A cikin wannan labarin, ayyuka na 5 na farko za su koya muku mahimman hanyoyin nazarin zirga-zirga na ka'idojin cibiyar sadarwa daban-daban.
bayanin kungiyaMusamman ga masu son koyon wani sabon abu da haɓaka ta kowane fanni na bayanai da tsaro na kwamfuta, zan yi rubutu da magana game da waɗannan nau'ikan:
- PWN;
- cryptography (Crypto);
- fasahar sadarwa (Network);
- baya (Reverse Engineering);
- steganography (Stegano);
- bincike da amfani da raunin WEB.
Bugu da kari, zan raba gwaninta a cikin binciken kwamfyuta, malware da bincike na firmware, hare-hare kan cibiyoyin sadarwa mara waya da cibiyoyin sadarwa na yanki, yin amfani da rubutu da rubutu.
Domin ku sami sabbin labarai, software da sauran bayanai, na ƙirƙira и a cikin IIKB. Hakanan buƙatunku na sirri, tambayoyi, shawarwari da shawarwari .
An bayar da duk bayanan don dalilai na ilimi kawai. Marubucin wannan takarda ba shi da alhakin duk wani lahani da aka yi wa kowa sakamakon amfani da ilimi da hanyoyin da aka samu a sakamakon nazarin wannan takarda.
Tabbatar da FTP
A cikin wannan aikin, ana tambayarmu don nemo bayanan tantancewa daga wurin juji. A lokaci guda kuma suna cewa wannan shine FTP. Bude fayil ɗin PCAP a cikin wayashark.
Da farko, bari mu tace bayanan, tunda muna buƙatar ka'idar FTP kawai.
Yanzu bari mu nuna zirga-zirga ta hanyar kwarara. Don yin wannan, bayan danna dama, zaɓi Bi TCP Stream.
Muna ganin sunan mai amfani da kalmar wucewa.
Tabbacin Telnet
Aikin yana kama da na baya.
Muna ɗaukar login da kalmar wucewa.
Ethernet frame
An ba mu wakilcin Hex na fakitin yarjejeniya ta Ethernet kuma an nemi mu nemo bayanai masu mahimmanci. Gaskiyar ita ce, ƙa'idodin suna tattare ɗaya a cikin ɗayan. Wato, a cikin yankin bayanai na ka'idar ethernet akwai ka'idar IP, a cikin yankin bayanan da tsarin TCP yake, a ciki akwai HTTP, inda bayanan suke. Wato, kawai muna buƙatar yanke haruffa daga tsarin hex.
Kan HTTP yana ƙunshe da ainihin bayanan tabbatarwa. Mun yanke su daga Base64.
Tabbatar da Twitter
Ana tambayarmu mu nemo kalmar sirri don shiga twitter daga jujjuyawar ababen hawa.
Kunshin daya ne kawai. Bari mu bude ta ta danna sau biyu.
Kuma mun sake ganin Basic Tantance bayanai.
Nemo sunan mai amfani da kalmar wucewa.
Fayil na Bluetooth wanda ba a sani ba
Suna ba da labari kuma suna tambayarka ka nemo suna da adireshin MAC na wayar. Bari mu buɗe fayil ɗin a cikin wireshark. Nemo layin Nesa Buƙatun Suna cikakke.
Bari mu kalli filayen wannan fakitin, inda aka nuna adireshin MAC da sunan waya.
Mu dauki zanta mu mika shi.
A cikin wannan ɗawainiyar, za mu gama nazarin wasanin gwada ilimi mai sauƙi kan batun cibiyoyin sadarwa (ƙari don masu farawa). Ci gaba da wahala ... Za ku iya shiga cikin mu . A can za ku iya ba da shawarar batutuwanku kuma ku shiga cikin zaɓe don zaɓar batun labarai na gaba.
source: www.habr.com