Mitmproxy ssl8/2/2023 ![]() chk_poison.py which will check if an ARP poisoning is successful.If you check the bin folder, you will find these tools: We will specify the interactive mode (mitmproxy GUI), the capture HTTP traffic mode only (not faking certificates) and we will apply our custom sslstrip.py script. Remote: Total 49 (delta 15 ), reused 35 (delta 9 ), pack-reused 0ĭépaquetage des objets: 100% (49/49 ), fait. Remote: Compressing objects: 100% (34/34 ), done. What happens if we click on “Mon compte ameli” in order to log in ? We have here a non-secure HTTP landing page. MITM attacks still succeed if you are not protected with some soft/hardware dropping unsolicited ARP responses ( RFC 826). You can find so many other websites, even some online bank websites to reproduce the attack. In our example we will do a MITM attack between a Kali VM and the french social welfare website. I saw on websites the Strict-Transport-Security set on plain HTTP responses, but the browser won’t redirect if the above conditions are not met.īut what if HSTS has never been cached ? so we will be able to fool a victim an maintain an plain text connection as we will see (we won’t deal with any certificate faking here. I checked on Chrome and Firefox this behavior. It is important to notice that the Strict-Transport-Security header will be cached if it is legitimate, i mean if the header is first saw by the browser on a HTTP response over TLS/SSL and if the certificate is valid (signed by a browser trusted CA). However, if a ressource has been cached with HSTS, the browser will automatically do an internal redirect (Code 307). He can strip all secure headers, redirect trafic, change web page content, force HTTP trafic, and so on.Įvery case is different but keep in mind that if the victim is able to generate a plain HTTP request (), the attacker can control all the trafic. ![]() If an attacker could interfer with only one page, several options are available to him. I already wrote some articles talking about the importance of implementing the HTTP Strict Transport Security ( HSTS) and to secure all the webpages, even the landing page.īecause all the trafic should be hidden from prying eyes. MITM Part 2 - Hands on with MITM and HTTPS
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