Hamas-Linked Cyberattacks Using Rust-Powered SysJoker Backdoor Against Israel

Researchers studying cybersecurity have uncovered SysJoker, a cross-platform backdoor implemented in Rust that is thought to have been used by a threat actor connected to Hamas to attack Israel during the current conflict in the region.

“Among the most prominent changes is the shift to Rust language, which indicates the malware code was entirely rewritten, while still maintaining similar functionalities,” Check Point reported in its analysis on Wednesday. “In addition, the threat actor moved to using OneDrive instead of Google Drive to store dynamic C2 (command-and-control server) URLs.”

In January 2022, Intezer released a public description of SysJoker, describing it as a backdoor that can access a text file hosted on Google Drive read more Hamas-Linked Cyberattacks Using Rust-Powered SysJoker Backdoor Against Israel.

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