Known Trojans/Worms for Port: 3127
| Worm/Trojan Name | Discovered |
| MyDoom.A | January 26, 2004 |
| W32.HLLW.Deadhat | February 06, 2004 |
| W32.HLLW.DoomJuice | February 09, 2004 |
| W32.DoomHunter | February 12, 2004 |
| Moody.Worm | February 19, 2004 |
| W32.Welchia.D Worm | February 23, 2004 |
| W32.MockBot.A | February 25, 2004 |
| W32.SoLame.A | April 05, 2004 |