> -----Original Message----- > From: Harlan Carvey [mailto:keydet89at_private] > Sent: Friday, 16 May 2003 10:57 p.m. > To: incidentsat_private > Subject: Re: Trojan modifying ntdll.dll and cmd.exe > > > Eric, > > I'd like to ask a couple of questions, to get some > clarification. > > > We have encountered a trojan that has modified both > > cmd.exe and > > ntdll.dll on a Windows 2000 machine. The files > > failed our CRC check > > (TDS was used for this, these out of 29 CRC-checked > > files were flagged > > as modified and Windows also flagged it). > > What is "TDS"? It sounds as if it might be Tripwire, > but I'm not familiar w/ the acronym. I'll leave other answers to the original poster. TDS might be Trojan Defence Suite (as he said he detected a trojan). That is "anti-trojan" program which works pretty similar as anti-virus programs (has its own database of known signatures and supports some level of heuristic scanning, which can lead to lot of false-positives). Find more info about it at the following URL: http://tds.diamondcs.com.au/ Best regards, Bojan Zdrnja ---------------------------------------------------------------------------- *** Wireless LAN Policies for Security & Management - NEW White Paper *** Just like wired networks, wireless LANs require network security policies that are enforced to protect WLANs from known vulnerabilities and threats. Learn to design, implement and enforce WLAN security policies to lockdown enterprise WLANs. To get your FREE white paper visit us at: http://www.securityfocus.com/AirDefense-incidents ----------------------------------------------------------------------------
This archive was generated by hypermail 2b30 : Tue May 20 2003 - 12:54:21 PDT