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      2. 三菱FX3U PLC解密軟件開發(fā)敘述

        發(fā)布時間:2024-08-21
        對于三菱plc大家都很熟悉了,而fx2n的密碼破解應該大家都會了,在返回的數據中都能找到密碼,密碼是在軟件里比較的,而fx3u就不同了,fx3u有兩段密碼,看下圖:
        第1段密就和fx2n的一樣,加的是明碼,第2段就不一樣了,密碼加上后都變了,算法也完全變了,但在網上有高手能做到直讀密碼,我們被fx3u這種plc的強大功能所吸引,對三菱plc大家都用習慣了,覺的用起來順手,在整個工控行業(yè)中用的比例很大,所以對破解這款plc產生的濃厚的性趣,fx3u有的可以2個口編程,一個是我們通常用的圓口,還有個可以擴展個232接口,我先試圓口,通過串口軟件監(jiān)控的數椐,以下是我調試監(jiān)控的數據。
        #timefunctiondata(hex)
        1[00000000]irp_mj_createportopened-gppw.exe
        2[00000000]ioctl_serial_set_baud_ratebaudrate:115200
        3[00000000]ioctl_serial_set_line_controlstopbits:1,parity:even,databits:7
        4[00000001]irp_mj_writelength:0001,data:05
        5[00000002]irp_mj_readlength:0001,data:06
        6[00000002]irp_mj_writelength:0011,data:0230304530323032033643
        7[00000003]irp_mj_readlength:0001,data:02
        8[00000003]irp_mj_readlength:0001,data:42
        9[00000003]irp_mj_readlength:0001,data:31
        10[00000003]irp_mj_readlength:0001,data:35
        11[00000003]irp_mj_readlength:0001,data:45
        12[00000003]irp_mj_readlength:0001,data:03
        13[00000003]irp_mj_readlength:0001,data:46
        14[00000003]irp_mj_readlength:0001,data:30
        15[00000004]irp_mj_writelength:0011,data:0230304543413032033845
        16[00000004]irp_mj_readlength:0001,data:02
        17[00000004]irp_mj_readlength:0001,data:37
        18[00000004]irp_mj_readlength:0001,data:31
        19[00000004]irp_mj_readlength:0001,data:33
        20[00000004]irp_mj_readlength:0001,data:46
        21[00000004]irp_mj_readlength:0001,data:03
        22[00000004]irp_mj_readlength:0001,data:45
        23[00000004]irp_mj_readlength:0001,data:34
        24[00000005]irp_mj_writelength:0011,data:0230304530323032033643
        25[00000006]irp_mj_readlength:0001,data:02
        26[00000006]irp_mj_readlength:0001,data:42
        27[00000006]irp_mj_readlength:0001,data:31
        28[00000006]irp_mj_readlength:0001,data:35
        29[00000006]irp_mj_readlength:0001,data:45
        30[00000006]irp_mj_readlength:0001,data:03
        31[00000006]irp_mj_readlength:0001,data:46
        32[00000006]irp_mj_readlength:0001,data:30
        33[00000006]irp_mj_writelength:0011,data:0230304543413032033845
        34[00000007]irp_mj_readlength:0001,data:02
        35[00000007]irp_mj_readlength:0001,data:37
        36[00000007]irp_mj_readlength:0001,data:31
        37[00000007]irp_mj_readlength:0001,data:33
        38[00000007]irp_mj_readlength:0001,data:46
        39[00000007]irp_mj_readlength:0001,data:03
        40[00000007]irp_mj_readlength:0001,data:45
        41[00000007]irp_mj_readlength:0001,data:34
        42[00000015]irp_mj_closeportclosed
        6、上述從串口監(jiān)控到的數據是十六進制的數據,還真不好看,先轉換成asc碼,就好看多了。
        #timefunctiondata(string)
        1[00000000]irp_mj_createportopened-gppw.exe
        2[00000000]ioctl_serial_set_baud_ratebaudrate:115200
        3[00000000]ioctl_serial_set_line_controlstopbits:1,parity:even,databits:7
        4[00000001]irp_mj_writelength:0001,data:
        5[00000002]irp_mj_readlength:0001,data:
        6[00000002]irp_mj_writelength:0011,data:00e02026c
        7[00000003]irp_mj_readlength:0001,data:
        8[00000003]irp_mj_readlength:0001,data:b
        9[00000003]irp_mj_readlength:0001,data:1
        10[00000003]irp_mj_readlength:0001,data:5
        11[00000003]irp_mj_readlength:0001,data:e
        12[00000003]irp_mj_readlength:0001,data:
        13[00000003]irp_mj_readlength:0001,data:f
        14[00000003]irp_mj_readlength:0001,data:0
        15[00000004]irp_mj_writelength:0011,data:00eca028e
        16[00000004]irp_mj_readlength:0001,data:
        17[00000004]irp_mj_readlength:0001,data:7
        18[00000004]irp_mj_readlength:0001,data:1
        19[00000004]irp_mj_readlength:0001,data:3
        20[00000004]irp_mj_readlength:0001,data:f
        21[00000004]irp_mj_readlength:0001,data:
        22[00000004]irp_mj_readlength:0001,data:e
        23[00000004]irp_mj_readlength:0001,data:4
        24[00000005]irp_mj_writelength:0011,data:00e02026c
        25[00000006]irp_mj_readlength:0001,data:
        26[00000006]irp_mj_readlength:0001,data:b
        27[00000006]irp_mj_readlength:0001,data:1
        28[00000006]irp_mj_readlength:0001,data:5
        29[00000006]irp_mj_readlength:0001,data:e
        30[00000006]irp_mj_readlength:0001,data:
        31[00000006]irp_mj_readlength:0001,data:f
        32[00000006]irp_mj_readlength:0001,data:0
        33[00000006]irp_mj_writelength:0011,data:00eca028e
        34[00000007]irp_mj_readlength:0001,data:
        35[00000007]irp_mj_readlength:0001,data:7
        36[00000007]irp_mj_readlength:0001,data:1
        37[00000007]irp_mj_readlength:0001,data:3
        38[00000007]irp_mj_readlength:0001,data:f
        39[00000007]irp_mj_readlength:0001,data:
        40[00000007]irp_mj_readlength:0001,data:e
        41[00000007]irp_mj_readlength:0001,data:4
        42[00000015]irp_mj_closeportclosed
        電腦發(fā):00e0202’查詢d8001的值
        plc回:b15e‘回復為5eb1,回復的數據高位在后、低位在前,所以要對調個位,
        5eb1轉為10進數據值為:24241,24表示plc型號fx2n或3u,241表示版本號,
        電腦發(fā):00eca02碼’查詢d8101的值
        plc回:713f‘回復為3f71轉為10進數據值為:16241,16表示plc型號為fx3u,241表示版本號
        以上這一大段數據也就是編程軟件查詢一下plc的型號,以便接下來按相應的通迅協(xié)議進行通迅。這些數據是花了大量時間測試出來的,
        這次就講到這里,望朋友多多指點。
        上一個:6AV6545-0BC15-2AX0,給力*
        下一個:1200℃箱式氣氛保護高溫爐結構組成

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