Lemon Duck spreads its wings: Actors target Microsoft Exchange servers, incorporate new TTPsCisco Talos·May 7, 19:50 UTC · May 7, 2021Exploit / PoCCVE-2021-26855CVE-2021-26857CVE-2021-26858+1 CVEs160
Microsoft updated MSERT to detect web shells used in attacks against Microsoft Exchange installsSecurity Affairs·Mar 8, 13:11 UTC · Mar 8, 2021Exploit / PoC in the wildCVE-2021-26855CVE-2021-26857CVE-2021-26858+1 CVEs60