Sample viewer

vx.netlux.org/Virus.DOS.Jerusalem.1521

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:21:51.551325654Z 224 PC: 12a79 | UNKNOWN!
2018-12-17T22:21:51.552700274Z 224 PC: 12acd | UNKNOWN!
2018-12-17T22:21:51.554093214Z 74 PC: 12b51 | Reallocate memory
2018-12-17T22:21:51.556091813Z 53 PC: 12b56 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:21:51.558545738Z 37 PC: 12b6a | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:21:51.559754023Z 42 PC: 12b9a | Get date 0x12b9a: mov byte ptr cs:[0x593], 0
0x12ba0: cmp cx, 0x7c3
0x12ba4: je 0x12bd5
0x12ba6: cmp al, 5
0x12ba8: jne 0x12bb6
0x12baa: cmp dl, 0xd
0x12bad: jne 0x12bb6
0x12baf: inc byte ptr cs:[0x593]
0x12bb4: jmp 0x12bd5
0x12bb6: mov ax, 0x3508
0x12bb9: int 0x21
0x12bbb: mov word ptr cs:[0x598], bx
0x12bc0: mov word ptr cs:[0x59a], es
0x12bc5: push cs
0x12bc6: pop ds
0x12bc7: mov word ptr [0x5a4], 0x7e90
0x12bcd: mov ax, 0x2508
0x12bd0: mov dx, 0x1bc
0x12bd3: int 0x21
0x12bd5: pop dx
2018-12-17T22:21:51.562144269Z 53 PC: 12bbb | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:21:51.563304442Z 37 PC: 12bd5 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:21:51.564866386Z 75 PC: 12be1 | Execute program
2018-12-17T22:21:51.581648305Z 9 PC: 13415 | Display string (String= '')
2018-12-17T22:21:51.584055786Z 9 PC: 1341c | Display string (Could not find end pointer)
2018-12-17T22:21:51.595874254Z 76 PC: 13432 | Terminate with return code (Return code = '0')
2018-12-17T22:21:51.598809521Z 73 PC: 12be7 | Release memory
2018-12-17T22:21:51.600037864Z 77 PC: 12beb | Get program return code
2018-12-17T22:21:51.601723534Z 49 PC: 12bf9 | Terminate and stay resident (Return code = '0' | Memory size = '112')