TR/Spam.Agent.AKO.2 - Trojan

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Statistici

Nume:	TR/Spam.Agent.AKO.2
Descoperit pe data de:	12/06/2006
Tip:	Troian
ITW:	Nu
Numar infectii raportate:	Scazut
Potential de raspandire:	Scazut
Potential de distrugere:	Scazut spre mediu
Fisier static:	Da
Marime:	157.696 Bytes
MD5:	1d017299e67bc813f3758e9ce6064a4d
Versiune VDF:	6.36.01.31
Versiune IVDF:	6.36.01.34

General Metoda de raspandire:
   • Nu are rutina proprie de raspandire

Alias:
   • Mcafee: Spam-DComServ
   • Kaspersky: Trojan.Win32.Agent.pk
   • F-Secure: Trojan.Win32.Agent.pk
   • Sophos: Troj/SpamThru-I

Initial identificat ca:
   • TR/Drop.Agent.AKO.2

Sistem de operare:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Efecte secundare:
   • Blocheaza accesul la anumite website-uri
   • Utilizeaza propriul motor de email
   • Modificari in registri
   • Posibilitatea accesului neautorizat la computer

Registrii sistemului Valoarea urmatoarei chei este stearsa din registri:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "DCOM Server"

Urmatoarele chei sunt adaugate in registrii sistemului:

– [HKLM\SOFTWARE\Classes\CLSID\
   {2C1CD3D7-86AC-4068-93BC-A02304BB2236}]
– [HKLM\SOFTWARE\Classes\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304BB2236}\
   InProcServer32]
   • @="%directorul de activare malware%\%fisier executat%.dll"
   • "ThreadingModel"="Apartment"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   SharedTaskScheduler]
   • "{2C1CD3D7-86AC-4068-93BC-A02304BB2236}"="DCOM Server 2236"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
   ShellServiceObjectDelayLoad]
   • "DCOM Server 2236"="{2C1CD3D7-86AC-4068-93BC-A02304BB2236}"

Fisiere host Fisierul

– In acest caz inregistrarile existente raman nemodificate.

– Accesul la urmatoarele domenii este blocat:
   • www.trendmicro.com; rads.mcafee.com; customer.symantec.com;
      liveupdate.symantec.com; us.mcafee.com; updates.symantec.com;
      www.nai.com; secure.nai.com; dispatch.mcafee.com; download.mcafee.com;
      www.my-etrust.com; mast.mcafee.com; ca.com; www.ca.com;
      networkassociates.com; www.networkassociates.com; avp.com;
      www.kaspersky.com; www.avp.com; downloads4.kaspersky-labs.com;
      downloads3.kaspersky-labs.com; downloads2.kaspersky-labs.com;
      downloads1.kaspersky-labs.com; www.f-secure.com; viruslist.com;
      www.viruslist.com; liveupdate.symantecliveupdate.com; www.mcafee.com;
      sophos.com; www.sophos.com; securityresponse.symantec.com;
      www.symantec.com

Fisierul hosts modificat va arata astfel:

Backdoor Deschide portul

– rundll32.exe port TCP aleator

Servere contactate:
Urmatorul:
• 208.66.195.**********:2236

Astfel se pot transmite informatii si se poate obtine control la distanta.

Posibilitati de control la distanta:
• trimitere email-uri

Alte informatii Mutex:
Creeaza urmatorii mutecsi:
• hs5p_av_mutex
• hs5pdllv42236

Detaliile fisierului Limbaj de programare:
Limbaj de programare folosit: C (compilat cu Microsoft Visual C++).

Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit urmatorul program de arhivare:
• UPX

Pentru o descriere scurta click aici.

Descriere introdusa de Adriana Popa la Wed, 08 Nov 2006 10:22 (GMT+1)
Descriere actualizata de Adriana Popa la Wed, 15 Nov 2006 12:54 (GMT+1)

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