How to Hack WiFi Password Easily
“How to Hack WiFi Password Easily” A security researcher has devised a new WiFi hacking technique that could be exploited to easily crack WiFi passwords of most modern routers.
The new WiFi hacking technique allows to crack WPA/WPA2 wireless network protocols with Pairwise Master Key Identifier (PMKID)-based roaming features enabled.
The expert was analyzing the recently launched WPA3 security standard when accidentally the new technique .
“This attack was discovered accidentally while looking for new ways to attack the new WPA3 security standard. WPA3 will be much harder to attack because of its modern key establishment protocol called “Simultaneous Authentication of Equals” (SAE).”
“The main difference from existing attacks is that in this attack, capture of a full EAPOL 4-way handshake is not required. The new attack is performed on the RSN IE (Robust Security Network Information Element) of a single EAPOL frame.”
The RSN protocol was designed for establishing secure communications over an 802.11 wireless network and it is part of the 802.11i (WPA) standard. Every time it attempts to establish a secure communication channel, the RSN broadcasts an RSN IE message within the network.
Below the description of the technique step by step for WiFi hacking
Step 1 — An attacker can use a tool like hcxdumptool (v4.2.0 or higher) to request the PMKID from the targeted access point and dump the received frame to a file.
$ ./hcxdumptool -o test.pcapng -i wlp39s0f3u4u5 –enable_status
Step 2 — Run hcxpcaptool tool to convert the captured data from pcapng format to a hash format accepted by hashcat
$ ./hcxpcaptool -z test.16800 test.pcapng
Step 3 — Use Hashcat (v4.2.0 or higher) password cracking tool to obtain the WPA PSK (Pre-Shared Key) password that is the password of the target wireless network.
$ ./hashcat -m 16800 test.16800 -a 3 -w 3 ‘?l?l?l?l?l?lt!’The time to crack the password depends on its complexity.
“At this time, we do not know for which vendors or for how many routers this technique will work, but we think it will work against all 802.11i/p/q/r networks with roaming functions enabled (most modern routers).” Steube concluded.
“The main advantages of this attack are as follow(WiFi Hacking):
- No more regular users required – because the attacker directly communicates with the AP (aka “client-less” attack)
- No more waiting for a complete 4-way handshake between the regular user and the AP
- No more eventual retransmissions of EAPOL frames (which can lead to uncrackable results)
- No more eventual invalid passwords sent by the regular user
- No more lost EAPOL frames when the regular user or the AP is too far away from the attacker
- No more fixing of nonce and replaycounter values required (resulting in slightly higher speeds)
- No more special output format (pcap, hccapx, etc.) – final data will appear as regular hex encoded string”.
The new attack technique does not work against the recently introduced WPA3 security protocol.
The WPA3 protocol is “much harder to attack because of its modern key establishment protocol called “Simultaneous Authentication of Equals” (SAE).”
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