Sample viewer

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

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:41:58.787870221Z 224 PC: 12ada | UNKNOWN!
2018-12-17T22:41:58.789542891Z 224 PC: 12b2e | UNKNOWN!
2018-12-17T22:41:58.790463731Z 74 PC: 12bb2 | Reallocate memory
2018-12-17T22:41:58.791719509Z 53 PC: 12bb7 | Get interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:41:58.793079796Z 37 PC: 12bcb | Set interrupt vector (Interrupt = '33' AKA 'Random read')
2018-12-17T22:41:58.794282008Z 42 PC: 12bfb | Get date 0x12bfb: mov byte ptr cs:[0xe], 0
0x12c01: cmp cx, 0x7c3
0x12c05: je 0x12c37
0x12c07: cmp al, 5
0x12c09: jne 0x12c18
0x12c0b: cmp dh, 0xa
0x12c0e: je 0x12c18
0x12c10: inc byte ptr cs:[0xe]
0x12c15: jmp 0x12c37
0x12c17: nop
0x12c18: mov ax, 0x3508
0x12c1b: int 0x21
0x12c1d: mov word ptr cs:[0x13], bx
0x12c22: mov word ptr cs:[0x15], es
0x12c27: push cs
0x12c28: pop ds
0x12c29: mov word ptr [0x1f], 0x7e90
0x12c2f: mov ax, 0x2508
0x12c32: mov dx, 0x21e
0x12c35: int 0x21
2018-12-17T22:41:58.796265342Z 53 PC: 12c1d | Get interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:41:58.79729472Z 37 PC: 12c37 | Set interrupt vector (Interrupt = '8' AKA 'Console input without echo')
2018-12-17T22:41:58.798397901Z 75 PC: 12c43 | Execute program
2018-12-17T22:41:58.813060882Z 48 PC: 13efb | Get DOS version
2018-12-17T22:41:58.814294084Z 9 PC: 13f07 | Display string (String= ' Incorrect DOS version ')
2018-12-17T22:41:58.821896887Z 73 PC: 12c49 | Release memory
2018-12-17T22:41:58.823178429Z 77 PC: 12c4d | Get program return code
2018-12-17T22:41:58.824321647Z 49 PC: 12c5b | Terminate and stay resident (Return code = '0' | Memory size = '112')