Ethernet, FTP, Telnet, HTTP, Bluetooth - ihe ndabere nke nyocha okporo ụzọ. Idozi nsogbu na netwọk nwere r0ot-mi. Akụkụ 1

N'isiokwu a, ọrụ 5 mbụ ga-akụziri gị ihe ndabere nke nyocha okporo ụzọ nke usoro netwọk dị iche iche.

Ozi nhaziKarịsịa maka ndị chọrọ ịmụta ihe ọhụrụ ma zụlite na mpaghara ọ bụla nke ozi na nchekwa kọmputa, m ga-ede ma kwuo banyere ụdị ndị a:

• PWN;
• cryptography (Crypto);
• teknụzụ netwọkụ (Network);
• ntụgharị (Reverse Engineering);
• steganography (Stegano);
• ịchọ na nrigbu nke adịghị ike WEB.

Na mgbakwunye na nke a, m ga-ekekọrịta ahụmịhe m na kọmpụta forensics, malware na firmware analysis, ọgụ na netwọk ikuku na netwọk mpaghara, na-eduzi pentest na ide ihe.

Iji nyere gị aka ị nweta akụkọ ọhụrụ, ngwanrọ na ozi ndị ọzọ, emepụtara m Telegram ọwa и otu iji kparịta okwu ọ bụla na mpaghara IIKB. Nakwa arịrịọ nkeonwe gị, ajụjụ, ntụnye na ndụmọdụ gị Aga m ele anya wee zaghachi onye ọ bụla..

Enyere ozi niile maka ebumnuche nkuzi naanị. Onye dere akwụkwọ a anaghị ewere ọrụ ọ bụla maka mmebi ọ bụla kpatara onye ọ bụla n'ihi iji ihe ọmụma na ụzọ enwetara n'ihi ịmụ akwụkwọ a.

Nyocha FTP

N'ime ọrụ a, a gwara anyị ka anyị chọta data nyocha sitere na mkpofu okporo ụzọ. N'otu oge ahụ ha na-ekwu na nke a bụ FTP. Mepee faịlụ PCAP na wireshark.

Nke mbụ, ka anyị nyochaa data ahụ, ebe ọ bụ na anyị chọrọ naanị usoro FTP.

Ugbu a, ka anyị gosi okporo ụzọ site na eruba. Iji mee nke a, mgbe ịpịrị aka nri, họrọ Soro TCP Stream.

Anyị na-ahụ aha njirimara na paswọọdụ.

Nyocha Telnet

Ọrụ ahụ yiri nke gara aga.

Anyị na-ewere nbanye na paswọọdụ.

Ethernet etiti

Enyere anyị ihe nnọchite anya Hex nke ngwugwu protocol Ethernet wee jụọ anyị ka anyị chọta data nwere mmetụta. Nke bụ eziokwu bụ na a na-etinye usoro iwu ndị ahụ n'otu n'ime nke ọzọ. Ya bụ, na mpaghara data nke ethernet protocol e nwere IP protocol, na data ebe nke TCP protocol dị, na ya e nwere HTTP, ebe data dị. Ya bụ, naanị anyị kwesịrị ịgbanwe mkpụrụedemede site na usoro hex.

Isi HTTP nwere data nyocha ntọala. Anyị decoded ha site na Base64.

Nyocha Twitter

A gwara anyị ka anyị chọta paswọọdụ iji banye na twitter site na mkpofu okporo ụzọ.

Enwere naanị otu ngwugwu. Ka anyị mepee ya site na ịpị ugboro abụọ.

Ọzọ anyị na-ahụ Basic nyocha data.

Chọta aha njirimara na paswọọdụ.

faịlụ Bluetooth amaghị

Ha na-akọ akụkọ wee jụọ gị ka ịchọta aha na adreesị MAC nke ekwentị ahụ. Ka anyị mepee faịlụ na wireshark. Chọta ahịrị Arịrịọ Remote Aha zuru ezu.

Ka anyị leba anya n'ọhịa nke ngwugwu a, ebe a na-egosipụta adreesị MAC na aha ekwentị.

Anyị na-ewere hash ma nyefee ya.

N'ime ọrụ a, anyị ga-emecha nyochaa mgbagwoju anya dị mfe na isiokwu nke netwọk (karịa maka ndị mbido). Ọzọkwa siri ike... Ị nwere ike isonyere anyị telegram. N'ebe ahụ ị nwere ike ịtụpụta isiokwu gị wee sonye na ntuli aka ịhọrọ isiokwu maka akụkọ na-esote.

isi: www.habr.com