Ransomware is defined as a type of malware that blocks access to data until a sum of money is paid. This niche type of cybercrime is now big business due to the rise of cryptocurrency and the ransomware as a…
Read MoreJanuary 13, 2022
To help security teams stay on top of Log4Shell, LogRhythm Labs recently released information for detecting the vulnerability with the LogRhythm NextGen SIEM and MistNet NDR platforms. In this blog, we’ll continue to dive deeper as we uncover more detection…
Read MoreDecember 20, 2021
News is spreading fast about the recent CVE-2021-44228 Log4Shell vulnerability. SANS noted that the first exploit seen by Cloudflare was 4:36 GMT on December 1st. This was eight days prior to the Proof of Concept (PoC) exploit published on GitHub on December 9th. SANS saw first attempts at 12:32 PM on December 9th. In…
Read MoreDecember 14, 2021
In 2021, cybercriminals took aim at critical infrastructure with ransomware attacks on Colonial Pipeline, JBS and others. They also continued to find new ways to exploit employees working remotely, those seeking information on COVID-19 vaccines, and improperly secured APIs. In…
Read MoreDecember 8, 2021
Management of risk is not a simple undertaking but is essential for enterprise governance and decision making. Whether a company is adopting an enterprise risk management framework (e.g., ISO 31000, COSO, or NIST RMF) or building out an information security…
Read MoreNovember 22, 2021
November 3, 2021
At their core, information security and compliance seem like topics that should go hand in hand: InfoSec deals with the daily functions of identifying and responding to threats, while compliance includes responsibilities of implementing IT security controls and effective governance.…
Read MoreJuly 19, 2021
On 9 May 21, the Federal Bureau of Investigation (FBI) issued a statement regarding a network disruption at Colonial Pipeline, one of the largest fuel pipelines servicing the eastern United States. Following immediate operational shutdowns and further initial investigation, the…
Read MoreMay 27, 2021
May 19, 2021
March 5, 2021
TL/DR Methods to detect when a certificate is exported from a Windows system are discussed in detail below using the audit log “Certificate Services Lifecycle Notifications” and collecting the log messages with “MS Windows Event Logging XML – Generic” log…
Read MoreJanuary 21, 2021
Attacks made against telcos and internet service providers (ISPs) have steadily risen. Distributed denial of service (DDoS) attackers launched an 11-day attack against a Chinese telco in 2017 — breaking the DDoS record that year. That same year, Kaspersky Lab…
Read MoreJanuary 6, 2021
In the telecom environment, using Signaling System No.7 (SS7) protocol is very crucial, especially in 2G networks. If you’re wondering how SS7 works, SS7 protocol is an international telecommunications standard used to set up public switched telephone network (PSTN) and…
Read MoreDecember 28, 2020
LogRhythm Labs has gathered up the indicators of compromise (IOCs) from CISA, Volexity, and FireEye associated with the recent SolarWinds supply chain attack and made them available in a GitHub repository for your convenience. Feel free to download and import…
Read MoreDecember 23, 2020
Thanks to Sally Vincent and Dan Kaiser from the LogRhythm Labs team for developing the process and guiding content described in this post. Threat research can be an invaluable asset to security teams when attempting to formulate a proactive stance…
Read MoreDecember 21, 2020