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Chinese hackers use SparroWocky malware in govt espionage attacks

ESET reports China-linked FamousSparrow deployed a new modular backdoor, SparroWocky, in year-long espionage attacks on Latin American government organizations.

ESET researchers observed FamousSparrow using SparroWocky, a modular C++ backdoor replacing the earlier SparrowDoor tool, against government targets in Argentina, Ecuador, Guatemala, Honduras, Panama, Peru, Puerto Rico, and Venezuela. Deployed via DLL side-loading with an RC4-encrypted payload mapped in memory, it captures screenshots, acts as a TCP proxy, and hooks CreateThread so malicious threads appear as AnimateWindow. Persistence uses a ProcAuditManager Windows service or SnapCart registry key; ESET tracked at least 18 C2 addresses and published IoCs.

BleepingComputer · 2h agoThreat actor in the wild

Iranian hackers use CHOSEN BRICK Windows malware to spy on targets

Iranian state-linked hackers use CHOSEN BRICK Windows malware, spread via Telegram and WhatsApp social engineering, to spy on dissidents and journalists worldwide.

US, UK, and Dutch cyber agencies with the FBI issued a joint advisory on Iranian state-linked hackers deploying a Windows malware strain called CHOSEN BRICK against dissidents, activists, and journalists, primarily in the US, UK, and Netherlands. Attacks begin with messages on WhatsApp or Telegram impersonating trusted contacts or technical support, tricking victims into running malicious files disguised as apps such as Pictory, RunwayML, Norton Antivirus, Telegram, and KeePass. The malware persists via Registry Run keys, adds Microsoft Defender exclusions, and uses a per-victim Telegram bot for command-and-control while stealing email, Telegram and WhatsApp data, screenshots, and audio. Stolen data is exfiltrated via Telegram or cloud services like VultrObjects and StorjShare, and sometimes appears on pro-Iranian leak sites, increasing physical risk for dissidents abroad.

BleepingComputerupdated · 3h agofirst · 14h agoThreat actor in the wild 7 sources

Cisco FMC flaws exploited by ransomware gang, state-sponsored hackers

Cisco Talos confirms ransomware and state-sponsored groups exploited CVE-2026-20079 and CVE-2026-20316 in Secure Firewall Management Center, deploying Qilin ransomware and Cyclops Blink.

Cisco Talos identified three threat clusters (UAT-12197, UAT-11823, UAT-11988) exploiting CVE-2026-20079, a CVSS 10.0 authentication bypass, and CVE-2026-20316, a CVSS 5.3 static-credential flaw, in Cisco Secure Firewall Management Center. Qilin affiliates used static credentials for reconnaissance and deployed Qilin ransomware; a Sandworm-linked cluster deployed a Cyclops Blink backdoor via a malicious license.tmp file; a third cluster stole credentials through a JSP web shell. Cisco has released hotfixes and urges immediate installation, with broader patches expected next week.

BleepingComputerupdated · 3d agofirst · 6d agoExploit / PoC in the wild 8 sourcesCVE-2026-20079CVE-2026-203161