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Showing 1-10 of 52 records
 
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A Question of Integrity: To MD5 or Not to MD5

2008-06-25 19:50:57 by Craig Balding in Cloud Security
 
...MD5 header was specified, Amazon S3 returned an error indicating the object did not match the MD5 supplied. When no MD5 is specified, we are unable to determine if transmission errors occurred, and Amazon S3 must assume that the object has been correctly transmitted. Based on our investigation with both internal and external customers, the...
 
Tags: amazon prior, amazon, aws, aws status page, md5, load balancer, single load balancer, status, data
 
 
 
 
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A Brief Intro To Cryptographic Hashes/MD5

2008-05-10 20:33:02 by Editor in Irongeek's Security Site
 
...MD5 A cryptographic hash function takes an input and returns a fixed size string that corresponds to it, called a hash. Cryptographic hashes have a lot of uses, some of which are: detecting data changes, storing or generating passwords, making unique keys in databases and ensuring message integrity. This video will mostly cover detecting file...
 
Tags: cryptographic hashes, hashes, md5 hashes, message integrity, video, unique keys, intro, cryptographic hashesmd5, lot
 
 
 
 
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A Brief Intro To Cryptographic Hashes/MD5

2008-05-10 20:33:02 by Editor in Irongeek's Security Site
 
...MD5 A cryptographic hash function takes an input and returns a fixed size string that corresponds to it, called a hash. Cryptographic hashes have a lot of uses, some of which are: detecting data changes, storing or generating passwords, making unique keys in databases and ensuring message integrity. This video will mostly cover detecting file...
 
Tags: cryptographic hashes, hashes, md5 hashes, message integrity, video, unique keys, intro, cryptographic hashesmd5, lot
 
 
 
 
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Squirreling Backdoors Into Distribution Points

2007-12-19 22:16:35 by Chris Eng in Zero in a bit
 
...MD5 published on SquirrelMails website didnt match the calculated MD5 from the SourceForge distribution Since the SVN repository remained intact, we cant go back and examine the backdoor in detail. However, we do have a newsgroup posting that sheds a little light on the situation What diff do you see between the compromised version and the...
 
Tags: md5 collisions, md5, md5 hashes, distribution, php, execute php code, execute, code, md5 unsafe
 
 
 
 
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WordPress 2.5 Cookie Forging Explained

2008-04-25 21:46:49 by Chris Eng in Zero in a bit
 
...MD5 hash of the site URL (to maintain cookie uniqueness) USERNAME: The username for the authenticated user EXPIRY TIME: When cookie should expire, in seconds since start of epoch MAC: HMAC-MD5(USERNAME . EXPIRY TIME) under a key derived from a secret and USERNAME . EXPIRY TIME So you login to WordPress with your username and password, and...
 
Tags: cookie, wordpress authentication cookie, authentication cookie, cookie integrity bug, hash, hash hmac, user, user identity, maintain cookie uniqueness
 
 
 
 
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The FirePack Exploitation Kit - Part Two

The Article has images
2008-04-27 04:27:00 by HASH0x8ae4cf0 in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...MD5...: ed71d57ddf70a5993b34e3bbcda23f2d SHA1..: cc0eceb9e8cc3475752c959be70204b6f4d82168 99FFC5BA4.php Scanners result : 6/32 (18.75 Trojan.DL.Script.JS.Agent.low; Exploit-OperaTN File size: 1815 bytes MD5...: 166fa42343dd59d941e24177a0da9102 SHA1..: e85701841a40c0017c06e2feb023272bff1b06f1 CCF45A00D.php Scanners result : 15/32 (46.88...
 
Tags: nuclear malware kit, malware kit, kit, metaphisher malware kit, icepack malware kit, original firepack kit, malware exploitation kit, php, scanners result
 
 
 
 
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Changing the SSL cipher order in Internet Explorer 7 on Windows Vista

2007-11-07 05:37:47 by Steve Riley in Steve Riley on Security
 
...MD5 SSL CK RC4 128 WITH MD5 SSL CK DES 192 EDE3 CBC WITH MD5 TLS RSA WITH NULL MD5 TLS RSA WITH NULL SHA When you study the list, you'll see that IE presents the algorithms in decreasing order of strength, but places the shorter bit-lengths first. Why? If longer bit lengths are more secure, shouldn't they be listed first Remember, encryption...
 
Tags: sha, null sha, cbc sha p384, cbc sha, cbc sha p521, shorter bit lengths, bit lengths, cbc sha p256, 256-bit aes
 
 
 
 
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Malware Attack Exploiting Flash Zero Day Vulnerability

The Article has images
2008-05-27 17:33:43 by Dancho Danchev in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...MD5...: 11d2b82a35cd37560673680f25571bac SHA1..: 687066c90bb44fee574f2763041ee80dfee4d5bf A sample flash file with the exploit Scanners result : 2/32 (6.25 eSafe - SWF.Exploit Symantec - Downloader.Swif.C File size: 846 bytes MD5...: 1222bf4627894cb88142236481680d03 SHA1..: bbf59d9e6610e6f982a7ce7fc9e9878ffd3bfe70 The malware served...
 
Tags: flash, malware, macromedia flash content, flash content, sample flash file, adobe flash player, adobe, participation domains, domains
 
 
 
 
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Blackhat SEO Redirects to Malware and Rogue Software

The Article has images
2008-06-05 07:59:47 by Dancho Danchev in Dancho Danchev's Blog - Mind Streams of Information Security Knowledge
...MD5...: dc5538af557cb4c311cb86d6574400ba SHA1..: 5cf1602db8c4fdd3c5ac5101e5a6c5daa77f5ff1 Scanners Result: 6/32 (18.75 Trojan-Downloader.Win32.FraudLoad.axa; Trojan.Dldr.FraudLoad.axa File size: 60416 bytes MD5...: 14938bfe35128687e05f7f8ccbd29c7d SHA1..: cf651e959fff945c9659321e79ba2788062b721d Scanners Result: 14/32 (43.75%)...
 
Tags: sites, profile sites, multimedia sites, codec sites, zlob variants, zlob, zlob malware variants, rogue codec sites, domains