1747-L551美國AB模塊

1747-L551美國AB模塊CPU 1756-L55 1756-L55M12 1756-L55M13 1756-L55M14 1756-L55M16 1756-L55M22 1756-L55M23 1756-L55M24 1756-L60M03SE 1756-L61 1756-L61S 1756-L62 1756-L62S 1756-L63 1756-L64 1756-LSP 1756-M12 1756-M13 1756-M14 1756-M16 1756-M22 1756-M23 1756-M24 1784-CF64 1756-DNB 1756-A10 1756-A13 1756-A17 1756-A4 1756-A7 1756-IA16 1756-IA16I 1756-IA32 1756-IA8D 1756-IB16 1756-IB16D 1756-IB16I 1756-IB16ISOE 1756-IB32 1756-IC16 1756-IG16 1756-IH16I 1756-IH16ISOE 1756-IM16I 1756-IN16 1756-IV16 1756-IV32 1756-OA16 1756-OA16I 1756-OA8 1756-OA8D 1756-OA8E 1756-OB16D 1756-OB16E 1756-OB16I 1756-OB16IS 1756-OB32 1756-OB8 1756-OB8EI 1756-OB8I 1756-OC8 1756-OH8I 1756-ON8 1756-OV16E 1756-OV32E 1756-OW16I 1756-OX8I 1756-IF16 1756-IF4FXOF2F 1756-IF6CIS 1756-IF6I 1756-IF8 1756-IF8H 1756-IR6I 1756-IT6I 1756-IT6I2 1756-OF4 1756-OF6CI 1756-OF6VI 1756-OF8 1756-OF8H 1756-OG16 1756-CFM 1756-HSC 1756-HYD02 1756-PLS 1756-M02AE 1756-M02AS 1756-M03SE 1756-M08SE 1756-M16SE 1756-DMAF 1756-DMCF001 1756-DMCF003 1756-DMCF010 1756-DMCF030 1756-TBCH 1756-TBE 1756-TBNH 1756-TBS6H 1756-TBSH 1756-CN2R 1756-CNB 1756-CNBR 1756-EN2T 1756-ENBT 1756-EWEB 1756-TC15 1756-DH485 1756-DHRIO 1756-CPR2 1756-PA72 1756-PA75 1756-PB72 1756-PB75 1756-PBR2 1756-PC75 1756-PH75 1756-PSCA2 優點: 1、使得內核更加緊湊靈活. 2、修改內核時, 不必重新編譯整個內核. 3、模塊可以不依賴于某個固定的硬件平臺,即使它依賴于某系統特殊的硬件特點 4、模塊的一旦被鏈接到內核,它的作用和靜態鏈接的內核目標代碼完全等價.所以當調用模塊函數時,無須顯式的消息傳遞. 5、截獲. 缺點: 模塊機制帶來安全上的隱患 1、修改輸出符號表. 2、通過修改系統調用,使模塊自己隱性. 3、文件操作. 4、修改文件屬主. 5、隱藏進程. 6、重定向. 7、通過修改系統調用sys_socketcall,使得系統在收到指定數據包后打開后門 8、TTY劫持. 9、病毒.