TL;DR First and foremost, apply patches to the Exchange infrastructure. Assume compromise. It’s been reported that the attackers launched a massive compromise attack against 60,000+ Exchange Servers before patches became available, and many other attackers are actively looking for exploited…
Read MoreMarch 17, 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
What The FireEye Breach Means for Security Operations Teams On December 8, 2020, FireEye announced that they had been “attacked by a highly sophisticated threat actor” and that they “found that the attacker targeted and accessed certain Red Team assessment…
Read MoreDecember 11, 2020
Major Update to the LogRhythm MITRE ATT&CK KB Module When LogRhythm originally developed and launched the MITRE ATT&CK Knowledge Base (KB) Module, we worked under MITRE ATT&CK’s version 6. MITRE is constantly developing the ATT&CK framework, and many changes have…
Read MoreDecember 7, 2020
Over the past few weeks, we’ve been reviewing our previous cybersecurity predictions (click here for part 1 and here for part 2 if you missed it). But now, it’s time to look to the future. After a team discussion, we…
Read MoreDecember 7, 2020
