Full path :

/usr/local/share/afterstep/desktop/cursors/kill.xbm.mask

#define kill_width 16
#define kill_height 16
#define kill_x_hot 8
#define kill_y_hot 8
static unsigned char kill_bits[] = {
   0x04, 0x20, 0x0e, 0x70, 0x1f, 0xf8, 0x3e, 0x7c, 0x7c, 0x3e, 0xf8, 0x1f,
   0xf0, 0x0f, 0xe0, 0x07, 0xe0, 0x07, 0xf0, 0x0f, 0xf8, 0x1f, 0x7c, 0x3e,
   0x3e, 0x7c, 0x1f, 0xf8, 0x0e, 0x70, 0x04, 0x20};