Low Detection Linux and macOS Backdoor
In early March, MalwareHunterTeam shared a hash associated with a Linux backdoor with 0 detection in VirusTotal. It is well known that AV engines in VirusTotal do not implement the full capability ...
dmpdump
Rare Earth Material Lure Delivering Shellcode Loader
On November 21, 2025, Malware Hunter Team shared an interesting sample on X, uploaded to VirusTotal from Singapore. The ZIP file in question is named China’s Governance of Rare Earths and its Globa...
Unknown Malware Using Azure Functions as C2
On August 28, 2025, an ISO named Servicenow-BNM-Verify.iso was uploaded to VirusTotal from Malaysia with very low detections: The ISO image contains 4 files, two of them hidden. servicenow-...
SLOW#TEMPEST Cobalt Strike Loader
On July 18, 2025, an ISO image with moderate detection was updated to VirusTotal from Hong Kong. ISO SHA2: 6573136f9b804ddc637f6be3a4536ed0013da7a5592b2f3a3cd37c0c71926365 The ISO image has a s...
Likely Belarus-Nexus Threat Actor Delivers Downloader to Poland
On June 30, 2025, a file named deklaracja.chm (“declaration.chm”) was uploaded to VirusTotal from Poland. The file is a Microsoft Compiled HTML Help file, a proprietary online help format which ...
Havoc Demon Targeting Pakistan International Airlines
Back in January 2025, I reviewed a campaign delivering Havoc Demon to targets in Bangladesh, Pakistan, and China via LNK files. While hunting for new threats this month, I came across an malicious ...
Modified XWORM Distribution by Chinese-Speaking Threat Actor
While hunting for MSI installers that typically distribute Gh0stRAT and RATs that share some of the Gh0stRAT code, such as WinOS/ValleyRAT, I came across an infection chain leading to a slightly mo...
Possible APT32/Ocean Lotus Installer abusing MST Transforms
While monitoring new threats, I came across an interesting ISO image (ced7fe9c5ec508216e6dd9a59d2d5193a58bdbac5f41a38ea97dd5c7fceef7a5) uploaded to VirusTotal from Taiwan on May 20, 2025. The ISO c...
Likely Chinese Threat Actor Uses Low Detection Linux Backdoor and NHAS Reverse SSH
On April 22, 2025, MalwareHunterTeam shared a hash for a low detection Linux ELF with 2 hard-coded IP addresses: 43.159.18[.]135 and 119.42.148[.]187. Upon review of the executable (ea41b2bf1064efc...
Python Backdoor Uploaded from Taiwan
On April 18, 2025, I came across an interesting LNK file uploaded from Taiwan (f4bb263eb03240c1d779a00e1e39d3374c93d909d358691ca5386387d06be472), which I subsequently found had been initially disco...