Tag: SSH
Figure 2: Alternative C&C server address hosted on Pastebin.com One of the challenges that adversaries need to deal with is how to maintain a sustainable C&C infrastructure without being quickly denylisted by enterprise security solutions, or being frequently shut down by ISPs and hosting services following law enforcement and security vendors’ abuse reports. Many…
Read MoreIt’s a sad state of Internet affairs when the US government must publish a US-CERT Alert about Russia targeting US entities through negligent network infrastructure misconfigurations.1 In Alert TA18-106A, US-CERT discloses that since 2015, the US government, in partnership with the UK, has been receiving data from numerous sources that “large numbers” of enterprise-class and…
Read More(The fifth entry on the list, “12345,” inevitably brings to mind the excellent Spaceballs: “1-2-3-4-5? That’s the stupidest combination I’ve ever heard of in my life! That’s the kinda thing an idiot would have on his luggage!)” Top Attacked Username and Password Pairs: Credentials Every security team should make it a priority to ensure that…
Read MoreF5 Labs, in conjunction with our partner Baffin Bay Networks, researches global attack traffic region to region to gain a deeper understanding of the cyber threat landscape. Aside from attack campaigns targeting the entire Internet (IPv4 address space), the attack landscape varies regionally in terms of sources, targets, and attack types. In addition, targeted ports…
Read MoreF5 Labs, in conjunction with our partner Baffin Bay Networks, researches global attack traffic region to region to gain a deeper understanding of the cyber threat landscape. Aside from attack campaigns targeting the entire Internet (IPv4 address space), the attack landscape varies regionally in terms of sources, targets, and attack types. In addition, targeted ports…
Read MoreF5 Labs, in conjunction with our partner Baffin Bay Networks, researches global attack traffic region to region to gain a deeper understanding of the cyber threat landscape. Aside from attack campaigns targeting the entire Internet (IPv4 address space), the attack landscape varies regionally in terms of sources, targets, and attack types. In addition, targeted ports…
Read MoreAttack Types of Top Attacking IP Addresses Many of the IP addresses attacking Russian systems during the winter of 2019 were involved in abusive port scanning activity. As noted in the top attacked ports section, Microsoft SMB on port 445 was the highest targeted port, and that was seen across all of the top attacking…
Read MoreAttack Types of Top Attacking IP Addresses Many of the IP addresses attacking American systems during the winter of 2019 were involved with abusive port scanning activity. As noted in the Top Target Ports section, Microsoft SMB port 445 was the highest targeted port. We continue to observe high levels of attack traffic pointed toward…
Read MoreF5 Labs, in conjunction with our partner Baffin Bay Networks, researches global attack traffic region to region to gain a deeper understanding of the cyberthreat landscape. Aside from attack campaigns targeting the entire Internet (IPv4 address space), the attack landscape varies regionally in terms of sources, targets, and attack types. In addition, targeted ports expose…
Read MoreF5 Labs, in conjunction with our partner Baffin Bay Networks, researches global attack traffic region to region to gain a deeper understanding of the cyberthreat landscape. Aside from attack campaigns targeting the entire Internet (IPv4 address space), the attack landscape varies regionally in terms of sources, targets, and attack types. In addition, targeted ports expose…
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