Pierluigi Paganini
December 26, 2022
Cybersecurity researchers exposed new evasion techniques adopted by an advanced malware downloader called GuLoader. CrowdStrike researchers d a detailed multiple evasion techniques implemented by an advanced malware downloader called GuLoader (aka CloudEyE). GuLoader uses a polymorphic shellcode loader to avoid traditional security solutions, the experts mapped all embedded DJB2 hash values for every API used by the […]
Pierluigi Paganini
May 23, 2020
Security experts observed a spike in the use of the GuLoader since March 2020 while investigating COVID-19-themed malspam campaigns. Researchers from Vipre Labs observed a spike in the use of GuLoader in COVID-19-themed campaign since March 2020. The discovery confirms that crooks continue to use COVID-19 lures in malspam campaigns. In the campaign monitored by […]
