Security Boulevard

OCTOBER 21, 2022

The newly discovered WarHawk backdoor contains various malicious modules that deliver Cobalt Strike, incorporating new TTPs such as KernelCallBackTable Injection and Pakistan Standard Time zone check in order to ensure a victorious campaign. Command Execution Module. Below, we analyze the Stage-2 Payloads downloaded by WarHawk.

DNS 52

DNS Phishing Malware Government 52

McAfee

FEBRUARY 17, 2021

This blog will describe what domain age is, how domains are created and registered, domain age value, and how domain age can be used most effectively as a compliment to other web security tools. IANA manages the DNS root zone and TLDs (Top Level Domains like.com,org,edu, etc.) which reverse resolves to a172-224-15-98.deploy.static.akamaitechnologies.com.

Internet 65

Internet Internet DNS Risk 65

Troy Hunt

MARCH 9, 2022

Last month as part of my blog post on How Everything We're Told About Website Identity Assurance is Wrong , I spun up a Cloudflare Pages website for the first time and hosted digicert-secured.com there (the page has a seal on it so you know you can trust it). Do check that out if you're going to follow in my footsteps.

Passwords 350

Passwords DNS Accountability Risk 350

Fox IT

JANUARY 12, 2021

If the victim’s network contains other Windows domains or different network security zones, the adversary scans and finds the trust relationships and jump hosts, attempting to move into the other domains and security zones. At one customer, the data of interest was stored in a separate security zone.

VPN 68

VPN Accountability Passwords DNS 68

Pen Test Partners

AUGUST 24, 2023

With that in mind, and for those that weren’t able to attend, here’s a follow-up blog post. This blog was then later weaponised into a single python script and dubbed Sam the Admin. Later, Andrew released his own blog too , already hinting at some issues with *nix based Kerberos services within Active Directory realms.

DNS 52

DNS Authentication Accountability Passwords 52

Fox IT

JUNE 2, 2020

The purpose of this blog post is to describe the functionality of the two components, the loader and the backdoor. The download process is the same with the previous variant, the loader resolves the command and control server IP address using a hardcoded list of DNS servers and then downloads the corresponding file. Identified DNS IPs.

Malware 48

Malware DNS Architecture Backups 48

McAfee

SEPTEMBER 14, 2021

McAfee customers are protected from the malware/tools described in this blog. A more detailed blog with specific recommendations on using the McAfee portfolio and integrated partner solutions to defend against this attack can be found here. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server.

Malware 144

Malware DNS Accountability Manufacturing 144

SecureList

SEPTEMBER 29, 2021

DNS hijacking. Later this year, in June, our internal systems found traces of a successful DNS hijacking affecting several government zones of a CIS member state. During these time frames, the authoritative DNS servers for the zones above were switched to attacker-controlled resolvers. Hijacked domains.

DNS 97

DNS Malware Engineering Encryption 97

Cisco Security

DECEMBER 22, 2022

In this blog about the design, deployment and automation of the Black Hat network, we have the following sections: Designing the Black Hat Network, by Evan Basta. This enabled quick reaction if challenges were identified, or APs could be redeployed to other zones. Much of this has been covered in previous blogs.

Engineering 61

Engineering Mobile Malware Wireless 61

Cisco Security

MAY 24, 2021

Enforce security at the DNS layer. Cisco Umbrella analyses DNS queries to block requests to malicious domains, suspicious files or direct IP connections from command-and-control callbacks. Enforcing ISA/IEC 62443 zones and conduits to isolate industrial zones from each other further solidifies your security posture.

Firewall 90

Firewall IoT DNS Cyber Attacks 90

SecureList

OCTOBER 26, 2021

In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.

Malware 140

Malware Government Surveillance Spyware 140