Pierluigi Paganini June 02, 2024
FlyingYeti targets Ukraine using WinRAR exploit to deliver COOKBOX Malware

Russia-linked threat actor FlyingYeti is targeting Ukraine with a phishing campaign to deliver the PowerShell malware COOKBOX. Cloudflare researchers discovered phishing campaign conducted by a Russia-linked threat actor FlyingYeti (aka UAC-0149) targeting Ukraine. The experts published a report to describe real-time effort to disrupt and delay this threat activity.  At the beginning of Russia’s invasion of Ukraine […]

Pierluigi Paganini December 25, 2023
APT group UAC-0099 targets Ukraine exploiting a WinRAR flaw

The threat actor UAC-0099 is exploiting a flaw in the WinRAR to deliver LONEPAGE malware in attacks against Ukraine. A threat actor, tracked as UAC-0099, continues to target Ukraine. In some attacks, the APT group exploited a high-severity WinRAR flaw CVE-2023-38831 to deliver the LONEPAGE malware. UAC-0099 threat actor has targeted Ukraine since mid-2022, it was spotted […]

Pierluigi Paganini November 20, 2023
Russia-linked APT29 group exploited WinRAR 0day in attacks against embassies

Russia-linked cyberespionage group APT29 has been observed leveraging the CVE-2023-38831 vulnerability in WinRAR in recent attacks. The Ukrainian National Security and Defense Council (NDSC) reported that APT29 (aka SVR group, Cozy Bear, Nobelium, Midnight Blizzard, and The Dukes) has been exploiting the CVE-2023-38831 vulnerability in WinRAR in recent attacks. APT29 along with APT28 cyber espionage group was involved in the Democratic National Committee […]

Pierluigi Paganini November 20, 2023
DarkCasino joins the list of APT groups exploiting WinRAR zero-day

The DarkCasino APT group leveraged a recently disclosed WinRAR zero-day vulnerability tracked as CVE-2023-38831. Researchers at cybersecurity firm NSFOCUS analyzed DarkCasino attack pattern exploiting the WinRAR zero-day vulnerability tracked as CVE-2023-38831. The economically motivated APT group used specially crafted archives in phishing attacks against forum users through online trading forum posts. “DarkCasino is an APT […]

Pierluigi Paganini October 19, 2023
Multiple APT groups exploited WinRAR flaw CVE-2023-38831

Google TAG reported that both Russia and China-linked threat actors are weaponizing the a high-severity vulnerability in WinRAR. Google’s Threat Analysis Group (TAG) reported that in recent weeks multiple nation-state actors were spotted exploiting the vulnerability CVE-2023-38831 in WinRAR. The researchers reported that several cybercrime groups began exploiting the flaw in early 2023, when the […]

Pierluigi Paganini August 18, 2023
WinRAR flaw enables remote code execution of arbitrary code

A flaw impacting the file archiver utility for Windows WinRAR can allow the execution of commands on a computer by opening an archive. WinRAR is a popular file compression and archival utility for Windows operating systems. The utility is affected by a now-fixed high-severity vulnerability, tracked as CVE-2023-40477 (CVSS score 7.8), that can allow remote […]

Pierluigi Paganini May 04, 2023
Russia-linked Sandworm APT uses WinRAR in destructive attacks on Ukraine’s public sector

CERT-UA is warning of destructive cyberattacks conducted by the Russia-linked Sandworm APT group against the Ukraine public sector. Russia-linked APT group Sandworm is behind destructive cyberattacks against Ukrainian state networks, the Ukrainian Government Computer Emergency Response Team (CERT-UA) warns. The Sandworm group (aka BlackEnergy, UAC-0082, Iron Viking, Voodoo Bear, and TeleBots) has been active since 2000, it operates under the control […]

Pierluigi Paganini October 21, 2021
A flaw in WinRAR could lead to remote code execution

A vulnerability in the WinRAR is a trialware file archiver utility for Windows could be exploited by a remote attacker to hack a system. Positive Technologies researcher Igor Sak-Sakovskiy discovered a remote code execution vulnerability, tracked as CVE-2021-35052, in the popular WinRAR trialware file archiver utility for Windows. The vulnerability affects the trial version of […]

Pierluigi Paganini March 28, 2019
WinRAR CVE-2018-20250 flaw exploited in multiple campaigns

The recently patched vulnerability affecting the popular archiver utility WinRAR has been exploited to deliver new malware to targeted users. A recently patched vulnerability affecting the popular archiver utility WinRAR it becoming a commodity in the cybercrime underground, experts reported it has been exploited to deliver new malware in targeted attacks. The vulnerability, tracked as […]

Pierluigi Paganini March 15, 2019
Recently fixed WinRAR bug actively exploited in the wild

Several threat actors are still exploiting a recently patched critical vulnerability in the popular compression software WinRAR. Several threat actors are actively exploiting a critical remote code execution vulnerability recently addressed in WinRAR. The exploitation of the flaw in the wild is worrisome because the WinRAR software doesn’t have an auto-update feature, leaving millions of […]