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Nethief

Family Author(s) From Date Has Image
Nethief 1.0 Beta 2 ? February 2001
Nethief 1.0 Beta 4 ? March 2001
Nethief 1.0 ? May 2001
Nethief 1.2 ? June 2001
Nethief 1.3 ? July 2001
Nethief 1.5 ? July 2001
Nethief 1.7 ? August 2001
Nethief 1.8 ? August 2001
Nethief 1.9 ? September 2001
Nethief 2.0 ? September 2001
Nethief 2.1 ? September 2001
Nethief 2.3 ? October 2001
Nethief 2.5 ? October 2001
Nethief 2.2 ? November 2001
Nethief 2.4 ? November 2001
Nethief 2.6 ? November 2001
Nethief 2.7 ? November 2001
Nethief XP (a) ? February 2002
Nethief XP SP1 ? March 2002
Nethief 3.0 ? April 2002
Nethief 3.1 ? May 2002
Nethief 3.2 ? June 2002
Nethief 3.3 ? July 2002
Nethief 3.4 ? August 2002
Nethief 3.5 ? August 2002
Nethief 3.6 ? China October 2002
Nethief 3.7 ? October 2002
Nethief 3.8 ? December 2002
Nethief 3.9 ? December 2002
Nethief 4.0 ? January 2003
Nethief 4.1 ? February 2003
Nethief 4.2 ? March 2003
Nethief 4.3 ? April 2003
Nethief 4.4 ? April 2003
Nethief 4.5 ? China May 2003
Nethief 4.6 ? China May 2003
Nethief 4.7 ? China June 2003
Nethief 4.8 ? China June 2003
Nethief 4.9 ? China July 2003
Nethief 5.0 ? China August 2003
Nethief 5.1 ? China October 2003
Nethief 5.2 ? China October 2003
Nethief 5.3 ? China December 2003
Nethief 5.4 ? China February 2004
Nethief 5.5 ? China March 2004
Nethief 5.6 ? China May 2004
Nethief 5.7 ? China June 2004
Nethief 5.8 ? China July 2004
Nethief 5.9 ? China August 2004
Nethief 6.0 ? China September 2004
Nethief 6.1 ? China October 2004
Nethief 6.2 ? China November 2004
Nethief 6.3 ? China January 2005
Nethief 6.4 ? China February 2005
Nethief 6.5 ? China April 2005
Nethief 7.0 ? China July 2005

This archive is an almost-complete reconstruction of the legendary Mega Security (also known as Kobayashi), a premier 90s-era "Trojan Database" where malware authors once showcased their work. After a decade offline, the site was brought back in August 2024 by its original creator, MasterRat, who authorized the Malware Gallery to host this modernized, searchable version of the collection. While the original site remains available for those seeking a nostalgic, old-school experience, we are proud to continue its legacy here. Full credit and thanks go to MasterRat and the retired Mega Security staff for their years of dedicated work in cataloging these historical samples.