Email addresslcamtuf at coredump.cx
First Active1999-11-03
Last Active2012-01-25
p0f 3.03b Windows Port
Posted Jan 25, 2012
Authored by Michal Zalewski, David Coomber | Site lcamtuf.coredump.cx

P0f is a tool that utilizes an array of sophisticated, purely passive traffic fingerprinting mechanisms to identify the players behind any incidental TCP/IP communications (often as little as a single normal SYN) without interfering in any way. Version 3 is a complete rewrite of the original codebase, incorporating a significant number of improvements to network-level fingerprinting, and introducing the ability to reason about application-level payloads (e.g., HTTP).

Changes: This is a Windows port of the latest release created by David Coomber.
tags | tool, web, scanner, tcp
systems | windows
MD5 | aea524324828790b24a90be3bb7a0d93
P0f 3.0.0b
Posted Jan 17, 2012
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

P0f is a tool that utilizes an array of sophisticated, purely passive traffic fingerprinting mechanisms to identify the players behind any incidental TCP/IP communications (often as little as a single normal SYN) without interfering in any way. Version 3 is a complete rewrite of the original codebase, incorporating a significant number of improvements to network-level fingerprinting, and introducing the ability to reason about application-level payloads (e.g., HTTP).

Changes: This complete rewrite adds a range of new TCP fingerprinting mechanisms, sophisticated NAT detection, HTTP inspection and fingerprinting, and updated signatures.
tags | tool, web, scanner, tcp
systems | linux, unix
MD5 | 8a7ea1821b4599bdd1749b6112865c41
P0f 3.0.0 Release Candidate 1
Posted Jan 10, 2012
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

P0f is a tool that utilizes an array of sophisticated, purely passive traffic fingerprinting mechanisms to identify the players behind any incidental TCP/IP communications (often as little as a single normal SYN) without interfering in any way. Version 3 is a complete rewrite of the original codebase, incorporating a significant number of improvements to network-level fingerprinting, and introducing the ability to reason about application-level payloads (e.g., HTTP).

Changes: Complete rewrite.
tags | tool, web, scanner, tcp
systems | linux, unix
MD5 | c2b4417fce9bb70bee49a1225dbc10f1
ClickIt Proof Of Concept
Posted Dec 13, 2011
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

JavaScript allows you to exploit human cognitive abilities to a remarkable extent; tools such as window positioning, history.forward() and history.back(), open some scary possibilities that we are completely unprepared to deal with. This proof-of-concept aims to demonstrate this; while it is intentionally crude and makes no real effort to conceal its operation, the transitions can be made seamless and very difficult to perceive. Very accurate click prediction can be achieved by carefully measuring mouse velocity and distance to destination, too.

tags | exploit, javascript
MD5 | 753f7c9a5e2186e19dff5a73e9ae8583
JavaScript Switcharoo Proof Of Concept 2
Posted Dec 9, 2011
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

Firefox and Opera allow you to omit MIME type in data: URLs, possibly put random garbage into that section, and still get a valid HTML document. This is a natural extension of how the Content-Type header is handled in HTTP, but probably makes little or no sense here. With the use of Unicode homographs, you can create fairly believable URLs especially in Firefox.

tags | exploit, web
MD5 | 0b64bc5e8487abfa6e49c3b0e324b12a
JavaScript Switcharoo Proof Of Concept
Posted Dec 8, 2011
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

It seems that relatively few people realize that holding a JavaScript handle to another window allows the attacker to tamper with the location and history objects at will, largely bypassing the usual SOP controls. With some minimal effort and the help of data: / javascript: URLs or precached pages, this can be leveraged to replace content in a manner that will likely escape even fairly attentive users.

tags | exploit, javascript
MD5 | fbb16e97002e8540980b677c7dab802b
Firefox CSS :visited Proof Of Concept
Posted Dec 3, 2011
Authored by Michal Zalewski | Site lcamtuf.coredump.cx

This code is a proof of concept that demonstrates history extraction in Firefox through non-destructive cache timing.

tags | exploit, proof of concept
systems | linux
MD5 | 40789638dd11c307730257784d663de0
Firefox 3.6.13 pseudo-URL SOP Check Bug
Posted Dec 9, 2010
Authored by Michal Zalewski

Firefox version 3.6.13 fixes an interesting bug in their same-origin policy logic for pseudo-URLs that do not have any inherent origin associated with them.

tags | advisory
MD5 | 8921c58a1c1c81afbc30fa2287b1a1f7
Skipfish Web Application Scanner 1.78b
Posted Nov 23, 2010
Authored by Michal Zalewski | Site code.google.com

Skipfish is a fully automated, active web application security reconnaissance tool. It is high speed, has a low false positive rate, and is easy to use.

Changes: Substantial bugs in coverage and security checks were fixed. Multiple feature and stability improvements were made. Differential scanning tools were added.
tags | tool, web, scanner
systems | linux, unix
MD5 | a9f9eef2f860cadcc86e12785dc3057f
Juniper SSL VPN Bypass / Cross Site Scripting
Posted Nov 9, 2010
Authored by Michal Zalewski

This is a list of older cross site scripting and bypass vulnerabilities associated with older Juniper IVE releases.

tags | exploit, vulnerability, xss, bypass
systems | juniper
MD5 | 7a4246773f02b62f12f3b55f5d6a30e8
Skipfish Web Application Scanner 1.52b
Posted Jul 23, 2010
Authored by Michal Zalewski | Site code.google.com

Skipfish is a fully automated, active web application security reconnaissance tool. It is high speed, has a low false positive rate, and is easy to use.

Changes: Fixed HTTP read loop after 1.48b.
tags | tool, web, scanner
systems | unix
MD5 | 5ac0a84afa132a5fc302f292c897a954
Safari SOP Bypass / Firefox Address Bar Spoofing
Posted Jun 29, 2010
Authored by Michal Zalewski

Michal Zalewski has noted some interested security bugs with Safari, Firefox and WebKit-based browsers.

tags | advisory
advisories | CVE-2010-0544, CVE-2010-1422, CVE-2010-1206
MD5 | 8449b98eede4be3f1cc45b1df06d73f6
Skipfish Web Application Scanner 1.11b
Posted Mar 22, 2010
Authored by Michal Zalewski | Site code.google.com

Skipfish is a fully automated, active web application security reconnaissance tool. It is high speed, has a low false positive rate, and is easy to use.

Changes: Multiple bug fixes and SIGWINCH support.
tags | tool, web, scanner
systems | unix
MD5 | 49b2e116808688c5e52378dfe568c885
Skipfish Web Application Scanner 1.03b
Posted Mar 20, 2010
Authored by Michal Zalewski | Site code.google.com

Skipfish is a fully automated, active web application security reconnaissance tool. It is high speed, has a low false positive rate, and is easy to use.

tags | tool, web, scanner
systems | unix
MD5 | b2a37c1049c03afc8b216e73e3112c39
Multiple Browser Vulnerabilities
Posted Jun 11, 2009
Authored by Michal Zalewski

Michal Zalewski has released some details with links to proof of concept code for a MSIE same-origin bypass race condition, MSIE memory corruption on page transitions, CANVAS implementation crashes, and Safari page transition tailgating.

tags | advisory, proof of concept
advisories | CVE-2007-3091, CVE-2008-2321, CVE-2009-1684
MD5 | 49789c0f64615f53186232d0ed0c3379
RatProxy Security Audit Tool
Posted May 14, 2009
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

Changes: Another round of minor tweaks to the connection handling logic to improve compatibility with certain Web servers.
tags | tool, web, sniffer
MD5 | e4d5e64a0bd8f8f92032cbcee77fb3cf
RatProxy Security Audit Tool
Posted Apr 17, 2009
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

Changes: This release adds new checks for Flash crossdomain.xml and Silverlight clientaccesspolicy.xml, and reverts HTTP/1.1 logic introduced in 1.55.
tags | tool, web, sniffer
MD5 | 5403d5b8fba9e72caad3345fb5e9878c
RatProxy Security Audit Tool
Posted Mar 27, 2009
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

Changes: A minor change was made to always output HTTP/1.1 headers to avoid the activation of certain Web server heuristics.
tags | tool, web, sniffer
MD5 | f52e278f94f611045335176387c8d880
RatProxy Security Audit Tool
Posted Feb 16, 2009
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

tags | tool, web, sniffer
MD5 | 560f64f2de79040a57e0379501cfae9f
RatProxy Security Audit Tool
Posted Jan 2, 2009
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

tags | tool, web, sniffer
MD5 | 515ded853cd489cd894162fcf8e069d9
RatProxy Security Audit Tool
Posted Dec 31, 2008
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

tags | tool, web, sniffer
MD5 | de7e9819530a5537ba644b93d4283d28
p0f-2.0.8-db-20080806.tar.gz
Posted Aug 8, 2008
Authored by Michal Zalewski, David Coomber | Site lcamtuf.coredump.cx

p0f performs passive OS detection by watching SYN packets with tcpdump. Additionally, it is able to determine distance to the remote host, and can be used to determine the structure of a foreign or local network. When running on the gateway of a network it is able to gather huge amounts of data and provide useful statistics. On a user-end computer it could be used to track which operating systems are making each connection. p0f supports full tcpdump-style filtering expressions, and has an easily modified fingerprinting database. Note that this version is the win32 compiled version. Original code by Michal Zalewski, compiling by David Coomber.

Changes: Added better handling of MySQL error codes.
tags | tool, remote, local, scanner
systems | windows, unix
MD5 | b85bbe604ddd7cb813e7d132655ccc72
RatProxy Security Audit Tool
Posted Jul 10, 2008
Authored by Michal Zalewski | Site code.google.com

ratproxy is a semi-automated, largely passive Web application security audit tool optimized for accurate and sensitive detection, and automatic annotation, of potential problems and security-relevant design patterns based on the observation of existing, user-initiated traffic in complex Web 2.0 environments.

tags | tool, web, sniffer
MD5 | 40e47c86c8beaf01dabe4eae9458cf13
tmin-0.04.tar.gz
Posted Jun 19, 2008
Authored by Michal Zalewski | Site code.google.com

tmin is a quick and simple tool to minimize the size and syntax of complex test cases in automated security testing. It is meant specifically for dealing with unknown or complex data formats (without the need to tokenize and re-serialize testcases), and for easy integration with UI testing harnesses.

tags | fuzzer
MD5 | ec8d0047b0441cd963979080d427c0bd
bunny-0.93.tgz
Posted May 22, 2008
Authored by Michal Zalewski | Site code.google.com

Bunny the Fuzzer - A closed loop, high-performance, general purpose protocol-blind fuzzer for C programs. Uses compiler-level integration to seamlessly inject precise and reliable instrumentation hooks into the traced program. These hooks enable the fuzzer to receive real-time feedback on changes to the function call path, call parameters, and return values in response to variations in input data. This architecture makes it possible to significantly improve the coverage of the testing process without a noticeable performance impact usually associated with other attempts to peek into run-time internals.

Changes: Bug fix release.
tags | protocol, fuzzer
MD5 | 95fac3531bf5b64e20aab748278c2129
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