Entries by Rodolfo Saccani
New wave of EXCEL 4.0 malware campaigns abusing FORMULA macro function
VBA has been introduced in Excel 5.0. Before then Excel only had XLM macros, which are still supported today. XLM macros allow writing code by entering statements directly into cells, just like normal formulas. In fact they are called macro-formulas. In case you are curious, the reference document of the Excel 4.0 macro functions is […]
Email trojan horse: application/html entity
We just discovered a new trick that is currently being used to slip malicious html files through email security solutions and, in some cases, through antivirus engines. The trick is quite simple: declaring an email entity as “application/html” instead of “text/html”. “application/html” is an invalid type and this allows it to slip through some checks. […]
LIBRAESVA SRL
Piazza Cermenati, 11
23900 Lecco - ITALY
VAT ID: 03442930131
LIBRAESVA LIMITED
1 Poutry
London EC2R 8EJ - United Kingdom
VAT ID: 274381685
LIBRAESVA INC
2608 2nd Ave, Suite 327
Seattle, WA 98121 - United States